summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--.mailmap1
-rw-r--r--Documentation/arm64/silicon-errata.rst2
-rw-r--r--Documentation/conf.py12
-rw-r--r--Documentation/devicetree/bindings/cpufreq/cpufreq-qcom-hw.yaml11
-rw-r--r--Documentation/devicetree/bindings/crypto/atmel,at91sam9g46-aes.yaml2
-rw-r--r--Documentation/devicetree/bindings/crypto/atmel,at91sam9g46-sha.yaml2
-rw-r--r--Documentation/devicetree/bindings/crypto/atmel,at91sam9g46-tdes.yaml2
-rw-r--r--Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml4
-rw-r--r--Documentation/devicetree/bindings/display/msm/dsi-phy-10nm.yaml1
-rw-r--r--Documentation/devicetree/bindings/display/msm/dsi-phy-14nm.yaml1
-rw-r--r--Documentation/devicetree/bindings/display/msm/dsi-phy-28nm.yaml4
-rw-r--r--Documentation/devicetree/bindings/display/msm/qcom,qcm2290-mdss.yaml2
-rw-r--r--Documentation/devicetree/bindings/display/msm/qcom,sm6115-mdss.yaml2
-rw-r--r--Documentation/devicetree/bindings/sound/mt8186-mt6366-rt1019-rt5682s.yaml1
-rw-r--r--Documentation/devicetree/bindings/sound/qcom,lpass-tx-macro.yaml4
-rw-r--r--Documentation/devicetree/bindings/sound/qcom,lpass-wsa-macro.yaml58
-rw-r--r--Documentation/devicetree/bindings/spi/atmel,at91rm9200-spi.yaml2
-rw-r--r--Documentation/devicetree/bindings/spi/atmel,quadspi.yaml2
-rw-r--r--Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml4
-rw-r--r--Documentation/networking/rxrpc.rst4
-rw-r--r--Documentation/sphinx/load_config.py6
-rw-r--r--Documentation/virt/kvm/api.rst22
-rw-r--r--Documentation/virt/kvm/locking.rst25
-rw-r--r--MAINTAINERS15
-rw-r--r--Makefile2
-rw-r--r--arch/arm64/Kconfig18
-rw-r--r--arch/arm64/include/asm/atomic_ll_sc.h2
-rw-r--r--arch/arm64/include/asm/atomic_lse.h2
-rw-r--r--arch/arm64/include/asm/cputype.h4
-rw-r--r--arch/arm64/include/asm/esr.h9
-rw-r--r--arch/arm64/include/asm/hugetlb.h9
-rw-r--r--arch/arm64/include/asm/kvm_arm.h15
-rw-r--r--arch/arm64/include/asm/kvm_emulate.h42
-rw-r--r--arch/arm64/include/asm/pgtable.h16
-rw-r--r--arch/arm64/include/asm/uprobes.h2
-rw-r--r--arch/arm64/kernel/cpu_errata.c7
-rw-r--r--arch/arm64/kernel/efi-rt-wrapper.S1
-rw-r--r--arch/arm64/kernel/elfcore.c61
-rw-r--r--arch/arm64/kernel/fpsimd.c2
-rw-r--r--arch/arm64/kernel/ptrace.c2
-rw-r--r--arch/arm64/kernel/signal.c9
-rw-r--r--arch/arm64/kvm/hyp/include/hyp/fault.h2
-rw-r--r--arch/arm64/kvm/hyp/include/hyp/switch.h2
-rw-r--r--arch/arm64/kvm/mmu.c21
-rw-r--r--arch/arm64/kvm/sys_regs.c2
-rw-r--r--arch/arm64/kvm/vgic/vgic-v3.c2
-rw-r--r--arch/arm64/mm/hugetlbpage.c21
-rw-r--r--arch/arm64/mm/mmu.c21
-rw-r--r--arch/arm64/tools/cpucaps1
-rw-r--r--arch/ia64/kernel/elfcore.c4
-rwxr-xr-xarch/powerpc/boot/wrapper4
-rw-r--r--arch/powerpc/include/asm/imc-pmu.h2
-rw-r--r--arch/powerpc/mm/book3s64/hash_utils.c2
-rw-r--r--arch/powerpc/perf/imc-pmu.c136
-rw-r--r--arch/s390/boot/decompressor.c4
-rw-r--r--arch/s390/configs/debug_defconfig7
-rw-r--r--arch/s390/configs/defconfig6
-rw-r--r--arch/s390/configs/zfcpdump_defconfig2
-rw-r--r--arch/s390/include/asm/cpu_mf.h31
-rw-r--r--arch/s390/include/asm/debug.h6
-rw-r--r--arch/s390/include/asm/percpu.h2
-rw-r--r--arch/s390/kernel/machine_kexec_file.c5
-rw-r--r--arch/s390/kernel/perf_cpum_sf.c101
-rw-r--r--arch/s390/kernel/vmlinux.lds.S4
-rw-r--r--arch/s390/kvm/interrupt.c12
-rw-r--r--arch/sh/include/asm/pgtable-3level.h2
-rw-r--r--arch/x86/boot/bioscall.S4
-rw-r--r--arch/x86/events/intel/cstate.c21
-rw-r--r--arch/x86/events/intel/uncore.c1
-rw-r--r--arch/x86/events/msr.c3
-rw-r--r--arch/x86/include/asm/kvm_host.h1
-rw-r--r--arch/x86/kernel/cpu/resctrl/monitor.c49
-rw-r--r--arch/x86/kernel/cpu/resctrl/rdtgroup.c12
-rw-r--r--arch/x86/kvm/cpuid.c32
-rw-r--r--arch/x86/kvm/svm/nested.c12
-rw-r--r--arch/x86/kvm/xen.c90
-rw-r--r--arch/x86/mm/init.c4
-rw-r--r--arch/x86/mm/pat/memtype.c3
-rw-r--r--arch/x86/pci/mmconfig-shared.c44
-rw-r--r--arch/x86/um/elfcore.c4
-rw-r--r--arch/x86/xen/p2m.c5
-rw-r--r--arch/xtensa/include/asm/processor.h9
-rw-r--r--arch/xtensa/kernel/traps.c2
-rw-r--r--arch/xtensa/mm/fault.c4
-rw-r--r--block/blk-core.c3
-rw-r--r--drivers/acpi/glue.c14
-rw-r--r--drivers/acpi/resource.c7
-rw-r--r--drivers/acpi/scan.c7
-rw-r--r--drivers/acpi/video_detect.c4
-rw-r--r--drivers/ata/Kconfig1
-rw-r--r--drivers/block/xen-blkback/xenbus.c4
-rw-r--r--drivers/block/xen-blkfront.c3
-rw-r--r--drivers/char/tpm/xen-tpmfront.c3
-rw-r--r--drivers/cpufreq/amd-pstate.c1
-rw-r--r--drivers/cpufreq/apple-soc-cpufreq.c3
-rw-r--r--drivers/cpufreq/armada-37xx-cpufreq.c2
-rw-r--r--drivers/cpufreq/cppc_cpufreq.c11
-rw-r--r--drivers/cpufreq/cpufreq-dt-platdev.c2
-rw-r--r--drivers/cpufreq/qcom-cpufreq-hw.c22
-rw-r--r--drivers/crypto/atmel-ecc.c4
-rw-r--r--drivers/crypto/atmel-i2c.c4
-rw-r--r--drivers/crypto/atmel-i2c.h2
-rw-r--r--drivers/edac/edac_device.c17
-rw-r--r--drivers/edac/edac_module.h2
-rw-r--r--drivers/edac/highbank_mc_edac.c7
-rw-r--r--drivers/firmware/efi/efi.c9
-rw-r--r--drivers/firmware/efi/runtime-wrappers.c1
-rw-r--r--drivers/firmware/google/coreboot_table.c9
-rw-r--r--drivers/firmware/google/coreboot_table.h1
-rw-r--r--drivers/firmware/psci/psci.c3
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c2
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c51
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_device.c8
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c6
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_object.c5
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c4
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c2
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c2
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_svm.c9
-rw-r--r--drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c8
-rw-r--r--drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c1
-rw-r--r--drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c1
-rw-r--r--drivers/gpu/drm/drm_buddy.c81
-rw-r--r--drivers/gpu/drm/drm_panel_orientation_quirks.c6
-rw-r--r--drivers/gpu/drm/i915/gem/i915_gem_context.c24
-rw-r--r--drivers/gpu/drm/i915/gt/intel_gt_regs.h4
-rw-r--r--drivers/gpu/drm/i915/gt/intel_reset.c34
-rw-r--r--drivers/gpu/drm/i915/gt/intel_workarounds.c4
-rw-r--r--drivers/gpu/drm/i915/i915_vma.c2
-rw-r--r--drivers/gpu/drm/msm/adreno/a6xx_gmu.c15
-rw-r--r--drivers/gpu/drm/msm/adreno/a6xx_gpu.c7
-rw-r--r--drivers/gpu/drm/msm/adreno/a6xx_gpu.h1
-rw-r--r--drivers/gpu/drm/msm/adreno/adreno_gpu.h10
-rw-r--r--drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c3
-rw-r--r--drivers/gpu/drm/msm/dp/dp_aux.c4
-rw-r--r--drivers/gpu/drm/msm/hdmi/hdmi.c12
-rw-r--r--drivers/gpu/drm/msm/msm_drv.c2
-rw-r--r--drivers/gpu/drm/msm/msm_mdss.c6
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_fbcon.c613
-rw-r--r--drivers/gpu/drm/ttm/ttm_bo_util.c2
-rw-r--r--drivers/gpu/drm/virtio/virtgpu_ioctl.c19
-rw-r--r--drivers/gpu/drm/vmwgfx/ttm_object.c41
-rw-r--r--drivers/gpu/drm/vmwgfx/ttm_object.h14
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_bo.c38
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_drv.h18
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c176
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_resource.c33
-rw-r--r--drivers/gpu/drm/xen/xen_drm_front.c3
-rw-r--r--drivers/input/misc/xen-kbdfront.c5
-rw-r--r--drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c4
-rw-r--r--drivers/iommu/arm/arm-smmu/arm-smmu.c32
-rw-r--r--drivers/iommu/iommu.c8
-rw-r--r--drivers/iommu/iova.c4
-rw-r--r--drivers/iommu/mtk_iommu_v1.c4
-rw-r--r--drivers/mtd/parsers/scpart.c2
-rw-r--r--drivers/mtd/parsers/tplink_safeloader.c4
-rw-r--r--drivers/mtd/spi-nor/core.c1
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.c4
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c2
-rw-r--r--drivers/net/ethernet/intel/iavf/iavf_main.c2
-rw-r--r--drivers/net/ethernet/intel/ice/ice_gnss.c24
-rw-r--r--drivers/net/ethernet/intel/igc/igc_defines.h2
-rw-r--r--drivers/net/ethernet/intel/igc/igc_ptp.c10
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c14
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/af/cgx.c4
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/af/cgx.h1
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c2
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/cmd.c13
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/police.c6
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en/tc/post_meter.c1
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_vxlan.c2
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c19
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_main.c3
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_rep.c3
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_rx.c2
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_tc.c5
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c6
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/ipoib/ethtool.c16
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c38
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.h6
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib_vlan.c18
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c2
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/steering/dr_rule.c11
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c2
-rw-r--r--drivers/net/ethernet/microchip/lan966x/lan966x_ptp.c3
-rw-r--r--drivers/net/ethernet/microchip/lan966x/lan966x_vcap_impl.c3
-rw-r--r--drivers/net/ethernet/realtek/r8169_main.c5
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c26
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c5
-rw-r--r--drivers/net/ipa/data/ipa_data-v4.7.c2
-rw-r--r--drivers/net/usb/cdc_ether.c6
-rw-r--r--drivers/net/usb/r8152.c1
-rw-r--r--drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c5
-rw-r--r--drivers/net/xen-netback/xenbus.c3
-rw-r--r--drivers/net/xen-netfront.c4
-rw-r--r--drivers/nfc/pn533/usb.c44
-rw-r--r--drivers/nvme/host/apple.c2
-rw-r--r--drivers/nvme/host/ioctl.c110
-rw-r--r--drivers/nvme/host/pci.c12
-rw-r--r--drivers/pci/controller/dwc/Kconfig2
-rw-r--r--drivers/pci/xen-pcifront.c4
-rw-r--r--drivers/platform/surface/aggregator/controller.c4
-rw-r--r--drivers/platform/surface/aggregator/ssh_request_layer.c14
-rw-r--r--drivers/platform/x86/amd/pmc.c2
-rw-r--r--drivers/platform/x86/asus-nb-wmi.c15
-rw-r--r--drivers/platform/x86/asus-wmi.c7
-rw-r--r--drivers/platform/x86/asus-wmi.h1
-rw-r--r--drivers/platform/x86/dell/dell-wmi-privacy.c41
-rw-r--r--drivers/platform/x86/ideapad-laptop.c6
-rw-r--r--drivers/platform/x86/intel/int3472/clk_and_regulator.c3
-rw-r--r--drivers/platform/x86/intel/int3472/discrete.c4
-rw-r--r--drivers/platform/x86/intel/pmc/core.c1
-rw-r--r--drivers/platform/x86/simatic-ipc.c3
-rw-r--r--drivers/platform/x86/sony-laptop.c21
-rw-r--r--drivers/platform/x86/thinkpad_acpi.c23
-rw-r--r--drivers/platform/x86/touchscreen_dmi.c25
-rw-r--r--drivers/regulator/da9211-regulator.c11
-rw-r--r--drivers/regulator/qcom-rpmh-regulator.c2
-rw-r--r--drivers/scsi/hisi_sas/hisi_sas_main.c6
-rw-r--r--drivers/scsi/libsas/sas_ata.c3
-rw-r--r--drivers/scsi/mpi3mr/Makefile2
-rw-r--r--drivers/scsi/mpi3mr/mpi3mr_fw.c3
-rw-r--r--drivers/scsi/mpt3sas/mpt3sas_base.c3
-rw-r--r--drivers/scsi/scsi_debug.c2
-rw-r--r--drivers/scsi/scsi_error.c5
-rw-r--r--drivers/scsi/scsi_transport_iscsi.c50
-rw-r--r--drivers/scsi/storvsc_drv.c3
-rw-r--r--drivers/scsi/xen-scsifront.c4
-rw-r--r--drivers/spi/spi-cadence-xspi.c5
-rw-r--r--drivers/spi/spi-mt65xx.c12
-rw-r--r--drivers/spi/spi.c2
-rw-r--r--drivers/spi/spidev.c36
-rw-r--r--drivers/tty/hvc/hvc_xen.c50
-rw-r--r--drivers/ufs/core/ufshcd.c26
-rw-r--r--drivers/usb/host/xen-hcd.c4
-rw-r--r--drivers/video/fbdev/xen-fbfront.c6
-rw-r--r--drivers/xen/pvcalls-back.c3
-rw-r--r--drivers/xen/pvcalls-front.c7
-rw-r--r--drivers/xen/xen-pciback/xenbus.c4
-rw-r--r--drivers/xen/xen-scsiback.c4
-rw-r--r--fs/afs/cmservice.c6
-rw-r--r--fs/afs/rxrpc.c24
-rw-r--r--fs/binfmt_elf.c4
-rw-r--r--fs/binfmt_elf_fdpic.c4
-rw-r--r--fs/cifs/cifsencrypt.c1
-rw-r--r--fs/cifs/connect.c9
-rw-r--r--fs/cifs/dfs_cache.c1
-rw-r--r--fs/cifs/link.c1
-rw-r--r--fs/cifs/sess.c2
-rw-r--r--fs/cifs/smb1ops.c63
-rw-r--r--fs/cifs/smb2pdu.c6
-rw-r--r--fs/ksmbd/auth.c3
-rw-r--r--fs/ksmbd/connection.c7
-rw-r--r--fs/ksmbd/smb2pdu.c7
-rw-r--r--fs/ksmbd/transport_tcp.c5
-rw-r--r--fs/nfsd/filecache.c40
-rw-r--r--fs/nfsd/filecache.h5
-rw-r--r--fs/nfsd/nfs4proc.c7
-rw-r--r--fs/nfsd/nfs4state.c16
-rw-r--r--fs/nfsd/nfs4xdr.c2
-rw-r--r--fs/nfsd/nfsproc.c4
-rw-r--r--fs/nfsd/trace.h52
-rw-r--r--fs/xfs/libxfs/xfs_btree.c7
-rw-r--r--fs/xfs/xfs_extent_busy.c1
-rw-r--r--fs/xfs/xfs_icache.c10
-rw-r--r--fs/xfs/xfs_ioctl.c4
-rw-r--r--fs/xfs/xfs_iomap.c2
-rw-r--r--fs/xfs/xfs_qm.c2
-rw-r--r--fs/xfs/xfs_reflink.c2
-rw-r--r--include/acpi/acpi_bus.h3
-rw-r--r--include/linux/elfcore.h8
-rw-r--r--include/linux/mlx5/driver.h2
-rw-r--r--include/linux/mtd/spi-nor.h1
-rw-r--r--include/linux/platform_data/x86/simatic-ipc.h3
-rw-r--r--include/linux/tpm_eventlog.h4
-rw-r--r--include/net/af_rxrpc.h3
-rw-r--r--include/scsi/scsi_transport_iscsi.h9
-rw-r--r--include/trace/events/rxrpc.h160
-rw-r--r--include/uapi/linux/psci.h4
-rw-r--r--include/xen/xenbus.h2
-rw-r--r--init/Kconfig6
-rw-r--r--init/Makefile1
-rw-r--r--io_uring/fdinfo.c12
-rw-r--r--io_uring/io-wq.c7
-rw-r--r--io_uring/poll.c48
-rw-r--r--io_uring/rw.c6
-rw-r--r--kernel/kallsyms_selftest.c21
-rw-r--r--kernel/kcsan/kcsan_test.c7
-rw-r--r--kernel/sched/core.c69
-rw-r--r--kernel/time/tick-oneshot.c4
-rw-r--r--kernel/time/time.c8
-rw-r--r--kernel/time/timekeeping.c8
-rw-r--r--lib/lockref.c1
-rw-r--r--mm/memblock.c8
-rw-r--r--net/9p/trans_xen.c3
-rw-r--r--net/core/gro.c5
-rw-r--r--net/ipv6/raw.c4
-rw-r--r--net/rxrpc/Makefile1
-rw-r--r--net/rxrpc/af_rxrpc.c27
-rw-r--r--net/rxrpc/ar-internal.h212
-rw-r--r--net/rxrpc/call_accept.c57
-rw-r--r--net/rxrpc/call_event.c86
-rw-r--r--net/rxrpc/call_object.c116
-rw-r--r--net/rxrpc/call_state.c69
-rw-r--r--net/rxrpc/conn_client.c709
-rw-r--r--net/rxrpc/conn_event.c382
-rw-r--r--net/rxrpc/conn_object.c67
-rw-r--r--net/rxrpc/conn_service.c1
-rw-r--r--net/rxrpc/input.c175
-rw-r--r--net/rxrpc/insecure.c20
-rw-r--r--net/rxrpc/io_thread.c204
-rw-r--r--net/rxrpc/local_object.c35
-rw-r--r--net/rxrpc/net_ns.c17
-rw-r--r--net/rxrpc/output.c60
-rw-r--r--net/rxrpc/peer_object.c23
-rw-r--r--net/rxrpc/proc.c17
-rw-r--r--net/rxrpc/recvmsg.c256
-rw-r--r--net/rxrpc/rxkad.c356
-rw-r--r--net/rxrpc/rxperf.c17
-rw-r--r--net/rxrpc/security.c53
-rw-r--r--net/rxrpc/sendmsg.c195
-rw-r--r--net/sched/act_mpls.c8
-rw-r--r--net/sched/sch_api.c5
-rw-r--r--net/sunrpc/auth_gss/svcauth_gss.c4
-rw-r--r--net/sunrpc/svc.c6
-rw-r--r--net/sunrpc/svc_xprt.c2
-rw-r--r--net/sunrpc/svcsock.c8
-rw-r--r--net/sunrpc/xprtrdma/svc_rdma_transport.c2
-rw-r--r--net/tipc/node.c12
-rw-r--r--scripts/Makefile.vmlinux1
-rw-r--r--sound/core/control.c24
-rw-r--r--sound/core/control_led.c5
-rw-r--r--sound/pci/hda/cs35l41_hda.c20
-rw-r--r--sound/pci/hda/patch_hdmi.c1
-rw-r--r--sound/pci/hda/patch_realtek.c55
-rw-r--r--sound/soc/amd/yc/acp6x-mach.c14
-rw-r--r--sound/soc/codecs/rt9120.c12
-rw-r--r--sound/soc/codecs/wm8904.c7
-rw-r--r--sound/soc/fsl/fsl-asoc-card.c8
-rw-r--r--sound/soc/fsl/fsl_micfil.c16
-rw-r--r--sound/soc/fsl/fsl_ssi.c4
-rw-r--r--sound/soc/intel/boards/Kconfig2
-rw-r--r--sound/soc/intel/boards/sof_nau8825.c31
-rw-r--r--sound/soc/intel/common/soc-acpi-intel-adl-match.c20
-rw-r--r--sound/soc/intel/common/soc-acpi-intel-rpl-match.c50
-rw-r--r--sound/soc/mediatek/Kconfig4
-rw-r--r--sound/soc/mediatek/mt8186/mt8186-mt6366-rt1019-rt5682s.c22
-rw-r--r--sound/soc/qcom/Kconfig21
-rw-r--r--sound/soc/qcom/Makefile2
-rw-r--r--sound/soc/qcom/common.c114
-rw-r--r--sound/soc/qcom/common.h10
-rw-r--r--sound/soc/qcom/lpass-cpu.c5
-rw-r--r--sound/soc/qcom/sc8280xp.c1
-rw-r--r--sound/soc/qcom/sdw.c123
-rw-r--r--sound/soc/qcom/sdw.h18
-rw-r--r--sound/soc/qcom/sm8250.c1
-rw-r--r--sound/soc/sof/debug.c4
-rw-r--r--sound/soc/sof/pm.c9
-rw-r--r--sound/usb/implicit.c3
-rw-r--r--sound/usb/pcm.c222
-rw-r--r--sound/usb/stream.c6
-rw-r--r--sound/xen/xen_snd_front.c3
-rw-r--r--tools/include/nolibc/arch-mips.h2
-rw-r--r--tools/include/nolibc/arch-riscv.h14
-rw-r--r--tools/include/nolibc/ctype.h3
-rw-r--r--tools/include/nolibc/errno.h3
-rw-r--r--tools/include/nolibc/signal.h3
-rw-r--r--tools/include/nolibc/stdio.h3
-rw-r--r--tools/include/nolibc/stdlib.h3
-rw-r--r--tools/include/nolibc/string.h8
-rw-r--r--tools/include/nolibc/sys.h2
-rw-r--r--tools/include/nolibc/time.h3
-rw-r--r--tools/include/nolibc/types.h70
-rw-r--r--tools/include/nolibc/unistd.h3
-rw-r--r--tools/objtool/check.c9
-rw-r--r--tools/perf/Makefile.config12
-rw-r--r--tools/perf/Makefile.perf21
-rw-r--r--tools/perf/builtin-kmem.c65
-rw-r--r--tools/perf/builtin-trace.c2
-rw-r--r--tools/perf/tests/bpf-script-test-prologue.c2
-rw-r--r--tools/perf/tests/make12
-rw-r--r--tools/perf/util/auxtrace.c2
-rw-r--r--tools/perf/util/bpf_counter.h6
-rw-r--r--tools/testing/memblock/internal.h4
-rw-r--r--tools/testing/selftests/net/af_unix/test_unix_oob.c2
-rwxr-xr-xtools/testing/selftests/net/l2_tos_ttl_inherit.sh202
-rw-r--r--virt/kvm/kvm_main.c7
387 files changed, 4548 insertions, 4122 deletions
diff --git a/.mailmap b/.mailmap
index 7a882bc7f376..8deff4cec169 100644
--- a/.mailmap
+++ b/.mailmap
@@ -423,6 +423,7 @@ Tony Luck <tony.luck@intel.com>
TripleX Chung <xxx.phy@gmail.com> <triplex@zh-kernel.org>
TripleX Chung <xxx.phy@gmail.com> <zhongyu@18mail.cn>
Tsuneo Yoshioka <Tsuneo.Yoshioka@f-secure.com>
+Tudor Ambarus <tudor.ambarus@linaro.org> <tudor.ambarus@microchip.com>
Tycho Andersen <tycho@tycho.pizza> <tycho@tycho.ws>
Tzung-Bi Shih <tzungbi@kernel.org> <tzungbi@google.com>
Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de>
diff --git a/Documentation/arm64/silicon-errata.rst b/Documentation/arm64/silicon-errata.rst
index 808ade4cc008..ec5f889d7681 100644
--- a/Documentation/arm64/silicon-errata.rst
+++ b/Documentation/arm64/silicon-errata.rst
@@ -120,6 +120,8 @@ stable kernels.
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A710 | #2224489 | ARM64_ERRATUM_2224489 |
+----------------+-----------------+-----------------+-----------------------------+
+| ARM | Cortex-A715 | #2645198 | ARM64_ERRATUM_2645198 |
++----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-X2 | #2119858 | ARM64_ERRATUM_2119858 |
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-X2 | #2224489 | ARM64_ERRATUM_2224489 |
diff --git a/Documentation/conf.py b/Documentation/conf.py
index a5c45df0bd83..d927737e3c10 100644
--- a/Documentation/conf.py
+++ b/Documentation/conf.py
@@ -31,6 +31,12 @@ def have_command(cmd):
# Get Sphinx version
major, minor, patch = sphinx.version_info[:3]
+#
+# Warn about older versions that we don't want to support for much
+# longer.
+#
+if (major < 2) or (major == 2 and minor < 4):
+ print('WARNING: support for Sphinx < 2.4 will be removed soon.')
# If extensions (or modules to document with autodoc) are in another directory,
# add these directories to sys.path here. If the directory is relative to the
@@ -339,7 +345,11 @@ html_use_smartypants = False
# Custom sidebar templates, maps document names to template names.
# Note that the RTD theme ignores this
-html_sidebars = { '**': ["about.html", 'searchbox.html', 'localtoc.html', 'sourcelink.html']}
+html_sidebars = { '**': ['searchbox.html', 'localtoc.html', 'sourcelink.html']}
+
+# about.html is available for alabaster theme. Add it at the front.
+if html_theme == 'alabaster':
+ html_sidebars['**'].insert(0, 'about.html')
# Output file base name for HTML help builder.
htmlhelp_basename = 'TheLinuxKerneldoc'
diff --git a/Documentation/devicetree/bindings/cpufreq/cpufreq-qcom-hw.yaml b/Documentation/devicetree/bindings/cpufreq/cpufreq-qcom-hw.yaml
index 903b31129f01..99e159bc5fb1 100644
--- a/Documentation/devicetree/bindings/cpufreq/cpufreq-qcom-hw.yaml
+++ b/Documentation/devicetree/bindings/cpufreq/cpufreq-qcom-hw.yaml
@@ -54,6 +54,17 @@ properties:
- const: xo
- const: alternate
+ interrupts:
+ minItems: 1
+ maxItems: 3
+
+ interrupt-names:
+ minItems: 1
+ items:
+ - const: dcvsh-irq-0
+ - const: dcvsh-irq-1
+ - const: dcvsh-irq-2
+
'#freq-domain-cells':
const: 1
diff --git a/Documentation/devicetree/bindings/crypto/atmel,at91sam9g46-aes.yaml b/Documentation/devicetree/bindings/crypto/atmel,at91sam9g46-aes.yaml
index 0ccaab16dc61..0b7383b3106b 100644
--- a/Documentation/devicetree/bindings/crypto/atmel,at91sam9g46-aes.yaml
+++ b/Documentation/devicetree/bindings/crypto/atmel,at91sam9g46-aes.yaml
@@ -8,7 +8,7 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
title: Atmel Advanced Encryption Standard (AES) HW cryptographic accelerator
maintainers:
- - Tudor Ambarus <tudor.ambarus@microchip.com>
+ - Tudor Ambarus <tudor.ambarus@linaro.org>
properties:
compatible:
diff --git a/Documentation/devicetree/bindings/crypto/atmel,at91sam9g46-sha.yaml b/Documentation/devicetree/bindings/crypto/atmel,at91sam9g46-sha.yaml
index 5163c51b4547..ee2ffb034325 100644
--- a/Documentation/devicetree/bindings/crypto/atmel,at91sam9g46-sha.yaml
+++ b/Documentation/devicetree/bindings/crypto/atmel,at91sam9g46-sha.yaml
@@ -8,7 +8,7 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
title: Atmel Secure Hash Algorithm (SHA) HW cryptographic accelerator
maintainers:
- - Tudor Ambarus <tudor.ambarus@microchip.com>
+ - Tudor Ambarus <tudor.ambarus@linaro.org>
properties:
compatible:
diff --git a/Documentation/devicetree/bindings/crypto/atmel,at91sam9g46-tdes.yaml b/Documentation/devicetree/bindings/crypto/atmel,at91sam9g46-tdes.yaml
index fcc5adf03cad..3d6ed24b1b00 100644
--- a/Documentation/devicetree/bindings/crypto/atmel,at91sam9g46-tdes.yaml
+++ b/Documentation/devicetree/bindings/crypto/atmel,at91sam9g46-tdes.yaml
@@ -8,7 +8,7 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
title: Atmel Triple Data Encryption Standard (TDES) HW cryptographic accelerator
maintainers:
- - Tudor Ambarus <tudor.ambarus@microchip.com>
+ - Tudor Ambarus <tudor.ambarus@linaro.org>
properties:
compatible:
diff --git a/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml b/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml
index f2c143730a55..6e2fd6e9fa7f 100644
--- a/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml
+++ b/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml
@@ -32,7 +32,7 @@ properties:
- description: Display byte clock
- description: Display byte interface clock
- description: Display pixel clock
- - description: Display escape clock
+ - description: Display core clock
- description: Display AHB clock
- description: Display AXI clock
@@ -137,8 +137,6 @@ required:
- phys
- assigned-clocks
- assigned-clock-parents
- - power-domains
- - operating-points-v2
- ports
additionalProperties: false
diff --git a/Documentation/devicetree/bindings/display/msm/dsi-phy-10nm.yaml b/Documentation/devicetree/bindings/display/msm/dsi-phy-10nm.yaml
index d9ad8b659f58..3ec466c3ab38 100644
--- a/Documentation/devicetree/bindings/display/msm/dsi-phy-10nm.yaml
+++ b/Documentation/devicetree/bindings/display/msm/dsi-phy-10nm.yaml
@@ -69,7 +69,6 @@ required:
- compatible
- reg
- reg-names
- - vdds-supply
unevaluatedProperties: false
diff --git a/Documentation/devicetree/bindings/display/msm/dsi-phy-14nm.yaml b/Documentation/devicetree/bindings/display/msm/dsi-phy-14nm.yaml
index 819de5ce0bc9..a43e11d3b00d 100644
--- a/Documentation/devicetree/bindings/display/msm/dsi-phy-14nm.yaml
+++ b/Documentation/devicetree/bindings/display/msm/dsi-phy-14nm.yaml
@@ -39,7 +39,6 @@ required:
- compatible
- reg
- reg-names
- - vcca-supply
unevaluatedProperties: false
diff --git a/Documentation/devicetree/bindings/display/msm/dsi-phy-28nm.yaml b/Documentation/devicetree/bindings/display/msm/dsi-phy-28nm.yaml
index 3d8540a06fe2..2f1fd140c87d 100644
--- a/Documentation/devicetree/bindings/display/msm/dsi-phy-28nm.yaml
+++ b/Documentation/devicetree/bindings/display/msm/dsi-phy-28nm.yaml
@@ -34,6 +34,10 @@ properties:
vddio-supply:
description: Phandle to vdd-io regulator device node.
+ qcom,dsi-phy-regulator-ldo-mode:
+ type: boolean
+ description: Indicates if the LDO mode PHY regulator is wanted.
+
required:
- compatible
- reg
diff --git a/Documentation/devicetree/bindings/display/msm/qcom,qcm2290-mdss.yaml b/Documentation/devicetree/bindings/display/msm/qcom,qcm2290-mdss.yaml
index d6f043a4b08d..4795e13c7b59 100644
--- a/Documentation/devicetree/bindings/display/msm/qcom,qcm2290-mdss.yaml
+++ b/Documentation/devicetree/bindings/display/msm/qcom,qcm2290-mdss.yaml
@@ -72,7 +72,7 @@ examples:
#include <dt-bindings/interconnect/qcom,qcm2290.h>
#include <dt-bindings/power/qcom-rpmpd.h>
- mdss@5e00000 {
+ display-subsystem@5e00000 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "qcom,qcm2290-mdss";
diff --git a/Documentation/devicetree/bindings/display/msm/qcom,sm6115-mdss.yaml b/Documentation/devicetree/bindings/display/msm/qcom,sm6115-mdss.yaml
index a86d7f53fa84..886858ef6700 100644
--- a/Documentation/devicetree/bindings/display/msm/qcom,sm6115-mdss.yaml
+++ b/Documentation/devicetree/bindings/display/msm/qcom,sm6115-mdss.yaml
@@ -62,7 +62,7 @@ examples:
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/power/qcom-rpmpd.h>
- mdss@5e00000 {
+ display-subsystem@5e00000 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "qcom,sm6115-mdss";
diff --git a/Documentation/devicetree/bindings/sound/mt8186-mt6366-rt1019-rt5682s.yaml b/Documentation/devicetree/bindings/sound/mt8186-mt6366-rt1019-rt5682s.yaml
index 9d3139990237..aa23b0024c46 100644
--- a/Documentation/devicetree/bindings/sound/mt8186-mt6366-rt1019-rt5682s.yaml
+++ b/Documentation/devicetree/bindings/sound/mt8186-mt6366-rt1019-rt5682s.yaml
@@ -16,6 +16,7 @@ properties:
compatible:
enum:
- mediatek,mt8186-mt6366-rt1019-rt5682s-sound
+ - mediatek,mt8186-mt6366-rt5682s-max98360-sound
mediatek,platform:
$ref: "/schemas/types.yaml#/definitions/phandle"
diff --git a/Documentation/devicetree/bindings/sound/qcom,lpass-tx-macro.yaml b/Documentation/devicetree/bindings/sound/qcom,lpass-tx-macro.yaml
index 66431aade3b7..da5f70910da5 100644
--- a/Documentation/devicetree/bindings/sound/qcom,lpass-tx-macro.yaml
+++ b/Documentation/devicetree/bindings/sound/qcom,lpass-tx-macro.yaml
@@ -30,7 +30,9 @@ properties:
const: 0
clocks:
- maxItems: 5
+ oneOf:
+ - maxItems: 3
+ - maxItems: 5
clock-names:
oneOf:
diff --git a/Documentation/devicetree/bindings/sound/qcom,lpass-wsa-macro.yaml b/Documentation/devicetree/bindings/sound/qcom,lpass-wsa-macro.yaml
index 2bf8d082f8f1..66cbb1f5e31a 100644
--- a/Documentation/devicetree/bindings/sound/qcom,lpass-wsa-macro.yaml
+++ b/Documentation/devicetree/bindings/sound/qcom,lpass-wsa-macro.yaml
@@ -9,9 +9,6 @@ title: LPASS(Low Power Audio Subsystem) VA Macro audio codec
maintainers:
- Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
-allOf:
- - $ref: dai-common.yaml#
-
properties:
compatible:
enum:
@@ -30,15 +27,12 @@ properties:
const: 0
clocks:
- maxItems: 5
+ minItems: 5
+ maxItems: 6
clock-names:
- items:
- - const: mclk
- - const: npl
- - const: macro
- - const: dcodec
- - const: fsgen
+ minItems: 5
+ maxItems: 6
clock-output-names:
maxItems: 1
@@ -55,10 +49,51 @@ required:
- reg
- "#sound-dai-cells"
+allOf:
+ - $ref: dai-common.yaml#
+
+ - if:
+ properties:
+ compatible:
+ enum:
+ - qcom,sc7280-lpass-wsa-macro
+ - qcom,sm8450-lpass-wsa-macro
+ - qcom,sc8280xp-lpass-wsa-macro
+ then:
+ properties:
+ clocks:
+ maxItems: 5
+ clock-names:
+ items:
+ - const: mclk
+ - const: npl
+ - const: macro
+ - const: dcodec
+ - const: fsgen
+
+ - if:
+ properties:
+ compatible:
+ enum:
+ - qcom,sm8250-lpass-wsa-macro
+ then:
+ properties:
+ clocks:
+ minItems: 6
+ clock-names:
+ items:
+ - const: mclk
+ - const: npl
+ - const: macro
+ - const: dcodec
+ - const: va
+ - const: fsgen
+
unevaluatedProperties: false
examples:
- |
+ #include <dt-bindings/clock/qcom,sm8250-lpass-aoncc.h>
#include <dt-bindings/sound/qcom,q6afe.h>
codec@3240000 {
compatible = "qcom,sm8250-lpass-wsa-macro";
@@ -69,7 +104,8 @@ examples:
<&audiocc 0>,
<&q6afecc LPASS_HW_MACRO_VOTE LPASS_CLK_ATTRIBUTE_COUPLE_NO>,
<&q6afecc LPASS_HW_DCODEC_VOTE LPASS_CLK_ATTRIBUTE_COUPLE_NO>,
+ <&aoncc LPASS_CDC_VA_MCLK>,
<&vamacro>;
- clock-names = "mclk", "npl", "macro", "dcodec", "fsgen";
+ clock-names = "mclk", "npl", "macro", "dcodec", "va", "fsgen";
clock-output-names = "mclk";
};
diff --git a/Documentation/devicetree/bindings/spi/atmel,at91rm9200-spi.yaml b/Documentation/devicetree/bindings/spi/atmel,at91rm9200-spi.yaml
index 4dd973e341e6..6c57dd6c3a36 100644
--- a/Documentation/devicetree/bindings/spi/atmel,at91rm9200-spi.yaml
+++ b/Documentation/devicetree/bindings/spi/atmel,at91rm9200-spi.yaml
@@ -8,7 +8,7 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
title: Atmel SPI device
maintainers:
- - Tudor Ambarus <tudor.ambarus@microchip.com>
+ - Tudor Ambarus <tudor.ambarus@linaro.org>
allOf:
- $ref: spi-controller.yaml#
diff --git a/Documentation/devicetree/bindings/spi/atmel,quadspi.yaml b/Documentation/devicetree/bindings/spi/atmel,quadspi.yaml
index 1d493add4053..b0d99bc10535 100644
--- a/Documentation/devicetree/bindings/spi/atmel,quadspi.yaml
+++ b/Documentation/devicetree/bindings/spi/atmel,quadspi.yaml
@@ -7,7 +7,7 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
title: Atmel Quad Serial Peripheral Interface (QSPI)
maintainers:
- - Tudor Ambarus <tudor.ambarus@microchip.com>
+ - Tudor Ambarus <tudor.ambarus@linaro.org>
allOf:
- $ref: spi-controller.yaml#
diff --git a/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml b/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml
index ead2cccf658f..9a60c0664bbe 100644
--- a/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml
+++ b/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml
@@ -44,9 +44,9 @@ properties:
description:
Maximum SPI clocking speed of the device in Hz.
- spi-cs-setup-ns:
+ spi-cs-setup-delay-ns:
description:
- Delay in nanosecods to be introduced by the controller after CS is
+ Delay in nanoseconds to be introduced by the controller after CS is
asserted.
spi-rx-bus-width:
diff --git a/Documentation/networking/rxrpc.rst b/Documentation/networking/rxrpc.rst
index 39494a6ea739..e1af54424192 100644
--- a/Documentation/networking/rxrpc.rst
+++ b/Documentation/networking/rxrpc.rst
@@ -880,8 +880,8 @@ The kernel interface functions are as follows:
notify_end_rx can be NULL or it can be used to specify a function to be
called when the call changes state to end the Tx phase. This function is
- called with the call-state spinlock held to prevent any reply or final ACK
- from being delivered first.
+ called with a spinlock held to prevent the last DATA packet from being
+ transmitted until the function returns.
(#) Receive data from a call::
diff --git a/Documentation/sphinx/load_config.py b/Documentation/sphinx/load_config.py
index eeb394b39e2c..8b416bfd75ac 100644
--- a/Documentation/sphinx/load_config.py
+++ b/Documentation/sphinx/load_config.py
@@ -3,7 +3,7 @@
import os
import sys
-from sphinx.util.pycompat import execfile_
+from sphinx.util.osutil import fs_encoding
# ------------------------------------------------------------------------------
def loadConfig(namespace):
@@ -48,7 +48,9 @@ def loadConfig(namespace):
sys.stdout.write("load additional sphinx-config: %s\n" % config_file)
config = namespace.copy()
config['__file__'] = config_file
- execfile_(config_file, config)
+ with open(config_file, 'rb') as f:
+ code = compile(f.read(), fs_encoding, 'exec')
+ exec(code, config)
del config['__file__']
namespace.update(config)
else:
diff --git a/Documentation/virt/kvm/api.rst b/Documentation/virt/kvm/api.rst
index deb494f759ed..9807b05a1b57 100644
--- a/Documentation/virt/kvm/api.rst
+++ b/Documentation/virt/kvm/api.rst
@@ -1354,6 +1354,14 @@ the memory region are automatically reflected into the guest. For example, an
mmap() that affects the region will be made visible immediately. Another
example is madvise(MADV_DROP).
+Note: On arm64, a write generated by the page-table walker (to update
+the Access and Dirty flags, for example) never results in a
+KVM_EXIT_MMIO exit when the slot has the KVM_MEM_READONLY flag. This
+is because KVM cannot provide the data that would be written by the
+page-table walker, making it impossible to emulate the access.
+Instead, an abort (data abort if the cause of the page-table update
+was a load or a store, instruction abort if it was an instruction
+fetch) is injected in the guest.
4.36 KVM_SET_TSS_ADDR
---------------------
@@ -8310,6 +8318,20 @@ CPU[EAX=1]:ECX[24] (TSC_DEADLINE) is not reported by ``KVM_GET_SUPPORTED_CPUID``
It can be enabled if ``KVM_CAP_TSC_DEADLINE_TIMER`` is present and the kernel
has enabled in-kernel emulation of the local APIC.
+CPU topology
+~~~~~~~~~~~~
+
+Several CPUID values include topology information for the host CPU:
+0x0b and 0x1f for Intel systems, 0x8000001e for AMD systems. Different
+versions of KVM return different values for this information and userspace
+should not rely on it. Currently they return all zeroes.
+
+If userspace wishes to set up a guest topology, it should be careful that
+the values of these three leaves differ for each CPU. In particular,
+the APIC ID is found in EDX for all subleaves of 0x0b and 0x1f, and in EAX
+for 0x8000001e; the latter also encodes the core id and node id in bits
+7:0 of EBX and ECX respectively.
+
Obsolete ioctls and capabilities
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
diff --git a/Documentation/virt/kvm/locking.rst b/Documentation/virt/kvm/locking.rst
index a3ca76f9be75..a0146793d197 100644
--- a/Documentation/virt/kvm/locking.rst
+++ b/Documentation/virt/kvm/locking.rst
@@ -24,21 +24,22 @@ The acquisition orders for mutexes are as follows:
For SRCU:
-- ``synchronize_srcu(&kvm->srcu)`` is called _inside_
- the kvm->slots_lock critical section, therefore kvm->slots_lock
- cannot be taken inside a kvm->srcu read-side critical section.
- Instead, kvm->slots_arch_lock is released before the call
- to ``synchronize_srcu()`` and _can_ be taken inside a
- kvm->srcu read-side critical section.
-
-- kvm->lock is taken inside kvm->srcu, therefore
- ``synchronize_srcu(&kvm->srcu)`` cannot be called inside
- a kvm->lock critical section. If you cannot delay the
- call until after kvm->lock is released, use ``call_srcu``.
+- ``synchronize_srcu(&kvm->srcu)`` is called inside critical sections
+ for kvm->lock, vcpu->mutex and kvm->slots_lock. These locks _cannot_
+ be taken inside a kvm->srcu read-side critical section; that is, the
+ following is broken::
+
+ srcu_read_lock(&kvm->srcu);
+ mutex_lock(&kvm->slots_lock);
+
+- kvm->slots_arch_lock instead is released before the call to
+ ``synchronize_srcu()``. It _can_ therefore be taken inside a
+ kvm->srcu read-side critical section, for example while processing
+ a vmexit.
On x86:
-- vcpu->mutex is taken outside kvm->arch.hyperv.hv_lock
+- vcpu->mutex is taken outside kvm->arch.hyperv.hv_lock and kvm->arch.xen.xen_lock
- kvm->arch.mmu_lock is an rwlock. kvm->arch.tdp_mmu_pages_lock and
kvm->arch.mmu_unsync_pages_lock are taken inside kvm->arch.mmu_lock, and
diff --git a/MAINTAINERS b/MAINTAINERS
index 320dc090d57c..123216b76534 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -11356,9 +11356,9 @@ F: virt/kvm/*
KERNEL VIRTUAL MACHINE FOR ARM64 (KVM/arm64)
M: Marc Zyngier <maz@kernel.org>
R: James Morse <james.morse@arm.com>
-R: Alexandru Elisei <alexandru.elisei@arm.com>
R: Suzuki K Poulose <suzuki.poulose@arm.com>
R: Oliver Upton <oliver.upton@linux.dev>
+R: Zenghui Yu <yuzenghui@huawei.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
L: kvmarm@lists.linux.dev
L: kvmarm@lists.cs.columbia.edu (deprecated, moderated for non-subscribers)
@@ -13620,7 +13620,7 @@ F: arch/microblaze/
MICROCHIP AT91 DMA DRIVERS
M: Ludovic Desroches <ludovic.desroches@microchip.com>
-M: Tudor Ambarus <tudor.ambarus@microchip.com>
+M: Tudor Ambarus <tudor.ambarus@linaro.org>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
L: dmaengine@vger.kernel.org
S: Supported
@@ -13665,7 +13665,7 @@ F: Documentation/devicetree/bindings/media/microchip,csi2dc.yaml
F: drivers/media/platform/microchip/microchip-csi2dc.c
MICROCHIP ECC DRIVER
-M: Tudor Ambarus <tudor.ambarus@microchip.com>
+M: Tudor Ambarus <tudor.ambarus@linaro.org>
L: linux-crypto@vger.kernel.org
S: Maintained
F: drivers/crypto/atmel-ecc.*
@@ -13762,7 +13762,7 @@ S: Maintained
F: drivers/mmc/host/atmel-mci.c
MICROCHIP NAND DRIVER
-M: Tudor Ambarus <tudor.ambarus@microchip.com>
+M: Tudor Ambarus <tudor.ambarus@linaro.org>
L: linux-mtd@lists.infradead.org
S: Supported
F: Documentation/devicetree/bindings/mtd/atmel-nand.txt
@@ -13814,7 +13814,7 @@ S: Supported
F: drivers/power/reset/at91-sama5d2_shdwc.c
MICROCHIP SPI DRIVER
-M: Tudor Ambarus <tudor.ambarus@microchip.com>
+M: Tudor Ambarus <tudor.ambarus@linaro.org>
S: Supported
F: drivers/spi/spi-atmel.*
@@ -14919,7 +14919,8 @@ T: git://git.infradead.org/nvme.git
F: Documentation/nvme/
F: drivers/nvme/host/
F: drivers/nvme/common/
-F: include/linux/nvme*
+F: include/linux/nvme.h
+F: include/linux/nvme-*.h
F: include/uapi/linux/nvme_ioctl.h
NVM EXPRESS FABRICS AUTHENTICATION
@@ -19672,7 +19673,7 @@ F: drivers/clk/spear/
F: drivers/pinctrl/spear/
SPI NOR SUBSYSTEM
-M: Tudor Ambarus <tudor.ambarus@microchip.com>
+M: Tudor Ambarus <tudor.ambarus@linaro.org>
M: Pratyush Yadav <pratyush@kernel.org>
R: Michael Walle <michael@walle.cc>
L: linux-mtd@lists.infradead.org
diff --git a/Makefile b/Makefile
index 460716314fb3..e09fe100efb2 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@
VERSION = 6
PATCHLEVEL = 2
SUBLEVEL = 0
-EXTRAVERSION = -rc3
+EXTRAVERSION = -rc4
NAME = Hurr durr I'ma ninja sloth
# *DOCUMENTATION*
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 03934808b2ed..c5ccca26a408 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -184,8 +184,6 @@ config ARM64
select HAVE_DEBUG_KMEMLEAK
select HAVE_DMA_CONTIGUOUS
select HAVE_DYNAMIC_FTRACE
- select HAVE_DYNAMIC_FTRACE_WITH_ARGS \
- if $(cc-option,-fpatchable-function-entry=2)
select FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY \
if DYNAMIC_FTRACE_WITH_ARGS
select HAVE_EFFICIENT_UNALIGNED_ACCESS
@@ -972,6 +970,22 @@ config ARM64_ERRATUM_2457168
If unsure, say Y.
+config ARM64_ERRATUM_2645198
+ bool "Cortex-A715: 2645198: Workaround possible [ESR|FAR]_ELx corruption"
+ default y
+ help
+ This option adds the workaround for ARM Cortex-A715 erratum 2645198.
+
+ If a Cortex-A715 cpu sees a page mapping permissions change from executable
+ to non-executable, it may corrupt the ESR_ELx and FAR_ELx registers on the
+ next instruction abort caused by permission fault.
+
+ Only user-space does executable to non-executable permission transition via
+ mprotect() system call. Workaround the problem by doing a break-before-make
+ TLB invalidation, for all changes to executable user space mappings.
+
+ If unsure, say Y.
+
config CAVIUM_ERRATUM_22375
bool "Cavium erratum 22375, 24313"
default y
diff --git a/arch/arm64/include/asm/atomic_ll_sc.h b/arch/arm64/include/asm/atomic_ll_sc.h
index 0890e4f568fb..cbb3d961123b 100644
--- a/arch/arm64/include/asm/atomic_ll_sc.h
+++ b/arch/arm64/include/asm/atomic_ll_sc.h
@@ -315,7 +315,7 @@ __ll_sc__cmpxchg_double##name(unsigned long old1, \
" cbnz %w0, 1b\n" \
" " #mb "\n" \
"2:" \
- : "=&r" (tmp), "=&r" (ret), "+Q" (*(unsigned long *)ptr) \
+ : "=&r" (tmp), "=&r" (ret), "+Q" (*(__uint128_t *)ptr) \
: "r" (old1), "r" (old2), "r" (new1), "r" (new2) \
: cl); \
\
diff --git a/arch/arm64/include/asm/atomic_lse.h b/arch/arm64/include/asm/atomic_lse.h
index 52075e93de6c..a94d6dacc029 100644
--- a/arch/arm64/include/asm/atomic_lse.h
+++ b/arch/arm64/include/asm/atomic_lse.h
@@ -311,7 +311,7 @@ __lse__cmpxchg_double##name(unsigned long old1, \
" eor %[old2], %[old2], %[oldval2]\n" \
" orr %[old1], %[old1], %[old2]" \
: [old1] "+&r" (x0), [old2] "+&r" (x1), \
- [v] "+Q" (*(unsigned long *)ptr) \
+ [v] "+Q" (*(__uint128_t *)ptr) \
: [new1] "r" (x2), [new2] "r" (x3), [ptr] "r" (x4), \
[oldval1] "r" (oldval1), [oldval2] "r" (oldval2) \
: cl); \
diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h
index 4e8b66c74ea2..683ca3af4084 100644
--- a/arch/arm64/include/asm/cputype.h
+++ b/arch/arm64/include/asm/cputype.h
@@ -124,6 +124,8 @@
#define APPLE_CPU_PART_M1_FIRESTORM_PRO 0x025
#define APPLE_CPU_PART_M1_ICESTORM_MAX 0x028
#define APPLE_CPU_PART_M1_FIRESTORM_MAX 0x029
+#define APPLE_CPU_PART_M2_BLIZZARD 0x032
+#define APPLE_CPU_PART_M2_AVALANCHE 0x033
#define AMPERE_CPU_PART_AMPERE1 0xAC3
@@ -177,6 +179,8 @@
#define MIDR_APPLE_M1_FIRESTORM_PRO MIDR_CPU_MODEL(ARM_CPU_IMP_APPLE, APPLE_CPU_PART_M1_FIRESTORM_PRO)
#define MIDR_APPLE_M1_ICESTORM_MAX MIDR_CPU_MODEL(ARM_CPU_IMP_APPLE, APPLE_CPU_PART_M1_ICESTORM_MAX)
#define MIDR_APPLE_M1_FIRESTORM_MAX MIDR_CPU_MODEL(ARM_CPU_IMP_APPLE, APPLE_CPU_PART_M1_FIRESTORM_MAX)
+#define MIDR_APPLE_M2_BLIZZARD MIDR_CPU_MODEL(ARM_CPU_IMP_APPLE, APPLE_CPU_PART_M2_BLIZZARD)
+#define MIDR_APPLE_M2_AVALANCHE MIDR_CPU_MODEL(ARM_CPU_IMP_APPLE, APPLE_CPU_PART_M2_AVALANCHE)
#define MIDR_AMPERE1 MIDR_CPU_MODEL(ARM_CPU_IMP_AMPERE, AMPERE_CPU_PART_AMPERE1)
/* Fujitsu Erratum 010001 affects A64FX 1.0 and 1.1, (v0r0 and v1r0) */
diff --git a/arch/arm64/include/asm/esr.h b/arch/arm64/include/asm/esr.h
index 15b34fbfca66..206de10524e3 100644
--- a/arch/arm64/include/asm/esr.h
+++ b/arch/arm64/include/asm/esr.h
@@ -114,6 +114,15 @@
#define ESR_ELx_FSC_ACCESS (0x08)
#define ESR_ELx_FSC_FAULT (0x04)
#define ESR_ELx_FSC_PERM (0x0C)
+#define ESR_ELx_FSC_SEA_TTW0 (0x14)
+#define ESR_ELx_FSC_SEA_TTW1 (0x15)
+#define ESR_ELx_FSC_SEA_TTW2 (0x16)
+#define ESR_ELx_FSC_SEA_TTW3 (0x17)
+#define ESR_ELx_FSC_SECC (0x18)
+#define ESR_ELx_FSC_SECC_TTW0 (0x1c)
+#define ESR_ELx_FSC_SECC_TTW1 (0x1d)
+#define ESR_ELx_FSC_SECC_TTW2 (0x1e)
+#define ESR_ELx_FSC_SECC_TTW3 (0x1f)
/* ISS field definitions for Data Aborts */
#define ESR_ELx_ISV_SHIFT (24)
diff --git a/arch/arm64/include/asm/hugetlb.h b/arch/arm64/include/asm/hugetlb.h
index d20f5da2d76f..6a4a1ab8eb23 100644
--- a/arch/arm64/include/asm/hugetlb.h
+++ b/arch/arm64/include/asm/hugetlb.h
@@ -49,6 +49,15 @@ extern pte_t huge_ptep_get(pte_t *ptep);
void __init arm64_hugetlb_cma_reserve(void);
+#define huge_ptep_modify_prot_start huge_ptep_modify_prot_start
+extern pte_t huge_ptep_modify_prot_start(struct vm_area_struct *vma,
+ unsigned long addr, pte_t *ptep);
+
+#define huge_ptep_modify_prot_commit huge_ptep_modify_prot_commit
+extern void huge_ptep_modify_prot_commit(struct vm_area_struct *vma,
+ unsigned long addr, pte_t *ptep,
+ pte_t old_pte, pte_t new_pte);
+
#include <asm-generic/hugetlb.h>
#endif /* __ASM_HUGETLB_H */
diff --git a/arch/arm64/include/asm/kvm_arm.h b/arch/arm64/include/asm/kvm_arm.h
index 0df3fc3a0173..26b0c97df986 100644
--- a/arch/arm64/include/asm/kvm_arm.h
+++ b/arch/arm64/include/asm/kvm_arm.h
@@ -319,21 +319,6 @@
BIT(18) | \
GENMASK(16, 15))
-/* For compatibility with fault code shared with 32-bit */
-#define FSC_FAULT ESR_ELx_FSC_FAULT
-#define FSC_ACCESS ESR_ELx_FSC_ACCESS
-#define FSC_PERM ESR_ELx_FSC_PERM
-#define FSC_SEA ESR_ELx_FSC_EXTABT
-#define FSC_SEA_TTW0 (0x14)
-#define FSC_SEA_TTW1 (0x15)
-#define FSC_SEA_TTW2 (0x16)
-#define FSC_SEA_TTW3 (0x17)
-#define FSC_SECC (0x18)
-#define FSC_SECC_TTW0 (0x1c)
-#define FSC_SECC_TTW1 (0x1d)
-#define FSC_SECC_TTW2 (0x1e)
-#define FSC_SECC_TTW3 (0x1f)
-
/* Hyp Prefetch Fault Address Register (HPFAR/HDFAR) */
#define HPFAR_MASK (~UL(0xf))
/*
diff --git a/arch/arm64/include/asm/kvm_emulate.h b/arch/arm64/include/asm/kvm_emulate.h
index 9bdba47f7e14..193583df2d9c 100644
--- a/arch/arm64/include/asm/kvm_emulate.h
+++ b/arch/arm64/include/asm/kvm_emulate.h
@@ -349,16 +349,16 @@ static __always_inline u8 kvm_vcpu_trap_get_fault_level(const struct kvm_vcpu *v
static __always_inline bool kvm_vcpu_abt_issea(const struct kvm_vcpu *vcpu)
{
switch (kvm_vcpu_trap_get_fault(vcpu)) {
- case FSC_SEA:
- case FSC_SEA_TTW0:
- case FSC_SEA_TTW1:
- case FSC_SEA_TTW2:
- case FSC_SEA_TTW3:
- case FSC_SECC:
- case FSC_SECC_TTW0:
- case FSC_SECC_TTW1:
- case FSC_SECC_TTW2:
- case FSC_SECC_TTW3:
+ case ESR_ELx_FSC_EXTABT:
+ case ESR_ELx_FSC_SEA_TTW0:
+ case ESR_ELx_FSC_SEA_TTW1:
+ case ESR_ELx_FSC_SEA_TTW2:
+ case ESR_ELx_FSC_SEA_TTW3:
+ case ESR_ELx_FSC_SECC:
+ case ESR_ELx_FSC_SECC_TTW0:
+ case ESR_ELx_FSC_SECC_TTW1:
+ case ESR_ELx_FSC_SECC_TTW2:
+ case ESR_ELx_FSC_SECC_TTW3:
return true;
default:
return false;
@@ -373,8 +373,26 @@ static __always_inline int kvm_vcpu_sys_get_rt(struct kvm_vcpu *vcpu)
static inline bool kvm_is_write_fault(struct kvm_vcpu *vcpu)
{
- if (kvm_vcpu_abt_iss1tw(vcpu))
- return true;
+ if (kvm_vcpu_abt_iss1tw(vcpu)) {
+ /*
+ * Only a permission fault on a S1PTW should be
+ * considered as a write. Otherwise, page tables baked
+ * in a read-only memslot will result in an exception
+ * being delivered in the guest.
+ *
+ * The drawback is that we end-up faulting twice if the
+ * guest is using any of HW AF/DB: a translation fault
+ * to map the page containing the PT (read only at
+ * first), then a permission fault to allow the flags
+ * to be set.
+ */
+ switch (kvm_vcpu_trap_get_fault_type(vcpu)) {
+ case ESR_ELx_FSC_PERM:
+ return true;
+ default:
+ return false;
+ }
+ }
if (kvm_vcpu_trap_is_iabt(vcpu))
return false;
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index b4bbeed80fb6..65e78999c75d 100644
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -681,7 +681,7 @@ static inline unsigned long pmd_page_vaddr(pmd_t pmd)
#define pud_leaf(pud) (pud_present(pud) && !pud_table(pud))
#define pud_valid(pud) pte_valid(pud_pte(pud))
#define pud_user(pud) pte_user(pud_pte(pud))
-
+#define pud_user_exec(pud) pte_user_exec(pud_pte(pud))
static inline void set_pud(pud_t *pudp, pud_t pud)
{
@@ -730,6 +730,7 @@ static inline pmd_t *pud_pgtable(pud_t pud)
#else
#define pud_page_paddr(pud) ({ BUILD_BUG(); 0; })
+#define pud_user_exec(pud) pud_user(pud) /* Always 0 with folding */
/* Match pmd_offset folding in <asm/generic/pgtable-nopmd.h> */
#define pmd_set_fixmap(addr) NULL
@@ -862,12 +863,12 @@ static inline bool pte_user_accessible_page(pte_t pte)
static inline bool pmd_user_accessible_page(pmd_t pmd)
{
- return pmd_leaf(pmd) && (pmd_user(pmd) || pmd_user_exec(pmd));
+ return pmd_leaf(pmd) && !pmd_present_invalid(pmd) && (pmd_user(pmd) || pmd_user_exec(pmd));
}
static inline bool pud_user_accessible_page(pud_t pud)
{
- return pud_leaf(pud) && pud_user(pud);
+ return pud_leaf(pud) && (pud_user(pud) || pud_user_exec(pud));
}
#endif
@@ -1093,6 +1094,15 @@ static inline bool pud_sect_supported(void)
}
+#define __HAVE_ARCH_PTEP_MODIFY_PROT_TRANSACTION
+#define ptep_modify_prot_start ptep_modify_prot_start
+extern pte_t ptep_modify_prot_start(struct vm_area_struct *vma,
+ unsigned long addr, pte_t *ptep);
+
+#define ptep_modify_prot_commit ptep_modify_prot_commit
+extern void ptep_modify_prot_commit(struct vm_area_struct *vma,
+ unsigned long addr, pte_t *ptep,
+ pte_t old_pte, pte_t new_pte);
#endif /* !__ASSEMBLY__ */
#endif /* __ASM_PGTABLE_H */
diff --git a/arch/arm64/include/asm/uprobes.h b/arch/arm64/include/asm/uprobes.h
index ba4bff5ca674..2b09495499c6 100644
--- a/arch/arm64/include/asm/uprobes.h
+++ b/arch/arm64/include/asm/uprobes.h
@@ -16,7 +16,7 @@
#define UPROBE_SWBP_INSN_SIZE AARCH64_INSN_SIZE
#define UPROBE_XOL_SLOT_BYTES MAX_UINSN_BYTES
-typedef u32 uprobe_opcode_t;
+typedef __le32 uprobe_opcode_t;
struct arch_uprobe_task {
};
diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c
index 89ac00084f38..307faa2b4395 100644
--- a/arch/arm64/kernel/cpu_errata.c
+++ b/arch/arm64/kernel/cpu_errata.c
@@ -661,6 +661,13 @@ const struct arm64_cpu_capabilities arm64_errata[] = {
CAP_MIDR_RANGE_LIST(trbe_write_out_of_range_cpus),
},
#endif
+#ifdef CONFIG_ARM64_ERRATUM_2645198
+ {
+ .desc = "ARM erratum 2645198",
+ .capability = ARM64_WORKAROUND_2645198,
+ ERRATA_MIDR_ALL_VERSIONS(MIDR_CORTEX_A715)
+ },
+#endif
#ifdef CONFIG_ARM64_ERRATUM_2077057
{
.desc = "ARM erratum 2077057",
diff --git a/arch/arm64/kernel/efi-rt-wrapper.S b/arch/arm64/kernel/efi-rt-wrapper.S
index a00886410537..d872d18101d8 100644
--- a/arch/arm64/kernel/efi-rt-wrapper.S
+++ b/arch/arm64/kernel/efi-rt-wrapper.S
@@ -4,6 +4,7 @@
*/
#include <linux/linkage.h>
+#include <asm/assembler.h>
SYM_FUNC_START(__efi_rt_asm_wrapper)
stp x29, x30, [sp, #-112]!
diff --git a/arch/arm64/kernel/elfcore.c b/arch/arm64/kernel/elfcore.c
index 353009d7f307..2e94d20c4ac7 100644
--- a/arch/arm64/kernel/elfcore.c
+++ b/arch/arm64/kernel/elfcore.c
@@ -8,28 +8,27 @@
#include <asm/cpufeature.h>
#include <asm/mte.h>
-#define for_each_mte_vma(vmi, vma) \
+#define for_each_mte_vma(cprm, i, m) \
if (system_supports_mte()) \
- for_each_vma(vmi, vma) \
- if (vma->vm_flags & VM_MTE)
+ for (i = 0, m = cprm->vma_meta; \
+ i < cprm->vma_count; \
+ i++, m = cprm->vma_meta + i) \
+ if (m->flags & VM_MTE)
-static unsigned long mte_vma_tag_dump_size(struct vm_area_struct *vma)
+static unsigned long mte_vma_tag_dump_size(struct core_vma_metadata *m)
{
- if (vma->vm_flags & VM_DONTDUMP)
- return 0;
-
- return vma_pages(vma) * MTE_PAGE_TAG_STORAGE;
+ return (m->dump_size >> PAGE_SHIFT) * MTE_PAGE_TAG_STORAGE;
}
/* Derived from dump_user_range(); start/end must be page-aligned */
static int mte_dump_tag_range(struct coredump_params *cprm,
- unsigned long start, unsigned long end)
+ unsigned long start, unsigned long len)
{
int ret = 1;
unsigned long addr;
void *tags = NULL;
- for (addr = start; addr < end; addr += PAGE_SIZE) {
+ for (addr = start; addr < start + len; addr += PAGE_SIZE) {
struct page *page = get_dump_page(addr);
/*
@@ -65,7 +64,6 @@ static int mte_dump_tag_range(struct coredump_params *cprm,
mte_save_page_tags(page_address(page), tags);
put_page(page);
if (!dump_emit(cprm, tags, MTE_PAGE_TAG_STORAGE)) {
- mte_free_tag_storage(tags);
ret = 0;
break;
}
@@ -77,13 +75,13 @@ static int mte_dump_tag_range(struct coredump_params *cprm,
return ret;
}
-Elf_Half elf_core_extra_phdrs(void)
+Elf_Half elf_core_extra_phdrs(struct coredump_params *cprm)
{
- struct vm_area_struct *vma;
+ int i;
+ struct core_vma_metadata *m;
int vma_count = 0;
- VMA_ITERATOR(vmi, current->mm, 0);
- for_each_mte_vma(vmi, vma)
+ for_each_mte_vma(cprm, i, m)
vma_count++;
return vma_count;
@@ -91,18 +89,18 @@ Elf_Half elf_core_extra_phdrs(void)
int elf_core_write_extra_phdrs(struct coredump_params *cprm, loff_t offset)
{
- struct vm_area_struct *vma;
- VMA_ITERATOR(vmi, current->mm, 0);
+ int i;
+ struct core_vma_metadata *m;
- for_each_mte_vma(vmi, vma) {
+ for_each_mte_vma(cprm, i, m) {
struct elf_phdr phdr;
phdr.p_type = PT_AARCH64_MEMTAG_MTE;
phdr.p_offset = offset;
- phdr.p_vaddr = vma->vm_start;
+ phdr.p_vaddr = m->start;
phdr.p_paddr = 0;
- phdr.p_filesz = mte_vma_tag_dump_size(vma);
- phdr.p_memsz = vma->vm_end - vma->vm_start;
+ phdr.p_filesz = mte_vma_tag_dump_size(m);
+ phdr.p_memsz = m->end - m->start;
offset += phdr.p_filesz;
phdr.p_flags = 0;
phdr.p_align = 0;
@@ -114,28 +112,25 @@ int elf_core_write_extra_phdrs(struct coredump_params *cprm, loff_t offset)
return 1;
}
-size_t elf_core_extra_data_size(void)
+size_t elf_core_extra_data_size(struct coredump_params *cprm)
{
- struct vm_area_struct *vma;
+ int i;
+ struct core_vma_metadata *m;
size_t data_size = 0;
- VMA_ITERATOR(vmi, current->mm, 0);
- for_each_mte_vma(vmi, vma)
- data_size += mte_vma_tag_dump_size(vma);
+ for_each_mte_vma(cprm, i, m)
+ data_size += mte_vma_tag_dump_size(m);
return data_size;
}
int elf_core_write_extra_data(struct coredump_params *cprm)
{
- struct vm_area_struct *vma;
- VMA_ITERATOR(vmi, current->mm, 0);
-
- for_each_mte_vma(vmi, vma) {
- if (vma->vm_flags & VM_DONTDUMP)
- continue;
+ int i;
+ struct core_vma_metadata *m;
- if (!mte_dump_tag_range(cprm, vma->vm_start, vma->vm_end))
+ for_each_mte_vma(cprm, i, m) {
+ if (!mte_dump_tag_range(cprm, m->start, m->dump_size))
return 0;
}
diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c
index dcc81e7200d4..b6ef1af0122e 100644
--- a/arch/arm64/kernel/fpsimd.c
+++ b/arch/arm64/kernel/fpsimd.c
@@ -385,7 +385,7 @@ static void task_fpsimd_load(void)
WARN_ON(!system_supports_fpsimd());
WARN_ON(!have_cpu_fpsimd_context());
- if (system_supports_sve()) {
+ if (system_supports_sve() || system_supports_sme()) {
switch (current->thread.fp_type) {
case FP_STATE_FPSIMD:
/* Stop tracking SVE for this task until next use. */
diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c
index 2686ab157601..0c321ad23cd3 100644
--- a/arch/arm64/kernel/ptrace.c
+++ b/arch/arm64/kernel/ptrace.c
@@ -1357,7 +1357,7 @@ enum aarch64_regset {
#ifdef CONFIG_ARM64_SVE
REGSET_SVE,
#endif
-#ifdef CONFIG_ARM64_SVE
+#ifdef CONFIG_ARM64_SME
REGSET_SSVE,
REGSET_ZA,
#endif
diff --git a/arch/arm64/kernel/signal.c b/arch/arm64/kernel/signal.c
index e0d09bf5b01b..be279fd48248 100644
--- a/arch/arm64/kernel/signal.c
+++ b/arch/arm64/kernel/signal.c
@@ -281,7 +281,12 @@ static int restore_sve_fpsimd_context(struct user_ctxs *user)
vl = task_get_sme_vl(current);
} else {
- if (!system_supports_sve())
+ /*
+ * A SME only system use SVE for streaming mode so can
+ * have a SVE formatted context with a zero VL and no
+ * payload data.
+ */
+ if (!system_supports_sve() && !system_supports_sme())
return -EINVAL;
vl = task_get_sve_vl(current);
@@ -732,7 +737,7 @@ static int setup_sigframe_layout(struct rt_sigframe_user_layout *user,
return err;
}
- if (system_supports_sve()) {
+ if (system_supports_sve() || system_supports_sme()) {
unsigned int vq = 0;
if (add_all || test_thread_flag(TIF_SVE) ||
diff --git a/arch/arm64/kvm/hyp/include/hyp/fault.h b/arch/arm64/kvm/hyp/include/hyp/fault.h
index 1b8a2dcd712f..9ddcfe2c3e57 100644
--- a/arch/arm64/kvm/hyp/include/hyp/fault.h
+++ b/arch/arm64/kvm/hyp/include/hyp/fault.h
@@ -60,7 +60,7 @@ static inline bool __get_fault_info(u64 esr, struct kvm_vcpu_fault_info *fault)
*/
if (!(esr & ESR_ELx_S1PTW) &&
(cpus_have_final_cap(ARM64_WORKAROUND_834220) ||
- (esr & ESR_ELx_FSC_TYPE) == FSC_PERM)) {
+ (esr & ESR_ELx_FSC_TYPE) == ESR_ELx_FSC_PERM)) {
if (!__translate_far_to_hpfar(far, &hpfar))
return false;
} else {
diff --git a/arch/arm64/kvm/hyp/include/hyp/switch.h b/arch/arm64/kvm/hyp/include/hyp/switch.h
index 3330d1b76bdd..07d37ff88a3f 100644
--- a/arch/arm64/kvm/hyp/include/hyp/switch.h
+++ b/arch/arm64/kvm/hyp/include/hyp/switch.h
@@ -367,7 +367,7 @@ static bool kvm_hyp_handle_dabt_low(struct kvm_vcpu *vcpu, u64 *exit_code)
if (static_branch_unlikely(&vgic_v2_cpuif_trap)) {
bool valid;
- valid = kvm_vcpu_trap_get_fault_type(vcpu) == FSC_FAULT &&
+ valid = kvm_vcpu_trap_get_fault_type(vcpu) == ESR_ELx_FSC_FAULT &&
kvm_vcpu_dabt_isvalid(vcpu) &&
!kvm_vcpu_abt_issea(vcpu) &&
!kvm_vcpu_abt_iss1tw(vcpu);
diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c
index 31d7fa4c7c14..a3ee3b605c9b 100644
--- a/arch/arm64/kvm/mmu.c
+++ b/arch/arm64/kvm/mmu.c
@@ -1212,7 +1212,7 @@ static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa,
exec_fault = kvm_vcpu_trap_is_exec_fault(vcpu);
VM_BUG_ON(write_fault && exec_fault);
- if (fault_status == FSC_PERM && !write_fault && !exec_fault) {
+ if (fault_status == ESR_ELx_FSC_PERM && !write_fault && !exec_fault) {
kvm_err("Unexpected L2 read permission error\n");
return -EFAULT;
}
@@ -1277,7 +1277,8 @@ static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa,
* only exception to this is when dirty logging is enabled at runtime
* and a write fault needs to collapse a block entry into a table.
*/
- if (fault_status != FSC_PERM || (logging_active && write_fault)) {
+ if (fault_status != ESR_ELx_FSC_PERM ||
+ (logging_active && write_fault)) {
ret = kvm_mmu_topup_memory_cache(memcache,
kvm_mmu_cache_min_pages(kvm));
if (ret)
@@ -1342,7 +1343,8 @@ static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa,
* backed by a THP and thus use block mapping if possible.
*/
if (vma_pagesize == PAGE_SIZE && !(force_pte || device)) {
- if (fault_status == FSC_PERM && fault_granule > PAGE_SIZE)
+ if (fault_status == ESR_ELx_FSC_PERM &&
+ fault_granule > PAGE_SIZE)
vma_pagesize = fault_granule;
else
vma_pagesize = transparent_hugepage_adjust(kvm, memslot,
@@ -1350,7 +1352,7 @@ static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa,
&fault_ipa);
}
- if (fault_status != FSC_PERM && !device && kvm_has_mte(kvm)) {
+ if (fault_status != ESR_ELx_FSC_PERM && !device && kvm_has_mte(kvm)) {
/* Check the VMM hasn't introduced a new disallowed VMA */
if (kvm_vma_mte_allowed(vma)) {
sanitise_mte_tags(kvm, pfn, vma_pagesize);
@@ -1376,7 +1378,7 @@ static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa,
* permissions only if vma_pagesize equals fault_granule. Otherwise,
* kvm_pgtable_stage2_map() should be called to change block size.
*/
- if (fault_status == FSC_PERM && vma_pagesize == fault_granule)
+ if (fault_status == ESR_ELx_FSC_PERM && vma_pagesize == fault_granule)
ret = kvm_pgtable_stage2_relax_perms(pgt, fault_ipa, prot);
else
ret = kvm_pgtable_stage2_map(pgt, fault_ipa, vma_pagesize,
@@ -1441,7 +1443,7 @@ int kvm_handle_guest_abort(struct kvm_vcpu *vcpu)
fault_ipa = kvm_vcpu_get_fault_ipa(vcpu);
is_iabt = kvm_vcpu_trap_is_iabt(vcpu);
- if (fault_status == FSC_FAULT) {
+ if (fault_status == ESR_ELx_FSC_FAULT) {
/* Beyond sanitised PARange (which is the IPA limit) */
if (fault_ipa >= BIT_ULL(get_kvm_ipa_limit())) {
kvm_inject_size_fault(vcpu);
@@ -1476,8 +1478,9 @@ int kvm_handle_guest_abort(struct kvm_vcpu *vcpu)
kvm_vcpu_get_hfar(vcpu), fault_ipa);
/* Check the stage-2 fault is trans. fault or write fault */
- if (fault_status != FSC_FAULT && fault_status != FSC_PERM &&
- fault_status != FSC_ACCESS) {
+ if (fault_status != ESR_ELx_FSC_FAULT &&
+ fault_status != ESR_ELx_FSC_PERM &&
+ fault_status != ESR_ELx_FSC_ACCESS) {
kvm_err("Unsupported FSC: EC=%#x xFSC=%#lx ESR_EL2=%#lx\n",
kvm_vcpu_trap_get_class(vcpu),
(unsigned long)kvm_vcpu_trap_get_fault(vcpu),
@@ -1539,7 +1542,7 @@ int kvm_handle_guest_abort(struct kvm_vcpu *vcpu)
/* Userspace should not be able to register out-of-bounds IPAs */
VM_BUG_ON(fault_ipa >= kvm_phys_size(vcpu->kvm));
- if (fault_status == FSC_ACCESS) {
+ if (fault_status == ESR_ELx_FSC_ACCESS) {
handle_access_fault(vcpu, fault_ipa);
ret = 1;
goto out_unlock;
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c
index d5ee52d6bf73..c6cbfe6b854b 100644
--- a/arch/arm64/kvm/sys_regs.c
+++ b/arch/arm64/kvm/sys_regs.c
@@ -646,7 +646,7 @@ static void reset_pmcr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *r)
return;
/* Only preserve PMCR_EL0.N, and reset the rest to 0 */
- pmcr = read_sysreg(pmcr_el0) & ARMV8_PMU_PMCR_N_MASK;
+ pmcr = read_sysreg(pmcr_el0) & (ARMV8_PMU_PMCR_N_MASK << ARMV8_PMU_PMCR_N_SHIFT);
if (!kvm_supports_32bit_el0())
pmcr |= ARMV8_PMU_PMCR_LC;
diff --git a/arch/arm64/kvm/vgic/vgic-v3.c b/arch/arm64/kvm/vgic/vgic-v3.c
index 826ff6f2a4e7..2074521d4a8c 100644
--- a/arch/arm64/kvm/vgic/vgic-v3.c
+++ b/arch/arm64/kvm/vgic/vgic-v3.c
@@ -616,6 +616,8 @@ static const struct midr_range broken_seis[] = {
MIDR_ALL_VERSIONS(MIDR_APPLE_M1_FIRESTORM_PRO),
MIDR_ALL_VERSIONS(MIDR_APPLE_M1_ICESTORM_MAX),
MIDR_ALL_VERSIONS(MIDR_APPLE_M1_FIRESTORM_MAX),
+ MIDR_ALL_VERSIONS(MIDR_APPLE_M2_BLIZZARD),
+ MIDR_ALL_VERSIONS(MIDR_APPLE_M2_AVALANCHE),
{},
};
diff --git a/arch/arm64/mm/hugetlbpage.c b/arch/arm64/mm/hugetlbpage.c
index 35e9a468d13e..95364e8bdc19 100644
--- a/arch/arm64/mm/hugetlbpage.c
+++ b/arch/arm64/mm/hugetlbpage.c
@@ -559,3 +559,24 @@ bool __init arch_hugetlb_valid_size(unsigned long size)
{
return __hugetlb_valid_size(size);
}
+
+pte_t huge_ptep_modify_prot_start(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep)
+{
+ if (IS_ENABLED(CONFIG_ARM64_ERRATUM_2645198) &&
+ cpus_have_const_cap(ARM64_WORKAROUND_2645198)) {
+ /*
+ * Break-before-make (BBM) is required for all user space mappings
+ * when the permission changes from executable to non-executable
+ * in cases where cpu is affected with errata #2645198.
+ */
+ if (pte_user_exec(READ_ONCE(*ptep)))
+ return huge_ptep_clear_flush(vma, addr, ptep);
+ }
+ return huge_ptep_get_and_clear(vma->vm_mm, addr, ptep);
+}
+
+void huge_ptep_modify_prot_commit(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep,
+ pte_t old_pte, pte_t pte)
+{
+ set_huge_pte_at(vma->vm_mm, addr, ptep, pte);
+}
diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c
index 14c87e8d69d8..d77c9f56b7b4 100644
--- a/arch/arm64/mm/mmu.c
+++ b/arch/arm64/mm/mmu.c
@@ -1630,3 +1630,24 @@ static int __init prevent_bootmem_remove_init(void)
}
early_initcall(prevent_bootmem_remove_init);
#endif
+
+pte_t ptep_modify_prot_start(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep)
+{
+ if (IS_ENABLED(CONFIG_ARM64_ERRATUM_2645198) &&
+ cpus_have_const_cap(ARM64_WORKAROUND_2645198)) {
+ /*
+ * Break-before-make (BBM) is required for all user space mappings
+ * when the permission changes from executable to non-executable
+ * in cases where cpu is affected with errata #2645198.
+ */
+ if (pte_user_exec(READ_ONCE(*ptep)))
+ return ptep_clear_flush(vma, addr, ptep);
+ }
+ return ptep_get_and_clear(vma->vm_mm, addr, ptep);
+}
+
+void ptep_modify_prot_commit(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep,
+ pte_t old_pte, pte_t pte)
+{
+ set_pte_at(vma->vm_mm, addr, ptep, pte);
+}
diff --git a/arch/arm64/tools/cpucaps b/arch/arm64/tools/cpucaps
index a86ee376920a..dfeb2c51e257 100644
--- a/arch/arm64/tools/cpucaps
+++ b/arch/arm64/tools/cpucaps
@@ -71,6 +71,7 @@ WORKAROUND_2038923
WORKAROUND_2064142
WORKAROUND_2077057
WORKAROUND_2457168
+WORKAROUND_2645198
WORKAROUND_2658417
WORKAROUND_TRBE_OVERWRITE_FILL_MODE
WORKAROUND_TSB_FLUSH_FAILURE
diff --git a/arch/ia64/kernel/elfcore.c b/arch/ia64/kernel/elfcore.c
index 94680521fbf9..8895df121540 100644
--- a/arch/ia64/kernel/elfcore.c
+++ b/arch/ia64/kernel/elfcore.c
@@ -7,7 +7,7 @@
#include <asm/elf.h>
-Elf64_Half elf_core_extra_phdrs(void)
+Elf64_Half elf_core_extra_phdrs(struct coredump_params *cprm)
{
return GATE_EHDR->e_phnum;
}
@@ -60,7 +60,7 @@ int elf_core_write_extra_data(struct coredump_params *cprm)
return 1;
}
-size_t elf_core_extra_data_size(void)
+size_t elf_core_extra_data_size(struct coredump_params *cprm)
{
const struct elf_phdr *const gate_phdrs =
(const struct elf_phdr *) (GATE_ADDR + GATE_EHDR->e_phoff);
diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper
index af04cea82b94..352d7de24018 100755
--- a/arch/powerpc/boot/wrapper
+++ b/arch/powerpc/boot/wrapper
@@ -210,6 +210,10 @@ ld_version()
gsub(".*version ", "");
gsub("-.*", "");
split($1,a, ".");
+ if( length(a[3]) == "8" )
+ # a[3] is probably a date of format yyyymmdd used for release snapshots. We
+ # can assume it to be zero as it does not signify a new version as such.
+ a[3] = 0;
print a[1]*100000000 + a[2]*1000000 + a[3]*10000;
exit
}'
diff --git a/arch/powerpc/include/asm/imc-pmu.h b/arch/powerpc/include/asm/imc-pmu.h
index 4f897993b710..699a88584ae1 100644
--- a/arch/powerpc/include/asm/imc-pmu.h
+++ b/arch/powerpc/include/asm/imc-pmu.h
@@ -137,7 +137,7 @@ struct imc_pmu {
* are inited.
*/
struct imc_pmu_ref {
- struct mutex lock;
+ spinlock_t lock;
unsigned int id;
int refc;
};
diff --git a/arch/powerpc/mm/book3s64/hash_utils.c b/arch/powerpc/mm/book3s64/hash_utils.c
index 80a148c57de8..44a35ed4f686 100644
--- a/arch/powerpc/mm/book3s64/hash_utils.c
+++ b/arch/powerpc/mm/book3s64/hash_utils.c
@@ -1012,7 +1012,7 @@ static void __init hash_init_partition_table(phys_addr_t hash_table,
void hpt_clear_stress(void);
static struct timer_list stress_hpt_timer;
-void stress_hpt_timer_fn(struct timer_list *timer)
+static void stress_hpt_timer_fn(struct timer_list *timer)
{
int next_cpu;
diff --git a/arch/powerpc/perf/imc-pmu.c b/arch/powerpc/perf/imc-pmu.c
index d517aba94d1b..100e97daf76b 100644
--- a/arch/powerpc/perf/imc-pmu.c
+++ b/arch/powerpc/perf/imc-pmu.c
@@ -14,6 +14,7 @@
#include <asm/cputhreads.h>
#include <asm/smp.h>
#include <linux/string.h>
+#include <linux/spinlock.h>
/* Nest IMC data structures and variables */
@@ -21,7 +22,7 @@
* Used to avoid races in counting the nest-pmu units during hotplug
* register and unregister
*/
-static DEFINE_MUTEX(nest_init_lock);
+static DEFINE_SPINLOCK(nest_init_lock);
static DEFINE_PER_CPU(struct imc_pmu_ref *, local_nest_imc_refc);
static struct imc_pmu **per_nest_pmu_arr;
static cpumask_t nest_imc_cpumask;
@@ -50,7 +51,7 @@ static int trace_imc_mem_size;
* core and trace-imc
*/
static struct imc_pmu_ref imc_global_refc = {
- .lock = __MUTEX_INITIALIZER(imc_global_refc.lock),
+ .lock = __SPIN_LOCK_INITIALIZER(imc_global_refc.lock),
.id = 0,
.refc = 0,
};
@@ -400,7 +401,7 @@ static int ppc_nest_imc_cpu_offline(unsigned int cpu)
get_hard_smp_processor_id(cpu));
/*
* If this is the last cpu in this chip then, skip the reference
- * count mutex lock and make the reference count on this chip zero.
+ * count lock and make the reference count on this chip zero.
*/
ref = get_nest_pmu_ref(cpu);
if (!ref)
@@ -462,15 +463,15 @@ static void nest_imc_counters_release(struct perf_event *event)
/*
* See if we need to disable the nest PMU.
* If no events are currently in use, then we have to take a
- * mutex to ensure that we don't race with another task doing
+ * lock to ensure that we don't race with another task doing
* enable or disable the nest counters.
*/
ref = get_nest_pmu_ref(event->cpu);
if (!ref)
return;
- /* Take the mutex lock for this node and then decrement the reference count */
- mutex_lock(&ref->lock);
+ /* Take the lock for this node and then decrement the reference count */
+ spin_lock(&ref->lock);
if (ref->refc == 0) {
/*
* The scenario where this is true is, when perf session is
@@ -482,7 +483,7 @@ static void nest_imc_counters_release(struct perf_event *event)
* an OPAL call to disable the engine in that node.
*
*/
- mutex_unlock(&ref->lock);
+ spin_unlock(&ref->lock);
return;
}
ref->refc--;
@@ -490,7 +491,7 @@ static void nest_imc_counters_release(struct perf_event *event)
rc = opal_imc_counters_stop(OPAL_IMC_COUNTERS_NEST,
get_hard_smp_processor_id(event->cpu));
if (rc) {
- mutex_unlock(&ref->lock);
+ spin_unlock(&ref->lock);
pr_err("nest-imc: Unable to stop the counters for core %d\n", node_id);
return;
}
@@ -498,7 +499,7 @@ static void nest_imc_counters_release(struct perf_event *event)
WARN(1, "nest-imc: Invalid event reference count\n");
ref->refc = 0;
}
- mutex_unlock(&ref->lock);
+ spin_unlock(&ref->lock);
}
static int nest_imc_event_init(struct perf_event *event)
@@ -557,26 +558,25 @@ static int nest_imc_event_init(struct perf_event *event)
/*
* Get the imc_pmu_ref struct for this node.
- * Take the mutex lock and then increment the count of nest pmu events
- * inited.
+ * Take the lock and then increment the count of nest pmu events inited.
*/
ref = get_nest_pmu_ref(event->cpu);
if (!ref)
return -EINVAL;
- mutex_lock(&ref->lock);
+ spin_lock(&ref->lock);
if (ref->refc == 0) {
rc = opal_imc_counters_start(OPAL_IMC_COUNTERS_NEST,
get_hard_smp_processor_id(event->cpu));
if (rc) {
- mutex_unlock(&ref->lock);
+ spin_unlock(&ref->lock);
pr_err("nest-imc: Unable to start the counters for node %d\n",
node_id);
return rc;
}
}
++ref->refc;
- mutex_unlock(&ref->lock);
+ spin_unlock(&ref->lock);
event->destroy = nest_imc_counters_release;
return 0;
@@ -612,9 +612,8 @@ static int core_imc_mem_init(int cpu, int size)
return -ENOMEM;
mem_info->vbase = page_address(page);
- /* Init the mutex */
core_imc_refc[core_id].id = core_id;
- mutex_init(&core_imc_refc[core_id].lock);
+ spin_lock_init(&core_imc_refc[core_id].lock);
rc = opal_imc_counters_init(OPAL_IMC_COUNTERS_CORE,
__pa((void *)mem_info->vbase),
@@ -703,9 +702,8 @@ static int ppc_core_imc_cpu_offline(unsigned int cpu)
perf_pmu_migrate_context(&core_imc_pmu->pmu, cpu, ncpu);
} else {
/*
- * If this is the last cpu in this core then, skip taking refernce
- * count mutex lock for this core and directly zero "refc" for
- * this core.
+ * If this is the last cpu in this core then skip taking reference
+ * count lock for this core and directly zero "refc" for this core.
*/
opal_imc_counters_stop(OPAL_IMC_COUNTERS_CORE,
get_hard_smp_processor_id(cpu));
@@ -720,11 +718,11 @@ static int ppc_core_imc_cpu_offline(unsigned int cpu)
* last cpu in this core and core-imc event running
* in this cpu.
*/
- mutex_lock(&imc_global_refc.lock);
+ spin_lock(&imc_global_refc.lock);
if (imc_global_refc.id == IMC_DOMAIN_CORE)
imc_global_refc.refc--;
- mutex_unlock(&imc_global_refc.lock);
+ spin_unlock(&imc_global_refc.lock);
}
return 0;
}
@@ -739,7 +737,7 @@ static int core_imc_pmu_cpumask_init(void)
static void reset_global_refc(struct perf_event *event)
{
- mutex_lock(&imc_global_refc.lock);
+ spin_lock(&imc_global_refc.lock);
imc_global_refc.refc--;
/*
@@ -751,7 +749,7 @@ static void reset_global_refc(struct perf_event *event)
imc_global_refc.refc = 0;
imc_global_refc.id = 0;
}
- mutex_unlock(&imc_global_refc.lock);
+ spin_unlock(&imc_global_refc.lock);
}
static void core_imc_counters_release(struct perf_event *event)
@@ -764,17 +762,17 @@ static void core_imc_counters_release(struct perf_event *event)
/*
* See if we need to disable the IMC PMU.
* If no events are currently in use, then we have to take a
- * mutex to ensure that we don't race with another task doing
+ * lock to ensure that we don't race with another task doing
* enable or disable the core counters.
*/
core_id = event->cpu / threads_per_core;
- /* Take the mutex lock and decrement the refernce count for this core */
+ /* Take the lock and decrement the refernce count for this core */
ref = &core_imc_refc[core_id];
if (!ref)
return;
- mutex_lock(&ref->lock);
+ spin_lock(&ref->lock);
if (ref->refc == 0) {
/*
* The scenario where this is true is, when perf session is
@@ -786,7 +784,7 @@ static void core_imc_counters_release(struct perf_event *event)
* an OPAL call to disable the engine in that core.
*
*/
- mutex_unlock(&ref->lock);
+ spin_unlock(&ref->lock);
return;
}
ref->refc--;
@@ -794,7 +792,7 @@ static void core_imc_counters_release(struct perf_event *event)
rc = opal_imc_counters_stop(OPAL_IMC_COUNTERS_CORE,
get_hard_smp_processor_id(event->cpu));
if (rc) {
- mutex_unlock(&ref->lock);
+ spin_unlock(&ref->lock);
pr_err("IMC: Unable to stop the counters for core %d\n", core_id);
return;
}
@@ -802,7 +800,7 @@ static void core_imc_counters_release(struct perf_event *event)
WARN(1, "core-imc: Invalid event reference count\n");
ref->refc = 0;
}
- mutex_unlock(&ref->lock);
+ spin_unlock(&ref->lock);
reset_global_refc(event);
}
@@ -840,7 +838,6 @@ static int core_imc_event_init(struct perf_event *event)
if ((!pcmi->vbase))
return -ENODEV;
- /* Get the core_imc mutex for this core */
ref = &core_imc_refc[core_id];
if (!ref)
return -EINVAL;
@@ -848,22 +845,22 @@ static int core_imc_event_init(struct perf_event *event)
/*
* Core pmu units are enabled only when it is used.
* See if this is triggered for the first time.
- * If yes, take the mutex lock and enable the core counters.
+ * If yes, take the lock and enable the core counters.
* If not, just increment the count in core_imc_refc struct.
*/
- mutex_lock(&ref->lock);
+ spin_lock(&ref->lock);
if (ref->refc == 0) {
rc = opal_imc_counters_start(OPAL_IMC_COUNTERS_CORE,
get_hard_smp_processor_id(event->cpu));
if (rc) {
- mutex_unlock(&ref->lock);
+ spin_unlock(&ref->lock);
pr_err("core-imc: Unable to start the counters for core %d\n",
core_id);
return rc;
}
}
++ref->refc;
- mutex_unlock(&ref->lock);
+ spin_unlock(&ref->lock);
/*
* Since the system can run either in accumulation or trace-mode
@@ -874,7 +871,7 @@ static int core_imc_event_init(struct perf_event *event)
* to know whether any other trace/thread imc
* events are running.
*/
- mutex_lock(&imc_global_refc.lock);
+ spin_lock(&imc_global_refc.lock);
if (imc_global_refc.id == 0 || imc_global_refc.id == IMC_DOMAIN_CORE) {
/*
* No other trace/thread imc events are running in
@@ -883,10 +880,10 @@ static int core_imc_event_init(struct perf_event *event)
imc_global_refc.id = IMC_DOMAIN_CORE;
imc_global_refc.refc++;
} else {
- mutex_unlock(&imc_global_refc.lock);
+ spin_unlock(&imc_global_refc.lock);
return -EBUSY;
}
- mutex_unlock(&imc_global_refc.lock);
+ spin_unlock(&imc_global_refc.lock);
event->hw.event_base = (u64)pcmi->vbase + (config & IMC_EVENT_OFFSET_MASK);
event->destroy = core_imc_counters_release;
@@ -958,10 +955,10 @@ static int ppc_thread_imc_cpu_offline(unsigned int cpu)
mtspr(SPRN_LDBAR, (mfspr(SPRN_LDBAR) & (~(1UL << 63))));
/* Reduce the refc if thread-imc event running on this cpu */
- mutex_lock(&imc_global_refc.lock);
+ spin_lock(&imc_global_refc.lock);
if (imc_global_refc.id == IMC_DOMAIN_THREAD)
imc_global_refc.refc--;
- mutex_unlock(&imc_global_refc.lock);
+ spin_unlock(&imc_global_refc.lock);
return 0;
}
@@ -1001,7 +998,7 @@ static int thread_imc_event_init(struct perf_event *event)
if (!target)
return -EINVAL;
- mutex_lock(&imc_global_refc.lock);
+ spin_lock(&imc_global_refc.lock);
/*
* Check if any other trace/core imc events are running in the
* system, if not set the global id to thread-imc.
@@ -1010,10 +1007,10 @@ static int thread_imc_event_init(struct perf_event *event)
imc_global_refc.id = IMC_DOMAIN_THREAD;
imc_global_refc.refc++;
} else {
- mutex_unlock(&imc_global_refc.lock);
+ spin_unlock(&imc_global_refc.lock);
return -EBUSY;
}
- mutex_unlock(&imc_global_refc.lock);
+ spin_unlock(&imc_global_refc.lock);
event->pmu->task_ctx_nr = perf_sw_context;
event->destroy = reset_global_refc;
@@ -1135,25 +1132,25 @@ static int thread_imc_event_add(struct perf_event *event, int flags)
/*
* imc pmus are enabled only when it is used.
* See if this is triggered for the first time.
- * If yes, take the mutex lock and enable the counters.
+ * If yes, take the lock and enable the counters.
* If not, just increment the count in ref count struct.
*/
ref = &core_imc_refc[core_id];
if (!ref)
return -EINVAL;
- mutex_lock(&ref->lock);
+ spin_lock(&ref->lock);
if (ref->refc == 0) {
if (opal_imc_counters_start(OPAL_IMC_COUNTERS_CORE,
get_hard_smp_processor_id(smp_processor_id()))) {
- mutex_unlock(&ref->lock);
+ spin_unlock(&ref->lock);
pr_err("thread-imc: Unable to start the counter\
for core %d\n", core_id);
return -EINVAL;
}
}
++ref->refc;
- mutex_unlock(&ref->lock);
+ spin_unlock(&ref->lock);
return 0;
}
@@ -1170,12 +1167,12 @@ static void thread_imc_event_del(struct perf_event *event, int flags)
return;
}
- mutex_lock(&ref->lock);
+ spin_lock(&ref->lock);
ref->refc--;
if (ref->refc == 0) {
if (opal_imc_counters_stop(OPAL_IMC_COUNTERS_CORE,
get_hard_smp_processor_id(smp_processor_id()))) {
- mutex_unlock(&ref->lock);
+ spin_unlock(&ref->lock);
pr_err("thread-imc: Unable to stop the counters\
for core %d\n", core_id);
return;
@@ -1183,7 +1180,7 @@ static void thread_imc_event_del(struct perf_event *event, int flags)
} else if (ref->refc < 0) {
ref->refc = 0;
}
- mutex_unlock(&ref->lock);
+ spin_unlock(&ref->lock);
/* Set bit 0 of LDBAR to zero, to stop posting updates to memory */
mtspr(SPRN_LDBAR, (mfspr(SPRN_LDBAR) & (~(1UL << 63))));
@@ -1224,9 +1221,8 @@ static int trace_imc_mem_alloc(int cpu_id, int size)
}
}
- /* Init the mutex, if not already */
trace_imc_refc[core_id].id = core_id;
- mutex_init(&trace_imc_refc[core_id].lock);
+ spin_lock_init(&trace_imc_refc[core_id].lock);
mtspr(SPRN_LDBAR, 0);
return 0;
@@ -1246,10 +1242,10 @@ static int ppc_trace_imc_cpu_offline(unsigned int cpu)
* Reduce the refc if any trace-imc event running
* on this cpu.
*/
- mutex_lock(&imc_global_refc.lock);
+ spin_lock(&imc_global_refc.lock);
if (imc_global_refc.id == IMC_DOMAIN_TRACE)
imc_global_refc.refc--;
- mutex_unlock(&imc_global_refc.lock);
+ spin_unlock(&imc_global_refc.lock);
return 0;
}
@@ -1371,17 +1367,17 @@ static int trace_imc_event_add(struct perf_event *event, int flags)
}
mtspr(SPRN_LDBAR, ldbar_value);
- mutex_lock(&ref->lock);
+ spin_lock(&ref->lock);
if (ref->refc == 0) {
if (opal_imc_counters_start(OPAL_IMC_COUNTERS_TRACE,
get_hard_smp_processor_id(smp_processor_id()))) {
- mutex_unlock(&ref->lock);
+ spin_unlock(&ref->lock);
pr_err("trace-imc: Unable to start the counters for core %d\n", core_id);
return -EINVAL;
}
}
++ref->refc;
- mutex_unlock(&ref->lock);
+ spin_unlock(&ref->lock);
return 0;
}
@@ -1414,19 +1410,19 @@ static void trace_imc_event_del(struct perf_event *event, int flags)
return;
}
- mutex_lock(&ref->lock);
+ spin_lock(&ref->lock);
ref->refc--;
if (ref->refc == 0) {
if (opal_imc_counters_stop(OPAL_IMC_COUNTERS_TRACE,
get_hard_smp_processor_id(smp_processor_id()))) {
- mutex_unlock(&ref->lock);
+ spin_unlock(&ref->lock);
pr_err("trace-imc: Unable to stop the counters for core %d\n", core_id);
return;
}
} else if (ref->refc < 0) {
ref->refc = 0;
}
- mutex_unlock(&ref->lock);
+ spin_unlock(&ref->lock);
trace_imc_event_stop(event, flags);
}
@@ -1448,7 +1444,7 @@ static int trace_imc_event_init(struct perf_event *event)
* no other thread is running any core/thread imc
* events
*/
- mutex_lock(&imc_global_refc.lock);
+ spin_lock(&imc_global_refc.lock);
if (imc_global_refc.id == 0 || imc_global_refc.id == IMC_DOMAIN_TRACE) {
/*
* No core/thread imc events are running in the
@@ -1457,10 +1453,10 @@ static int trace_imc_event_init(struct perf_event *event)
imc_global_refc.id = IMC_DOMAIN_TRACE;
imc_global_refc.refc++;
} else {
- mutex_unlock(&imc_global_refc.lock);
+ spin_unlock(&imc_global_refc.lock);
return -EBUSY;
}
- mutex_unlock(&imc_global_refc.lock);
+ spin_unlock(&imc_global_refc.lock);
event->hw.idx = -1;
@@ -1533,10 +1529,10 @@ static int init_nest_pmu_ref(void)
i = 0;
for_each_node(nid) {
/*
- * Mutex lock to avoid races while tracking the number of
+ * Take the lock to avoid races while tracking the number of
* sessions using the chip's nest pmu units.
*/
- mutex_init(&nest_imc_refc[i].lock);
+ spin_lock_init(&nest_imc_refc[i].lock);
/*
* Loop to init the "id" with the node_id. Variable "i" initialized to
@@ -1633,7 +1629,7 @@ static void imc_common_mem_free(struct imc_pmu *pmu_ptr)
static void imc_common_cpuhp_mem_free(struct imc_pmu *pmu_ptr)
{
if (pmu_ptr->domain == IMC_DOMAIN_NEST) {
- mutex_lock(&nest_init_lock);
+ spin_lock(&nest_init_lock);
if (nest_pmus == 1) {
cpuhp_remove_state(CPUHP_AP_PERF_POWERPC_NEST_IMC_ONLINE);
kfree(nest_imc_refc);
@@ -1643,7 +1639,7 @@ static void imc_common_cpuhp_mem_free(struct imc_pmu *pmu_ptr)
if (nest_pmus > 0)
nest_pmus--;
- mutex_unlock(&nest_init_lock);
+ spin_unlock(&nest_init_lock);
}
/* Free core_imc memory */
@@ -1800,11 +1796,11 @@ int init_imc_pmu(struct device_node *parent, struct imc_pmu *pmu_ptr, int pmu_id
* rest. To handle the cpuhotplug callback unregister, we track
* the number of nest pmus in "nest_pmus".
*/
- mutex_lock(&nest_init_lock);
+ spin_lock(&nest_init_lock);
if (nest_pmus == 0) {
ret = init_nest_pmu_ref();
if (ret) {
- mutex_unlock(&nest_init_lock);
+ spin_unlock(&nest_init_lock);
kfree(per_nest_pmu_arr);
per_nest_pmu_arr = NULL;
goto err_free_mem;
@@ -1812,7 +1808,7 @@ int init_imc_pmu(struct device_node *parent, struct imc_pmu *pmu_ptr, int pmu_id
/* Register for cpu hotplug notification. */
ret = nest_pmu_cpumask_init();
if (ret) {
- mutex_unlock(&nest_init_lock);
+ spin_unlock(&nest_init_lock);
kfree(nest_imc_refc);
kfree(per_nest_pmu_arr);
per_nest_pmu_arr = NULL;
@@ -1820,7 +1816,7 @@ int init_imc_pmu(struct device_node *parent, struct imc_pmu *pmu_ptr, int pmu_id
}
}
nest_pmus++;
- mutex_unlock(&nest_init_lock);
+ spin_unlock(&nest_init_lock);
break;
case IMC_DOMAIN_CORE:
ret = core_imc_pmu_cpumask_init();
diff --git a/arch/s390/boot/decompressor.c b/arch/s390/boot/decompressor.c
index e27c2140d620..8dcd7af2911a 100644
--- a/arch/s390/boot/decompressor.c
+++ b/arch/s390/boot/decompressor.c
@@ -23,9 +23,9 @@
#define memmove memmove
#define memzero(s, n) memset((s), 0, (n))
-#ifdef CONFIG_KERNEL_BZIP2
+#if defined(CONFIG_KERNEL_BZIP2)
#define BOOT_HEAP_SIZE 0x400000
-#elif CONFIG_KERNEL_ZSTD
+#elif defined(CONFIG_KERNEL_ZSTD)
#define BOOT_HEAP_SIZE 0x30000
#else
#define BOOT_HEAP_SIZE 0x10000
diff --git a/arch/s390/configs/debug_defconfig b/arch/s390/configs/debug_defconfig
index a7b4e1d82758..74b35ec2ad28 100644
--- a/arch/s390/configs/debug_defconfig
+++ b/arch/s390/configs/debug_defconfig
@@ -190,7 +190,6 @@ CONFIG_NFT_CT=m
CONFIG_NFT_LOG=m
CONFIG_NFT_LIMIT=m
CONFIG_NFT_NAT=m
-CONFIG_NFT_OBJREF=m
CONFIG_NFT_REJECT=m
CONFIG_NFT_COMPAT=m
CONFIG_NFT_HASH=m
@@ -569,6 +568,7 @@ CONFIG_INPUT_EVDEV=y
# CONFIG_INPUT_MOUSE is not set
# CONFIG_SERIO is not set
CONFIG_LEGACY_PTY_COUNT=0
+# CONFIG_LEGACY_TIOCSTI is not set
CONFIG_VIRTIO_CONSOLE=m
CONFIG_HW_RANDOM_VIRTIO=m
CONFIG_HANGCHECK_TIMER=m
@@ -660,6 +660,7 @@ CONFIG_CONFIGFS_FS=m
CONFIG_ECRYPT_FS=m
CONFIG_CRAMFS=m
CONFIG_SQUASHFS=m
+CONFIG_SQUASHFS_CHOICE_DECOMP_BY_MOUNT=y
CONFIG_SQUASHFS_XATTR=y
CONFIG_SQUASHFS_LZ4=y
CONFIG_SQUASHFS_LZO=y
@@ -705,6 +706,7 @@ CONFIG_SECURITY_LOCKDOWN_LSM_EARLY=y
CONFIG_SECURITY_LANDLOCK=y
CONFIG_INTEGRITY_SIGNATURE=y
CONFIG_INTEGRITY_ASYMMETRIC_KEYS=y
+CONFIG_INTEGRITY_PLATFORM_KEYRING=y
CONFIG_IMA=y
CONFIG_IMA_DEFAULT_HASH_SHA256=y
CONFIG_IMA_WRITE_POLICY=y
@@ -781,6 +783,7 @@ CONFIG_ZCRYPT=m
CONFIG_PKEY=m
CONFIG_CRYPTO_PAES_S390=m
CONFIG_CRYPTO_DEV_VIRTIO=m
+CONFIG_SYSTEM_BLACKLIST_KEYRING=y
CONFIG_CORDIC=m
CONFIG_CRYPTO_LIB_CURVE25519=m
CONFIG_CRYPTO_LIB_CHACHA20POLY1305=m
@@ -848,7 +851,6 @@ CONFIG_PREEMPT_TRACER=y
CONFIG_SCHED_TRACER=y
CONFIG_FTRACE_SYSCALLS=y
CONFIG_BLK_DEV_IO_TRACE=y
-CONFIG_BPF_KPROBE_OVERRIDE=y
CONFIG_HIST_TRIGGERS=y
CONFIG_FTRACE_STARTUP_TEST=y
# CONFIG_EVENT_TRACE_STARTUP_TEST is not set
@@ -870,7 +872,6 @@ CONFIG_FAIL_MAKE_REQUEST=y
CONFIG_FAIL_IO_TIMEOUT=y
CONFIG_FAIL_FUTEX=y
CONFIG_FAULT_INJECTION_DEBUG_FS=y
-CONFIG_FAIL_FUNCTION=y
CONFIG_FAULT_INJECTION_STACKTRACE_FILTER=y
CONFIG_LKDTM=m
CONFIG_TEST_MIN_HEAP=y
diff --git a/arch/s390/configs/defconfig b/arch/s390/configs/defconfig
index 2bc2d0fe5774..cec71268e3bc 100644
--- a/arch/s390/configs/defconfig
+++ b/arch/s390/configs/defconfig
@@ -181,7 +181,6 @@ CONFIG_NFT_CT=m
CONFIG_NFT_LOG=m
CONFIG_NFT_LIMIT=m
CONFIG_NFT_NAT=m
-CONFIG_NFT_OBJREF=m
CONFIG_NFT_REJECT=m
CONFIG_NFT_COMPAT=m
CONFIG_NFT_HASH=m
@@ -559,6 +558,7 @@ CONFIG_INPUT_EVDEV=y
# CONFIG_INPUT_MOUSE is not set
# CONFIG_SERIO is not set
CONFIG_LEGACY_PTY_COUNT=0
+# CONFIG_LEGACY_TIOCSTI is not set
CONFIG_VIRTIO_CONSOLE=m
CONFIG_HW_RANDOM_VIRTIO=m
CONFIG_HANGCHECK_TIMER=m
@@ -645,6 +645,7 @@ CONFIG_CONFIGFS_FS=m
CONFIG_ECRYPT_FS=m
CONFIG_CRAMFS=m
CONFIG_SQUASHFS=m
+CONFIG_SQUASHFS_CHOICE_DECOMP_BY_MOUNT=y
CONFIG_SQUASHFS_XATTR=y
CONFIG_SQUASHFS_LZ4=y
CONFIG_SQUASHFS_LZO=y
@@ -688,6 +689,7 @@ CONFIG_SECURITY_LOCKDOWN_LSM_EARLY=y
CONFIG_SECURITY_LANDLOCK=y
CONFIG_INTEGRITY_SIGNATURE=y
CONFIG_INTEGRITY_ASYMMETRIC_KEYS=y
+CONFIG_INTEGRITY_PLATFORM_KEYRING=y
CONFIG_IMA=y
CONFIG_IMA_DEFAULT_HASH_SHA256=y
CONFIG_IMA_WRITE_POLICY=y
@@ -766,6 +768,7 @@ CONFIG_ZCRYPT=m
CONFIG_PKEY=m
CONFIG_CRYPTO_PAES_S390=m
CONFIG_CRYPTO_DEV_VIRTIO=m
+CONFIG_SYSTEM_BLACKLIST_KEYRING=y
CONFIG_CORDIC=m
CONFIG_PRIME_NUMBERS=m
CONFIG_CRYPTO_LIB_CURVE25519=m
@@ -798,7 +801,6 @@ CONFIG_STACK_TRACER=y
CONFIG_SCHED_TRACER=y
CONFIG_FTRACE_SYSCALLS=y
CONFIG_BLK_DEV_IO_TRACE=y
-CONFIG_BPF_KPROBE_OVERRIDE=y
CONFIG_HIST_TRIGGERS=y
CONFIG_SAMPLES=y
CONFIG_SAMPLE_TRACE_PRINTK=m
diff --git a/arch/s390/configs/zfcpdump_defconfig b/arch/s390/configs/zfcpdump_defconfig
index ae14ab0b864d..a9c0c81d1de9 100644
--- a/arch/s390/configs/zfcpdump_defconfig
+++ b/arch/s390/configs/zfcpdump_defconfig
@@ -13,7 +13,6 @@ CONFIG_TUNE_ZEC12=y
# CONFIG_COMPAT is not set
CONFIG_NR_CPUS=2
CONFIG_HZ_100=y
-# CONFIG_RELOCATABLE is not set
# CONFIG_CHSC_SCH is not set
# CONFIG_SCM_BUS is not set
CONFIG_CRASH_DUMP=y
@@ -50,6 +49,7 @@ CONFIG_ZFCP=y
# CONFIG_INPUT_KEYBOARD is not set
# CONFIG_INPUT_MOUSE is not set
# CONFIG_SERIO is not set
+# CONFIG_LEGACY_TIOCSTI is not set
# CONFIG_HVC_IUCV is not set
# CONFIG_HW_RANDOM_S390 is not set
# CONFIG_HMC_DRV is not set
diff --git a/arch/s390/include/asm/cpu_mf.h b/arch/s390/include/asm/cpu_mf.h
index feaba12dbecb..efa103b52a1a 100644
--- a/arch/s390/include/asm/cpu_mf.h
+++ b/arch/s390/include/asm/cpu_mf.h
@@ -131,19 +131,21 @@ struct hws_combined_entry {
struct hws_diag_entry diag; /* Diagnostic-sampling data entry */
} __packed;
-struct hws_trailer_entry {
- union {
- struct {
- unsigned int f:1; /* 0 - Block Full Indicator */
- unsigned int a:1; /* 1 - Alert request control */
- unsigned int t:1; /* 2 - Timestamp format */
- unsigned int :29; /* 3 - 31: Reserved */
- unsigned int bsdes:16; /* 32-47: size of basic SDE */
- unsigned int dsdes:16; /* 48-63: size of diagnostic SDE */
- };
- unsigned long long flags; /* 0 - 63: All indicators */
+union hws_trailer_header {
+ struct {
+ unsigned int f:1; /* 0 - Block Full Indicator */
+ unsigned int a:1; /* 1 - Alert request control */
+ unsigned int t:1; /* 2 - Timestamp format */
+ unsigned int :29; /* 3 - 31: Reserved */
+ unsigned int bsdes:16; /* 32-47: size of basic SDE */
+ unsigned int dsdes:16; /* 48-63: size of diagnostic SDE */
+ unsigned long long overflow; /* 64 - Overflow Count */
};
- unsigned long long overflow; /* 64 - sample Overflow count */
+ __uint128_t val;
+};
+
+struct hws_trailer_entry {
+ union hws_trailer_header header; /* 0 - 15 Flags + Overflow Count */
unsigned char timestamp[16]; /* 16 - 31 timestamp */
unsigned long long reserved1; /* 32 -Reserved */
unsigned long long reserved2; /* */
@@ -290,14 +292,11 @@ static inline unsigned long sample_rate_to_freq(struct hws_qsi_info_block *qsi,
return USEC_PER_SEC * qsi->cpu_speed / rate;
}
-#define SDB_TE_ALERT_REQ_MASK 0x4000000000000000UL
-#define SDB_TE_BUFFER_FULL_MASK 0x8000000000000000UL
-
/* Return TOD timestamp contained in an trailer entry */
static inline unsigned long long trailer_timestamp(struct hws_trailer_entry *te)
{
/* TOD in STCKE format */
- if (te->t)
+ if (te->header.t)
return *((unsigned long long *) &te->timestamp[1]);
/* TOD in STCK format */
diff --git a/arch/s390/include/asm/debug.h b/arch/s390/include/asm/debug.h
index 77f24262c25c..ac665b9670c5 100644
--- a/arch/s390/include/asm/debug.h
+++ b/arch/s390/include/asm/debug.h
@@ -4,8 +4,8 @@
*
* Copyright IBM Corp. 1999, 2020
*/
-#ifndef DEBUG_H
-#define DEBUG_H
+#ifndef _ASM_S390_DEBUG_H
+#define _ASM_S390_DEBUG_H
#include <linux/string.h>
#include <linux/spinlock.h>
@@ -487,4 +487,4 @@ void debug_register_static(debug_info_t *id, int pages_per_area, int nr_areas);
#endif /* MODULE */
-#endif /* DEBUG_H */
+#endif /* _ASM_S390_DEBUG_H */
diff --git a/arch/s390/include/asm/percpu.h b/arch/s390/include/asm/percpu.h
index cb5fc0690435..081837b391e3 100644
--- a/arch/s390/include/asm/percpu.h
+++ b/arch/s390/include/asm/percpu.h
@@ -31,7 +31,7 @@
pcp_op_T__ *ptr__; \
preempt_disable_notrace(); \
ptr__ = raw_cpu_ptr(&(pcp)); \
- prev__ = *ptr__; \
+ prev__ = READ_ONCE(*ptr__); \
do { \
old__ = prev__; \
new__ = old__ op (val); \
diff --git a/arch/s390/kernel/machine_kexec_file.c b/arch/s390/kernel/machine_kexec_file.c
index fc6d5f58debe..2df94d32140c 100644
--- a/arch/s390/kernel/machine_kexec_file.c
+++ b/arch/s390/kernel/machine_kexec_file.c
@@ -187,8 +187,6 @@ static int kexec_file_add_ipl_report(struct kimage *image,
data->memsz = ALIGN(data->memsz, PAGE_SIZE);
buf.mem = data->memsz;
- if (image->type == KEXEC_TYPE_CRASH)
- buf.mem += crashk_res.start;
ptr = (void *)ipl_cert_list_addr;
end = ptr + ipl_cert_list_size;
@@ -225,6 +223,9 @@ static int kexec_file_add_ipl_report(struct kimage *image,
data->kernel_buf + offsetof(struct lowcore, ipl_parmblock_ptr);
*lc_ipl_parmblock_ptr = (__u32)buf.mem;
+ if (image->type == KEXEC_TYPE_CRASH)
+ buf.mem += crashk_res.start;
+
ret = kexec_add_buffer(&buf);
out:
return ret;
diff --git a/arch/s390/kernel/perf_cpum_sf.c b/arch/s390/kernel/perf_cpum_sf.c
index 332a49965130..ce886a03545a 100644
--- a/arch/s390/kernel/perf_cpum_sf.c
+++ b/arch/s390/kernel/perf_cpum_sf.c
@@ -163,14 +163,15 @@ static void free_sampling_buffer(struct sf_buffer *sfb)
static int alloc_sample_data_block(unsigned long *sdbt, gfp_t gfp_flags)
{
- unsigned long sdb, *trailer;
+ struct hws_trailer_entry *te;
+ unsigned long sdb;
/* Allocate and initialize sample-data-block */
sdb = get_zeroed_page(gfp_flags);
if (!sdb)
return -ENOMEM;
- trailer = trailer_entry_ptr(sdb);
- *trailer = SDB_TE_ALERT_REQ_MASK;
+ te = (struct hws_trailer_entry *)trailer_entry_ptr(sdb);
+ te->header.a = 1;
/* Link SDB into the sample-data-block-table */
*sdbt = sdb;
@@ -1206,7 +1207,7 @@ static void hw_collect_samples(struct perf_event *event, unsigned long *sdbt,
"%s: Found unknown"
" sampling data entry: te->f %i"
" basic.def %#4x (%p)\n", __func__,
- te->f, sample->def, sample);
+ te->header.f, sample->def, sample);
/* Sample slot is not yet written or other record.
*
* This condition can occur if the buffer was reused
@@ -1217,7 +1218,7 @@ static void hw_collect_samples(struct perf_event *event, unsigned long *sdbt,
* that are not full. Stop processing if the first
* invalid format was detected.
*/
- if (!te->f)
+ if (!te->header.f)
break;
}
@@ -1227,6 +1228,16 @@ static void hw_collect_samples(struct perf_event *event, unsigned long *sdbt,
}
}
+static inline __uint128_t __cdsg(__uint128_t *ptr, __uint128_t old, __uint128_t new)
+{
+ asm volatile(
+ " cdsg %[old],%[new],%[ptr]\n"
+ : [old] "+d" (old), [ptr] "+QS" (*ptr)
+ : [new] "d" (new)
+ : "memory", "cc");
+ return old;
+}
+
/* hw_perf_event_update() - Process sampling buffer
* @event: The perf event
* @flush_all: Flag to also flush partially filled sample-data-blocks
@@ -1243,10 +1254,11 @@ static void hw_collect_samples(struct perf_event *event, unsigned long *sdbt,
*/
static void hw_perf_event_update(struct perf_event *event, int flush_all)
{
+ unsigned long long event_overflow, sampl_overflow, num_sdb;
+ union hws_trailer_header old, prev, new;
struct hw_perf_event *hwc = &event->hw;
struct hws_trailer_entry *te;
unsigned long *sdbt;
- unsigned long long event_overflow, sampl_overflow, num_sdb, te_flags;
int done;
/*
@@ -1266,25 +1278,25 @@ static void hw_perf_event_update(struct perf_event *event, int flush_all)
te = (struct hws_trailer_entry *) trailer_entry_ptr(*sdbt);
/* Leave loop if no more work to do (block full indicator) */
- if (!te->f) {
+ if (!te->header.f) {
done = 1;
if (!flush_all)
break;
}
/* Check the sample overflow count */
- if (te->overflow)
+ if (te->header.overflow)
/* Account sample overflows and, if a particular limit
* is reached, extend the sampling buffer.
* For details, see sfb_account_overflows().
*/
- sampl_overflow += te->overflow;
+ sampl_overflow += te->header.overflow;
/* Timestamps are valid for full sample-data-blocks only */
debug_sprintf_event(sfdbg, 6, "%s: sdbt %#lx "
"overflow %llu timestamp %#llx\n",
- __func__, (unsigned long)sdbt, te->overflow,
- (te->f) ? trailer_timestamp(te) : 0ULL);
+ __func__, (unsigned long)sdbt, te->header.overflow,
+ (te->header.f) ? trailer_timestamp(te) : 0ULL);
/* Collect all samples from a single sample-data-block and
* flag if an (perf) event overflow happened. If so, the PMU
@@ -1294,12 +1306,16 @@ static void hw_perf_event_update(struct perf_event *event, int flush_all)
num_sdb++;
/* Reset trailer (using compare-double-and-swap) */
+ /* READ_ONCE() 16 byte header */
+ prev.val = __cdsg(&te->header.val, 0, 0);
do {
- te_flags = te->flags & ~SDB_TE_BUFFER_FULL_MASK;
- te_flags |= SDB_TE_ALERT_REQ_MASK;
- } while (!cmpxchg_double(&te->flags, &te->overflow,
- te->flags, te->overflow,
- te_flags, 0ULL));
+ old.val = prev.val;
+ new.val = prev.val;
+ new.f = 0;
+ new.a = 1;
+ new.overflow = 0;
+ prev.val = __cdsg(&te->header.val, old.val, new.val);
+ } while (prev.val != old.val);
/* Advance to next sample-data-block */
sdbt++;
@@ -1384,7 +1400,7 @@ static void aux_output_end(struct perf_output_handle *handle)
range_scan = AUX_SDB_NUM_ALERT(aux);
for (i = 0, idx = aux->head; i < range_scan; i++, idx++) {
te = aux_sdb_trailer(aux, idx);
- if (!(te->flags & SDB_TE_BUFFER_FULL_MASK))
+ if (!te->header.f)
break;
}
/* i is num of SDBs which are full */
@@ -1392,7 +1408,7 @@ static void aux_output_end(struct perf_output_handle *handle)
/* Remove alert indicators in the buffer */
te = aux_sdb_trailer(aux, aux->alert_mark);
- te->flags &= ~SDB_TE_ALERT_REQ_MASK;
+ te->header.a = 0;
debug_sprintf_event(sfdbg, 6, "%s: SDBs %ld range %ld head %ld\n",
__func__, i, range_scan, aux->head);
@@ -1437,9 +1453,9 @@ static int aux_output_begin(struct perf_output_handle *handle,
idx = aux->empty_mark + 1;
for (i = 0; i < range_scan; i++, idx++) {
te = aux_sdb_trailer(aux, idx);
- te->flags &= ~(SDB_TE_BUFFER_FULL_MASK |
- SDB_TE_ALERT_REQ_MASK);
- te->overflow = 0;
+ te->header.f = 0;
+ te->header.a = 0;
+ te->header.overflow = 0;
}
/* Save the position of empty SDBs */
aux->empty_mark = aux->head + range - 1;
@@ -1448,7 +1464,7 @@ static int aux_output_begin(struct perf_output_handle *handle,
/* Set alert indicator */
aux->alert_mark = aux->head + range/2 - 1;
te = aux_sdb_trailer(aux, aux->alert_mark);
- te->flags = te->flags | SDB_TE_ALERT_REQ_MASK;
+ te->header.a = 1;
/* Reset hardware buffer head */
head = AUX_SDB_INDEX(aux, aux->head);
@@ -1475,14 +1491,17 @@ static int aux_output_begin(struct perf_output_handle *handle,
static bool aux_set_alert(struct aux_buffer *aux, unsigned long alert_index,
unsigned long long *overflow)
{
- unsigned long long orig_overflow, orig_flags, new_flags;
+ union hws_trailer_header old, prev, new;
struct hws_trailer_entry *te;
te = aux_sdb_trailer(aux, alert_index);
+ /* READ_ONCE() 16 byte header */
+ prev.val = __cdsg(&te->header.val, 0, 0);
do {
- orig_flags = te->flags;
- *overflow = orig_overflow = te->overflow;
- if (orig_flags & SDB_TE_BUFFER_FULL_MASK) {
+ old.val = prev.val;
+ new.val = prev.val;
+ *overflow = old.overflow;
+ if (old.f) {
/*
* SDB is already set by hardware.
* Abort and try to set somewhere
@@ -1490,10 +1509,10 @@ static bool aux_set_alert(struct aux_buffer *aux, unsigned long alert_index,
*/
return false;
}
- new_flags = orig_flags | SDB_TE_ALERT_REQ_MASK;
- } while (!cmpxchg_double(&te->flags, &te->overflow,
- orig_flags, orig_overflow,
- new_flags, 0ULL));
+ new.a = 1;
+ new.overflow = 0;
+ prev.val = __cdsg(&te->header.val, old.val, new.val);
+ } while (prev.val != old.val);
return true;
}
@@ -1522,8 +1541,9 @@ static bool aux_set_alert(struct aux_buffer *aux, unsigned long alert_index,
static bool aux_reset_buffer(struct aux_buffer *aux, unsigned long range,
unsigned long long *overflow)
{
- unsigned long long orig_overflow, orig_flags, new_flags;
unsigned long i, range_scan, idx, idx_old;
+ union hws_trailer_header old, prev, new;
+ unsigned long long orig_overflow;
struct hws_trailer_entry *te;
debug_sprintf_event(sfdbg, 6, "%s: range %ld head %ld alert %ld "
@@ -1554,17 +1574,20 @@ static bool aux_reset_buffer(struct aux_buffer *aux, unsigned long range,
idx_old = idx = aux->empty_mark + 1;
for (i = 0; i < range_scan; i++, idx++) {
te = aux_sdb_trailer(aux, idx);
+ /* READ_ONCE() 16 byte header */
+ prev.val = __cdsg(&te->header.val, 0, 0);
do {
- orig_flags = te->flags;
- orig_overflow = te->overflow;
- new_flags = orig_flags & ~SDB_TE_BUFFER_FULL_MASK;
+ old.val = prev.val;
+ new.val = prev.val;
+ orig_overflow = old.overflow;
+ new.f = 0;
+ new.overflow = 0;
if (idx == aux->alert_mark)
- new_flags |= SDB_TE_ALERT_REQ_MASK;
+ new.a = 1;
else
- new_flags &= ~SDB_TE_ALERT_REQ_MASK;
- } while (!cmpxchg_double(&te->flags, &te->overflow,
- orig_flags, orig_overflow,
- new_flags, 0ULL));
+ new.a = 0;
+ prev.val = __cdsg(&te->header.val, old.val, new.val);
+ } while (prev.val != old.val);
*overflow += orig_overflow;
}
diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S
index 5ea3830af0cc..cbf9c1b0beda 100644
--- a/arch/s390/kernel/vmlinux.lds.S
+++ b/arch/s390/kernel/vmlinux.lds.S
@@ -17,6 +17,8 @@
/* Handle ro_after_init data on our own. */
#define RO_AFTER_INIT_DATA
+#define RUNTIME_DISCARD_EXIT
+
#define EMITS_PT_NOTE
#include <asm-generic/vmlinux.lds.h>
@@ -79,6 +81,7 @@ SECTIONS
_end_amode31_refs = .;
}
+ . = ALIGN(PAGE_SIZE);
_edata = .; /* End of data section */
/* will be freed after init */
@@ -193,6 +196,7 @@ SECTIONS
BSS_SECTION(PAGE_SIZE, 4 * PAGE_SIZE, PAGE_SIZE)
+ . = ALIGN(PAGE_SIZE);
_end = . ;
/*
diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
index 1dae78deddf2..ab26aa53ee37 100644
--- a/arch/s390/kvm/interrupt.c
+++ b/arch/s390/kvm/interrupt.c
@@ -83,8 +83,9 @@ static int sca_inject_ext_call(struct kvm_vcpu *vcpu, int src_id)
struct esca_block *sca = vcpu->kvm->arch.sca;
union esca_sigp_ctrl *sigp_ctrl =
&(sca->cpu[vcpu->vcpu_id].sigp_ctrl);
- union esca_sigp_ctrl new_val = {0}, old_val = *sigp_ctrl;
+ union esca_sigp_ctrl new_val = {0}, old_val;
+ old_val = READ_ONCE(*sigp_ctrl);
new_val.scn = src_id;
new_val.c = 1;
old_val.c = 0;
@@ -95,8 +96,9 @@ static int sca_inject_ext_call(struct kvm_vcpu *vcpu, int src_id)
struct bsca_block *sca = vcpu->kvm->arch.sca;
union bsca_sigp_ctrl *sigp_ctrl =
&(sca->cpu[vcpu->vcpu_id].sigp_ctrl);
- union bsca_sigp_ctrl new_val = {0}, old_val = *sigp_ctrl;
+ union bsca_sigp_ctrl new_val = {0}, old_val;
+ old_val = READ_ONCE(*sigp_ctrl);
new_val.scn = src_id;
new_val.c = 1;
old_val.c = 0;
@@ -126,16 +128,18 @@ static void sca_clear_ext_call(struct kvm_vcpu *vcpu)
struct esca_block *sca = vcpu->kvm->arch.sca;
union esca_sigp_ctrl *sigp_ctrl =
&(sca->cpu[vcpu->vcpu_id].sigp_ctrl);
- union esca_sigp_ctrl old = *sigp_ctrl;
+ union esca_sigp_ctrl old;
+ old = READ_ONCE(*sigp_ctrl);
expect = old.value;
rc = cmpxchg(&sigp_ctrl->value, old.value, 0);
} else {
struct bsca_block *sca = vcpu->kvm->arch.sca;
union bsca_sigp_ctrl *sigp_ctrl =
&(sca->cpu[vcpu->vcpu_id].sigp_ctrl);
- union bsca_sigp_ctrl old = *sigp_ctrl;
+ union bsca_sigp_ctrl old;
+ old = READ_ONCE(*sigp_ctrl);
expect = old.value;
rc = cmpxchg(&sigp_ctrl->value, old.value, 0);
}
diff --git a/arch/sh/include/asm/pgtable-3level.h b/arch/sh/include/asm/pgtable-3level.h
index a889a3a938ba..d1ce73f3bd85 100644
--- a/arch/sh/include/asm/pgtable-3level.h
+++ b/arch/sh/include/asm/pgtable-3level.h
@@ -28,7 +28,7 @@
#define pmd_ERROR(e) \
printk("%s:%d: bad pmd %016llx.\n", __FILE__, __LINE__, pmd_val(e))
-typedef struct {
+typedef union {
struct {
unsigned long pmd_low;
unsigned long pmd_high;
diff --git a/arch/x86/boot/bioscall.S b/arch/x86/boot/bioscall.S
index 5521ea12f44e..aa9b96457584 100644
--- a/arch/x86/boot/bioscall.S
+++ b/arch/x86/boot/bioscall.S
@@ -32,7 +32,7 @@ intcall:
movw %dx, %si
movw %sp, %di
movw $11, %cx
- rep; movsd
+ rep; movsl
/* Pop full state from the stack */
popal
@@ -67,7 +67,7 @@ intcall:
jz 4f
movw %sp, %si
movw $11, %cx
- rep; movsd
+ rep; movsl
4: addw $44, %sp
/* Restore state and return */
diff --git a/arch/x86/events/intel/cstate.c b/arch/x86/events/intel/cstate.c
index a2834bc93149..3019fb1926e3 100644
--- a/arch/x86/events/intel/cstate.c
+++ b/arch/x86/events/intel/cstate.c
@@ -41,6 +41,7 @@
* MSR_CORE_C1_RES: CORE C1 Residency Counter
* perf code: 0x00
* Available model: SLM,AMT,GLM,CNL,ICX,TNT,ADL,RPL
+ * MTL
* Scope: Core (each processor core has a MSR)
* MSR_CORE_C3_RESIDENCY: CORE C3 Residency Counter
* perf code: 0x01
@@ -51,50 +52,50 @@
* perf code: 0x02
* Available model: SLM,AMT,NHM,WSM,SNB,IVB,HSW,BDW,
* SKL,KNL,GLM,CNL,KBL,CML,ICL,ICX,
- * TGL,TNT,RKL,ADL,RPL,SPR
+ * TGL,TNT,RKL,ADL,RPL,SPR,MTL
* Scope: Core
* MSR_CORE_C7_RESIDENCY: CORE C7 Residency Counter
* perf code: 0x03
* Available model: SNB,IVB,HSW,BDW,SKL,CNL,KBL,CML,
- * ICL,TGL,RKL,ADL,RPL
+ * ICL,TGL,RKL,ADL,RPL,MTL
* Scope: Core
* MSR_PKG_C2_RESIDENCY: Package C2 Residency Counter.
* perf code: 0x00
* Available model: SNB,IVB,HSW,BDW,SKL,KNL,GLM,CNL,
* KBL,CML,ICL,ICX,TGL,TNT,RKL,ADL,
- * RPL,SPR
+ * RPL,SPR,MTL
* Scope: Package (physical package)
* MSR_PKG_C3_RESIDENCY: Package C3 Residency Counter.
* perf code: 0x01
* Available model: NHM,WSM,SNB,IVB,HSW,BDW,SKL,KNL,
* GLM,CNL,KBL,CML,ICL,TGL,TNT,RKL,
- * ADL,RPL
+ * ADL,RPL,MTL
* Scope: Package (physical package)
* MSR_PKG_C6_RESIDENCY: Package C6 Residency Counter.
* perf code: 0x02
* Available model: SLM,AMT,NHM,WSM,SNB,IVB,HSW,BDW,
* SKL,KNL,GLM,CNL,KBL,CML,ICL,ICX,
- * TGL,TNT,RKL,ADL,RPL,SPR
+ * TGL,TNT,RKL,ADL,RPL,SPR,MTL
* Scope: Package (physical package)
* MSR_PKG_C7_RESIDENCY: Package C7 Residency Counter.
* perf code: 0x03
* Available model: NHM,WSM,SNB,IVB,HSW,BDW,SKL,CNL,
- * KBL,CML,ICL,TGL,RKL,ADL,RPL
+ * KBL,CML,ICL,TGL,RKL,ADL,RPL,MTL
* Scope: Package (physical package)
* MSR_PKG_C8_RESIDENCY: Package C8 Residency Counter.
* perf code: 0x04
* Available model: HSW ULT,KBL,CNL,CML,ICL,TGL,RKL,
- * ADL,RPL
+ * ADL,RPL,MTL
* Scope: Package (physical package)
* MSR_PKG_C9_RESIDENCY: Package C9 Residency Counter.
* perf code: 0x05
* Available model: HSW ULT,KBL,CNL,CML,ICL,TGL,RKL,
- * ADL,RPL
+ * ADL,RPL,MTL
* Scope: Package (physical package)
* MSR_PKG_C10_RESIDENCY: Package C10 Residency Counter.
* perf code: 0x06
* Available model: HSW ULT,KBL,GLM,CNL,CML,ICL,TGL,
- * TNT,RKL,ADL,RPL
+ * TNT,RKL,ADL,RPL,MTL
* Scope: Package (physical package)
*
*/
@@ -686,6 +687,8 @@ static const struct x86_cpu_id intel_cstates_match[] __initconst = {
X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE, &adl_cstates),
X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE_P, &adl_cstates),
X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE_S, &adl_cstates),
+ X86_MATCH_INTEL_FAM6_MODEL(METEORLAKE, &adl_cstates),
+ X86_MATCH_INTEL_FAM6_MODEL(METEORLAKE_L, &adl_cstates),
{ },
};
MODULE_DEVICE_TABLE(x86cpu, intel_cstates_match);
diff --git a/arch/x86/events/intel/uncore.c b/arch/x86/events/intel/uncore.c
index 6f1ccc57a692..459b1aafd4d4 100644
--- a/arch/x86/events/intel/uncore.c
+++ b/arch/x86/events/intel/uncore.c
@@ -1833,6 +1833,7 @@ static const struct x86_cpu_id intel_uncore_match[] __initconst = {
X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE_P, &adl_uncore_init),
X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE_S, &adl_uncore_init),
X86_MATCH_INTEL_FAM6_MODEL(SAPPHIRERAPIDS_X, &spr_uncore_init),
+ X86_MATCH_INTEL_FAM6_MODEL(EMERALDRAPIDS_X, &spr_uncore_init),
X86_MATCH_INTEL_FAM6_MODEL(ATOM_TREMONT_D, &snr_uncore_init),
{},
};
diff --git a/arch/x86/events/msr.c b/arch/x86/events/msr.c
index ecced3a52668..c65d8906cbcf 100644
--- a/arch/x86/events/msr.c
+++ b/arch/x86/events/msr.c
@@ -69,6 +69,7 @@ static bool test_intel(int idx, void *data)
case INTEL_FAM6_BROADWELL_G:
case INTEL_FAM6_BROADWELL_X:
case INTEL_FAM6_SAPPHIRERAPIDS_X:
+ case INTEL_FAM6_EMERALDRAPIDS_X:
case INTEL_FAM6_ATOM_SILVERMONT:
case INTEL_FAM6_ATOM_SILVERMONT_D:
@@ -107,6 +108,8 @@ static bool test_intel(int idx, void *data)
case INTEL_FAM6_RAPTORLAKE:
case INTEL_FAM6_RAPTORLAKE_P:
case INTEL_FAM6_RAPTORLAKE_S:
+ case INTEL_FAM6_METEORLAKE:
+ case INTEL_FAM6_METEORLAKE_L:
if (idx == PERF_MSR_SMI || idx == PERF_MSR_PPERF)
return true;
break;
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index f35f1ff4427b..6aaae18f1854 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -1111,6 +1111,7 @@ struct msr_bitmap_range {
/* Xen emulation context */
struct kvm_xen {
+ struct mutex xen_lock;
u32 xen_version;
bool long_mode;
bool runstate_update_flag;
diff --git a/arch/x86/kernel/cpu/resctrl/monitor.c b/arch/x86/kernel/cpu/resctrl/monitor.c
index efe0c30d3a12..77538abeb72a 100644
--- a/arch/x86/kernel/cpu/resctrl/monitor.c
+++ b/arch/x86/kernel/cpu/resctrl/monitor.c
@@ -146,6 +146,30 @@ static inline struct rmid_entry *__rmid_entry(u32 rmid)
return entry;
}
+static int __rmid_read(u32 rmid, enum resctrl_event_id eventid, u64 *val)
+{
+ u64 msr_val;
+
+ /*
+ * As per the SDM, when IA32_QM_EVTSEL.EvtID (bits 7:0) is configured
+ * with a valid event code for supported resource type and the bits
+ * IA32_QM_EVTSEL.RMID (bits 41:32) are configured with valid RMID,
+ * IA32_QM_CTR.data (bits 61:0) reports the monitored data.
+ * IA32_QM_CTR.Error (bit 63) and IA32_QM_CTR.Unavailable (bit 62)
+ * are error bits.
+ */
+ wrmsr(MSR_IA32_QM_EVTSEL, eventid, rmid);
+ rdmsrl(MSR_IA32_QM_CTR, msr_val);
+
+ if (msr_val & RMID_VAL_ERROR)
+ return -EIO;
+ if (msr_val & RMID_VAL_UNAVAIL)
+ return -EINVAL;
+
+ *val = msr_val;
+ return 0;
+}
+
static struct arch_mbm_state *get_arch_mbm_state(struct rdt_hw_domain *hw_dom,
u32 rmid,
enum resctrl_event_id eventid)
@@ -172,8 +196,12 @@ void resctrl_arch_reset_rmid(struct rdt_resource *r, struct rdt_domain *d,
struct arch_mbm_state *am;
am = get_arch_mbm_state(hw_dom, rmid, eventid);
- if (am)
+ if (am) {
memset(am, 0, sizeof(*am));
+
+ /* Record any initial, non-zero count value. */
+ __rmid_read(rmid, eventid, &am->prev_msr);
+ }
}
static u64 mbm_overflow_count(u64 prev_msr, u64 cur_msr, unsigned int width)
@@ -191,25 +219,14 @@ int resctrl_arch_rmid_read(struct rdt_resource *r, struct rdt_domain *d,
struct rdt_hw_domain *hw_dom = resctrl_to_arch_dom(d);
struct arch_mbm_state *am;
u64 msr_val, chunks;
+ int ret;
if (!cpumask_test_cpu(smp_processor_id(), &d->cpu_mask))
return -EINVAL;
- /*
- * As per the SDM, when IA32_QM_EVTSEL.EvtID (bits 7:0) is configured
- * with a valid event code for supported resource type and the bits
- * IA32_QM_EVTSEL.RMID (bits 41:32) are configured with valid RMID,
- * IA32_QM_CTR.data (bits 61:0) reports the monitored data.
- * IA32_QM_CTR.Error (bit 63) and IA32_QM_CTR.Unavailable (bit 62)
- * are error bits.
- */
- wrmsr(MSR_IA32_QM_EVTSEL, eventid, rmid);
- rdmsrl(MSR_IA32_QM_CTR, msr_val);
-
- if (msr_val & RMID_VAL_ERROR)
- return -EIO;
- if (msr_val & RMID_VAL_UNAVAIL)
- return -EINVAL;
+ ret = __rmid_read(rmid, eventid, &msr_val);
+ if (ret)
+ return ret;
am = get_arch_mbm_state(hw_dom, rmid, eventid);
if (am) {
diff --git a/arch/x86/kernel/cpu/resctrl/rdtgroup.c b/arch/x86/kernel/cpu/resctrl/rdtgroup.c
index e5a48f05e787..5993da21d822 100644
--- a/arch/x86/kernel/cpu/resctrl/rdtgroup.c
+++ b/arch/x86/kernel/cpu/resctrl/rdtgroup.c
@@ -580,8 +580,10 @@ static int __rdtgroup_move_task(struct task_struct *tsk,
/*
* Ensure the task's closid and rmid are written before determining if
* the task is current that will decide if it will be interrupted.
+ * This pairs with the full barrier between the rq->curr update and
+ * resctrl_sched_in() during context switch.
*/
- barrier();
+ smp_mb();
/*
* By now, the task's closid and rmid are set. If the task is current
@@ -2402,6 +2404,14 @@ static void rdt_move_group_tasks(struct rdtgroup *from, struct rdtgroup *to,
WRITE_ONCE(t->rmid, to->mon.rmid);
/*
+ * Order the closid/rmid stores above before the loads
+ * in task_curr(). This pairs with the full barrier
+ * between the rq->curr update and resctrl_sched_in()
+ * during context switch.
+ */
+ smp_mb();
+
+ /*
* If the task is on a CPU, set the CPU in the mask.
* The detection is inaccurate as tasks might move or
* schedule before the smp function call takes place.
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index b14653b61470..596061c1610e 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -770,16 +770,22 @@ struct kvm_cpuid_array {
int nent;
};
+static struct kvm_cpuid_entry2 *get_next_cpuid(struct kvm_cpuid_array *array)
+{
+ if (array->nent >= array->maxnent)
+ return NULL;
+
+ return &array->entries[array->nent++];
+}
+
static struct kvm_cpuid_entry2 *do_host_cpuid(struct kvm_cpuid_array *array,
u32 function, u32 index)
{
- struct kvm_cpuid_entry2 *entry;
+ struct kvm_cpuid_entry2 *entry = get_next_cpuid(array);
- if (array->nent >= array->maxnent)
+ if (!entry)
return NULL;
- entry = &array->entries[array->nent++];
-
memset(entry, 0, sizeof(*entry));
entry->function = function;
entry->index = index;
@@ -956,22 +962,13 @@ static inline int __do_cpuid_func(struct kvm_cpuid_array *array, u32 function)
entry->edx = edx.full;
break;
}
- /*
- * Per Intel's SDM, the 0x1f is a superset of 0xb,
- * thus they can be handled by common code.
- */
case 0x1f:
case 0xb:
/*
- * Populate entries until the level type (ECX[15:8]) of the
- * previous entry is zero. Note, CPUID EAX.{0x1f,0xb}.0 is
- * the starting entry, filled by the primary do_host_cpuid().
+ * No topology; a valid topology is indicated by the presence
+ * of subleaf 1.
*/
- for (i = 1; entry->ecx & 0xff00; ++i) {
- entry = do_host_cpuid(array, function, i);
- if (!entry)
- goto out;
- }
+ entry->eax = entry->ebx = entry->ecx = 0;
break;
case 0xd: {
u64 permitted_xcr0 = kvm_caps.supported_xcr0 & xstate_get_guest_group_perm();
@@ -1202,6 +1199,9 @@ static inline int __do_cpuid_func(struct kvm_cpuid_array *array, u32 function)
entry->ebx = entry->ecx = entry->edx = 0;
break;
case 0x8000001e:
+ /* Do not return host topology information. */
+ entry->eax = entry->ebx = entry->ecx = 0;
+ entry->edx = 0; /* reserved */
break;
case 0x8000001F:
if (!kvm_cpu_cap_has(X86_FEATURE_SEV)) {
diff --git a/arch/x86/kvm/svm/nested.c b/arch/x86/kvm/svm/nested.c
index bc9cd7086fa9..add65dd59756 100644
--- a/arch/x86/kvm/svm/nested.c
+++ b/arch/x86/kvm/svm/nested.c
@@ -138,15 +138,13 @@ void recalc_intercepts(struct vcpu_svm *svm)
c->intercepts[i] = h->intercepts[i];
if (g->int_ctl & V_INTR_MASKING_MASK) {
- /* We only want the cr8 intercept bits of L1 */
- vmcb_clr_intercept(c, INTERCEPT_CR8_READ);
- vmcb_clr_intercept(c, INTERCEPT_CR8_WRITE);
-
/*
- * Once running L2 with HF_VINTR_MASK, EFLAGS.IF does not
- * affect any interrupt we may want to inject; therefore,
- * interrupt window vmexits are irrelevant to L0.
+ * Once running L2 with HF_VINTR_MASK, EFLAGS.IF and CR8
+ * does not affect any interrupt we may want to inject;
+ * therefore, writes to CR8 are irrelevant to L0, as are
+ * interrupt window vmexits.
*/
+ vmcb_clr_intercept(c, INTERCEPT_CR8_WRITE);
vmcb_clr_intercept(c, INTERCEPT_VINTR);
}
diff --git a/arch/x86/kvm/xen.c b/arch/x86/kvm/xen.c
index 2e29bdc2949c..8fd41f5deae3 100644
--- a/arch/x86/kvm/xen.c
+++ b/arch/x86/kvm/xen.c
@@ -271,7 +271,15 @@ static void kvm_xen_update_runstate_guest(struct kvm_vcpu *v, bool atomic)
* Attempt to obtain the GPC lock on *both* (if there are two)
* gfn_to_pfn caches that cover the region.
*/
- read_lock_irqsave(&gpc1->lock, flags);
+ if (atomic) {
+ local_irq_save(flags);
+ if (!read_trylock(&gpc1->lock)) {
+ local_irq_restore(flags);
+ return;
+ }
+ } else {
+ read_lock_irqsave(&gpc1->lock, flags);
+ }
while (!kvm_gpc_check(gpc1, user_len1)) {
read_unlock_irqrestore(&gpc1->lock, flags);
@@ -304,9 +312,18 @@ static void kvm_xen_update_runstate_guest(struct kvm_vcpu *v, bool atomic)
* The guest's runstate_info is split across two pages and we
* need to hold and validate both GPCs simultaneously. We can
* declare a lock ordering GPC1 > GPC2 because nothing else
- * takes them more than one at a time.
+ * takes them more than one at a time. Set a subclass on the
+ * gpc1 lock to make lockdep shut up about it.
*/
- read_lock(&gpc2->lock);
+ lock_set_subclass(&gpc1->lock.dep_map, 1, _THIS_IP_);
+ if (atomic) {
+ if (!read_trylock(&gpc2->lock)) {
+ read_unlock_irqrestore(&gpc1->lock, flags);
+ return;
+ }
+ } else {
+ read_lock(&gpc2->lock);
+ }
if (!kvm_gpc_check(gpc2, user_len2)) {
read_unlock(&gpc2->lock);
@@ -590,26 +607,26 @@ int kvm_xen_hvm_set_attr(struct kvm *kvm, struct kvm_xen_hvm_attr *data)
if (!IS_ENABLED(CONFIG_64BIT) && data->u.long_mode) {
r = -EINVAL;
} else {
- mutex_lock(&kvm->lock);
+ mutex_lock(&kvm->arch.xen.xen_lock);
kvm->arch.xen.long_mode = !!data->u.long_mode;
- mutex_unlock(&kvm->lock);
+ mutex_unlock(&kvm->arch.xen.xen_lock);
r = 0;
}
break;
case KVM_XEN_ATTR_TYPE_SHARED_INFO:
- mutex_lock(&kvm->lock);
+ mutex_lock(&kvm->arch.xen.xen_lock);
r = kvm_xen_shared_info_init(kvm, data->u.shared_info.gfn);
- mutex_unlock(&kvm->lock);
+ mutex_unlock(&kvm->arch.xen.xen_lock);
break;
case KVM_XEN_ATTR_TYPE_UPCALL_VECTOR:
if (data->u.vector && data->u.vector < 0x10)
r = -EINVAL;
else {
- mutex_lock(&kvm->lock);
+ mutex_lock(&kvm->arch.xen.xen_lock);
kvm->arch.xen.upcall_vector = data->u.vector;
- mutex_unlock(&kvm->lock);
+ mutex_unlock(&kvm->arch.xen.xen_lock);
r = 0;
}
break;
@@ -619,9 +636,9 @@ int kvm_xen_hvm_set_attr(struct kvm *kvm, struct kvm_xen_hvm_attr *data)
break;
case KVM_XEN_ATTR_TYPE_XEN_VERSION:
- mutex_lock(&kvm->lock);
+ mutex_lock(&kvm->arch.xen.xen_lock);
kvm->arch.xen.xen_version = data->u.xen_version;
- mutex_unlock(&kvm->lock);
+ mutex_unlock(&kvm->arch.xen.xen_lock);
r = 0;
break;
@@ -630,9 +647,9 @@ int kvm_xen_hvm_set_attr(struct kvm *kvm, struct kvm_xen_hvm_attr *data)
r = -EOPNOTSUPP;
break;
}
- mutex_lock(&kvm->lock);
+ mutex_lock(&kvm->arch.xen.xen_lock);
kvm->arch.xen.runstate_update_flag = !!data->u.runstate_update_flag;
- mutex_unlock(&kvm->lock);
+ mutex_unlock(&kvm->arch.xen.xen_lock);
r = 0;
break;
@@ -647,7 +664,7 @@ int kvm_xen_hvm_get_attr(struct kvm *kvm, struct kvm_xen_hvm_attr *data)
{
int r = -ENOENT;
- mutex_lock(&kvm->lock);
+ mutex_lock(&kvm->arch.xen.xen_lock);
switch (data->type) {
case KVM_XEN_ATTR_TYPE_LONG_MODE:
@@ -686,7 +703,7 @@ int kvm_xen_hvm_get_attr(struct kvm *kvm, struct kvm_xen_hvm_attr *data)
break;
}
- mutex_unlock(&kvm->lock);
+ mutex_unlock(&kvm->arch.xen.xen_lock);
return r;
}
@@ -694,7 +711,7 @@ int kvm_xen_vcpu_set_attr(struct kvm_vcpu *vcpu, struct kvm_xen_vcpu_attr *data)
{
int idx, r = -ENOENT;
- mutex_lock(&vcpu->kvm->lock);
+ mutex_lock(&vcpu->kvm->arch.xen.xen_lock);
idx = srcu_read_lock(&vcpu->kvm->srcu);
switch (data->type) {
@@ -922,7 +939,7 @@ int kvm_xen_vcpu_set_attr(struct kvm_vcpu *vcpu, struct kvm_xen_vcpu_attr *data)
}
srcu_read_unlock(&vcpu->kvm->srcu, idx);
- mutex_unlock(&vcpu->kvm->lock);
+ mutex_unlock(&vcpu->kvm->arch.xen.xen_lock);
return r;
}
@@ -930,7 +947,7 @@ int kvm_xen_vcpu_get_attr(struct kvm_vcpu *vcpu, struct kvm_xen_vcpu_attr *data)
{
int r = -ENOENT;
- mutex_lock(&vcpu->kvm->lock);
+ mutex_lock(&vcpu->kvm->arch.xen.xen_lock);
switch (data->type) {
case KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO:
@@ -1013,7 +1030,7 @@ int kvm_xen_vcpu_get_attr(struct kvm_vcpu *vcpu, struct kvm_xen_vcpu_attr *data)
break;
}
- mutex_unlock(&vcpu->kvm->lock);
+ mutex_unlock(&vcpu->kvm->arch.xen.xen_lock);
return r;
}
@@ -1106,7 +1123,7 @@ int kvm_xen_hvm_config(struct kvm *kvm, struct kvm_xen_hvm_config *xhc)
xhc->blob_size_32 || xhc->blob_size_64))
return -EINVAL;
- mutex_lock(&kvm->lock);
+ mutex_lock(&kvm->arch.xen.xen_lock);
if (xhc->msr && !kvm->arch.xen_hvm_config.msr)
static_branch_inc(&kvm_xen_enabled.key);
@@ -1115,7 +1132,7 @@ int kvm_xen_hvm_config(struct kvm *kvm, struct kvm_xen_hvm_config *xhc)
memcpy(&kvm->arch.xen_hvm_config, xhc, sizeof(*xhc));
- mutex_unlock(&kvm->lock);
+ mutex_unlock(&kvm->arch.xen.xen_lock);
return 0;
}
@@ -1658,15 +1675,7 @@ static int kvm_xen_set_evtchn(struct kvm_xen_evtchn *xe, struct kvm *kvm)
mm_borrowed = true;
}
- /*
- * For the irqfd workqueue, using the main kvm->lock mutex is
- * fine since this function is invoked from kvm_set_irq() with
- * no other lock held, no srcu. In future if it will be called
- * directly from a vCPU thread (e.g. on hypercall for an IPI)
- * then it may need to switch to using a leaf-node mutex for
- * serializing the shared_info mapping.
- */
- mutex_lock(&kvm->lock);
+ mutex_lock(&kvm->arch.xen.xen_lock);
/*
* It is theoretically possible for the page to be unmapped
@@ -1695,7 +1704,7 @@ static int kvm_xen_set_evtchn(struct kvm_xen_evtchn *xe, struct kvm *kvm)
srcu_read_unlock(&kvm->srcu, idx);
} while(!rc);
- mutex_unlock(&kvm->lock);
+ mutex_unlock(&kvm->arch.xen.xen_lock);
if (mm_borrowed)
kthread_unuse_mm(kvm->mm);
@@ -1811,7 +1820,7 @@ static int kvm_xen_eventfd_update(struct kvm *kvm,
int ret;
/* Protect writes to evtchnfd as well as the idr lookup. */
- mutex_lock(&kvm->lock);
+ mutex_lock(&kvm->arch.xen.xen_lock);
evtchnfd = idr_find(&kvm->arch.xen.evtchn_ports, port);
ret = -ENOENT;
@@ -1842,7 +1851,7 @@ static int kvm_xen_eventfd_update(struct kvm *kvm,
}
ret = 0;
out_unlock:
- mutex_unlock(&kvm->lock);
+ mutex_unlock(&kvm->arch.xen.xen_lock);
return ret;
}
@@ -1905,10 +1914,10 @@ static int kvm_xen_eventfd_assign(struct kvm *kvm,
evtchnfd->deliver.port.priority = data->u.evtchn.deliver.port.priority;
}
- mutex_lock(&kvm->lock);
+ mutex_lock(&kvm->arch.xen.xen_lock);
ret = idr_alloc(&kvm->arch.xen.evtchn_ports, evtchnfd, port, port + 1,
GFP_KERNEL);
- mutex_unlock(&kvm->lock);
+ mutex_unlock(&kvm->arch.xen.xen_lock);
if (ret >= 0)
return 0;
@@ -1926,9 +1935,9 @@ static int kvm_xen_eventfd_deassign(struct kvm *kvm, u32 port)
{
struct evtchnfd *evtchnfd;
- mutex_lock(&kvm->lock);
+ mutex_lock(&kvm->arch.xen.xen_lock);
evtchnfd = idr_remove(&kvm->arch.xen.evtchn_ports, port);
- mutex_unlock(&kvm->lock);
+ mutex_unlock(&kvm->arch.xen.xen_lock);
if (!evtchnfd)
return -ENOENT;
@@ -1946,7 +1955,7 @@ static int kvm_xen_eventfd_reset(struct kvm *kvm)
int i;
int n = 0;
- mutex_lock(&kvm->lock);
+ mutex_lock(&kvm->arch.xen.xen_lock);
/*
* Because synchronize_srcu() cannot be called inside the
@@ -1958,7 +1967,7 @@ static int kvm_xen_eventfd_reset(struct kvm *kvm)
all_evtchnfds = kmalloc_array(n, sizeof(struct evtchnfd *), GFP_KERNEL);
if (!all_evtchnfds) {
- mutex_unlock(&kvm->lock);
+ mutex_unlock(&kvm->arch.xen.xen_lock);
return -ENOMEM;
}
@@ -1967,7 +1976,7 @@ static int kvm_xen_eventfd_reset(struct kvm *kvm)
all_evtchnfds[n++] = evtchnfd;
idr_remove(&kvm->arch.xen.evtchn_ports, evtchnfd->send_port);
}
- mutex_unlock(&kvm->lock);
+ mutex_unlock(&kvm->arch.xen.xen_lock);
synchronize_srcu(&kvm->srcu);
@@ -2069,6 +2078,7 @@ void kvm_xen_destroy_vcpu(struct kvm_vcpu *vcpu)
void kvm_xen_init_vm(struct kvm *kvm)
{
+ mutex_init(&kvm->arch.xen.xen_lock);
idr_init(&kvm->arch.xen.evtchn_ports);
kvm_gpc_init(&kvm->arch.xen.shinfo_cache, kvm, NULL, KVM_HOST_USES_PFN);
}
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index d3987359d441..cb258f58fdc8 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -26,6 +26,7 @@
#include <asm/pti.h>
#include <asm/text-patching.h>
#include <asm/memtype.h>
+#include <asm/paravirt.h>
/*
* We need to define the tracepoints somewhere, and tlb.c
@@ -804,6 +805,9 @@ void __init poking_init(void)
poking_mm = mm_alloc();
BUG_ON(!poking_mm);
+ /* Xen PV guests need the PGD to be pinned. */
+ paravirt_arch_dup_mmap(NULL, poking_mm);
+
/*
* Randomize the poking address, but make sure that the following page
* will be mapped at the same PMD. We need 2 pages, so find space for 3,
diff --git a/arch/x86/mm/pat/memtype.c b/arch/x86/mm/pat/memtype.c
index 46de9cf5c91d..fb4b1b5e0dea 100644
--- a/arch/x86/mm/pat/memtype.c
+++ b/arch/x86/mm/pat/memtype.c
@@ -387,7 +387,8 @@ static unsigned long pat_x_mtrr_type(u64 start, u64 end,
u8 mtrr_type, uniform;
mtrr_type = mtrr_type_lookup(start, end, &uniform);
- if (mtrr_type != MTRR_TYPE_WRBACK)
+ if (mtrr_type != MTRR_TYPE_WRBACK &&
+ mtrr_type != MTRR_TYPE_INVALID)
return _PAGE_CACHE_MODE_UC_MINUS;
return _PAGE_CACHE_MODE_WB;
diff --git a/arch/x86/pci/mmconfig-shared.c b/arch/x86/pci/mmconfig-shared.c
index 758cbfe55daa..4b3efaa82ab7 100644
--- a/arch/x86/pci/mmconfig-shared.c
+++ b/arch/x86/pci/mmconfig-shared.c
@@ -12,6 +12,7 @@
*/
#include <linux/acpi.h>
+#include <linux/efi.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/bitmap.h>
@@ -442,17 +443,42 @@ static bool is_acpi_reserved(u64 start, u64 end, enum e820_type not_used)
return mcfg_res.flags;
}
+static bool is_efi_mmio(u64 start, u64 end, enum e820_type not_used)
+{
+#ifdef CONFIG_EFI
+ efi_memory_desc_t *md;
+ u64 size, mmio_start, mmio_end;
+
+ for_each_efi_memory_desc(md) {
+ if (md->type == EFI_MEMORY_MAPPED_IO) {
+ size = md->num_pages << EFI_PAGE_SHIFT;
+ mmio_start = md->phys_addr;
+ mmio_end = mmio_start + size;
+
+ /*
+ * N.B. Caller supplies (start, start + size),
+ * so to match, mmio_end is the first address
+ * *past* the EFI_MEMORY_MAPPED_IO area.
+ */
+ if (mmio_start <= start && end <= mmio_end)
+ return true;
+ }
+ }
+#endif
+
+ return false;
+}
+
typedef bool (*check_reserved_t)(u64 start, u64 end, enum e820_type type);
static bool __ref is_mmconf_reserved(check_reserved_t is_reserved,
struct pci_mmcfg_region *cfg,
- struct device *dev, int with_e820)
+ struct device *dev, const char *method)
{
u64 addr = cfg->res.start;
u64 size = resource_size(&cfg->res);
u64 old_size = size;
int num_buses;
- char *method = with_e820 ? "E820" : "ACPI motherboard resources";
while (!is_reserved(addr, addr + size, E820_TYPE_RESERVED)) {
size >>= 1;
@@ -464,10 +490,10 @@ static bool __ref is_mmconf_reserved(check_reserved_t is_reserved,
return false;
if (dev)
- dev_info(dev, "MMCONFIG at %pR reserved in %s\n",
+ dev_info(dev, "MMCONFIG at %pR reserved as %s\n",
&cfg->res, method);
else
- pr_info(PREFIX "MMCONFIG at %pR reserved in %s\n",
+ pr_info(PREFIX "MMCONFIG at %pR reserved as %s\n",
&cfg->res, method);
if (old_size != size) {
@@ -500,7 +526,8 @@ static bool __ref
pci_mmcfg_check_reserved(struct device *dev, struct pci_mmcfg_region *cfg, int early)
{
if (!early && !acpi_disabled) {
- if (is_mmconf_reserved(is_acpi_reserved, cfg, dev, 0))
+ if (is_mmconf_reserved(is_acpi_reserved, cfg, dev,
+ "ACPI motherboard resource"))
return true;
if (dev)
@@ -513,6 +540,10 @@ pci_mmcfg_check_reserved(struct device *dev, struct pci_mmcfg_region *cfg, int e
"MMCONFIG at %pR not reserved in "
"ACPI motherboard resources\n",
&cfg->res);
+
+ if (is_mmconf_reserved(is_efi_mmio, cfg, dev,
+ "EfiMemoryMappedIO"))
+ return true;
}
/*
@@ -527,7 +558,8 @@ pci_mmcfg_check_reserved(struct device *dev, struct pci_mmcfg_region *cfg, int e
/* Don't try to do this check unless configuration
type 1 is available. how about type 2 ?*/
if (raw_pci_ops)
- return is_mmconf_reserved(e820__mapped_all, cfg, dev, 1);
+ return is_mmconf_reserved(e820__mapped_all, cfg, dev,
+ "E820 entry");
return false;
}
diff --git a/arch/x86/um/elfcore.c b/arch/x86/um/elfcore.c
index 48a3eb09d951..650cdbbdaf45 100644
--- a/arch/x86/um/elfcore.c
+++ b/arch/x86/um/elfcore.c
@@ -7,7 +7,7 @@
#include <asm/elf.h>
-Elf32_Half elf_core_extra_phdrs(void)
+Elf32_Half elf_core_extra_phdrs(struct coredump_params *cprm)
{
return vsyscall_ehdr ? (((struct elfhdr *)vsyscall_ehdr)->e_phnum) : 0;
}
@@ -60,7 +60,7 @@ int elf_core_write_extra_data(struct coredump_params *cprm)
return 1;
}
-size_t elf_core_extra_data_size(void)
+size_t elf_core_extra_data_size(struct coredump_params *cprm)
{
if ( vsyscall_ehdr ) {
const struct elfhdr *const ehdrp =
diff --git a/arch/x86/xen/p2m.c b/arch/x86/xen/p2m.c
index 58db86f7b384..9bdc3b656b2c 100644
--- a/arch/x86/xen/p2m.c
+++ b/arch/x86/xen/p2m.c
@@ -134,11 +134,6 @@ static inline unsigned p2m_mid_index(unsigned long pfn)
return (pfn / P2M_PER_PAGE) % P2M_MID_PER_PAGE;
}
-static inline unsigned p2m_index(unsigned long pfn)
-{
- return pfn % P2M_PER_PAGE;
-}
-
static void p2m_top_mfn_init(unsigned long *top)
{
unsigned i;
diff --git a/arch/xtensa/include/asm/processor.h b/arch/xtensa/include/asm/processor.h
index 228e4dff5fb2..a6d09fe04831 100644
--- a/arch/xtensa/include/asm/processor.h
+++ b/arch/xtensa/include/asm/processor.h
@@ -154,11 +154,6 @@ struct thread_struct {
unsigned long ra; /* kernel's a0: return address and window call size */
unsigned long sp; /* kernel's a1: stack pointer */
- /* struct xtensa_cpuinfo info; */
-
- unsigned long bad_vaddr; /* last user fault */
- unsigned long bad_uaddr; /* last kernel fault accessing user space */
- unsigned long error_code;
#ifdef CONFIG_HAVE_HW_BREAKPOINT
struct perf_event *ptrace_bp[XCHAL_NUM_IBREAK];
struct perf_event *ptrace_wp[XCHAL_NUM_DBREAK];
@@ -176,10 +171,6 @@ struct thread_struct {
{ \
ra: 0, \
sp: sizeof(init_stack) + (long) &init_stack, \
- /*info: {0}, */ \
- bad_vaddr: 0, \
- bad_uaddr: 0, \
- error_code: 0, \
}
diff --git a/arch/xtensa/kernel/traps.c b/arch/xtensa/kernel/traps.c
index 0c25e035ff10..cd98366a9b23 100644
--- a/arch/xtensa/kernel/traps.c
+++ b/arch/xtensa/kernel/traps.c
@@ -362,8 +362,6 @@ static void do_unaligned_user(struct pt_regs *regs)
__die_if_kernel("Unhandled unaligned exception in kernel",
regs, SIGKILL);
- current->thread.bad_vaddr = regs->excvaddr;
- current->thread.error_code = -3;
pr_info_ratelimited("Unaligned memory access to %08lx in '%s' "
"(pid = %d, pc = %#010lx)\n",
regs->excvaddr, current->comm,
diff --git a/arch/xtensa/mm/fault.c b/arch/xtensa/mm/fault.c
index 8c781b05c0bd..faf7cf35a0ee 100644
--- a/arch/xtensa/mm/fault.c
+++ b/arch/xtensa/mm/fault.c
@@ -206,8 +206,6 @@ good_area:
bad_area:
mmap_read_unlock(mm);
if (user_mode(regs)) {
- current->thread.bad_vaddr = address;
- current->thread.error_code = is_write;
force_sig_fault(SIGSEGV, code, (void *) address);
return;
}
@@ -232,7 +230,6 @@ do_sigbus:
/* Send a sigbus, regardless of whether we were in kernel
* or user mode.
*/
- current->thread.bad_vaddr = address;
force_sig_fault(SIGBUS, BUS_ADRERR, (void *) address);
/* Kernel mode? Handle exceptions or die */
@@ -252,7 +249,6 @@ bad_page_fault(struct pt_regs *regs, unsigned long address, int sig)
if ((entry = search_exception_tables(regs->pc)) != NULL) {
pr_debug("%s: Exception at pc=%#010lx (%lx)\n",
current->comm, regs->pc, entry->fixup);
- current->thread.bad_uaddr = address;
regs->pc = entry->fixup;
return;
}
diff --git a/block/blk-core.c b/block/blk-core.c
index 9321767470dc..b5098355d8b2 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -283,12 +283,9 @@ static void blk_free_queue(struct request_queue *q)
*
* Decrements the refcount of the request_queue and free it when the refcount
* reaches 0.
- *
- * Context: Can sleep.
*/
void blk_put_queue(struct request_queue *q)
{
- might_sleep();
if (refcount_dec_and_test(&q->refs))
blk_free_queue(q);
}
diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c
index 204fe94c7e45..a194f30876c5 100644
--- a/drivers/acpi/glue.c
+++ b/drivers/acpi/glue.c
@@ -75,7 +75,8 @@ static struct acpi_bus_type *acpi_get_bus_type(struct device *dev)
}
#define FIND_CHILD_MIN_SCORE 1
-#define FIND_CHILD_MAX_SCORE 2
+#define FIND_CHILD_MID_SCORE 2
+#define FIND_CHILD_MAX_SCORE 3
static int match_any(struct acpi_device *adev, void *not_used)
{
@@ -96,8 +97,17 @@ static int find_child_checks(struct acpi_device *adev, bool check_children)
return -ENODEV;
status = acpi_evaluate_integer(adev->handle, "_STA", NULL, &sta);
- if (status == AE_NOT_FOUND)
+ if (status == AE_NOT_FOUND) {
+ /*
+ * Special case: backlight device objects without _STA are
+ * preferred to other objects with the same _ADR value, because
+ * it is more likely that they are actually useful.
+ */
+ if (adev->pnp.type.backlight)
+ return FIND_CHILD_MID_SCORE;
+
return FIND_CHILD_MIN_SCORE;
+ }
if (ACPI_FAILURE(status) || !(sta & ACPI_STA_DEVICE_ENABLED))
return -ENODEV;
diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
index 16dcd31d124f..192d1784e409 100644
--- a/drivers/acpi/resource.c
+++ b/drivers/acpi/resource.c
@@ -433,6 +433,13 @@ static const struct dmi_system_id asus_laptop[] = {
},
},
{
+ .ident = "Asus ExpertBook B2402CBA",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+ DMI_MATCH(DMI_BOARD_NAME, "B2402CBA"),
+ },
+ },
+ {
.ident = "Asus ExpertBook B2502",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 274344434282..0c6f06abe3f4 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -1370,9 +1370,12 @@ static void acpi_set_pnp_ids(acpi_handle handle, struct acpi_device_pnp *pnp,
* Some devices don't reliably have _HIDs & _CIDs, so add
* synthetic HIDs to make sure drivers can find them.
*/
- if (acpi_is_video_device(handle))
+ if (acpi_is_video_device(handle)) {
acpi_add_id(pnp, ACPI_VIDEO_HID);
- else if (acpi_bay_match(handle))
+ pnp->type.backlight = 1;
+ break;
+ }
+ if (acpi_bay_match(handle))
acpi_add_id(pnp, ACPI_BAY_HID);
else if (acpi_dock_match(handle))
acpi_add_id(pnp, ACPI_DOCK_HID);
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index 1b78c7434492..8a541efc5675 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -50,6 +50,10 @@ static void acpi_video_parse_cmdline(void)
acpi_backlight_cmdline = acpi_backlight_video;
if (!strcmp("native", acpi_video_backlight_string))
acpi_backlight_cmdline = acpi_backlight_native;
+ if (!strcmp("nvidia_wmi_ec", acpi_video_backlight_string))
+ acpi_backlight_cmdline = acpi_backlight_nvidia_wmi_ec;
+ if (!strcmp("apple_gmux", acpi_video_backlight_string))
+ acpi_backlight_cmdline = acpi_backlight_apple_gmux;
if (!strcmp("none", acpi_video_backlight_string))
acpi_backlight_cmdline = acpi_backlight_none;
}
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index eceaec33af65..9695c4404e26 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -640,6 +640,7 @@ config PATA_CS5530
config PATA_CS5535
tristate "CS5535 PATA support (Experimental)"
depends on PCI && (X86_32 || (X86_64 && COMPILE_TEST))
+ depends on !UML
help
This option enables support for the NatSemi/AMD CS5535
companion chip used with the Geode processor family.
diff --git a/drivers/block/xen-blkback/xenbus.c b/drivers/block/xen-blkback/xenbus.c
index c0227dfa4688..4807af1d5805 100644
--- a/drivers/block/xen-blkback/xenbus.c
+++ b/drivers/block/xen-blkback/xenbus.c
@@ -524,7 +524,7 @@ static int xen_vbd_create(struct xen_blkif *blkif, blkif_vdev_t handle,
return 0;
}
-static int xen_blkbk_remove(struct xenbus_device *dev)
+static void xen_blkbk_remove(struct xenbus_device *dev)
{
struct backend_info *be = dev_get_drvdata(&dev->dev);
@@ -547,8 +547,6 @@ static int xen_blkbk_remove(struct xenbus_device *dev)
/* Put the reference we set in xen_blkif_alloc(). */
xen_blkif_put(be->blkif);
}
-
- return 0;
}
int xen_blkbk_flush_diskcache(struct xenbus_transaction xbt,
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index b28489290323..23ed258b57f0 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -2467,7 +2467,7 @@ static void blkback_changed(struct xenbus_device *dev,
}
}
-static int blkfront_remove(struct xenbus_device *xbdev)
+static void blkfront_remove(struct xenbus_device *xbdev)
{
struct blkfront_info *info = dev_get_drvdata(&xbdev->dev);
@@ -2488,7 +2488,6 @@ static int blkfront_remove(struct xenbus_device *xbdev)
}
kfree(info);
- return 0;
}
static int blkfront_is_ready(struct xenbus_device *dev)
diff --git a/drivers/char/tpm/xen-tpmfront.c b/drivers/char/tpm/xen-tpmfront.c
index 379291826261..80cca3b83b22 100644
--- a/drivers/char/tpm/xen-tpmfront.c
+++ b/drivers/char/tpm/xen-tpmfront.c
@@ -360,14 +360,13 @@ static int tpmfront_probe(struct xenbus_device *dev,
return tpm_chip_register(priv->chip);
}
-static int tpmfront_remove(struct xenbus_device *dev)
+static void tpmfront_remove(struct xenbus_device *dev)
{
struct tpm_chip *chip = dev_get_drvdata(&dev->dev);
struct tpm_private *priv = dev_get_drvdata(&chip->dev);
tpm_chip_unregister(chip);
ring_free(priv);
dev_set_drvdata(&chip->dev, NULL);
- return 0;
}
static int tpmfront_resume(struct xenbus_device *dev)
diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c
index 204e39006dda..c17bd845f5fc 100644
--- a/drivers/cpufreq/amd-pstate.c
+++ b/drivers/cpufreq/amd-pstate.c
@@ -307,6 +307,7 @@ static void amd_pstate_adjust_perf(unsigned int cpu,
max_perf = min_perf;
amd_pstate_update(cpudata, min_perf, des_perf, max_perf, true);
+ cpufreq_cpu_put(policy);
}
static int amd_get_min_freq(struct amd_cpudata *cpudata)
diff --git a/drivers/cpufreq/apple-soc-cpufreq.c b/drivers/cpufreq/apple-soc-cpufreq.c
index d1801281cdd9..c11d22fd84c3 100644
--- a/drivers/cpufreq/apple-soc-cpufreq.c
+++ b/drivers/cpufreq/apple-soc-cpufreq.c
@@ -280,6 +280,7 @@ static int apple_soc_cpufreq_init(struct cpufreq_policy *policy)
policy->cpuinfo.transition_latency = transition_latency;
policy->dvfs_possible_from_any_cpu = true;
policy->fast_switch_possible = true;
+ policy->suspend_freq = freq_table[0].frequency;
if (policy_has_boost_freq(policy)) {
ret = cpufreq_enable_boost_support();
@@ -321,7 +322,6 @@ static struct cpufreq_driver apple_soc_cpufreq_driver = {
.flags = CPUFREQ_HAVE_GOVERNOR_PER_POLICY |
CPUFREQ_NEED_INITIAL_FREQ_CHECK | CPUFREQ_IS_COOLING_DEV,
.verify = cpufreq_generic_frequency_table_verify,
- .attr = cpufreq_generic_attr,
.get = apple_soc_cpufreq_get_rate,
.init = apple_soc_cpufreq_init,
.exit = apple_soc_cpufreq_exit,
@@ -329,6 +329,7 @@ static struct cpufreq_driver apple_soc_cpufreq_driver = {
.fast_switch = apple_soc_cpufreq_fast_switch,
.register_em = cpufreq_register_em_with_opp,
.attr = apple_soc_cpufreq_hw_attr,
+ .suspend = cpufreq_generic_suspend,
};
static int __init apple_soc_cpufreq_module_init(void)
diff --git a/drivers/cpufreq/armada-37xx-cpufreq.c b/drivers/cpufreq/armada-37xx-cpufreq.c
index c10fc33b29b1..b74289a95a17 100644
--- a/drivers/cpufreq/armada-37xx-cpufreq.c
+++ b/drivers/cpufreq/armada-37xx-cpufreq.c
@@ -445,7 +445,7 @@ static int __init armada37xx_cpufreq_driver_init(void)
return -ENODEV;
}
- clk = clk_get(cpu_dev, 0);
+ clk = clk_get(cpu_dev, NULL);
if (IS_ERR(clk)) {
dev_err(cpu_dev, "Cannot get clock for CPU0\n");
return PTR_ERR(clk);
diff --git a/drivers/cpufreq/cppc_cpufreq.c b/drivers/cpufreq/cppc_cpufreq.c
index 432dfb4e8027..022e3555407c 100644
--- a/drivers/cpufreq/cppc_cpufreq.c
+++ b/drivers/cpufreq/cppc_cpufreq.c
@@ -487,7 +487,8 @@ static unsigned int get_perf_level_count(struct cpufreq_policy *policy)
cpu_data = policy->driver_data;
perf_caps = &cpu_data->perf_caps;
max_cap = arch_scale_cpu_capacity(cpu);
- min_cap = div_u64(max_cap * perf_caps->lowest_perf, perf_caps->highest_perf);
+ min_cap = div_u64((u64)max_cap * perf_caps->lowest_perf,
+ perf_caps->highest_perf);
if ((min_cap == 0) || (max_cap < min_cap))
return 0;
return 1 + max_cap / CPPC_EM_CAP_STEP - min_cap / CPPC_EM_CAP_STEP;
@@ -519,10 +520,10 @@ static int cppc_get_cpu_power(struct device *cpu_dev,
cpu_data = policy->driver_data;
perf_caps = &cpu_data->perf_caps;
max_cap = arch_scale_cpu_capacity(cpu_dev->id);
- min_cap = div_u64(max_cap * perf_caps->lowest_perf,
- perf_caps->highest_perf);
-
- perf_step = CPPC_EM_CAP_STEP * perf_caps->highest_perf / max_cap;
+ min_cap = div_u64((u64)max_cap * perf_caps->lowest_perf,
+ perf_caps->highest_perf);
+ perf_step = div_u64((u64)CPPC_EM_CAP_STEP * perf_caps->highest_perf,
+ max_cap);
min_step = min_cap / CPPC_EM_CAP_STEP;
max_step = max_cap / CPPC_EM_CAP_STEP;
diff --git a/drivers/cpufreq/cpufreq-dt-platdev.c b/drivers/cpufreq/cpufreq-dt-platdev.c
index 8ab672883043..e85703651098 100644
--- a/drivers/cpufreq/cpufreq-dt-platdev.c
+++ b/drivers/cpufreq/cpufreq-dt-platdev.c
@@ -137,6 +137,7 @@ static const struct of_device_id blocklist[] __initconst = {
{ .compatible = "nvidia,tegra30", },
{ .compatible = "nvidia,tegra124", },
{ .compatible = "nvidia,tegra210", },
+ { .compatible = "nvidia,tegra234", },
{ .compatible = "qcom,apq8096", },
{ .compatible = "qcom,msm8996", },
@@ -150,6 +151,7 @@ static const struct of_device_id blocklist[] __initconst = {
{ .compatible = "qcom,sdm845", },
{ .compatible = "qcom,sm6115", },
{ .compatible = "qcom,sm6350", },
+ { .compatible = "qcom,sm6375", },
{ .compatible = "qcom,sm8150", },
{ .compatible = "qcom,sm8250", },
{ .compatible = "qcom,sm8350", },
diff --git a/drivers/cpufreq/qcom-cpufreq-hw.c b/drivers/cpufreq/qcom-cpufreq-hw.c
index 340fed35e45d..9505a812d6a1 100644
--- a/drivers/cpufreq/qcom-cpufreq-hw.c
+++ b/drivers/cpufreq/qcom-cpufreq-hw.c
@@ -649,9 +649,10 @@ static int qcom_cpufreq_hw_driver_probe(struct platform_device *pdev)
{
struct clk_hw_onecell_data *clk_data;
struct device *dev = &pdev->dev;
+ struct device_node *soc_node;
struct device *cpu_dev;
struct clk *clk;
- int ret, i, num_domains;
+ int ret, i, num_domains, reg_sz;
clk = clk_get(dev, "xo");
if (IS_ERR(clk))
@@ -679,7 +680,21 @@ static int qcom_cpufreq_hw_driver_probe(struct platform_device *pdev)
return ret;
/* Allocate qcom_cpufreq_data based on the available frequency domains in DT */
- num_domains = of_property_count_elems_of_size(dev->of_node, "reg", sizeof(u32) * 4);
+ soc_node = of_get_parent(dev->of_node);
+ if (!soc_node)
+ return -EINVAL;
+
+ ret = of_property_read_u32(soc_node, "#address-cells", &reg_sz);
+ if (ret)
+ goto of_exit;
+
+ ret = of_property_read_u32(soc_node, "#size-cells", &i);
+ if (ret)
+ goto of_exit;
+
+ reg_sz += i;
+
+ num_domains = of_property_count_elems_of_size(dev->of_node, "reg", sizeof(u32) * reg_sz);
if (num_domains <= 0)
return num_domains;
@@ -743,6 +758,9 @@ static int qcom_cpufreq_hw_driver_probe(struct platform_device *pdev)
else
dev_dbg(dev, "QCOM CPUFreq HW driver initialized\n");
+of_exit:
+ of_node_put(soc_node);
+
return ret;
}
diff --git a/drivers/crypto/atmel-ecc.c b/drivers/crypto/atmel-ecc.c
index 53100fb9b07b..12205e2b53b4 100644
--- a/drivers/crypto/atmel-ecc.c
+++ b/drivers/crypto/atmel-ecc.c
@@ -3,7 +3,7 @@
* Microchip / Atmel ECC (I2C) driver.
*
* Copyright (c) 2017, Microchip Technology Inc.
- * Author: Tudor Ambarus <tudor.ambarus@microchip.com>
+ * Author: Tudor Ambarus
*/
#include <linux/delay.h>
@@ -411,6 +411,6 @@ static void __exit atmel_ecc_exit(void)
module_init(atmel_ecc_init);
module_exit(atmel_ecc_exit);
-MODULE_AUTHOR("Tudor Ambarus <tudor.ambarus@microchip.com>");
+MODULE_AUTHOR("Tudor Ambarus");
MODULE_DESCRIPTION("Microchip / Atmel ECC (I2C) driver");
MODULE_LICENSE("GPL v2");
diff --git a/drivers/crypto/atmel-i2c.c b/drivers/crypto/atmel-i2c.c
index 81ce09bedda8..55bff1e13142 100644
--- a/drivers/crypto/atmel-i2c.c
+++ b/drivers/crypto/atmel-i2c.c
@@ -3,7 +3,7 @@
* Microchip / Atmel ECC (I2C) driver.
*
* Copyright (c) 2017, Microchip Technology Inc.
- * Author: Tudor Ambarus <tudor.ambarus@microchip.com>
+ * Author: Tudor Ambarus
*/
#include <linux/bitrev.h>
@@ -390,6 +390,6 @@ static void __exit atmel_i2c_exit(void)
module_init(atmel_i2c_init);
module_exit(atmel_i2c_exit);
-MODULE_AUTHOR("Tudor Ambarus <tudor.ambarus@microchip.com>");
+MODULE_AUTHOR("Tudor Ambarus");
MODULE_DESCRIPTION("Microchip / Atmel ECC (I2C) driver");
MODULE_LICENSE("GPL v2");
diff --git a/drivers/crypto/atmel-i2c.h b/drivers/crypto/atmel-i2c.h
index 48929efe2a5b..35f7857a7f7c 100644
--- a/drivers/crypto/atmel-i2c.h
+++ b/drivers/crypto/atmel-i2c.h
@@ -1,7 +1,7 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2017, Microchip Technology Inc.
- * Author: Tudor Ambarus <tudor.ambarus@microchip.com>
+ * Author: Tudor Ambarus
*/
#ifndef __ATMEL_I2C_H__
diff --git a/drivers/edac/edac_device.c b/drivers/edac/edac_device.c
index 19522c568aa5..878deb4880cd 100644
--- a/drivers/edac/edac_device.c
+++ b/drivers/edac/edac_device.c
@@ -394,17 +394,16 @@ static void edac_device_workq_teardown(struct edac_device_ctl_info *edac_dev)
* Then restart the workq on the new delay
*/
void edac_device_reset_delay_period(struct edac_device_ctl_info *edac_dev,
- unsigned long value)
+ unsigned long msec)
{
- unsigned long jiffs = msecs_to_jiffies(value);
-
- if (value == 1000)
- jiffs = round_jiffies_relative(value);
-
- edac_dev->poll_msec = value;
- edac_dev->delay = jiffs;
+ edac_dev->poll_msec = msec;
+ edac_dev->delay = msecs_to_jiffies(msec);
- edac_mod_work(&edac_dev->work, jiffs);
+ /* See comment in edac_device_workq_setup() above */
+ if (edac_dev->poll_msec == 1000)
+ edac_mod_work(&edac_dev->work, round_jiffies_relative(edac_dev->delay));
+ else
+ edac_mod_work(&edac_dev->work, edac_dev->delay);
}
int edac_device_alloc_index(void)
diff --git a/drivers/edac/edac_module.h b/drivers/edac/edac_module.h
index 763c076d96f2..47593afdc234 100644
--- a/drivers/edac/edac_module.h
+++ b/drivers/edac/edac_module.h
@@ -53,7 +53,7 @@ bool edac_stop_work(struct delayed_work *work);
bool edac_mod_work(struct delayed_work *work, unsigned long delay);
extern void edac_device_reset_delay_period(struct edac_device_ctl_info
- *edac_dev, unsigned long value);
+ *edac_dev, unsigned long msec);
extern void edac_mc_reset_delay_period(unsigned long value);
/*
diff --git a/drivers/edac/highbank_mc_edac.c b/drivers/edac/highbank_mc_edac.c
index 61b76ec226af..19fba258ae10 100644
--- a/drivers/edac/highbank_mc_edac.c
+++ b/drivers/edac/highbank_mc_edac.c
@@ -174,8 +174,10 @@ static int highbank_mc_probe(struct platform_device *pdev)
drvdata = mci->pvt_info;
platform_set_drvdata(pdev, mci);
- if (!devres_open_group(&pdev->dev, NULL, GFP_KERNEL))
- return -ENOMEM;
+ if (!devres_open_group(&pdev->dev, NULL, GFP_KERNEL)) {
+ res = -ENOMEM;
+ goto free;
+ }
r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!r) {
@@ -243,6 +245,7 @@ err2:
edac_mc_del_mc(&pdev->dev);
err:
devres_release_group(&pdev->dev, NULL);
+free:
edac_mc_free(mci);
return res;
}
diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
index 09716eebe8ac..a2b0cbc8741c 100644
--- a/drivers/firmware/efi/efi.c
+++ b/drivers/firmware/efi/efi.c
@@ -394,8 +394,8 @@ static int __init efisubsys_init(void)
efi_kobj = kobject_create_and_add("efi", firmware_kobj);
if (!efi_kobj) {
pr_err("efi: Firmware registration failed.\n");
- destroy_workqueue(efi_rts_wq);
- return -ENOMEM;
+ error = -ENOMEM;
+ goto err_destroy_wq;
}
if (efi_rt_services_supported(EFI_RT_SUPPORTED_GET_VARIABLE |
@@ -443,7 +443,10 @@ err_unregister:
err_put:
kobject_put(efi_kobj);
efi_kobj = NULL;
- destroy_workqueue(efi_rts_wq);
+err_destroy_wq:
+ if (efi_rts_wq)
+ destroy_workqueue(efi_rts_wq);
+
return error;
}
diff --git a/drivers/firmware/efi/runtime-wrappers.c b/drivers/firmware/efi/runtime-wrappers.c
index 7feee3d9c2bf..1fba4e09cdcf 100644
--- a/drivers/firmware/efi/runtime-wrappers.c
+++ b/drivers/firmware/efi/runtime-wrappers.c
@@ -62,6 +62,7 @@ struct efi_runtime_work efi_rts_work;
\
if (!efi_enabled(EFI_RUNTIME_SERVICES)) { \
pr_warn_once("EFI Runtime Services are disabled!\n"); \
+ efi_rts_work.status = EFI_DEVICE_ERROR; \
goto exit; \
} \
\
diff --git a/drivers/firmware/google/coreboot_table.c b/drivers/firmware/google/coreboot_table.c
index 2652c396c423..33ae94745aef 100644
--- a/drivers/firmware/google/coreboot_table.c
+++ b/drivers/firmware/google/coreboot_table.c
@@ -93,14 +93,19 @@ static int coreboot_table_populate(struct device *dev, void *ptr)
for (i = 0; i < header->table_entries; i++) {
entry = ptr_entry;
- device = kzalloc(sizeof(struct device) + entry->size, GFP_KERNEL);
+ if (entry->size < sizeof(*entry)) {
+ dev_warn(dev, "coreboot table entry too small!\n");
+ return -EINVAL;
+ }
+
+ device = kzalloc(sizeof(device->dev) + entry->size, GFP_KERNEL);
if (!device)
return -ENOMEM;
device->dev.parent = dev;
device->dev.bus = &coreboot_bus_type;
device->dev.release = coreboot_device_release;
- memcpy(&device->entry, ptr_entry, entry->size);
+ memcpy(device->raw, ptr_entry, entry->size);
switch (device->entry.tag) {
case LB_TAG_CBMEM_ENTRY:
diff --git a/drivers/firmware/google/coreboot_table.h b/drivers/firmware/google/coreboot_table.h
index 37f4d335a606..d814dca33a08 100644
--- a/drivers/firmware/google/coreboot_table.h
+++ b/drivers/firmware/google/coreboot_table.h
@@ -79,6 +79,7 @@ struct coreboot_device {
struct lb_cbmem_ref cbmem_ref;
struct lb_cbmem_entry cbmem_entry;
struct lb_framebuffer framebuffer;
+ DECLARE_FLEX_ARRAY(u8, raw);
};
};
diff --git a/drivers/firmware/psci/psci.c b/drivers/firmware/psci/psci.c
index e7bcfca4159f..447ee4ea5c90 100644
--- a/drivers/firmware/psci/psci.c
+++ b/drivers/firmware/psci/psci.c
@@ -440,6 +440,9 @@ static const struct file_operations psci_debugfs_ops = {
static int __init psci_debugfs_init(void)
{
+ if (!invoke_psci_fn || !psci_ops.get_version)
+ return 0;
+
return PTR_ERR_OR_ZERO(debugfs_create_file("psci", 0444, NULL, NULL,
&psci_debugfs_ops));
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
index b15091d8310d..3b5c53712d31 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
@@ -2099,7 +2099,7 @@ int amdgpu_amdkfd_map_gtt_bo_to_gart(struct amdgpu_device *adev, struct amdgpu_b
}
amdgpu_amdkfd_remove_eviction_fence(
- bo, bo->kfd_bo->process_info->eviction_fence);
+ bo, bo->vm_bo->vm->process_info->eviction_fence);
amdgpu_bo_unreserve(bo);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 8516c814bc9b..7b5ce00f0602 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -61,6 +61,8 @@ static int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p,
amdgpu_ctx_put(p->ctx);
return -ECANCELED;
}
+
+ amdgpu_sync_create(&p->sync);
return 0;
}
@@ -452,18 +454,6 @@ static int amdgpu_syncobj_lookup_and_add(struct amdgpu_cs_parser *p,
}
r = amdgpu_sync_fence(&p->sync, fence);
- if (r)
- goto error;
-
- /*
- * When we have an explicit dependency it might be necessary to insert a
- * pipeline sync to make sure that all caches etc are flushed and the
- * next job actually sees the results from the previous one.
- */
- if (fence->context == p->gang_leader->base.entity->fence_context)
- r = amdgpu_sync_fence(&p->gang_leader->explicit_sync, fence);
-
-error:
dma_fence_put(fence);
return r;
}
@@ -1188,10 +1178,19 @@ static int amdgpu_cs_vm_handling(struct amdgpu_cs_parser *p)
static int amdgpu_cs_sync_rings(struct amdgpu_cs_parser *p)
{
struct amdgpu_fpriv *fpriv = p->filp->driver_priv;
+ struct drm_gpu_scheduler *sched;
struct amdgpu_bo_list_entry *e;
+ struct dma_fence *fence;
unsigned int i;
int r;
+ r = amdgpu_ctx_wait_prev_fence(p->ctx, p->entities[p->gang_leader_idx]);
+ if (r) {
+ if (r != -ERESTARTSYS)
+ DRM_ERROR("amdgpu_ctx_wait_prev_fence failed.\n");
+ return r;
+ }
+
list_for_each_entry(e, &p->validated, tv.head) {
struct amdgpu_bo *bo = ttm_to_amdgpu_bo(e->tv.bo);
struct dma_resv *resv = bo->tbo.base.resv;
@@ -1211,10 +1210,24 @@ static int amdgpu_cs_sync_rings(struct amdgpu_cs_parser *p)
return r;
}
- r = amdgpu_ctx_wait_prev_fence(p->ctx, p->entities[p->gang_leader_idx]);
- if (r && r != -ERESTARTSYS)
- DRM_ERROR("amdgpu_ctx_wait_prev_fence failed.\n");
- return r;
+ sched = p->gang_leader->base.entity->rq->sched;
+ while ((fence = amdgpu_sync_get_fence(&p->sync))) {
+ struct drm_sched_fence *s_fence = to_drm_sched_fence(fence);
+
+ /*
+ * When we have an dependency it might be necessary to insert a
+ * pipeline sync to make sure that all caches etc are flushed and the
+ * next job actually sees the results from the previous one
+ * before we start executing on the same scheduler ring.
+ */
+ if (!s_fence || s_fence->sched != sched)
+ continue;
+
+ r = amdgpu_sync_fence(&p->gang_leader->explicit_sync, fence);
+ if (r)
+ return r;
+ }
+ return 0;
}
static void amdgpu_cs_post_dependencies(struct amdgpu_cs_parser *p)
@@ -1254,9 +1267,12 @@ static int amdgpu_cs_submit(struct amdgpu_cs_parser *p,
continue;
fence = &p->jobs[i]->base.s_fence->scheduled;
+ dma_fence_get(fence);
r = drm_sched_job_add_dependency(&leader->base, fence);
- if (r)
+ if (r) {
+ dma_fence_put(fence);
goto error_cleanup;
+ }
}
if (p->gang_size > 1) {
@@ -1344,6 +1360,7 @@ static void amdgpu_cs_parser_fini(struct amdgpu_cs_parser *parser)
{
unsigned i;
+ amdgpu_sync_free(&parser->sync);
for (i = 0; i < parser->num_post_deps; i++) {
drm_syncobj_put(parser->post_deps[i].syncobj);
kfree(parser->post_deps[i].chain);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index afe6af9c0138..2f28a8c02f64 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -36,6 +36,7 @@
#include <generated/utsrelease.h>
#include <linux/pci-p2pdma.h>
+#include <drm/drm_aperture.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_fb_helper.h>
#include <drm/drm_probe_helper.h>
@@ -90,6 +91,8 @@ MODULE_FIRMWARE("amdgpu/navi12_gpu_info.bin");
#define AMDGPU_MAX_RETRY_LIMIT 2
#define AMDGPU_RETRY_SRIOV_RESET(r) ((r) == -EBUSY || (r) == -ETIMEDOUT || (r) == -EINVAL)
+static const struct drm_driver amdgpu_kms_driver;
+
const char *amdgpu_asic_name[] = {
"TAHITI",
"PITCAIRN",
@@ -3687,6 +3690,11 @@ int amdgpu_device_init(struct amdgpu_device *adev,
if (r)
return r;
+ /* Get rid of things like offb */
+ r = drm_aperture_remove_conflicting_pci_framebuffers(adev->pdev, &amdgpu_kms_driver);
+ if (r)
+ return r;
+
/* Enable TMZ based on IP_VERSION */
amdgpu_gmc_tmz_set(adev);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 1353ffd08988..cd4caaa29528 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -23,7 +23,6 @@
*/
#include <drm/amdgpu_drm.h>
-#include <drm/drm_aperture.h>
#include <drm/drm_drv.h>
#include <drm/drm_fbdev_generic.h>
#include <drm/drm_gem.h>
@@ -2122,11 +2121,6 @@ static int amdgpu_pci_probe(struct pci_dev *pdev,
}
#endif
- /* Get rid of things like offb */
- ret = drm_aperture_remove_conflicting_pci_framebuffers(pdev, &amdgpu_kms_driver);
- if (ret)
- return ret;
-
adev = devm_drm_dev_alloc(&pdev->dev, &amdgpu_kms_driver, typeof(*adev), ddev);
if (IS_ERR(adev))
return PTR_ERR(adev);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 4e684c2afc70..25a68d8888e0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -470,8 +470,9 @@ static bool amdgpu_bo_validate_size(struct amdgpu_device *adev,
return true;
fail:
- DRM_DEBUG("BO size %lu > total memory in domain: %llu\n", size,
- man->size);
+ if (man)
+ DRM_DEBUG("BO size %lu > total memory in domain: %llu\n", size,
+ man->size);
return false;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
index bac7976975bd..dcd8c066bc1f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
@@ -391,8 +391,10 @@ int amdgpu_sync_push_to_job(struct amdgpu_sync *sync, struct amdgpu_job *job)
dma_fence_get(f);
r = drm_sched_job_add_dependency(&job->base, f);
- if (r)
+ if (r) {
+ dma_fence_put(f);
return r;
+ }
}
return 0;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
index faa12146635c..9fa1d814508a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
@@ -882,7 +882,7 @@ void amdgpu_vram_mgr_fini(struct amdgpu_device *adev)
kfree(rsv);
list_for_each_entry_safe(rsv, temp, &mgr->reserved_pages, blocks) {
- drm_buddy_free_list(&mgr->mm, &rsv->blocks);
+ drm_buddy_free_list(&mgr->mm, &rsv->allocated);
kfree(rsv);
}
drm_buddy_fini(&mgr->mm);
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
index ecb4c3abc629..c06ada0844ba 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
@@ -200,7 +200,7 @@ static int add_queue_mes(struct device_queue_manager *dqm, struct queue *q,
queue_input.wptr_addr = (uint64_t)q->properties.write_ptr;
if (q->wptr_bo) {
- wptr_addr_off = (uint64_t)q->properties.write_ptr - (uint64_t)q->wptr_bo->kfd_bo->va;
+ wptr_addr_off = (uint64_t)q->properties.write_ptr & (PAGE_SIZE - 1);
queue_input.wptr_mc_addr = ((uint64_t)q->wptr_bo->tbo.resource->start << PAGE_SHIFT) + wptr_addr_off;
}
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
index 814f99888ab1..b94d2c1422ad 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
@@ -570,6 +570,15 @@ svm_range_vram_node_new(struct amdgpu_device *adev, struct svm_range *prange,
goto reserve_bo_failed;
}
+ if (clear) {
+ r = amdgpu_bo_sync_wait(bo, AMDGPU_FENCE_OWNER_KFD, false);
+ if (r) {
+ pr_debug("failed %d to sync bo\n", r);
+ amdgpu_bo_unreserve(bo);
+ goto reserve_bo_failed;
+ }
+ }
+
r = dma_resv_reserve_fences(bo->tbo.base.resv, 1);
if (r) {
pr_debug("failed %d to reserve bo\n", r);
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c
index e54b760b875b..b4373b6568ae 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c
@@ -1261,7 +1261,8 @@ int smu_v13_0_set_fan_speed_rpm(struct smu_context *smu,
uint32_t speed)
{
struct amdgpu_device *adev = smu->adev;
- uint32_t tach_period, crystal_clock_freq;
+ uint32_t crystal_clock_freq = 2500;
+ uint32_t tach_period;
int ret;
if (!speed)
@@ -1271,7 +1272,6 @@ int smu_v13_0_set_fan_speed_rpm(struct smu_context *smu,
if (ret)
return ret;
- crystal_clock_freq = amdgpu_asic_get_xclk(adev);
tach_period = 60 * crystal_clock_freq * 10000 / (8 * speed);
WREG32_SOC15(THM, 0, regCG_TACH_CTRL,
REG_SET_FIELD(RREG32_SOC15(THM, 0, regCG_TACH_CTRL),
@@ -2298,6 +2298,10 @@ bool smu_v13_0_baco_is_support(struct smu_context *smu)
!smu_baco->platform_support)
return false;
+ /* return true if ASIC is in BACO state already */
+ if (smu_v13_0_baco_get_state(smu) == SMU_BACO_STATE_ENTER)
+ return true;
+
if (smu_cmn_feature_is_supported(smu, SMU_FEATURE_BACO_BIT) &&
!smu_cmn_feature_is_enabled(smu, SMU_FEATURE_BACO_BIT))
return false;
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
index 9643b21c636a..4c20d17e7416 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
@@ -213,6 +213,7 @@ static struct cmn2asic_mapping smu_v13_0_0_feature_mask_map[SMU_FEATURE_COUNT] =
FEA_MAP(SOC_PCC),
[SMU_FEATURE_DPM_VCLK_BIT] = {1, FEATURE_MM_DPM_BIT},
[SMU_FEATURE_DPM_DCLK_BIT] = {1, FEATURE_MM_DPM_BIT},
+ [SMU_FEATURE_PPT_BIT] = {1, FEATURE_THROTTLERS_BIT},
};
static struct cmn2asic_mapping smu_v13_0_0_table_map[SMU_TABLE_COUNT] = {
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c
index 5c6c6ad011ca..e87db7e02e8a 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c
@@ -192,6 +192,7 @@ static struct cmn2asic_mapping smu_v13_0_7_feature_mask_map[SMU_FEATURE_COUNT] =
FEA_MAP(SOC_PCC),
[SMU_FEATURE_DPM_VCLK_BIT] = {1, FEATURE_MM_DPM_BIT},
[SMU_FEATURE_DPM_DCLK_BIT] = {1, FEATURE_MM_DPM_BIT},
+ [SMU_FEATURE_PPT_BIT] = {1, FEATURE_THROTTLERS_BIT},
};
static struct cmn2asic_mapping smu_v13_0_7_table_map[SMU_TABLE_COUNT] = {
diff --git a/drivers/gpu/drm/drm_buddy.c b/drivers/gpu/drm/drm_buddy.c
index 11bb59399471..3d1f50f481cf 100644
--- a/drivers/gpu/drm/drm_buddy.c
+++ b/drivers/gpu/drm/drm_buddy.c
@@ -38,6 +38,25 @@ static void drm_block_free(struct drm_buddy *mm,
kmem_cache_free(slab_blocks, block);
}
+static void list_insert_sorted(struct drm_buddy *mm,
+ struct drm_buddy_block *block)
+{
+ struct drm_buddy_block *node;
+ struct list_head *head;
+
+ head = &mm->free_list[drm_buddy_block_order(block)];
+ if (list_empty(head)) {
+ list_add(&block->link, head);
+ return;
+ }
+
+ list_for_each_entry(node, head, link)
+ if (drm_buddy_block_offset(block) < drm_buddy_block_offset(node))
+ break;
+
+ __list_add(&block->link, node->link.prev, &node->link);
+}
+
static void mark_allocated(struct drm_buddy_block *block)
{
block->header &= ~DRM_BUDDY_HEADER_STATE;
@@ -52,8 +71,7 @@ static void mark_free(struct drm_buddy *mm,
block->header &= ~DRM_BUDDY_HEADER_STATE;
block->header |= DRM_BUDDY_FREE;
- list_add(&block->link,
- &mm->free_list[drm_buddy_block_order(block)]);
+ list_insert_sorted(mm, block);
}
static void mark_split(struct drm_buddy_block *block)
@@ -387,20 +405,26 @@ err_undo:
}
static struct drm_buddy_block *
-get_maxblock(struct list_head *head)
+get_maxblock(struct drm_buddy *mm, unsigned int order)
{
struct drm_buddy_block *max_block = NULL, *node;
+ unsigned int i;
- max_block = list_first_entry_or_null(head,
- struct drm_buddy_block,
- link);
- if (!max_block)
- return NULL;
+ for (i = order; i <= mm->max_order; ++i) {
+ if (!list_empty(&mm->free_list[i])) {
+ node = list_last_entry(&mm->free_list[i],
+ struct drm_buddy_block,
+ link);
+ if (!max_block) {
+ max_block = node;
+ continue;
+ }
- list_for_each_entry(node, head, link) {
- if (drm_buddy_block_offset(node) >
- drm_buddy_block_offset(max_block))
- max_block = node;
+ if (drm_buddy_block_offset(node) >
+ drm_buddy_block_offset(max_block)) {
+ max_block = node;
+ }
+ }
}
return max_block;
@@ -412,20 +436,23 @@ alloc_from_freelist(struct drm_buddy *mm,
unsigned long flags)
{
struct drm_buddy_block *block = NULL;
- unsigned int i;
+ unsigned int tmp;
int err;
- for (i = order; i <= mm->max_order; ++i) {
- if (flags & DRM_BUDDY_TOPDOWN_ALLOCATION) {
- block = get_maxblock(&mm->free_list[i]);
- if (block)
- break;
- } else {
- block = list_first_entry_or_null(&mm->free_list[i],
- struct drm_buddy_block,
- link);
- if (block)
- break;
+ if (flags & DRM_BUDDY_TOPDOWN_ALLOCATION) {
+ block = get_maxblock(mm, order);
+ if (block)
+ /* Store the obtained block order */
+ tmp = drm_buddy_block_order(block);
+ } else {
+ for (tmp = order; tmp <= mm->max_order; ++tmp) {
+ if (!list_empty(&mm->free_list[tmp])) {
+ block = list_last_entry(&mm->free_list[tmp],
+ struct drm_buddy_block,
+ link);
+ if (block)
+ break;
+ }
}
}
@@ -434,18 +461,18 @@ alloc_from_freelist(struct drm_buddy *mm,
BUG_ON(!drm_buddy_block_is_free(block));
- while (i != order) {
+ while (tmp != order) {
err = split_block(mm, block);
if (unlikely(err))
goto err_undo;
block = block->right;
- i--;
+ tmp--;
}
return block;
err_undo:
- if (i != order)
+ if (tmp != order)
__drm_buddy_free(mm, block);
return ERR_PTR(err);
}
diff --git a/drivers/gpu/drm/drm_panel_orientation_quirks.c b/drivers/gpu/drm/drm_panel_orientation_quirks.c
index 52d8800a8ab8..3659f0465a72 100644
--- a/drivers/gpu/drm/drm_panel_orientation_quirks.c
+++ b/drivers/gpu/drm/drm_panel_orientation_quirks.c
@@ -304,6 +304,12 @@ static const struct dmi_system_id orientation_data[] = {
DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "Lenovo ideapad D330-10IGM"),
},
.driver_data = (void *)&lcd1200x1920_rightside_up,
+ }, { /* Lenovo Ideapad D330-10IGL (HD) */
+ .matches = {
+ DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "Lenovo ideapad D330-10IGL"),
+ },
+ .driver_data = (void *)&lcd800x1280_rightside_up,
}, { /* Lenovo Yoga Book X90F / X91F / X91L */
.matches = {
/* Non exact match to match all versions */
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c
index 7f2831efc798..6250de9b9196 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c
@@ -1688,6 +1688,10 @@ void i915_gem_init__contexts(struct drm_i915_private *i915)
init_contexts(&i915->gem.contexts);
}
+/*
+ * Note that this implicitly consumes the ctx reference, by placing
+ * the ctx in the context_xa.
+ */
static void gem_context_register(struct i915_gem_context *ctx,
struct drm_i915_file_private *fpriv,
u32 id)
@@ -1703,10 +1707,6 @@ static void gem_context_register(struct i915_gem_context *ctx,
snprintf(ctx->name, sizeof(ctx->name), "%s[%d]",
current->comm, pid_nr(ctx->pid));
- /* And finally expose ourselves to userspace via the idr */
- old = xa_store(&fpriv->context_xa, id, ctx, GFP_KERNEL);
- WARN_ON(old);
-
spin_lock(&ctx->client->ctx_lock);
list_add_tail_rcu(&ctx->client_link, &ctx->client->ctx_list);
spin_unlock(&ctx->client->ctx_lock);
@@ -1714,6 +1714,10 @@ static void gem_context_register(struct i915_gem_context *ctx,
spin_lock(&i915->gem.contexts.lock);
list_add_tail(&ctx->link, &i915->gem.contexts.list);
spin_unlock(&i915->gem.contexts.lock);
+
+ /* And finally expose ourselves to userspace via the idr */
+ old = xa_store(&fpriv->context_xa, id, ctx, GFP_KERNEL);
+ WARN_ON(old);
}
int i915_gem_context_open(struct drm_i915_private *i915,
@@ -2199,14 +2203,22 @@ finalize_create_context_locked(struct drm_i915_file_private *file_priv,
if (IS_ERR(ctx))
return ctx;
+ /*
+ * One for the xarray and one for the caller. We need to grab
+ * the reference *prior* to making the ctx visble to userspace
+ * in gem_context_register(), as at any point after that
+ * userspace can try to race us with another thread destroying
+ * the context under our feet.
+ */
+ i915_gem_context_get(ctx);
+
gem_context_register(ctx, file_priv, id);
old = xa_erase(&file_priv->proto_context_xa, id);
GEM_BUG_ON(old != pc);
proto_context_close(file_priv->dev_priv, pc);
- /* One for the xarray and one for the caller */
- return i915_gem_context_get(ctx);
+ return ctx;
}
struct i915_gem_context *
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_regs.h b/drivers/gpu/drm/i915/gt/intel_gt_regs.h
index c3cd92691795..4a14f87e441e 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_regs.h
+++ b/drivers/gpu/drm/i915/gt/intel_gt_regs.h
@@ -406,10 +406,10 @@
#define GEN9_WM_CHICKEN3 _MMIO(0x5588)
#define GEN9_FACTOR_IN_CLR_VAL_HIZ (1 << 9)
-#define CHICKEN_RASTER_1 _MMIO(0x6204)
+#define CHICKEN_RASTER_1 MCR_REG(0x6204)
#define DIS_SF_ROUND_NEAREST_EVEN REG_BIT(8)
-#define CHICKEN_RASTER_2 _MMIO(0x6208)
+#define CHICKEN_RASTER_2 MCR_REG(0x6208)
#define TBIMR_FAST_CLIP REG_BIT(5)
#define VFLSKPD MCR_REG(0x62a8)
diff --git a/drivers/gpu/drm/i915/gt/intel_reset.c b/drivers/gpu/drm/i915/gt/intel_reset.c
index 24736ebee17c..78dc5e493c62 100644
--- a/drivers/gpu/drm/i915/gt/intel_reset.c
+++ b/drivers/gpu/drm/i915/gt/intel_reset.c
@@ -278,6 +278,7 @@ out:
static int gen6_hw_domain_reset(struct intel_gt *gt, u32 hw_domain_mask)
{
struct intel_uncore *uncore = gt->uncore;
+ int loops = 2;
int err;
/*
@@ -285,18 +286,39 @@ static int gen6_hw_domain_reset(struct intel_gt *gt, u32 hw_domain_mask)
* for fifo space for the write or forcewake the chip for
* the read
*/
- intel_uncore_write_fw(uncore, GEN6_GDRST, hw_domain_mask);
+ do {
+ intel_uncore_write_fw(uncore, GEN6_GDRST, hw_domain_mask);
- /* Wait for the device to ack the reset requests */
- err = __intel_wait_for_register_fw(uncore,
- GEN6_GDRST, hw_domain_mask, 0,
- 500, 0,
- NULL);
+ /*
+ * Wait for the device to ack the reset requests.
+ *
+ * On some platforms, e.g. Jasperlake, we see that the
+ * engine register state is not cleared until shortly after
+ * GDRST reports completion, causing a failure as we try
+ * to immediately resume while the internal state is still
+ * in flux. If we immediately repeat the reset, the second
+ * reset appears to serialise with the first, and since
+ * it is a no-op, the registers should retain their reset
+ * value. However, there is still a concern that upon
+ * leaving the second reset, the internal engine state
+ * is still in flux and not ready for resuming.
+ */
+ err = __intel_wait_for_register_fw(uncore, GEN6_GDRST,
+ hw_domain_mask, 0,
+ 2000, 0,
+ NULL);
+ } while (err == 0 && --loops);
if (err)
GT_TRACE(gt,
"Wait for 0x%08x engines reset failed\n",
hw_domain_mask);
+ /*
+ * As we have observed that the engine state is still volatile
+ * after GDRST is acked, impose a small delay to let everything settle.
+ */
+ udelay(50);
+
return err;
}
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index 2afb4f80a954..5be2f91801fb 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -645,7 +645,7 @@ static void icl_ctx_workarounds_init(struct intel_engine_cs *engine,
static void dg2_ctx_gt_tuning_init(struct intel_engine_cs *engine,
struct i915_wa_list *wal)
{
- wa_masked_en(wal, CHICKEN_RASTER_2, TBIMR_FAST_CLIP);
+ wa_mcr_masked_en(wal, CHICKEN_RASTER_2, TBIMR_FAST_CLIP);
wa_mcr_write_clr_set(wal, XEHP_L3SQCREG5, L3_PWM_TIMER_INIT_VAL_MASK,
REG_FIELD_PREP(L3_PWM_TIMER_INIT_VAL_MASK, 0x7f));
wa_mcr_add(wal,
@@ -775,7 +775,7 @@ static void dg2_ctx_workarounds_init(struct intel_engine_cs *engine,
wa_masked_field_set(wal, VF_PREEMPTION, PREEMPTION_VERTEX_COUNT, 0x4000);
/* Wa_15010599737:dg2 */
- wa_masked_en(wal, CHICKEN_RASTER_1, DIS_SF_ROUND_NEAREST_EVEN);
+ wa_mcr_masked_en(wal, CHICKEN_RASTER_1, DIS_SF_ROUND_NEAREST_EVEN);
}
static void fakewa_disable_nestedbb_mode(struct intel_engine_cs *engine,
diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c
index 3a33be5401ed..135390d975b6 100644
--- a/drivers/gpu/drm/i915/i915_vma.c
+++ b/drivers/gpu/drm/i915/i915_vma.c
@@ -2116,7 +2116,7 @@ int i915_vma_unbind_async(struct i915_vma *vma, bool trylock_vm)
if (!obj->mm.rsgt)
return -EBUSY;
- err = dma_resv_reserve_fences(obj->base.resv, 1);
+ err = dma_resv_reserve_fences(obj->base.resv, 2);
if (err)
return -EBUSY;
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
index 6484b97c5344..f3c9600221d4 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
@@ -876,7 +876,8 @@ static void a6xx_gmu_rpmh_off(struct a6xx_gmu *gmu)
#define GBIF_CLIENT_HALT_MASK BIT(0)
#define GBIF_ARB_HALT_MASK BIT(1)
-static void a6xx_bus_clear_pending_transactions(struct adreno_gpu *adreno_gpu)
+static void a6xx_bus_clear_pending_transactions(struct adreno_gpu *adreno_gpu,
+ bool gx_off)
{
struct msm_gpu *gpu = &adreno_gpu->base;
@@ -889,9 +890,11 @@ static void a6xx_bus_clear_pending_transactions(struct adreno_gpu *adreno_gpu)
return;
}
- /* Halt the gx side of GBIF */
- gpu_write(gpu, REG_A6XX_RBBM_GBIF_HALT, 1);
- spin_until(gpu_read(gpu, REG_A6XX_RBBM_GBIF_HALT_ACK) & 1);
+ if (gx_off) {
+ /* Halt the gx side of GBIF */
+ gpu_write(gpu, REG_A6XX_RBBM_GBIF_HALT, 1);
+ spin_until(gpu_read(gpu, REG_A6XX_RBBM_GBIF_HALT_ACK) & 1);
+ }
/* Halt new client requests on GBIF */
gpu_write(gpu, REG_A6XX_GBIF_HALT, GBIF_CLIENT_HALT_MASK);
@@ -929,7 +932,7 @@ static void a6xx_gmu_force_off(struct a6xx_gmu *gmu)
/* Halt the gmu cm3 core */
gmu_write(gmu, REG_A6XX_GMU_CM3_SYSRESET, 1);
- a6xx_bus_clear_pending_transactions(adreno_gpu);
+ a6xx_bus_clear_pending_transactions(adreno_gpu, true);
/* Reset GPU core blocks */
gpu_write(gpu, REG_A6XX_RBBM_SW_RESET_CMD, 1);
@@ -1083,7 +1086,7 @@ static void a6xx_gmu_shutdown(struct a6xx_gmu *gmu)
return;
}
- a6xx_bus_clear_pending_transactions(adreno_gpu);
+ a6xx_bus_clear_pending_transactions(adreno_gpu, a6xx_gpu->hung);
/* tell the GMU we want to slumber */
ret = a6xx_gmu_notify_slumber(gmu);
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
index 36c8fb699b56..3be0f2928b57 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
@@ -1270,6 +1270,12 @@ static void a6xx_recover(struct msm_gpu *gpu)
if (hang_debug)
a6xx_dump(gpu);
+ /*
+ * To handle recovery specific sequences during the rpm suspend we are
+ * about to trigger
+ */
+ a6xx_gpu->hung = true;
+
/* Halt SQE first */
gpu_write(gpu, REG_A6XX_CP_SQE_CNTL, 3);
@@ -1312,6 +1318,7 @@ static void a6xx_recover(struct msm_gpu *gpu)
mutex_unlock(&gpu->active_lock);
msm_gpu_hw_init(gpu);
+ a6xx_gpu->hung = false;
}
static const char *a6xx_uche_fault_block(struct msm_gpu *gpu, u32 mid)
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.h b/drivers/gpu/drm/msm/adreno/a6xx_gpu.h
index ab853f61db63..eea2e60ce3b7 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.h
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.h
@@ -32,6 +32,7 @@ struct a6xx_gpu {
void *llc_slice;
void *htw_llc_slice;
bool have_mmu500;
+ bool hung;
};
#define to_a6xx_gpu(x) container_of(x, struct a6xx_gpu, base)
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
index 5d4b1c95033f..b4f9b1343d63 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h
+++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
@@ -29,11 +29,9 @@ enum {
ADRENO_FW_MAX,
};
-enum adreno_quirks {
- ADRENO_QUIRK_TWO_PASS_USE_WFI = 1,
- ADRENO_QUIRK_FAULT_DETECT_MASK = 2,
- ADRENO_QUIRK_LMLOADKILL_DISABLE = 3,
-};
+#define ADRENO_QUIRK_TWO_PASS_USE_WFI BIT(0)
+#define ADRENO_QUIRK_FAULT_DETECT_MASK BIT(1)
+#define ADRENO_QUIRK_LMLOADKILL_DISABLE BIT(2)
struct adreno_rev {
uint8_t core;
@@ -65,7 +63,7 @@ struct adreno_info {
const char *name;
const char *fw[ADRENO_FW_MAX];
uint32_t gmem;
- enum adreno_quirks quirks;
+ u64 quirks;
struct msm_gpu *(*init)(struct drm_device *dev);
const char *zapfw;
u32 inactive_period;
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c
index 7cbcef6efe17..62f6ff6abf41 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c
@@ -132,7 +132,6 @@ static void dpu_encoder_phys_wb_set_qos(struct dpu_encoder_phys *phys_enc)
* dpu_encoder_phys_wb_setup_fb - setup output framebuffer
* @phys_enc: Pointer to physical encoder
* @fb: Pointer to output framebuffer
- * @wb_roi: Pointer to output region of interest
*/
static void dpu_encoder_phys_wb_setup_fb(struct dpu_encoder_phys *phys_enc,
struct drm_framebuffer *fb)
@@ -692,7 +691,7 @@ static void dpu_encoder_phys_wb_init_ops(struct dpu_encoder_phys_ops *ops)
/**
* dpu_encoder_phys_wb_init - initialize writeback encoder
- * @init: Pointer to init info structure with initialization params
+ * @p: Pointer to init info structure with initialization params
*/
struct dpu_encoder_phys *dpu_encoder_phys_wb_init(
struct dpu_enc_phys_init_params *p)
diff --git a/drivers/gpu/drm/msm/dp/dp_aux.c b/drivers/gpu/drm/msm/dp/dp_aux.c
index d030a93a08c3..cc3efed593aa 100644
--- a/drivers/gpu/drm/msm/dp/dp_aux.c
+++ b/drivers/gpu/drm/msm/dp/dp_aux.c
@@ -423,6 +423,10 @@ void dp_aux_isr(struct drm_dp_aux *dp_aux)
isr = dp_catalog_aux_get_irq(aux->catalog);
+ /* no interrupts pending, return immediately */
+ if (!isr)
+ return;
+
if (!aux->cmd_busy)
return;
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.c b/drivers/gpu/drm/msm/hdmi/hdmi.c
index 4d3fdc806bef..97372bb241d8 100644
--- a/drivers/gpu/drm/msm/hdmi/hdmi.c
+++ b/drivers/gpu/drm/msm/hdmi/hdmi.c
@@ -532,11 +532,19 @@ static int msm_hdmi_dev_probe(struct platform_device *pdev)
ret = devm_pm_runtime_enable(&pdev->dev);
if (ret)
- return ret;
+ goto err_put_phy;
platform_set_drvdata(pdev, hdmi);
- return component_add(&pdev->dev, &msm_hdmi_ops);
+ ret = component_add(&pdev->dev, &msm_hdmi_ops);
+ if (ret)
+ goto err_put_phy;
+
+ return 0;
+
+err_put_phy:
+ msm_hdmi_put_phy(hdmi);
+ return ret;
}
static int msm_hdmi_dev_remove(struct platform_device *pdev)
diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
index 8b0b0ac74a6f..45e81eb148a8 100644
--- a/drivers/gpu/drm/msm/msm_drv.c
+++ b/drivers/gpu/drm/msm/msm_drv.c
@@ -1278,7 +1278,7 @@ void msm_drv_shutdown(struct platform_device *pdev)
* msm_drm_init, drm_dev->registered is used as an indicator that the
* shutdown will be successful.
*/
- if (drm && drm->registered)
+ if (drm && drm->registered && priv->kms)
drm_atomic_helper_shutdown(drm);
}
diff --git a/drivers/gpu/drm/msm/msm_mdss.c b/drivers/gpu/drm/msm/msm_mdss.c
index 86b28add1fff..2527afef9c19 100644
--- a/drivers/gpu/drm/msm/msm_mdss.c
+++ b/drivers/gpu/drm/msm/msm_mdss.c
@@ -47,15 +47,17 @@ struct msm_mdss {
static int msm_mdss_parse_data_bus_icc_path(struct device *dev,
struct msm_mdss *msm_mdss)
{
- struct icc_path *path0 = of_icc_get(dev, "mdp0-mem");
- struct icc_path *path1 = of_icc_get(dev, "mdp1-mem");
+ struct icc_path *path0;
+ struct icc_path *path1;
+ path0 = of_icc_get(dev, "mdp0-mem");
if (IS_ERR_OR_NULL(path0))
return PTR_ERR_OR_ZERO(path0);
msm_mdss->path[0] = path0;
msm_mdss->num_paths = 1;
+ path1 = of_icc_get(dev, "mdp1-mem");
if (!IS_ERR_OR_NULL(path1)) {
msm_mdss->path[1] = path1;
msm_mdss->num_paths++;
diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
deleted file mode 100644
index e87de7906f78..000000000000
--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c
+++ /dev/null
@@ -1,613 +0,0 @@
-/*
- * Copyright © 2007 David Airlie
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * David Airlie
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/mm.h>
-#include <linux/tty.h>
-#include <linux/sysrq.h>
-#include <linux/delay.h>
-#include <linux/init.h>
-#include <linux/screen_info.h>
-#include <linux/vga_switcheroo.h>
-#include <linux/console.h>
-
-#include <drm/drm_crtc.h>
-#include <drm/drm_crtc_helper.h>
-#include <drm/drm_probe_helper.h>
-#include <drm/drm_fb_helper.h>
-#include <drm/drm_fourcc.h>
-#include <drm/drm_atomic.h>
-
-#include "nouveau_drv.h"
-#include "nouveau_gem.h"
-#include "nouveau_bo.h"
-#include "nouveau_fbcon.h"
-#include "nouveau_chan.h"
-#include "nouveau_vmm.h"
-
-#include "nouveau_crtc.h"
-
-MODULE_PARM_DESC(nofbaccel, "Disable fbcon acceleration");
-int nouveau_nofbaccel = 0;
-module_param_named(nofbaccel, nouveau_nofbaccel, int, 0400);
-
-MODULE_PARM_DESC(fbcon_bpp, "fbcon bits-per-pixel (default: auto)");
-static int nouveau_fbcon_bpp;
-module_param_named(fbcon_bpp, nouveau_fbcon_bpp, int, 0400);
-
-static void
-nouveau_fbcon_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
-{
- struct nouveau_fbdev *fbcon = info->par;
- struct nouveau_drm *drm = nouveau_drm(fbcon->helper.dev);
- struct nvif_device *device = &drm->client.device;
- int ret;
-
- if (info->state != FBINFO_STATE_RUNNING)
- return;
-
- ret = -ENODEV;
- if (!in_interrupt() && !(info->flags & FBINFO_HWACCEL_DISABLED) &&
- mutex_trylock(&drm->client.mutex)) {
- if (device->info.family < NV_DEVICE_INFO_V0_TESLA)
- ret = nv04_fbcon_fillrect(info, rect);
- else
- if (device->info.family < NV_DEVICE_INFO_V0_FERMI)
- ret = nv50_fbcon_fillrect(info, rect);
- else
- ret = nvc0_fbcon_fillrect(info, rect);
- mutex_unlock(&drm->client.mutex);
- }
-
- if (ret == 0)
- return;
-
- if (ret != -ENODEV)
- nouveau_fbcon_gpu_lockup(info);
- drm_fb_helper_cfb_fillrect(info, rect);
-}
-
-static void
-nouveau_fbcon_copyarea(struct fb_info *info, const struct fb_copyarea *image)
-{
- struct nouveau_fbdev *fbcon = info->par;
- struct nouveau_drm *drm = nouveau_drm(fbcon->helper.dev);
- struct nvif_device *device = &drm->client.device;
- int ret;
-
- if (info->state != FBINFO_STATE_RUNNING)
- return;
-
- ret = -ENODEV;
- if (!in_interrupt() && !(info->flags & FBINFO_HWACCEL_DISABLED) &&
- mutex_trylock(&drm->client.mutex)) {
- if (device->info.family < NV_DEVICE_INFO_V0_TESLA)
- ret = nv04_fbcon_copyarea(info, image);
- else
- if (device->info.family < NV_DEVICE_INFO_V0_FERMI)
- ret = nv50_fbcon_copyarea(info, image);
- else
- ret = nvc0_fbcon_copyarea(info, image);
- mutex_unlock(&drm->client.mutex);
- }
-
- if (ret == 0)
- return;
-
- if (ret != -ENODEV)
- nouveau_fbcon_gpu_lockup(info);
- drm_fb_helper_cfb_copyarea(info, image);
-}
-
-static void
-nouveau_fbcon_imageblit(struct fb_info *info, const struct fb_image *image)
-{
- struct nouveau_fbdev *fbcon = info->par;
- struct nouveau_drm *drm = nouveau_drm(fbcon->helper.dev);
- struct nvif_device *device = &drm->client.device;
- int ret;
-
- if (info->state != FBINFO_STATE_RUNNING)
- return;
-
- ret = -ENODEV;
- if (!in_interrupt() && !(info->flags & FBINFO_HWACCEL_DISABLED) &&
- mutex_trylock(&drm->client.mutex)) {
- if (device->info.family < NV_DEVICE_INFO_V0_TESLA)
- ret = nv04_fbcon_imageblit(info, image);
- else
- if (device->info.family < NV_DEVICE_INFO_V0_FERMI)
- ret = nv50_fbcon_imageblit(info, image);
- else
- ret = nvc0_fbcon_imageblit(info, image);
- mutex_unlock(&drm->client.mutex);
- }
-
- if (ret == 0)
- return;
-
- if (ret != -ENODEV)
- nouveau_fbcon_gpu_lockup(info);
- drm_fb_helper_cfb_imageblit(info, image);
-}
-
-static int
-nouveau_fbcon_sync(struct fb_info *info)
-{
- struct nouveau_fbdev *fbcon = info->par;
- struct nouveau_drm *drm = nouveau_drm(fbcon->helper.dev);
- struct nouveau_channel *chan = drm->channel;
- int ret;
-
- if (!chan || !chan->accel_done || in_interrupt() ||
- info->state != FBINFO_STATE_RUNNING ||
- info->flags & FBINFO_HWACCEL_DISABLED)
- return 0;
-
- if (!mutex_trylock(&drm->client.mutex))
- return 0;
-
- ret = nouveau_channel_idle(chan);
- mutex_unlock(&drm->client.mutex);
- if (ret) {
- nouveau_fbcon_gpu_lockup(info);
- return 0;
- }
-
- chan->accel_done = false;
- return 0;
-}
-
-static int
-nouveau_fbcon_open(struct fb_info *info, int user)
-{
- struct nouveau_fbdev *fbcon = info->par;
- struct nouveau_drm *drm = nouveau_drm(fbcon->helper.dev);
- int ret = pm_runtime_get_sync(drm->dev->dev);
- if (ret < 0 && ret != -EACCES) {
- pm_runtime_put(drm->dev->dev);
- return ret;
- }
- return 0;
-}
-
-static int
-nouveau_fbcon_release(struct fb_info *info, int user)
-{
- struct nouveau_fbdev *fbcon = info->par;
- struct nouveau_drm *drm = nouveau_drm(fbcon->helper.dev);
- pm_runtime_put(drm->dev->dev);
- return 0;
-}
-
-static const struct fb_ops nouveau_fbcon_ops = {
- .owner = THIS_MODULE,
- DRM_FB_HELPER_DEFAULT_OPS,
- .fb_open = nouveau_fbcon_open,
- .fb_release = nouveau_fbcon_release,
- .fb_fillrect = nouveau_fbcon_fillrect,
- .fb_copyarea = nouveau_fbcon_copyarea,
- .fb_imageblit = nouveau_fbcon_imageblit,
- .fb_sync = nouveau_fbcon_sync,
-};
-
-static const struct fb_ops nouveau_fbcon_sw_ops = {
- .owner = THIS_MODULE,
- DRM_FB_HELPER_DEFAULT_OPS,
- .fb_open = nouveau_fbcon_open,
- .fb_release = nouveau_fbcon_release,
- .fb_fillrect = drm_fb_helper_cfb_fillrect,
- .fb_copyarea = drm_fb_helper_cfb_copyarea,
- .fb_imageblit = drm_fb_helper_cfb_imageblit,
-};
-
-void
-nouveau_fbcon_accel_save_disable(struct drm_device *dev)
-{
- struct nouveau_drm *drm = nouveau_drm(dev);
- if (drm->fbcon && drm->fbcon->helper.info) {
- drm->fbcon->saved_flags = drm->fbcon->helper.info->flags;
- drm->fbcon->helper.info->flags |= FBINFO_HWACCEL_DISABLED;
- }
-}
-
-void
-nouveau_fbcon_accel_restore(struct drm_device *dev)
-{
- struct nouveau_drm *drm = nouveau_drm(dev);
- if (drm->fbcon && drm->fbcon->helper.info)
- drm->fbcon->helper.info->flags = drm->fbcon->saved_flags;
-}
-
-static void
-nouveau_fbcon_accel_fini(struct drm_device *dev)
-{
- struct nouveau_drm *drm = nouveau_drm(dev);
- struct nouveau_fbdev *fbcon = drm->fbcon;
- if (fbcon && drm->channel) {
- console_lock();
- if (fbcon->helper.info)
- fbcon->helper.info->flags |= FBINFO_HWACCEL_DISABLED;
- console_unlock();
- nouveau_channel_idle(drm->channel);
- nvif_object_dtor(&fbcon->twod);
- nvif_object_dtor(&fbcon->blit);
- nvif_object_dtor(&fbcon->gdi);
- nvif_object_dtor(&fbcon->patt);
- nvif_object_dtor(&fbcon->rop);
- nvif_object_dtor(&fbcon->clip);
- nvif_object_dtor(&fbcon->surf2d);
- }
-}
-
-static void
-nouveau_fbcon_accel_init(struct drm_device *dev)
-{
- struct nouveau_drm *drm = nouveau_drm(dev);
- struct nouveau_fbdev *fbcon = drm->fbcon;
- struct fb_info *info = fbcon->helper.info;
- int ret;
-
- if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA)
- ret = nv04_fbcon_accel_init(info);
- else
- if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI)
- ret = nv50_fbcon_accel_init(info);
- else
- ret = nvc0_fbcon_accel_init(info);
-
- if (ret == 0)
- info->fbops = &nouveau_fbcon_ops;
-}
-
-static void
-nouveau_fbcon_zfill(struct drm_device *dev, struct nouveau_fbdev *fbcon)
-{
- struct fb_info *info = fbcon->helper.info;
- struct fb_fillrect rect;
-
- /* Clear the entire fbcon. The drm will program every connector
- * with it's preferred mode. If the sizes differ, one display will
- * quite likely have garbage around the console.
- */
- rect.dx = rect.dy = 0;
- rect.width = info->var.xres_virtual;
- rect.height = info->var.yres_virtual;
- rect.color = 0;
- rect.rop = ROP_COPY;
- info->fbops->fb_fillrect(info, &rect);
-}
-
-static int
-nouveau_fbcon_create(struct drm_fb_helper *helper,
- struct drm_fb_helper_surface_size *sizes)
-{
- struct nouveau_fbdev *fbcon =
- container_of(helper, struct nouveau_fbdev, helper);
- struct drm_device *dev = fbcon->helper.dev;
- struct nouveau_drm *drm = nouveau_drm(dev);
- struct nvif_device *device = &drm->client.device;
- struct fb_info *info;
- struct drm_framebuffer *fb;
- struct nouveau_channel *chan;
- struct nouveau_bo *nvbo;
- struct drm_mode_fb_cmd2 mode_cmd = {};
- int ret;
-
- mode_cmd.width = sizes->surface_width;
- mode_cmd.height = sizes->surface_height;
-
- mode_cmd.pitches[0] = mode_cmd.width * (sizes->surface_bpp >> 3);
- mode_cmd.pitches[0] = roundup(mode_cmd.pitches[0], 256);
-
- mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp,
- sizes->surface_depth);
-
- ret = nouveau_gem_new(&drm->client, mode_cmd.pitches[0] *
- mode_cmd.height, 0, NOUVEAU_GEM_DOMAIN_VRAM,
- 0, 0x0000, &nvbo);
- if (ret) {
- NV_ERROR(drm, "failed to allocate framebuffer\n");
- goto out;
- }
-
- ret = nouveau_framebuffer_new(dev, &mode_cmd, &nvbo->bo.base, &fb);
- if (ret)
- goto out_unref;
-
- ret = nouveau_bo_pin(nvbo, NOUVEAU_GEM_DOMAIN_VRAM, false);
- if (ret) {
- NV_ERROR(drm, "failed to pin fb: %d\n", ret);
- goto out_unref;
- }
-
- ret = nouveau_bo_map(nvbo);
- if (ret) {
- NV_ERROR(drm, "failed to map fb: %d\n", ret);
- goto out_unpin;
- }
-
- chan = nouveau_nofbaccel ? NULL : drm->channel;
- if (chan && device->info.family >= NV_DEVICE_INFO_V0_TESLA) {
- ret = nouveau_vma_new(nvbo, chan->vmm, &fbcon->vma);
- if (ret) {
- NV_ERROR(drm, "failed to map fb into chan: %d\n", ret);
- chan = NULL;
- }
- }
-
- info = drm_fb_helper_alloc_info(helper);
- if (IS_ERR(info)) {
- ret = PTR_ERR(info);
- goto out_unlock;
- }
-
- /* setup helper */
- fbcon->helper.fb = fb;
-
- if (!chan)
- info->flags = FBINFO_HWACCEL_DISABLED;
- else
- info->flags = FBINFO_HWACCEL_COPYAREA |
- FBINFO_HWACCEL_FILLRECT |
- FBINFO_HWACCEL_IMAGEBLIT;
- info->fbops = &nouveau_fbcon_sw_ops;
- info->fix.smem_start = nvbo->bo.resource->bus.offset;
- info->fix.smem_len = nvbo->bo.base.size;
-
- info->screen_base = nvbo_kmap_obj_iovirtual(nvbo);
- info->screen_size = nvbo->bo.base.size;
-
- drm_fb_helper_fill_info(info, &fbcon->helper, sizes);
-
- /* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */
-
- if (chan)
- nouveau_fbcon_accel_init(dev);
- nouveau_fbcon_zfill(dev, fbcon);
-
- /* To allow resizeing without swapping buffers */
- NV_INFO(drm, "allocated %dx%d fb: 0x%llx, bo %p\n",
- fb->width, fb->height, nvbo->offset, nvbo);
-
- if (dev_is_pci(dev->dev))
- vga_switcheroo_client_fb_set(to_pci_dev(dev->dev), info);
-
- return 0;
-
-out_unlock:
- if (chan)
- nouveau_vma_del(&fbcon->vma);
- nouveau_bo_unmap(nvbo);
-out_unpin:
- nouveau_bo_unpin(nvbo);
-out_unref:
- nouveau_bo_ref(NULL, &nvbo);
-out:
- return ret;
-}
-
-static int
-nouveau_fbcon_destroy(struct drm_device *dev, struct nouveau_fbdev *fbcon)
-{
- struct drm_framebuffer *fb = fbcon->helper.fb;
- struct nouveau_bo *nvbo;
-
- drm_fb_helper_unregister_info(&fbcon->helper);
- drm_fb_helper_fini(&fbcon->helper);
-
- if (fb && fb->obj[0]) {
- nvbo = nouveau_gem_object(fb->obj[0]);
- nouveau_vma_del(&fbcon->vma);
- nouveau_bo_unmap(nvbo);
- nouveau_bo_unpin(nvbo);
- drm_framebuffer_put(fb);
- }
-
- return 0;
-}
-
-void nouveau_fbcon_gpu_lockup(struct fb_info *info)
-{
- struct nouveau_fbdev *fbcon = info->par;
- struct nouveau_drm *drm = nouveau_drm(fbcon->helper.dev);
-
- NV_ERROR(drm, "GPU lockup - switching to software fbcon\n");
- info->flags |= FBINFO_HWACCEL_DISABLED;
-}
-
-static const struct drm_fb_helper_funcs nouveau_fbcon_helper_funcs = {
- .fb_probe = nouveau_fbcon_create,
-};
-
-static void
-nouveau_fbcon_set_suspend_work(struct work_struct *work)
-{
- struct nouveau_drm *drm = container_of(work, typeof(*drm), fbcon_work);
- int state = READ_ONCE(drm->fbcon_new_state);
-
- if (state == FBINFO_STATE_RUNNING)
- pm_runtime_get_sync(drm->dev->dev);
-
- console_lock();
- if (state == FBINFO_STATE_RUNNING)
- nouveau_fbcon_accel_restore(drm->dev);
- drm_fb_helper_set_suspend(&drm->fbcon->helper, state);
- if (state != FBINFO_STATE_RUNNING)
- nouveau_fbcon_accel_save_disable(drm->dev);
- console_unlock();
-
- if (state == FBINFO_STATE_RUNNING) {
- nouveau_fbcon_hotplug_resume(drm->fbcon);
- pm_runtime_mark_last_busy(drm->dev->dev);
- pm_runtime_put_autosuspend(drm->dev->dev);
- }
-}
-
-void
-nouveau_fbcon_set_suspend(struct drm_device *dev, int state)
-{
- struct nouveau_drm *drm = nouveau_drm(dev);
-
- if (!drm->fbcon)
- return;
-
- drm->fbcon_new_state = state;
- /* Since runtime resume can happen as a result of a sysfs operation,
- * it's possible we already have the console locked. So handle fbcon
- * init/deinit from a seperate work thread
- */
- schedule_work(&drm->fbcon_work);
-}
-
-void
-nouveau_fbcon_output_poll_changed(struct drm_device *dev)
-{
- struct nouveau_drm *drm = nouveau_drm(dev);
- struct nouveau_fbdev *fbcon = drm->fbcon;
- int ret;
-
- if (!fbcon)
- return;
-
- mutex_lock(&fbcon->hotplug_lock);
-
- ret = pm_runtime_get(dev->dev);
- if (ret == 1 || ret == -EACCES) {
- drm_fb_helper_hotplug_event(&fbcon->helper);
-
- pm_runtime_mark_last_busy(dev->dev);
- pm_runtime_put_autosuspend(dev->dev);
- } else if (ret == 0) {
- /* If the GPU was already in the process of suspending before
- * this event happened, then we can't block here as we'll
- * deadlock the runtime pmops since they wait for us to
- * finish. So, just defer this event for when we runtime
- * resume again. It will be handled by fbcon_work.
- */
- NV_DEBUG(drm, "fbcon HPD event deferred until runtime resume\n");
- fbcon->hotplug_waiting = true;
- pm_runtime_put_noidle(drm->dev->dev);
- } else {
- DRM_WARN("fbcon HPD event lost due to RPM failure: %d\n",
- ret);
- }
-
- mutex_unlock(&fbcon->hotplug_lock);
-}
-
-void
-nouveau_fbcon_hotplug_resume(struct nouveau_fbdev *fbcon)
-{
- struct nouveau_drm *drm;
-
- if (!fbcon)
- return;
- drm = nouveau_drm(fbcon->helper.dev);
-
- mutex_lock(&fbcon->hotplug_lock);
- if (fbcon->hotplug_waiting) {
- fbcon->hotplug_waiting = false;
-
- NV_DEBUG(drm, "Handling deferred fbcon HPD events\n");
- drm_fb_helper_hotplug_event(&fbcon->helper);
- }
- mutex_unlock(&fbcon->hotplug_lock);
-}
-
-int
-nouveau_fbcon_init(struct drm_device *dev)
-{
- struct nouveau_drm *drm = nouveau_drm(dev);
- struct nouveau_fbdev *fbcon;
- int preferred_bpp = nouveau_fbcon_bpp;
- int ret;
-
- if (!dev->mode_config.num_crtc ||
- (to_pci_dev(dev->dev)->class >> 8) != PCI_CLASS_DISPLAY_VGA)
- return 0;
-
- fbcon = kzalloc(sizeof(struct nouveau_fbdev), GFP_KERNEL);
- if (!fbcon)
- return -ENOMEM;
-
- drm->fbcon = fbcon;
- INIT_WORK(&drm->fbcon_work, nouveau_fbcon_set_suspend_work);
- mutex_init(&fbcon->hotplug_lock);
-
- drm_fb_helper_prepare(dev, &fbcon->helper, &nouveau_fbcon_helper_funcs);
-
- ret = drm_fb_helper_init(dev, &fbcon->helper);
- if (ret)
- goto free;
-
- if (preferred_bpp != 8 && preferred_bpp != 16 && preferred_bpp != 32) {
- if (drm->client.device.info.ram_size <= 32 * 1024 * 1024)
- preferred_bpp = 8;
- else
- if (drm->client.device.info.ram_size <= 64 * 1024 * 1024)
- preferred_bpp = 16;
- else
- preferred_bpp = 32;
- }
-
- /* disable all the possible outputs/crtcs before entering KMS mode */
- if (!drm_drv_uses_atomic_modeset(dev))
- drm_helper_disable_unused_functions(dev);
-
- ret = drm_fb_helper_initial_config(&fbcon->helper, preferred_bpp);
- if (ret)
- goto fini;
-
- if (fbcon->helper.info)
- fbcon->helper.info->pixmap.buf_align = 4;
- return 0;
-
-fini:
- drm_fb_helper_fini(&fbcon->helper);
-free:
- kfree(fbcon);
- drm->fbcon = NULL;
- return ret;
-}
-
-void
-nouveau_fbcon_fini(struct drm_device *dev)
-{
- struct nouveau_drm *drm = nouveau_drm(dev);
-
- if (!drm->fbcon)
- return;
-
- drm_kms_helper_poll_fini(dev);
- nouveau_fbcon_accel_fini(dev);
- nouveau_fbcon_destroy(dev, drm->fbcon);
- kfree(drm->fbcon);
- drm->fbcon = NULL;
-}
diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c
index ba3aa0a0fc43..da5493f789df 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_util.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
@@ -173,7 +173,7 @@ int ttm_bo_move_memcpy(struct ttm_buffer_object *bo,
clear = src_iter->ops->maps_tt && (!ttm || !ttm_tt_is_populated(ttm));
if (!(clear && ttm && !(ttm->page_flags & TTM_TT_FLAG_ZERO_ALLOC)))
- ttm_move_memcpy(clear, ttm->num_pages, dst_iter, src_iter);
+ ttm_move_memcpy(clear, PFN_UP(dst_mem->size), dst_iter, src_iter);
if (!src_iter->ops->maps_tt)
ttm_kmap_iter_linear_io_fini(&_src_iter.io, bdev, src_mem);
diff --git a/drivers/gpu/drm/virtio/virtgpu_ioctl.c b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
index 5d05093014ac..9f4a90493aea 100644
--- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c
+++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
@@ -358,10 +358,18 @@ static int virtio_gpu_resource_create_ioctl(struct drm_device *dev, void *data,
drm_gem_object_release(obj);
return ret;
}
- drm_gem_object_put(obj);
rc->res_handle = qobj->hw_res_handle; /* similiar to a VM address */
rc->bo_handle = handle;
+
+ /*
+ * The handle owns the reference now. But we must drop our
+ * remaining reference *after* we no longer need to dereference
+ * the obj. Otherwise userspace could guess the handle and
+ * race closing it from another thread.
+ */
+ drm_gem_object_put(obj);
+
return 0;
}
@@ -723,11 +731,18 @@ static int virtio_gpu_resource_create_blob_ioctl(struct drm_device *dev,
drm_gem_object_release(obj);
return ret;
}
- drm_gem_object_put(obj);
rc_blob->res_handle = bo->hw_res_handle;
rc_blob->bo_handle = handle;
+ /*
+ * The handle owns the reference now. But we must drop our
+ * remaining reference *after* we no longer need to dereference
+ * the obj. Otherwise userspace could guess the handle and
+ * race closing it from another thread.
+ */
+ drm_gem_object_put(obj);
+
return 0;
}
diff --git a/drivers/gpu/drm/vmwgfx/ttm_object.c b/drivers/gpu/drm/vmwgfx/ttm_object.c
index 932b125ebf3d..ddf8373c1d77 100644
--- a/drivers/gpu/drm/vmwgfx/ttm_object.c
+++ b/drivers/gpu/drm/vmwgfx/ttm_object.c
@@ -254,40 +254,6 @@ void ttm_base_object_unref(struct ttm_base_object **p_base)
kref_put(&base->refcount, ttm_release_base);
}
-/**
- * ttm_base_object_noref_lookup - look up a base object without reference
- * @tfile: The struct ttm_object_file the object is registered with.
- * @key: The object handle.
- *
- * This function looks up a ttm base object and returns a pointer to it
- * without refcounting the pointer. The returned pointer is only valid
- * until ttm_base_object_noref_release() is called, and the object
- * pointed to by the returned pointer may be doomed. Any persistent usage
- * of the object requires a refcount to be taken using kref_get_unless_zero().
- * Iff this function returns successfully it needs to be paired with
- * ttm_base_object_noref_release() and no sleeping- or scheduling functions
- * may be called inbetween these function callse.
- *
- * Return: A pointer to the object if successful or NULL otherwise.
- */
-struct ttm_base_object *
-ttm_base_object_noref_lookup(struct ttm_object_file *tfile, uint64_t key)
-{
- struct vmwgfx_hash_item *hash;
- int ret;
-
- rcu_read_lock();
- ret = ttm_tfile_find_ref_rcu(tfile, key, &hash);
- if (ret) {
- rcu_read_unlock();
- return NULL;
- }
-
- __release(RCU);
- return hlist_entry(hash, struct ttm_ref_object, hash)->obj;
-}
-EXPORT_SYMBOL(ttm_base_object_noref_lookup);
-
struct ttm_base_object *ttm_base_object_lookup(struct ttm_object_file *tfile,
uint64_t key)
{
@@ -295,15 +261,16 @@ struct ttm_base_object *ttm_base_object_lookup(struct ttm_object_file *tfile,
struct vmwgfx_hash_item *hash;
int ret;
- rcu_read_lock();
- ret = ttm_tfile_find_ref_rcu(tfile, key, &hash);
+ spin_lock(&tfile->lock);
+ ret = ttm_tfile_find_ref(tfile, key, &hash);
if (likely(ret == 0)) {
base = hlist_entry(hash, struct ttm_ref_object, hash)->obj;
if (!kref_get_unless_zero(&base->refcount))
base = NULL;
}
- rcu_read_unlock();
+ spin_unlock(&tfile->lock);
+
return base;
}
diff --git a/drivers/gpu/drm/vmwgfx/ttm_object.h b/drivers/gpu/drm/vmwgfx/ttm_object.h
index f0ebbe340ad6..8098a3846bae 100644
--- a/drivers/gpu/drm/vmwgfx/ttm_object.h
+++ b/drivers/gpu/drm/vmwgfx/ttm_object.h
@@ -307,18 +307,4 @@ extern int ttm_prime_handle_to_fd(struct ttm_object_file *tfile,
#define ttm_prime_object_kfree(__obj, __prime) \
kfree_rcu(__obj, __prime.base.rhead)
-struct ttm_base_object *
-ttm_base_object_noref_lookup(struct ttm_object_file *tfile, uint64_t key);
-
-/**
- * ttm_base_object_noref_release - release a base object pointer looked up
- * without reference
- *
- * Releases a base object pointer looked up with ttm_base_object_noref_lookup().
- */
-static inline void ttm_base_object_noref_release(void)
-{
- __acquire(RCU);
- rcu_read_unlock();
-}
#endif
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
index 321c551784a1..aa1cd5126a32 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
@@ -716,44 +716,6 @@ int vmw_user_bo_lookup(struct drm_file *filp,
}
/**
- * vmw_user_bo_noref_lookup - Look up a vmw user buffer object without reference
- * @filp: The TTM object file the handle is registered with.
- * @handle: The user buffer object handle.
- *
- * This function looks up a struct vmw_bo and returns a pointer to the
- * struct vmw_buffer_object it derives from without refcounting the pointer.
- * The returned pointer is only valid until vmw_user_bo_noref_release() is
- * called, and the object pointed to by the returned pointer may be doomed.
- * Any persistent usage of the object requires a refcount to be taken using
- * ttm_bo_reference_unless_doomed(). Iff this function returns successfully it
- * needs to be paired with vmw_user_bo_noref_release() and no sleeping-
- * or scheduling functions may be called in between these function calls.
- *
- * Return: A struct vmw_buffer_object pointer if successful or negative
- * error pointer on failure.
- */
-struct vmw_buffer_object *
-vmw_user_bo_noref_lookup(struct drm_file *filp, u32 handle)
-{
- struct vmw_buffer_object *vmw_bo;
- struct ttm_buffer_object *bo;
- struct drm_gem_object *gobj = drm_gem_object_lookup(filp, handle);
-
- if (!gobj) {
- DRM_ERROR("Invalid buffer object handle 0x%08lx.\n",
- (unsigned long)handle);
- return ERR_PTR(-ESRCH);
- }
- vmw_bo = gem_to_vmw_bo(gobj);
- bo = ttm_bo_get_unless_zero(&vmw_bo->base);
- vmw_bo = vmw_buffer_object(bo);
- drm_gem_object_put(gobj);
-
- return vmw_bo;
-}
-
-
-/**
* vmw_bo_fence_single - Utility function to fence a single TTM buffer
* object without unreserving it.
*
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index b062b020b378..5acbf5849b27 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -830,12 +830,7 @@ extern int vmw_user_resource_lookup_handle(
uint32_t handle,
const struct vmw_user_resource_conv *converter,
struct vmw_resource **p_res);
-extern struct vmw_resource *
-vmw_user_resource_noref_lookup_handle(struct vmw_private *dev_priv,
- struct ttm_object_file *tfile,
- uint32_t handle,
- const struct vmw_user_resource_conv *
- converter);
+
extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data,
@@ -875,15 +870,6 @@ static inline bool vmw_resource_mob_attached(const struct vmw_resource *res)
}
/**
- * vmw_user_resource_noref_release - release a user resource pointer looked up
- * without reference
- */
-static inline void vmw_user_resource_noref_release(void)
-{
- ttm_base_object_noref_release();
-}
-
-/**
* Buffer object helper functions - vmwgfx_bo.c
*/
extern int vmw_bo_pin_in_placement(struct vmw_private *vmw_priv,
@@ -934,8 +920,6 @@ extern void vmw_bo_unmap(struct vmw_buffer_object *vbo);
extern void vmw_bo_move_notify(struct ttm_buffer_object *bo,
struct ttm_resource *mem);
extern void vmw_bo_swap_notify(struct ttm_buffer_object *bo);
-extern struct vmw_buffer_object *
-vmw_user_bo_noref_lookup(struct drm_file *filp, u32 handle);
/**
* vmw_bo_adjust_prio - Adjust the buffer object eviction priority
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index a5379f6fb5ab..a44d53e33cdb 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -290,20 +290,26 @@ static void vmw_execbuf_rcache_update(struct vmw_res_cache_entry *rcache,
rcache->valid_handle = 0;
}
+enum vmw_val_add_flags {
+ vmw_val_add_flag_none = 0,
+ vmw_val_add_flag_noctx = 1 << 0,
+};
+
/**
- * vmw_execbuf_res_noref_val_add - Add a resource described by an unreferenced
- * rcu-protected pointer to the validation list.
+ * vmw_execbuf_res_val_add - Add a resource to the validation list.
*
* @sw_context: Pointer to the software context.
* @res: Unreferenced rcu-protected pointer to the resource.
* @dirty: Whether to change dirty status.
+ * @flags: specifies whether to use the context or not
*
* Returns: 0 on success. Negative error code on failure. Typical error codes
* are %-EINVAL on inconsistency and %-ESRCH if the resource was doomed.
*/
-static int vmw_execbuf_res_noref_val_add(struct vmw_sw_context *sw_context,
- struct vmw_resource *res,
- u32 dirty)
+static int vmw_execbuf_res_val_add(struct vmw_sw_context *sw_context,
+ struct vmw_resource *res,
+ u32 dirty,
+ u32 flags)
{
struct vmw_private *dev_priv = res->dev_priv;
int ret;
@@ -318,24 +324,30 @@ static int vmw_execbuf_res_noref_val_add(struct vmw_sw_context *sw_context,
if (dirty)
vmw_validation_res_set_dirty(sw_context->ctx,
rcache->private, dirty);
- vmw_user_resource_noref_release();
return 0;
}
- priv_size = vmw_execbuf_res_size(dev_priv, res_type);
- ret = vmw_validation_add_resource(sw_context->ctx, res, priv_size,
- dirty, (void **)&ctx_info,
- &first_usage);
- vmw_user_resource_noref_release();
- if (ret)
- return ret;
+ if ((flags & vmw_val_add_flag_noctx) != 0) {
+ ret = vmw_validation_add_resource(sw_context->ctx, res, 0, dirty,
+ (void **)&ctx_info, NULL);
+ if (ret)
+ return ret;
- if (priv_size && first_usage) {
- ret = vmw_cmd_ctx_first_setup(dev_priv, sw_context, res,
- ctx_info);
- if (ret) {
- VMW_DEBUG_USER("Failed first usage context setup.\n");
+ } else {
+ priv_size = vmw_execbuf_res_size(dev_priv, res_type);
+ ret = vmw_validation_add_resource(sw_context->ctx, res, priv_size,
+ dirty, (void **)&ctx_info,
+ &first_usage);
+ if (ret)
return ret;
+
+ if (priv_size && first_usage) {
+ ret = vmw_cmd_ctx_first_setup(dev_priv, sw_context, res,
+ ctx_info);
+ if (ret) {
+ VMW_DEBUG_USER("Failed first usage context setup.\n");
+ return ret;
+ }
}
}
@@ -344,43 +356,6 @@ static int vmw_execbuf_res_noref_val_add(struct vmw_sw_context *sw_context,
}
/**
- * vmw_execbuf_res_noctx_val_add - Add a non-context resource to the resource
- * validation list if it's not already on it
- *
- * @sw_context: Pointer to the software context.
- * @res: Pointer to the resource.
- * @dirty: Whether to change dirty status.
- *
- * Returns: Zero on success. Negative error code on failure.
- */
-static int vmw_execbuf_res_noctx_val_add(struct vmw_sw_context *sw_context,
- struct vmw_resource *res,
- u32 dirty)
-{
- struct vmw_res_cache_entry *rcache;
- enum vmw_res_type res_type = vmw_res_type(res);
- void *ptr;
- int ret;
-
- rcache = &sw_context->res_cache[res_type];
- if (likely(rcache->valid && rcache->res == res)) {
- if (dirty)
- vmw_validation_res_set_dirty(sw_context->ctx,
- rcache->private, dirty);
- return 0;
- }
-
- ret = vmw_validation_add_resource(sw_context->ctx, res, 0, dirty,
- &ptr, NULL);
- if (ret)
- return ret;
-
- vmw_execbuf_rcache_update(rcache, res, ptr);
-
- return 0;
-}
-
-/**
* vmw_view_res_val_add - Add a view and the surface it's pointing to to the
* validation list
*
@@ -398,13 +373,13 @@ static int vmw_view_res_val_add(struct vmw_sw_context *sw_context,
* First add the resource the view is pointing to, otherwise it may be
* swapped out when the view is validated.
*/
- ret = vmw_execbuf_res_noctx_val_add(sw_context, vmw_view_srf(view),
- vmw_view_dirtying(view));
+ ret = vmw_execbuf_res_val_add(sw_context, vmw_view_srf(view),
+ vmw_view_dirtying(view), vmw_val_add_flag_noctx);
if (ret)
return ret;
- return vmw_execbuf_res_noctx_val_add(sw_context, view,
- VMW_RES_DIRTY_NONE);
+ return vmw_execbuf_res_val_add(sw_context, view, VMW_RES_DIRTY_NONE,
+ vmw_val_add_flag_noctx);
}
/**
@@ -475,8 +450,9 @@ static int vmw_resource_context_res_add(struct vmw_private *dev_priv,
if (IS_ERR(res))
continue;
- ret = vmw_execbuf_res_noctx_val_add(sw_context, res,
- VMW_RES_DIRTY_SET);
+ ret = vmw_execbuf_res_val_add(sw_context, res,
+ VMW_RES_DIRTY_SET,
+ vmw_val_add_flag_noctx);
if (unlikely(ret != 0))
return ret;
}
@@ -490,9 +466,9 @@ static int vmw_resource_context_res_add(struct vmw_private *dev_priv,
if (vmw_res_type(entry->res) == vmw_res_view)
ret = vmw_view_res_val_add(sw_context, entry->res);
else
- ret = vmw_execbuf_res_noctx_val_add
- (sw_context, entry->res,
- vmw_binding_dirtying(entry->bt));
+ ret = vmw_execbuf_res_val_add(sw_context, entry->res,
+ vmw_binding_dirtying(entry->bt),
+ vmw_val_add_flag_noctx);
if (unlikely(ret != 0))
break;
}
@@ -658,7 +634,8 @@ vmw_cmd_res_check(struct vmw_private *dev_priv,
{
struct vmw_res_cache_entry *rcache = &sw_context->res_cache[res_type];
struct vmw_resource *res;
- int ret;
+ int ret = 0;
+ bool needs_unref = false;
if (p_res)
*p_res = NULL;
@@ -683,17 +660,18 @@ vmw_cmd_res_check(struct vmw_private *dev_priv,
if (ret)
return ret;
- res = vmw_user_resource_noref_lookup_handle
- (dev_priv, sw_context->fp->tfile, *id_loc, converter);
- if (IS_ERR(res)) {
+ ret = vmw_user_resource_lookup_handle
+ (dev_priv, sw_context->fp->tfile, *id_loc, converter, &res);
+ if (ret != 0) {
VMW_DEBUG_USER("Could not find/use resource 0x%08x.\n",
(unsigned int) *id_loc);
- return PTR_ERR(res);
+ return ret;
}
+ needs_unref = true;
- ret = vmw_execbuf_res_noref_val_add(sw_context, res, dirty);
+ ret = vmw_execbuf_res_val_add(sw_context, res, dirty, vmw_val_add_flag_none);
if (unlikely(ret != 0))
- return ret;
+ goto res_check_done;
if (rcache->valid && rcache->res == res) {
rcache->valid_handle = true;
@@ -708,7 +686,11 @@ vmw_cmd_res_check(struct vmw_private *dev_priv,
if (p_res)
*p_res = res;
- return 0;
+res_check_done:
+ if (needs_unref)
+ vmw_resource_unreference(&res);
+
+ return ret;
}
/**
@@ -1171,9 +1153,9 @@ static int vmw_translate_mob_ptr(struct vmw_private *dev_priv,
int ret;
vmw_validation_preload_bo(sw_context->ctx);
- vmw_bo = vmw_user_bo_noref_lookup(sw_context->filp, handle);
- if (IS_ERR(vmw_bo)) {
- VMW_DEBUG_USER("Could not find or use MOB buffer.\n");
+ ret = vmw_user_bo_lookup(sw_context->filp, handle, &vmw_bo);
+ if (ret != 0) {
+ drm_dbg(&dev_priv->drm, "Could not find or use MOB buffer.\n");
return PTR_ERR(vmw_bo);
}
ret = vmw_validation_add_bo(sw_context->ctx, vmw_bo, true, false);
@@ -1225,9 +1207,9 @@ static int vmw_translate_guest_ptr(struct vmw_private *dev_priv,
int ret;
vmw_validation_preload_bo(sw_context->ctx);
- vmw_bo = vmw_user_bo_noref_lookup(sw_context->filp, handle);
- if (IS_ERR(vmw_bo)) {
- VMW_DEBUG_USER("Could not find or use GMR region.\n");
+ ret = vmw_user_bo_lookup(sw_context->filp, handle, &vmw_bo);
+ if (ret != 0) {
+ drm_dbg(&dev_priv->drm, "Could not find or use GMR region.\n");
return PTR_ERR(vmw_bo);
}
ret = vmw_validation_add_bo(sw_context->ctx, vmw_bo, false, false);
@@ -2025,8 +2007,9 @@ static int vmw_cmd_set_shader(struct vmw_private *dev_priv,
res = vmw_shader_lookup(vmw_context_res_man(ctx),
cmd->body.shid, cmd->body.type);
if (!IS_ERR(res)) {
- ret = vmw_execbuf_res_noctx_val_add(sw_context, res,
- VMW_RES_DIRTY_NONE);
+ ret = vmw_execbuf_res_val_add(sw_context, res,
+ VMW_RES_DIRTY_NONE,
+ vmw_val_add_flag_noctx);
if (unlikely(ret != 0))
return ret;
@@ -2273,8 +2256,9 @@ static int vmw_cmd_dx_set_shader(struct vmw_private *dev_priv,
return PTR_ERR(res);
}
- ret = vmw_execbuf_res_noctx_val_add(sw_context, res,
- VMW_RES_DIRTY_NONE);
+ ret = vmw_execbuf_res_val_add(sw_context, res,
+ VMW_RES_DIRTY_NONE,
+ vmw_val_add_flag_noctx);
if (ret)
return ret;
}
@@ -2777,8 +2761,8 @@ static int vmw_cmd_dx_bind_shader(struct vmw_private *dev_priv,
return PTR_ERR(res);
}
- ret = vmw_execbuf_res_noctx_val_add(sw_context, res,
- VMW_RES_DIRTY_NONE);
+ ret = vmw_execbuf_res_val_add(sw_context, res, VMW_RES_DIRTY_NONE,
+ vmw_val_add_flag_noctx);
if (ret) {
VMW_DEBUG_USER("Error creating resource validation node.\n");
return ret;
@@ -3098,8 +3082,8 @@ static int vmw_cmd_dx_bind_streamoutput(struct vmw_private *dev_priv,
vmw_dx_streamoutput_set_size(res, cmd->body.sizeInBytes);
- ret = vmw_execbuf_res_noctx_val_add(sw_context, res,
- VMW_RES_DIRTY_NONE);
+ ret = vmw_execbuf_res_val_add(sw_context, res, VMW_RES_DIRTY_NONE,
+ vmw_val_add_flag_noctx);
if (ret) {
DRM_ERROR("Error creating resource validation node.\n");
return ret;
@@ -3148,8 +3132,8 @@ static int vmw_cmd_dx_set_streamoutput(struct vmw_private *dev_priv,
return 0;
}
- ret = vmw_execbuf_res_noctx_val_add(sw_context, res,
- VMW_RES_DIRTY_NONE);
+ ret = vmw_execbuf_res_val_add(sw_context, res, VMW_RES_DIRTY_NONE,
+ vmw_val_add_flag_noctx);
if (ret) {
DRM_ERROR("Error creating resource validation node.\n");
return ret;
@@ -4066,22 +4050,26 @@ static int vmw_execbuf_tie_context(struct vmw_private *dev_priv,
if (ret)
return ret;
- res = vmw_user_resource_noref_lookup_handle
+ ret = vmw_user_resource_lookup_handle
(dev_priv, sw_context->fp->tfile, handle,
- user_context_converter);
- if (IS_ERR(res)) {
+ user_context_converter, &res);
+ if (ret != 0) {
VMW_DEBUG_USER("Could not find or user DX context 0x%08x.\n",
(unsigned int) handle);
- return PTR_ERR(res);
+ return ret;
}
- ret = vmw_execbuf_res_noref_val_add(sw_context, res, VMW_RES_DIRTY_SET);
- if (unlikely(ret != 0))
+ ret = vmw_execbuf_res_val_add(sw_context, res, VMW_RES_DIRTY_SET,
+ vmw_val_add_flag_none);
+ if (unlikely(ret != 0)) {
+ vmw_resource_unreference(&res);
return ret;
+ }
sw_context->dx_ctx_node = vmw_execbuf_info_from_res(sw_context, res);
sw_context->man = vmw_context_res_man(res);
+ vmw_resource_unreference(&res);
return 0;
}
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
index f66caa540e14..c7d645e5ec7b 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
@@ -281,39 +281,6 @@ out_bad_resource:
return ret;
}
-/**
- * vmw_user_resource_noref_lookup_handle - lookup a struct resource from a
- * TTM user-space handle and perform basic type checks
- *
- * @dev_priv: Pointer to a device private struct
- * @tfile: Pointer to a struct ttm_object_file identifying the caller
- * @handle: The TTM user-space handle
- * @converter: Pointer to an object describing the resource type
- *
- * If the handle can't be found or is associated with an incorrect resource
- * type, -EINVAL will be returned.
- */
-struct vmw_resource *
-vmw_user_resource_noref_lookup_handle(struct vmw_private *dev_priv,
- struct ttm_object_file *tfile,
- uint32_t handle,
- const struct vmw_user_resource_conv
- *converter)
-{
- struct ttm_base_object *base;
-
- base = ttm_base_object_noref_lookup(tfile, handle);
- if (!base)
- return ERR_PTR(-ESRCH);
-
- if (unlikely(ttm_base_object_type(base) != converter->object_type)) {
- ttm_base_object_noref_release();
- return ERR_PTR(-EINVAL);
- }
-
- return converter->base_obj_to_res(base);
-}
-
/*
* Helper function that looks either a surface or bo.
*
diff --git a/drivers/gpu/drm/xen/xen_drm_front.c b/drivers/gpu/drm/xen/xen_drm_front.c
index 0d8e6bd1ccbf..90996c108146 100644
--- a/drivers/gpu/drm/xen/xen_drm_front.c
+++ b/drivers/gpu/drm/xen/xen_drm_front.c
@@ -717,7 +717,7 @@ static int xen_drv_probe(struct xenbus_device *xb_dev,
return xenbus_switch_state(xb_dev, XenbusStateInitialising);
}
-static int xen_drv_remove(struct xenbus_device *dev)
+static void xen_drv_remove(struct xenbus_device *dev)
{
struct xen_drm_front_info *front_info = dev_get_drvdata(&dev->dev);
int to = 100;
@@ -751,7 +751,6 @@ static int xen_drv_remove(struct xenbus_device *dev)
xen_drm_drv_fini(front_info);
xenbus_frontend_closed(dev);
- return 0;
}
static const struct xenbus_device_id xen_driver_ids[] = {
diff --git a/drivers/input/misc/xen-kbdfront.c b/drivers/input/misc/xen-kbdfront.c
index 8d8ebdc2039b..67f1c7364c95 100644
--- a/drivers/input/misc/xen-kbdfront.c
+++ b/drivers/input/misc/xen-kbdfront.c
@@ -51,7 +51,7 @@ module_param_array(ptr_size, int, NULL, 0444);
MODULE_PARM_DESC(ptr_size,
"Pointing device width, height in pixels (default 800,600)");
-static int xenkbd_remove(struct xenbus_device *);
+static void xenkbd_remove(struct xenbus_device *);
static int xenkbd_connect_backend(struct xenbus_device *, struct xenkbd_info *);
static void xenkbd_disconnect_backend(struct xenkbd_info *);
@@ -404,7 +404,7 @@ static int xenkbd_resume(struct xenbus_device *dev)
return xenkbd_connect_backend(dev, info);
}
-static int xenkbd_remove(struct xenbus_device *dev)
+static void xenkbd_remove(struct xenbus_device *dev)
{
struct xenkbd_info *info = dev_get_drvdata(&dev->dev);
@@ -417,7 +417,6 @@ static int xenkbd_remove(struct xenbus_device *dev)
input_unregister_device(info->mtouch);
free_page((unsigned long)info->page);
kfree(info);
- return 0;
}
static int xenkbd_connect_backend(struct xenbus_device *dev,
diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
index ab160198edd6..f2425b0f0cd6 100644
--- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
+++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
@@ -3858,7 +3858,9 @@ static int arm_smmu_device_remove(struct platform_device *pdev)
static void arm_smmu_device_shutdown(struct platform_device *pdev)
{
- arm_smmu_device_remove(pdev);
+ struct arm_smmu_device *smmu = platform_get_drvdata(pdev);
+
+ arm_smmu_device_disable(smmu);
}
static const struct of_device_id arm_smmu_of_match[] = {
diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu.c b/drivers/iommu/arm/arm-smmu/arm-smmu.c
index 719fbca1fe52..2ff7a72cf377 100644
--- a/drivers/iommu/arm/arm-smmu/arm-smmu.c
+++ b/drivers/iommu/arm/arm-smmu/arm-smmu.c
@@ -1316,8 +1316,14 @@ static bool arm_smmu_capable(struct device *dev, enum iommu_cap cap)
switch (cap) {
case IOMMU_CAP_CACHE_COHERENCY:
- /* Assume that a coherent TCU implies coherent TBUs */
- return cfg->smmu->features & ARM_SMMU_FEAT_COHERENT_WALK;
+ /*
+ * It's overwhelmingly the case in practice that when the pagetable
+ * walk interface is connected to a coherent interconnect, all the
+ * translation interfaces are too. Furthermore if the device is
+ * natively coherent, then its translation interface must also be.
+ */
+ return cfg->smmu->features & ARM_SMMU_FEAT_COHERENT_WALK ||
+ device_get_dma_attr(dev) == DEV_DMA_COHERENT;
case IOMMU_CAP_NOEXEC:
return true;
default:
@@ -2185,19 +2191,16 @@ static int arm_smmu_device_probe(struct platform_device *pdev)
return 0;
}
-static int arm_smmu_device_remove(struct platform_device *pdev)
+static void arm_smmu_device_shutdown(struct platform_device *pdev)
{
struct arm_smmu_device *smmu = platform_get_drvdata(pdev);
if (!smmu)
- return -ENODEV;
+ return;
if (!bitmap_empty(smmu->context_map, ARM_SMMU_MAX_CBS))
dev_notice(&pdev->dev, "disabling translation\n");
- iommu_device_unregister(&smmu->iommu);
- iommu_device_sysfs_remove(&smmu->iommu);
-
arm_smmu_rpm_get(smmu);
/* Turn the thing off */
arm_smmu_gr0_write(smmu, ARM_SMMU_GR0_sCR0, ARM_SMMU_sCR0_CLIENTPD);
@@ -2209,12 +2212,21 @@ static int arm_smmu_device_remove(struct platform_device *pdev)
clk_bulk_disable(smmu->num_clks, smmu->clks);
clk_bulk_unprepare(smmu->num_clks, smmu->clks);
- return 0;
}
-static void arm_smmu_device_shutdown(struct platform_device *pdev)
+static int arm_smmu_device_remove(struct platform_device *pdev)
{
- arm_smmu_device_remove(pdev);
+ struct arm_smmu_device *smmu = platform_get_drvdata(pdev);
+
+ if (!smmu)
+ return -ENODEV;
+
+ iommu_device_unregister(&smmu->iommu);
+ iommu_device_sysfs_remove(&smmu->iommu);
+
+ arm_smmu_device_shutdown(pdev);
+
+ return 0;
}
static int __maybe_unused arm_smmu_runtime_resume(struct device *dev)
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index de91dd88705b..5f6a85aea501 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -3185,14 +3185,16 @@ EXPORT_SYMBOL_GPL(iommu_group_claim_dma_owner);
*/
int iommu_device_claim_dma_owner(struct device *dev, void *owner)
{
- struct iommu_group *group = iommu_group_get(dev);
+ struct iommu_group *group;
int ret = 0;
- if (!group)
- return -ENODEV;
if (WARN_ON(!owner))
return -EINVAL;
+ group = iommu_group_get(dev);
+ if (!group)
+ return -ENODEV;
+
mutex_lock(&group->mutex);
if (group->owner_cnt) {
if (group->owner != owner) {
diff --git a/drivers/iommu/iova.c b/drivers/iommu/iova.c
index a44ad92fc5eb..fe452ce46642 100644
--- a/drivers/iommu/iova.c
+++ b/drivers/iommu/iova.c
@@ -197,7 +197,7 @@ static int __alloc_and_insert_iova_range(struct iova_domain *iovad,
curr = __get_cached_rbnode(iovad, limit_pfn);
curr_iova = to_iova(curr);
- retry_pfn = curr_iova->pfn_hi + 1;
+ retry_pfn = curr_iova->pfn_hi;
retry:
do {
@@ -211,7 +211,7 @@ retry:
if (high_pfn < size || new_pfn < low_pfn) {
if (low_pfn == iovad->start_pfn && retry_pfn < limit_pfn) {
high_pfn = limit_pfn;
- low_pfn = retry_pfn;
+ low_pfn = retry_pfn + 1;
curr = iova_find_limit(iovad, limit_pfn);
curr_iova = to_iova(curr);
goto retry;
diff --git a/drivers/iommu/mtk_iommu_v1.c b/drivers/iommu/mtk_iommu_v1.c
index 69682ee068d2..ca581ff1c769 100644
--- a/drivers/iommu/mtk_iommu_v1.c
+++ b/drivers/iommu/mtk_iommu_v1.c
@@ -683,7 +683,7 @@ static int mtk_iommu_v1_probe(struct platform_device *pdev)
ret = iommu_device_sysfs_add(&data->iommu, &pdev->dev, NULL,
dev_name(&pdev->dev));
if (ret)
- return ret;
+ goto out_clk_unprepare;
ret = iommu_device_register(&data->iommu, &mtk_iommu_v1_ops, dev);
if (ret)
@@ -698,6 +698,8 @@ out_dev_unreg:
iommu_device_unregister(&data->iommu);
out_sysfs_remove:
iommu_device_sysfs_remove(&data->iommu);
+out_clk_unprepare:
+ clk_disable_unprepare(data->bclk);
return ret;
}
diff --git a/drivers/mtd/parsers/scpart.c b/drivers/mtd/parsers/scpart.c
index 02601bb33de4..6e5e11c37078 100644
--- a/drivers/mtd/parsers/scpart.c
+++ b/drivers/mtd/parsers/scpart.c
@@ -50,7 +50,7 @@ static int scpart_scan_partmap(struct mtd_info *master, loff_t partmap_offs,
int cnt = 0;
int res = 0;
int res2;
- loff_t offs;
+ uint32_t offs;
size_t retlen;
struct sc_part_desc *pdesc = NULL;
struct sc_part_desc *tmpdesc;
diff --git a/drivers/mtd/parsers/tplink_safeloader.c b/drivers/mtd/parsers/tplink_safeloader.c
index f601e7bd8627..1c689dafca2a 100644
--- a/drivers/mtd/parsers/tplink_safeloader.c
+++ b/drivers/mtd/parsers/tplink_safeloader.c
@@ -91,7 +91,7 @@ static int mtd_parser_tplink_safeloader_parse(struct mtd_info *mtd,
buf = mtd_parser_tplink_safeloader_read_table(mtd);
if (!buf) {
err = -ENOENT;
- goto err_out;
+ goto err_free_parts;
}
for (idx = 0, offset = TPLINK_SAFELOADER_DATA_OFFSET;
@@ -118,6 +118,8 @@ static int mtd_parser_tplink_safeloader_parse(struct mtd_info *mtd,
err_free:
for (idx -= 1; idx >= 0; idx--)
kfree(parts[idx].name);
+err_free_parts:
+ kfree(parts);
err_out:
return err;
};
diff --git a/drivers/mtd/spi-nor/core.c b/drivers/mtd/spi-nor/core.c
index d8703d7dfd0a..d67c926bca8b 100644
--- a/drivers/mtd/spi-nor/core.c
+++ b/drivers/mtd/spi-nor/core.c
@@ -10,6 +10,7 @@
#include <linux/err.h>
#include <linux/errno.h>
#include <linux/module.h>
+#include <linux/delay.h>
#include <linux/device.h>
#include <linux/mutex.h>
#include <linux/math64.h>
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 16ce7a90610c..240a7e8a7652 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -993,7 +993,7 @@ static struct sk_buff *bnxt_rx_multi_page_skb(struct bnxt *bp,
DMA_ATTR_WEAK_ORDERING);
skb = build_skb(page_address(page), PAGE_SIZE);
if (!skb) {
- __free_page(page);
+ page_pool_recycle_direct(rxr->page_pool, page);
return NULL;
}
skb_mark_for_recycle(skb);
@@ -1031,7 +1031,7 @@ static struct sk_buff *bnxt_rx_page_skb(struct bnxt *bp,
skb = napi_alloc_skb(&rxr->bnapi->napi, payload);
if (!skb) {
- __free_page(page);
+ page_pool_recycle_direct(rxr->page_pool, page);
return NULL;
}
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
index 081bd2c3f289..e84e5be8e59e 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
@@ -3130,7 +3130,7 @@ static int hclgevf_set_channels(struct hnae3_handle *handle, u32 new_tqps_num,
hclgevf_update_rss_size(handle, new_tqps_num);
- hclge_comm_get_rss_tc_info(cur_rss_size, hdev->hw_tc_map,
+ hclge_comm_get_rss_tc_info(kinfo->rss_size, hdev->hw_tc_map,
tc_offset, tc_valid, tc_size);
ret = hclge_comm_set_rss_tc_mode(&hdev->hw.hw, tc_offset,
tc_valid, tc_size);
diff --git a/drivers/net/ethernet/intel/iavf/iavf_main.c b/drivers/net/ethernet/intel/iavf/iavf_main.c
index c4e451ef7942..adc02adef83a 100644
--- a/drivers/net/ethernet/intel/iavf/iavf_main.c
+++ b/drivers/net/ethernet/intel/iavf/iavf_main.c
@@ -3850,7 +3850,7 @@ static int iavf_parse_cls_flower(struct iavf_adapter *adapter,
field_flags |= IAVF_CLOUD_FIELD_IIP;
} else {
dev_err(&adapter->pdev->dev, "Bad ip src mask 0x%08x\n",
- be32_to_cpu(match.mask->dst));
+ be32_to_cpu(match.mask->src));
return -EINVAL;
}
}
diff --git a/drivers/net/ethernet/intel/ice/ice_gnss.c b/drivers/net/ethernet/intel/ice/ice_gnss.c
index b5a7f246d230..43e199b5b513 100644
--- a/drivers/net/ethernet/intel/ice/ice_gnss.c
+++ b/drivers/net/ethernet/intel/ice/ice_gnss.c
@@ -363,6 +363,7 @@ ice_gnss_tty_write(struct tty_struct *tty, const unsigned char *buf, int count)
/* Send the data out to a hardware port */
write_buf = kzalloc(sizeof(*write_buf), GFP_KERNEL);
if (!write_buf) {
+ kfree(cmd_buf);
err = -ENOMEM;
goto exit;
}
@@ -460,6 +461,9 @@ static struct tty_driver *ice_gnss_create_tty_driver(struct ice_pf *pf)
for (i = 0; i < ICE_GNSS_TTY_MINOR_DEVICES; i++) {
pf->gnss_tty_port[i] = kzalloc(sizeof(*pf->gnss_tty_port[i]),
GFP_KERNEL);
+ if (!pf->gnss_tty_port[i])
+ goto err_out;
+
pf->gnss_serial[i] = NULL;
tty_port_init(pf->gnss_tty_port[i]);
@@ -469,21 +473,23 @@ static struct tty_driver *ice_gnss_create_tty_driver(struct ice_pf *pf)
err = tty_register_driver(tty_driver);
if (err) {
dev_err(dev, "Failed to register TTY driver err=%d\n", err);
-
- for (i = 0; i < ICE_GNSS_TTY_MINOR_DEVICES; i++) {
- tty_port_destroy(pf->gnss_tty_port[i]);
- kfree(pf->gnss_tty_port[i]);
- }
- kfree(ttydrv_name);
- tty_driver_kref_put(pf->ice_gnss_tty_driver);
-
- return NULL;
+ goto err_out;
}
for (i = 0; i < ICE_GNSS_TTY_MINOR_DEVICES; i++)
dev_info(dev, "%s%d registered\n", ttydrv_name, i);
return tty_driver;
+
+err_out:
+ while (i--) {
+ tty_port_destroy(pf->gnss_tty_port[i]);
+ kfree(pf->gnss_tty_port[i]);
+ }
+ kfree(ttydrv_name);
+ tty_driver_kref_put(pf->ice_gnss_tty_driver);
+
+ return NULL;
}
/**
diff --git a/drivers/net/ethernet/intel/igc/igc_defines.h b/drivers/net/ethernet/intel/igc/igc_defines.h
index a7b22639cfcd..e9747ec5ac0b 100644
--- a/drivers/net/ethernet/intel/igc/igc_defines.h
+++ b/drivers/net/ethernet/intel/igc/igc_defines.h
@@ -475,7 +475,9 @@
#define IGC_TSAUXC_EN_TT0 BIT(0) /* Enable target time 0. */
#define IGC_TSAUXC_EN_TT1 BIT(1) /* Enable target time 1. */
#define IGC_TSAUXC_EN_CLK0 BIT(2) /* Enable Configurable Frequency Clock 0. */
+#define IGC_TSAUXC_ST0 BIT(4) /* Start Clock 0 Toggle on Target Time 0. */
#define IGC_TSAUXC_EN_CLK1 BIT(5) /* Enable Configurable Frequency Clock 1. */
+#define IGC_TSAUXC_ST1 BIT(7) /* Start Clock 1 Toggle on Target Time 1. */
#define IGC_TSAUXC_EN_TS0 BIT(8) /* Enable hardware timestamp 0. */
#define IGC_TSAUXC_AUTT0 BIT(9) /* Auxiliary Timestamp Taken. */
#define IGC_TSAUXC_EN_TS1 BIT(10) /* Enable hardware timestamp 0. */
diff --git a/drivers/net/ethernet/intel/igc/igc_ptp.c b/drivers/net/ethernet/intel/igc/igc_ptp.c
index 8dbb9f903ca7..c34734d432e0 100644
--- a/drivers/net/ethernet/intel/igc/igc_ptp.c
+++ b/drivers/net/ethernet/intel/igc/igc_ptp.c
@@ -322,7 +322,7 @@ static int igc_ptp_feature_enable_i225(struct ptp_clock_info *ptp,
ts = ns_to_timespec64(ns);
if (rq->perout.index == 1) {
if (use_freq) {
- tsauxc_mask = IGC_TSAUXC_EN_CLK1;
+ tsauxc_mask = IGC_TSAUXC_EN_CLK1 | IGC_TSAUXC_ST1;
tsim_mask = 0;
} else {
tsauxc_mask = IGC_TSAUXC_EN_TT1;
@@ -333,7 +333,7 @@ static int igc_ptp_feature_enable_i225(struct ptp_clock_info *ptp,
freqout = IGC_FREQOUT1;
} else {
if (use_freq) {
- tsauxc_mask = IGC_TSAUXC_EN_CLK0;
+ tsauxc_mask = IGC_TSAUXC_EN_CLK0 | IGC_TSAUXC_ST0;
tsim_mask = 0;
} else {
tsauxc_mask = IGC_TSAUXC_EN_TT0;
@@ -347,10 +347,12 @@ static int igc_ptp_feature_enable_i225(struct ptp_clock_info *ptp,
tsauxc = rd32(IGC_TSAUXC);
tsim = rd32(IGC_TSIM);
if (rq->perout.index == 1) {
- tsauxc &= ~(IGC_TSAUXC_EN_TT1 | IGC_TSAUXC_EN_CLK1);
+ tsauxc &= ~(IGC_TSAUXC_EN_TT1 | IGC_TSAUXC_EN_CLK1 |
+ IGC_TSAUXC_ST1);
tsim &= ~IGC_TSICR_TT1;
} else {
- tsauxc &= ~(IGC_TSAUXC_EN_TT0 | IGC_TSAUXC_EN_CLK0);
+ tsauxc &= ~(IGC_TSAUXC_EN_TT0 | IGC_TSAUXC_EN_CLK0 |
+ IGC_TSAUXC_ST0);
tsim &= ~IGC_TSICR_TT0;
}
if (on) {
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
index 24aa97f993ca..123dca9ce468 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
@@ -855,9 +855,11 @@ static struct pci_dev *ixgbe_get_first_secondary_devfn(unsigned int devfn)
rp_pdev = pci_get_domain_bus_and_slot(0, 0, devfn);
if (rp_pdev && rp_pdev->subordinate) {
bus = rp_pdev->subordinate->number;
+ pci_dev_put(rp_pdev);
return pci_get_domain_bus_and_slot(0, bus, 0);
}
+ pci_dev_put(rp_pdev);
return NULL;
}
@@ -874,6 +876,7 @@ static bool ixgbe_x550em_a_has_mii(struct ixgbe_hw *hw)
struct ixgbe_adapter *adapter = hw->back;
struct pci_dev *pdev = adapter->pdev;
struct pci_dev *func0_pdev;
+ bool has_mii = false;
/* For the C3000 family of SoCs (x550em_a) the internal ixgbe devices
* are always downstream of root ports @ 0000:00:16.0 & 0000:00:17.0
@@ -884,15 +887,16 @@ static bool ixgbe_x550em_a_has_mii(struct ixgbe_hw *hw)
func0_pdev = ixgbe_get_first_secondary_devfn(PCI_DEVFN(0x16, 0));
if (func0_pdev) {
if (func0_pdev == pdev)
- return true;
- else
- return false;
+ has_mii = true;
+ goto out;
}
func0_pdev = ixgbe_get_first_secondary_devfn(PCI_DEVFN(0x17, 0));
if (func0_pdev == pdev)
- return true;
+ has_mii = true;
- return false;
+out:
+ pci_dev_put(func0_pdev);
+ return has_mii;
}
/**
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
index b2b71fe80d61..724df6398bbe 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
@@ -774,9 +774,9 @@ int cgx_lmac_rx_tx_enable(void *cgxd, int lmac_id, bool enable)
cfg = cgx_read(cgx, lmac_id, CGXX_CMRX_CFG);
if (enable)
- cfg |= CMR_EN | DATA_PKT_RX_EN | DATA_PKT_TX_EN;
+ cfg |= DATA_PKT_RX_EN | DATA_PKT_TX_EN;
else
- cfg &= ~(CMR_EN | DATA_PKT_RX_EN | DATA_PKT_TX_EN);
+ cfg &= ~(DATA_PKT_RX_EN | DATA_PKT_TX_EN);
cgx_write(cgx, lmac_id, CGXX_CMRX_CFG, cfg);
return 0;
}
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cgx.h b/drivers/net/ethernet/marvell/octeontx2/af/cgx.h
index fb2d37676d84..5a20d93004c7 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/cgx.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/cgx.h
@@ -26,7 +26,6 @@
#define CMR_P2X_SEL_SHIFT 59ULL
#define CMR_P2X_SEL_NIX0 1ULL
#define CMR_P2X_SEL_NIX1 2ULL
-#define CMR_EN BIT_ULL(55)
#define DATA_PKT_TX_EN BIT_ULL(53)
#define DATA_PKT_RX_EN BIT_ULL(54)
#define CGX_LMAC_TYPE_SHIFT 40
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c
index 86653bb8e403..7f8ffbf79cf7 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c
@@ -758,6 +758,8 @@ static void otx2vf_remove(struct pci_dev *pdev)
if (vf->otx2_wq)
destroy_workqueue(vf->otx2_wq);
otx2_ptp_destroy(vf);
+ otx2_mcam_flow_del(vf);
+ otx2_shutdown_tc(vf);
otx2vf_disable_mbox_intr(vf);
otx2_detach_resources(&vf->mbox);
if (test_bit(CN10K_LMTST, &vf->hw.cap_flag))
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
index d3ca745d107d..c837103a9ee3 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
@@ -2176,15 +2176,9 @@ int mlx5_cmd_init(struct mlx5_core_dev *dev)
return -EINVAL;
}
- cmd->stats = kvcalloc(MLX5_CMD_OP_MAX, sizeof(*cmd->stats), GFP_KERNEL);
- if (!cmd->stats)
- return -ENOMEM;
-
cmd->pool = dma_pool_create("mlx5_cmd", mlx5_core_dma_dev(dev), size, align, 0);
- if (!cmd->pool) {
- err = -ENOMEM;
- goto dma_pool_err;
- }
+ if (!cmd->pool)
+ return -ENOMEM;
err = alloc_cmd_page(dev, cmd);
if (err)
@@ -2268,8 +2262,6 @@ err_free_page:
err_free_pool:
dma_pool_destroy(cmd->pool);
-dma_pool_err:
- kvfree(cmd->stats);
return err;
}
@@ -2282,7 +2274,6 @@ void mlx5_cmd_cleanup(struct mlx5_core_dev *dev)
destroy_msg_cache(dev);
free_cmd_page(dev, cmd);
dma_pool_destroy(cmd->pool);
- kvfree(cmd->stats);
}
void mlx5_cmd_set_state(struct mlx5_core_dev *dev,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/police.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/police.c
index 512d43148922..c4378afdec09 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/police.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/police.c
@@ -34,12 +34,6 @@ static int police_act_validate(const struct flow_action_entry *act,
return -EOPNOTSUPP;
}
- if (act->police.rate_pkt_ps) {
- NL_SET_ERR_MSG_MOD(extack,
- "QoS offload not support packets per second");
- return -EOPNOTSUPP;
- }
-
return 0;
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc/post_meter.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc/post_meter.c
index 8d7d761482d2..50b60fd00946 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc/post_meter.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc/post_meter.c
@@ -127,6 +127,7 @@ mlx5e_post_meter_add_rule(struct mlx5e_priv *priv,
attr->counter = act_counter;
attr->flags |= MLX5_ATTR_FLAG_NO_IN_PORT;
+ attr->inner_match_level = MLX5_MATCH_NONE;
attr->outer_match_level = MLX5_MATCH_NONE;
attr->chain = 0;
attr->prio = 0;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_vxlan.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_vxlan.c
index fd07c4cbfd1d..1f62c702b625 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_vxlan.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_vxlan.c
@@ -88,6 +88,8 @@ static int mlx5e_gen_ip_tunnel_header_vxlan(char buf[],
struct udphdr *udp = (struct udphdr *)(buf);
struct vxlanhdr *vxh;
+ if (tun_key->tun_flags & TUNNEL_VXLAN_OPT)
+ return -EOPNOTSUPP;
vxh = (struct vxlanhdr *)((char *)udp + sizeof(struct udphdr));
*ip_proto = IPPROTO_UDP;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c
index 9369a580743e..7f6b940830b3 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c
@@ -62,6 +62,7 @@ struct mlx5e_macsec_sa {
u32 enc_key_id;
u32 next_pn;
sci_t sci;
+ ssci_t ssci;
salt_t salt;
struct rhash_head hash;
@@ -358,7 +359,6 @@ static int mlx5e_macsec_init_sa(struct macsec_context *ctx,
struct mlx5_core_dev *mdev = priv->mdev;
struct mlx5_macsec_obj_attrs obj_attrs;
union mlx5e_macsec_rule *macsec_rule;
- struct macsec_key *key;
int err;
obj_attrs.next_pn = sa->next_pn;
@@ -368,13 +368,9 @@ static int mlx5e_macsec_init_sa(struct macsec_context *ctx,
obj_attrs.aso_pdn = macsec->aso.pdn;
obj_attrs.epn_state = sa->epn_state;
- key = (is_tx) ? &ctx->sa.tx_sa->key : &ctx->sa.rx_sa->key;
-
if (sa->epn_state.epn_enabled) {
- obj_attrs.ssci = (is_tx) ? cpu_to_be32((__force u32)ctx->sa.tx_sa->ssci) :
- cpu_to_be32((__force u32)ctx->sa.rx_sa->ssci);
-
- memcpy(&obj_attrs.salt, &key->salt, sizeof(key->salt));
+ obj_attrs.ssci = cpu_to_be32((__force u32)sa->ssci);
+ memcpy(&obj_attrs.salt, &sa->salt, sizeof(sa->salt));
}
obj_attrs.replay_window = ctx->secy->replay_window;
@@ -499,10 +495,11 @@ mlx5e_macsec_get_macsec_device_context(const struct mlx5e_macsec *macsec,
}
static void update_macsec_epn(struct mlx5e_macsec_sa *sa, const struct macsec_key *key,
- const pn_t *next_pn_halves)
+ const pn_t *next_pn_halves, ssci_t ssci)
{
struct mlx5e_macsec_epn_state *epn_state = &sa->epn_state;
+ sa->ssci = ssci;
sa->salt = key->salt;
epn_state->epn_enabled = 1;
epn_state->epn_msb = next_pn_halves->upper;
@@ -550,7 +547,8 @@ static int mlx5e_macsec_add_txsa(struct macsec_context *ctx)
tx_sa->assoc_num = assoc_num;
if (secy->xpn)
- update_macsec_epn(tx_sa, &ctx_tx_sa->key, &ctx_tx_sa->next_pn_halves);
+ update_macsec_epn(tx_sa, &ctx_tx_sa->key, &ctx_tx_sa->next_pn_halves,
+ ctx_tx_sa->ssci);
err = mlx5_create_encryption_key(mdev, ctx->sa.key, secy->key_len,
MLX5_ACCEL_OBJ_MACSEC_KEY,
@@ -945,7 +943,8 @@ static int mlx5e_macsec_add_rxsa(struct macsec_context *ctx)
rx_sa->fs_id = rx_sc->sc_xarray_element->fs_id;
if (ctx->secy->xpn)
- update_macsec_epn(rx_sa, &ctx_rx_sa->key, &ctx_rx_sa->next_pn_halves);
+ update_macsec_epn(rx_sa, &ctx_rx_sa->key, &ctx_rx_sa->next_pn_halves,
+ ctx_rx_sa->ssci);
err = mlx5_create_encryption_key(mdev, ctx->sa.key, ctx->secy->key_len,
MLX5_ACCEL_OBJ_MACSEC_KEY,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index cff5f2e29e1e..abcc614b6191 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -4084,6 +4084,9 @@ static netdev_features_t mlx5e_fix_features(struct net_device *netdev,
struct mlx5e_vlan_table *vlan;
struct mlx5e_params *params;
+ if (!netif_device_present(netdev))
+ return features;
+
vlan = mlx5e_fs_get_vlan(priv->fs);
mutex_lock(&priv->state_lock);
params = &priv->channels.params;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
index 75b9e1528fd2..7d90e5b72854 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
@@ -191,7 +191,7 @@ static MLX5E_DECLARE_STATS_GRP_OP_UPDATE_STATS(vport_rep)
if (err) {
netdev_warn(priv->netdev, "vport %d error %d reading stats\n",
rep->vport, err);
- return;
+ goto out;
}
#define MLX5_GET_CTR(p, x) \
@@ -241,6 +241,7 @@ static MLX5E_DECLARE_STATS_GRP_OP_UPDATE_STATS(vport_rep)
rep_stats->tx_vport_rdma_multicast_bytes =
MLX5_GET_CTR(out, received_ib_multicast.octets);
+out:
kvfree(out);
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
index c8820ab22169..3df455f6b168 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
@@ -2419,7 +2419,7 @@ static inline void mlx5i_complete_rx_cqe(struct mlx5e_rq *rq,
priv = mlx5i_epriv(netdev);
tstamp = &priv->tstamp;
- stats = rq->stats;
+ stats = &priv->channel_stats[rq->ix]->rq;
flags_rqpn = be32_to_cpu(cqe->flags_rqpn);
g = (flags_rqpn >> 28) & 3;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
index 9af2aa2922f5..dbadaf166487 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -1301,7 +1301,6 @@ mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv,
if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) {
err = mlx5e_attach_mod_hdr(priv, flow, parse_attr);
- mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts);
if (err)
return err;
}
@@ -1359,8 +1358,10 @@ static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv,
}
mutex_unlock(&tc->t_lock);
- if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)
+ if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) {
+ mlx5e_mod_hdr_dealloc(&attr->parse_attr->mod_hdr_acts);
mlx5e_detach_mod_hdr(priv, flow);
+ }
if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT)
mlx5_fc_destroy(priv->mdev, attr->counter);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
index e455b215c708..c981fa77f439 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
@@ -143,7 +143,7 @@ mlx5_eswitch_set_rule_source_port(struct mlx5_eswitch *esw,
if (mlx5_esw_indir_table_decap_vport(attr))
vport = mlx5_esw_indir_table_decap_vport(attr);
- if (attr && !attr->chain && esw_attr->int_port)
+ if (!attr->chain && esw_attr && esw_attr->int_port)
metadata =
mlx5e_tc_int_port_get_metadata_for_match(esw_attr->int_port);
else
@@ -4143,8 +4143,6 @@ int mlx5_devlink_port_fn_migratable_set(struct devlink_port *port, bool enable,
}
hca_caps = MLX5_ADDR_OF(query_hca_cap_out, query_ctx, capability);
- memcpy(hca_caps, MLX5_ADDR_OF(query_hca_cap_out, query_ctx, capability),
- MLX5_UN_SZ_BYTES(hca_cap_union));
MLX5_SET(cmd_hca_cap_2, hca_caps, migratable, 1);
err = mlx5_vport_set_other_func_cap(esw->dev, hca_caps, vport->vport,
@@ -4236,8 +4234,6 @@ int mlx5_devlink_port_fn_roce_set(struct devlink_port *port, bool enable,
}
hca_caps = MLX5_ADDR_OF(query_hca_cap_out, query_ctx, capability);
- memcpy(hca_caps, MLX5_ADDR_OF(query_hca_cap_out, query_ctx, capability),
- MLX5_UN_SZ_BYTES(hca_cap_union));
MLX5_SET(cmd_hca_cap, hca_caps, roce, enable);
err = mlx5_vport_set_other_func_cap(esw->dev, hca_caps, vport_num,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ethtool.c
index c247cca154e9..eff92dc0927c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ethtool.c
@@ -90,9 +90,21 @@ static void mlx5i_get_ringparam(struct net_device *dev,
static int mlx5i_set_channels(struct net_device *dev,
struct ethtool_channels *ch)
{
- struct mlx5e_priv *priv = mlx5i_epriv(dev);
+ struct mlx5i_priv *ipriv = netdev_priv(dev);
+ struct mlx5e_priv *epriv = mlx5i_epriv(dev);
+
+ /* rtnl lock protects from race between this ethtool op and sub
+ * interface ndo_init/uninit.
+ */
+ ASSERT_RTNL();
+ if (ipriv->num_sub_interfaces > 0) {
+ mlx5_core_warn(epriv->mdev,
+ "can't change number of channels for interfaces with sub interfaces (%u)\n",
+ ipriv->num_sub_interfaces);
+ return -EINVAL;
+ }
- return mlx5e_ethtool_set_channels(priv, ch);
+ return mlx5e_ethtool_set_channels(epriv, ch);
}
static void mlx5i_get_channels(struct net_device *dev,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c
index 2c73c8445e63..911cf4d23964 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c
@@ -160,6 +160,44 @@ void mlx5i_get_stats(struct net_device *dev, struct rtnl_link_stats64 *stats)
stats->tx_dropped = sstats->tx_queue_dropped;
}
+struct net_device *mlx5i_parent_get(struct net_device *netdev)
+{
+ struct mlx5e_priv *priv = mlx5i_epriv(netdev);
+ struct mlx5i_priv *ipriv, *parent_ipriv;
+ struct net_device *parent_dev;
+ int parent_ifindex;
+
+ ipriv = priv->ppriv;
+
+ parent_ifindex = netdev->netdev_ops->ndo_get_iflink(netdev);
+ parent_dev = dev_get_by_index(dev_net(netdev), parent_ifindex);
+ if (!parent_dev)
+ return NULL;
+
+ parent_ipriv = netdev_priv(parent_dev);
+
+ ASSERT_RTNL();
+ parent_ipriv->num_sub_interfaces++;
+
+ ipriv->parent_dev = parent_dev;
+
+ return parent_dev;
+}
+
+void mlx5i_parent_put(struct net_device *netdev)
+{
+ struct mlx5e_priv *priv = mlx5i_epriv(netdev);
+ struct mlx5i_priv *ipriv, *parent_ipriv;
+
+ ipriv = priv->ppriv;
+ parent_ipriv = netdev_priv(ipriv->parent_dev);
+
+ ASSERT_RTNL();
+ parent_ipriv->num_sub_interfaces--;
+
+ dev_put(ipriv->parent_dev);
+}
+
int mlx5i_init_underlay_qp(struct mlx5e_priv *priv)
{
struct mlx5_core_dev *mdev = priv->mdev;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.h b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.h
index 99d46fda9f82..f3f2af972020 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.h
@@ -54,9 +54,11 @@ struct mlx5i_priv {
struct rdma_netdev rn; /* keep this first */
u32 qpn;
bool sub_interface;
+ u32 num_sub_interfaces;
u32 qkey;
u16 pkey_index;
struct mlx5i_pkey_qpn_ht *qpn_htbl;
+ struct net_device *parent_dev;
char *mlx5e_priv[];
};
@@ -117,5 +119,9 @@ void mlx5i_sq_xmit(struct mlx5e_txqsq *sq, struct sk_buff *skb,
struct mlx5_av *av, u32 dqpn, u32 dqkey, bool xmit_more);
void mlx5i_get_stats(struct net_device *dev, struct rtnl_link_stats64 *stats);
+/* Reference management for child to parent interfaces. */
+struct net_device *mlx5i_parent_get(struct net_device *netdev);
+void mlx5i_parent_put(struct net_device *netdev);
+
#endif /* CONFIG_MLX5_CORE_IPOIB */
#endif /* __MLX5E_IPOB_H__ */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib_vlan.c b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib_vlan.c
index 4d9c9e49645c..03e681297937 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib_vlan.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib_vlan.c
@@ -158,21 +158,28 @@ static int mlx5i_pkey_dev_init(struct net_device *dev)
struct mlx5e_priv *priv = mlx5i_epriv(dev);
struct mlx5i_priv *ipriv, *parent_ipriv;
struct net_device *parent_dev;
- int parent_ifindex;
ipriv = priv->ppriv;
- /* Get QPN to netdevice hash table from parent */
- parent_ifindex = dev->netdev_ops->ndo_get_iflink(dev);
- parent_dev = dev_get_by_index(dev_net(dev), parent_ifindex);
+ /* Link to parent */
+ parent_dev = mlx5i_parent_get(dev);
if (!parent_dev) {
mlx5_core_warn(priv->mdev, "failed to get parent device\n");
return -EINVAL;
}
+ if (dev->num_rx_queues < parent_dev->real_num_rx_queues) {
+ mlx5_core_warn(priv->mdev,
+ "failed to create child device with rx queues [%d] less than parent's [%d]\n",
+ dev->num_rx_queues,
+ parent_dev->real_num_rx_queues);
+ mlx5i_parent_put(dev);
+ return -EINVAL;
+ }
+
+ /* Get QPN to netdevice hash table from parent */
parent_ipriv = netdev_priv(parent_dev);
ipriv->qpn_htbl = parent_ipriv->qpn_htbl;
- dev_put(parent_dev);
return mlx5i_dev_init(dev);
}
@@ -184,6 +191,7 @@ static int mlx5i_pkey_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
static void mlx5i_pkey_dev_cleanup(struct net_device *netdev)
{
+ mlx5i_parent_put(netdev);
return mlx5i_dev_cleanup(netdev);
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c
index 69cfe60c558a..69318b143268 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c
@@ -681,7 +681,7 @@ static int mlx5_ptp_verify(struct ptp_clock_info *ptp, unsigned int pin,
static const struct ptp_clock_info mlx5_ptp_clock_info = {
.owner = THIS_MODULE,
.name = "mlx5_ptp",
- .max_adj = 100000000,
+ .max_adj = 50000000,
.n_alarm = 0,
.n_ext_ts = 0,
.n_per_out = 0,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_rule.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_rule.c
index 74cbe53ee9db..b851141e03de 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_rule.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_rule.c
@@ -3,7 +3,12 @@
#include "dr_types.h"
+#if defined(CONFIG_FRAME_WARN) && (CONFIG_FRAME_WARN < 2048)
+/* don't try to optimize STE allocation if the stack is too constaraining */
+#define DR_RULE_MAX_STES_OPTIMIZED 0
+#else
#define DR_RULE_MAX_STES_OPTIMIZED 5
+#endif
#define DR_RULE_MAX_STE_CHAIN_OPTIMIZED (DR_RULE_MAX_STES_OPTIMIZED + DR_ACTION_MAX_STES)
static int dr_rule_append_to_miss_list(struct mlx5dr_domain *dmn,
@@ -1218,10 +1223,7 @@ dr_rule_create_rule_nic(struct mlx5dr_rule *rule,
mlx5dr_domain_nic_unlock(nic_dmn);
- if (unlikely(!hw_ste_arr_is_opt))
- kfree(hw_ste_arr);
-
- return 0;
+ goto out;
free_rule:
dr_rule_clean_rule_members(rule, nic_rule);
@@ -1238,6 +1240,7 @@ remove_from_nic_tbl:
free_hw_ste:
mlx5dr_domain_nic_unlock(nic_dmn);
+out:
if (unlikely(!hw_ste_arr_is_opt))
kfree(hw_ste_arr);
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
index c22c3ac4e2a1..09e32778b012 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
@@ -2951,7 +2951,7 @@ struct mlxsw_sp_nexthop_group_info {
gateway:1, /* routes using the group use a gateway */
is_resilient:1;
struct list_head list; /* member in nh_res_grp_list */
- struct mlxsw_sp_nexthop nexthops[0];
+ struct mlxsw_sp_nexthop nexthops[];
#define nh_rif nexthops[0].rif
};
diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_ptp.c b/drivers/net/ethernet/microchip/lan966x/lan966x_ptp.c
index f9ebfaafbebc..a8348437dd87 100644
--- a/drivers/net/ethernet/microchip/lan966x/lan966x_ptp.c
+++ b/drivers/net/ethernet/microchip/lan966x/lan966x_ptp.c
@@ -1073,6 +1073,9 @@ void lan966x_ptp_deinit(struct lan966x *lan966x)
struct lan966x_port *port;
int i;
+ if (!lan966x->ptp)
+ return;
+
for (i = 0; i < lan966x->num_phys_ports; i++) {
port = lan966x->ports[i];
if (!port)
diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_vcap_impl.c b/drivers/net/ethernet/microchip/lan966x/lan966x_vcap_impl.c
index d8dc9fbb81e1..a54c0426a35f 100644
--- a/drivers/net/ethernet/microchip/lan966x/lan966x_vcap_impl.c
+++ b/drivers/net/ethernet/microchip/lan966x/lan966x_vcap_impl.c
@@ -95,10 +95,7 @@ lan966x_vcap_is2_get_port_keysets(struct net_device *dev, int lookup,
bool found = false;
u32 val;
- /* Check if the port keyset selection is enabled */
val = lan_rd(lan966x, ANA_VCAP_S2_CFG(port->chip_port));
- if (!ANA_VCAP_S2_CFG_ENA_GET(val))
- return -ENOENT;
/* Collect all keysets for the port in a list */
if (l3_proto == ETH_P_ALL)
diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c
index 24592d972523..dadd61bccfe7 100644
--- a/drivers/net/ethernet/realtek/r8169_main.c
+++ b/drivers/net/ethernet/realtek/r8169_main.c
@@ -1996,10 +1996,7 @@ static enum mac_version rtl8169_get_mac_version(u16 xid, bool gmii)
/* 8168F family. */
{ 0x7c8, 0x488, RTL_GIGA_MAC_VER_38 },
- /* It seems this chip version never made it to
- * the wild. Let's disable detection.
- * { 0x7cf, 0x481, RTL_GIGA_MAC_VER_36 },
- */
+ { 0x7cf, 0x481, RTL_GIGA_MAC_VER_36 },
{ 0x7cf, 0x480, RTL_GIGA_MAC_VER_35 },
/* 8168E family. */
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c
index d42e1afb6521..2f7d8e4561d9 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c
@@ -90,7 +90,6 @@ struct mediatek_dwmac_plat_data {
struct mediatek_dwmac_variant {
int (*dwmac_set_phy_interface)(struct mediatek_dwmac_plat_data *plat);
int (*dwmac_set_delay)(struct mediatek_dwmac_plat_data *plat);
- void (*dwmac_fix_mac_speed)(void *priv, unsigned int speed);
/* clock ids to be requested */
const char * const *clk_list;
@@ -443,32 +442,9 @@ static int mt8195_set_delay(struct mediatek_dwmac_plat_data *plat)
return 0;
}
-static void mt8195_fix_mac_speed(void *priv, unsigned int speed)
-{
- struct mediatek_dwmac_plat_data *priv_plat = priv;
-
- if ((phy_interface_mode_is_rgmii(priv_plat->phy_mode))) {
- /* prefer 2ns fixed delay which is controlled by TXC_PHASE_CTRL,
- * when link speed is 1Gbps with RGMII interface,
- * Fall back to delay macro circuit for 10/100Mbps link speed.
- */
- if (speed == SPEED_1000)
- regmap_update_bits(priv_plat->peri_regmap,
- MT8195_PERI_ETH_CTRL0,
- MT8195_RGMII_TXC_PHASE_CTRL |
- MT8195_DLY_GTXC_ENABLE |
- MT8195_DLY_GTXC_INV |
- MT8195_DLY_GTXC_STAGES,
- MT8195_RGMII_TXC_PHASE_CTRL);
- else
- mt8195_set_delay(priv_plat);
- }
-}
-
static const struct mediatek_dwmac_variant mt8195_gmac_variant = {
.dwmac_set_phy_interface = mt8195_set_interface,
.dwmac_set_delay = mt8195_set_delay,
- .dwmac_fix_mac_speed = mt8195_fix_mac_speed,
.clk_list = mt8195_dwmac_clk_l,
.num_clks = ARRAY_SIZE(mt8195_dwmac_clk_l),
.dma_bit_mask = 35,
@@ -619,8 +595,6 @@ static int mediatek_dwmac_common_data(struct platform_device *pdev,
plat->bsp_priv = priv_plat;
plat->init = mediatek_dwmac_init;
plat->clks_config = mediatek_dwmac_clks_config;
- if (priv_plat->variant->dwmac_fix_mac_speed)
- plat->fix_mac_speed = priv_plat->variant->dwmac_fix_mac_speed;
plat->safety_feat_cfg = devm_kzalloc(&pdev->dev,
sizeof(*plat->safety_feat_cfg),
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c
index fc06ddeac0d5..b4388ca8d211 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c
@@ -210,7 +210,10 @@ static int stmmac_enable(struct ptp_clock_info *ptp,
}
writel(acr_value, ptpaddr + PTP_ACR);
mutex_unlock(&priv->aux_ts_lock);
- ret = 0;
+ /* wait for auxts fifo clear to finish */
+ ret = readl_poll_timeout(ptpaddr + PTP_ACR, acr_value,
+ !(acr_value & PTP_ACR_ATSFC),
+ 10, 10000);
break;
default:
diff --git a/drivers/net/ipa/data/ipa_data-v4.7.c b/drivers/net/ipa/data/ipa_data-v4.7.c
index 7552c400961e..b83390c48615 100644
--- a/drivers/net/ipa/data/ipa_data-v4.7.c
+++ b/drivers/net/ipa/data/ipa_data-v4.7.c
@@ -357,7 +357,7 @@ static const struct ipa_mem ipa_mem_local_data[] = {
static const struct ipa_mem_data ipa_mem_data = {
.local_count = ARRAY_SIZE(ipa_mem_local_data),
.local = ipa_mem_local_data,
- .imem_addr = 0x146a9000,
+ .imem_addr = 0x146a8000,
.imem_size = 0x00002000,
.smem_id = 497,
.smem_size = 0x00009000,
diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c
index 8911cd2ed534..c140edb4b648 100644
--- a/drivers/net/usb/cdc_ether.c
+++ b/drivers/net/usb/cdc_ether.c
@@ -1008,6 +1008,12 @@ static const struct usb_device_id products[] = {
USB_CDC_PROTO_NONE),
.driver_info = (unsigned long)&wwan_info,
}, {
+ /* Cinterion PLS62-W modem by GEMALTO/THALES */
+ USB_DEVICE_AND_INTERFACE_INFO(0x1e2d, 0x005b, USB_CLASS_COMM,
+ USB_CDC_SUBCLASS_ETHERNET,
+ USB_CDC_PROTO_NONE),
+ .driver_info = (unsigned long)&wwan_info,
+}, {
/* Cinterion PLS83/PLS63 modem by GEMALTO/THALES */
USB_DEVICE_AND_INTERFACE_INFO(0x1e2d, 0x0069, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET,
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index a481a1d831e2..23da1d9dafd1 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -9836,6 +9836,7 @@ static const struct usb_device_id rtl8152_table[] = {
REALTEK_USB_DEVICE(VENDOR_ID_MICROSOFT, 0x07ab),
REALTEK_USB_DEVICE(VENDOR_ID_MICROSOFT, 0x07c6),
REALTEK_USB_DEVICE(VENDOR_ID_MICROSOFT, 0x0927),
+ REALTEK_USB_DEVICE(VENDOR_ID_MICROSOFT, 0x0c5e),
REALTEK_USB_DEVICE(VENDOR_ID_SAMSUNG, 0xa101),
REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x304f),
REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x3054),
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c
index a83699de01ec..fdd0c9abc1a1 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c
@@ -79,7 +79,8 @@ void brcmf_of_probe(struct device *dev, enum brcmf_bus_type bus_type,
/* Apple ARM64 platforms have their own idea of board type, passed in
* via the device tree. They also have an antenna SKU parameter
*/
- if (!of_property_read_string(np, "brcm,board-type", &prop))
+ err = of_property_read_string(np, "brcm,board-type", &prop);
+ if (!err)
settings->board_type = prop;
if (!of_property_read_string(np, "apple,antenna-sku", &prop))
@@ -87,7 +88,7 @@ void brcmf_of_probe(struct device *dev, enum brcmf_bus_type bus_type,
/* Set board-type to the first string of the machine compatible prop */
root = of_find_node_by_path("/");
- if (root && !settings->board_type) {
+ if (root && err) {
char *board_type;
const char *tmp;
diff --git a/drivers/net/xen-netback/xenbus.c b/drivers/net/xen-netback/xenbus.c
index c1ba4294f364..001636901dda 100644
--- a/drivers/net/xen-netback/xenbus.c
+++ b/drivers/net/xen-netback/xenbus.c
@@ -977,7 +977,7 @@ static int read_xenbus_vif_flags(struct backend_info *be)
return 0;
}
-static int netback_remove(struct xenbus_device *dev)
+static void netback_remove(struct xenbus_device *dev)
{
struct backend_info *be = dev_get_drvdata(&dev->dev);
@@ -992,7 +992,6 @@ static int netback_remove(struct xenbus_device *dev)
kfree(be->hotplug_script);
kfree(be);
dev_set_drvdata(&dev->dev, NULL);
- return 0;
}
/*
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index 14aec417fa06..12b074286df9 100644
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -2646,7 +2646,7 @@ static void xennet_bus_close(struct xenbus_device *dev)
} while (!ret);
}
-static int xennet_remove(struct xenbus_device *dev)
+static void xennet_remove(struct xenbus_device *dev)
{
struct netfront_info *info = dev_get_drvdata(&dev->dev);
@@ -2662,8 +2662,6 @@ static int xennet_remove(struct xenbus_device *dev)
rtnl_unlock();
}
xennet_free_netdev(info->netdev);
-
- return 0;
}
static const struct xenbus_device_id netfront_ids[] = {
diff --git a/drivers/nfc/pn533/usb.c b/drivers/nfc/pn533/usb.c
index 6f71ac72012e..ed9c5e2cf3ad 100644
--- a/drivers/nfc/pn533/usb.c
+++ b/drivers/nfc/pn533/usb.c
@@ -153,10 +153,17 @@ static int pn533_usb_send_ack(struct pn533 *dev, gfp_t flags)
return usb_submit_urb(phy->ack_urb, flags);
}
+struct pn533_out_arg {
+ struct pn533_usb_phy *phy;
+ struct completion done;
+};
+
static int pn533_usb_send_frame(struct pn533 *dev,
struct sk_buff *out)
{
struct pn533_usb_phy *phy = dev->phy;
+ struct pn533_out_arg arg;
+ void *cntx;
int rc;
if (phy->priv == NULL)
@@ -168,10 +175,17 @@ static int pn533_usb_send_frame(struct pn533 *dev,
print_hex_dump_debug("PN533 TX: ", DUMP_PREFIX_NONE, 16, 1,
out->data, out->len, false);
+ init_completion(&arg.done);
+ cntx = phy->out_urb->context;
+ phy->out_urb->context = &arg;
+
rc = usb_submit_urb(phy->out_urb, GFP_KERNEL);
if (rc)
return rc;
+ wait_for_completion(&arg.done);
+ phy->out_urb->context = cntx;
+
if (dev->protocol_type == PN533_PROTO_REQ_RESP) {
/* request for response for sent packet directly */
rc = pn533_submit_urb_for_response(phy, GFP_KERNEL);
@@ -408,7 +422,31 @@ static int pn533_acr122_poweron_rdr(struct pn533_usb_phy *phy)
return arg.rc;
}
-static void pn533_send_complete(struct urb *urb)
+static void pn533_out_complete(struct urb *urb)
+{
+ struct pn533_out_arg *arg = urb->context;
+ struct pn533_usb_phy *phy = arg->phy;
+
+ switch (urb->status) {
+ case 0:
+ break; /* success */
+ case -ECONNRESET:
+ case -ENOENT:
+ dev_dbg(&phy->udev->dev,
+ "The urb has been stopped (status %d)\n",
+ urb->status);
+ break;
+ case -ESHUTDOWN:
+ default:
+ nfc_err(&phy->udev->dev,
+ "Urb failure (status %d)\n",
+ urb->status);
+ }
+
+ complete(&arg->done);
+}
+
+static void pn533_ack_complete(struct urb *urb)
{
struct pn533_usb_phy *phy = urb->context;
@@ -496,10 +534,10 @@ static int pn533_usb_probe(struct usb_interface *interface,
usb_fill_bulk_urb(phy->out_urb, phy->udev,
usb_sndbulkpipe(phy->udev, out_endpoint),
- NULL, 0, pn533_send_complete, phy);
+ NULL, 0, pn533_out_complete, phy);
usb_fill_bulk_urb(phy->ack_urb, phy->udev,
usb_sndbulkpipe(phy->udev, out_endpoint),
- NULL, 0, pn533_send_complete, phy);
+ NULL, 0, pn533_ack_complete, phy);
switch (id->driver_info) {
case PN533_DEVICE_STD:
diff --git a/drivers/nvme/host/apple.c b/drivers/nvme/host/apple.c
index e36aeb50b4ed..bf1c60edb7f9 100644
--- a/drivers/nvme/host/apple.c
+++ b/drivers/nvme/host/apple.c
@@ -1493,7 +1493,7 @@ static int apple_nvme_probe(struct platform_device *pdev)
}
ret = nvme_init_ctrl(&anv->ctrl, anv->dev, &nvme_ctrl_ops,
- NVME_QUIRK_SKIP_CID_GEN);
+ NVME_QUIRK_SKIP_CID_GEN | NVME_QUIRK_IDENTIFY_CNS);
if (ret) {
dev_err_probe(dev, ret, "Failed to initialize nvme_ctrl");
goto put_dev;
diff --git a/drivers/nvme/host/ioctl.c b/drivers/nvme/host/ioctl.c
index a8639919237e..06f52db34be9 100644
--- a/drivers/nvme/host/ioctl.c
+++ b/drivers/nvme/host/ioctl.c
@@ -8,8 +8,13 @@
#include <linux/io_uring.h>
#include "nvme.h"
+enum {
+ NVME_IOCTL_VEC = (1 << 0),
+ NVME_IOCTL_PARTITION = (1 << 1),
+};
+
static bool nvme_cmd_allowed(struct nvme_ns *ns, struct nvme_command *c,
- fmode_t mode)
+ unsigned int flags, fmode_t mode)
{
u32 effects;
@@ -17,6 +22,13 @@ static bool nvme_cmd_allowed(struct nvme_ns *ns, struct nvme_command *c,
return true;
/*
+ * Do not allow unprivileged passthrough on partitions, as that allows an
+ * escape from the containment of the partition.
+ */
+ if (flags & NVME_IOCTL_PARTITION)
+ return false;
+
+ /*
* Do not allow unprivileged processes to send vendor specific or fabrics
* commands as we can't be sure about their effects.
*/
@@ -150,7 +162,7 @@ static struct request *nvme_alloc_user_request(struct request_queue *q,
static int nvme_map_user_request(struct request *req, u64 ubuffer,
unsigned bufflen, void __user *meta_buffer, unsigned meta_len,
u32 meta_seed, void **metap, struct io_uring_cmd *ioucmd,
- bool vec)
+ unsigned int flags)
{
struct request_queue *q = req->q;
struct nvme_ns *ns = q->queuedata;
@@ -163,7 +175,7 @@ static int nvme_map_user_request(struct request *req, u64 ubuffer,
struct iov_iter iter;
/* fixedbufs is only for non-vectored io */
- if (WARN_ON_ONCE(vec))
+ if (WARN_ON_ONCE(flags & NVME_IOCTL_VEC))
return -EINVAL;
ret = io_uring_cmd_import_fixed(ubuffer, bufflen,
rq_data_dir(req), &iter, ioucmd);
@@ -172,8 +184,8 @@ static int nvme_map_user_request(struct request *req, u64 ubuffer,
ret = blk_rq_map_user_iov(q, req, NULL, &iter, GFP_KERNEL);
} else {
ret = blk_rq_map_user_io(req, NULL, nvme_to_user_ptr(ubuffer),
- bufflen, GFP_KERNEL, vec, 0, 0,
- rq_data_dir(req));
+ bufflen, GFP_KERNEL, flags & NVME_IOCTL_VEC, 0,
+ 0, rq_data_dir(req));
}
if (ret)
@@ -203,9 +215,9 @@ out:
}
static int nvme_submit_user_cmd(struct request_queue *q,
- struct nvme_command *cmd, u64 ubuffer,
- unsigned bufflen, void __user *meta_buffer, unsigned meta_len,
- u32 meta_seed, u64 *result, unsigned timeout, bool vec)
+ struct nvme_command *cmd, u64 ubuffer, unsigned bufflen,
+ void __user *meta_buffer, unsigned meta_len, u32 meta_seed,
+ u64 *result, unsigned timeout, unsigned int flags)
{
struct nvme_ctrl *ctrl;
struct request *req;
@@ -221,7 +233,7 @@ static int nvme_submit_user_cmd(struct request_queue *q,
req->timeout = timeout;
if (ubuffer && bufflen) {
ret = nvme_map_user_request(req, ubuffer, bufflen, meta_buffer,
- meta_len, meta_seed, &meta, NULL, vec);
+ meta_len, meta_seed, &meta, NULL, flags);
if (ret)
return ret;
}
@@ -304,10 +316,8 @@ static int nvme_submit_io(struct nvme_ns *ns, struct nvme_user_io __user *uio)
c.rw.apptag = cpu_to_le16(io.apptag);
c.rw.appmask = cpu_to_le16(io.appmask);
- return nvme_submit_user_cmd(ns->queue, &c,
- io.addr, length,
- metadata, meta_len, lower_32_bits(io.slba), NULL, 0,
- false);
+ return nvme_submit_user_cmd(ns->queue, &c, io.addr, length, metadata,
+ meta_len, lower_32_bits(io.slba), NULL, 0, 0);
}
static bool nvme_validate_passthru_nsid(struct nvme_ctrl *ctrl,
@@ -325,7 +335,8 @@ static bool nvme_validate_passthru_nsid(struct nvme_ctrl *ctrl,
}
static int nvme_user_cmd(struct nvme_ctrl *ctrl, struct nvme_ns *ns,
- struct nvme_passthru_cmd __user *ucmd, fmode_t mode)
+ struct nvme_passthru_cmd __user *ucmd, unsigned int flags,
+ fmode_t mode)
{
struct nvme_passthru_cmd cmd;
struct nvme_command c;
@@ -353,16 +364,15 @@ static int nvme_user_cmd(struct nvme_ctrl *ctrl, struct nvme_ns *ns,
c.common.cdw14 = cpu_to_le32(cmd.cdw14);
c.common.cdw15 = cpu_to_le32(cmd.cdw15);
- if (!nvme_cmd_allowed(ns, &c, mode))
+ if (!nvme_cmd_allowed(ns, &c, 0, mode))
return -EACCES;
if (cmd.timeout_ms)
timeout = msecs_to_jiffies(cmd.timeout_ms);
status = nvme_submit_user_cmd(ns ? ns->queue : ctrl->admin_q, &c,
- cmd.addr, cmd.data_len,
- nvme_to_user_ptr(cmd.metadata), cmd.metadata_len,
- 0, &result, timeout, false);
+ cmd.addr, cmd.data_len, nvme_to_user_ptr(cmd.metadata),
+ cmd.metadata_len, 0, &result, timeout, 0);
if (status >= 0) {
if (put_user(result, &ucmd->result))
@@ -373,8 +383,8 @@ static int nvme_user_cmd(struct nvme_ctrl *ctrl, struct nvme_ns *ns,
}
static int nvme_user_cmd64(struct nvme_ctrl *ctrl, struct nvme_ns *ns,
- struct nvme_passthru_cmd64 __user *ucmd, bool vec,
- fmode_t mode)
+ struct nvme_passthru_cmd64 __user *ucmd, unsigned int flags,
+ fmode_t mode)
{
struct nvme_passthru_cmd64 cmd;
struct nvme_command c;
@@ -401,16 +411,15 @@ static int nvme_user_cmd64(struct nvme_ctrl *ctrl, struct nvme_ns *ns,
c.common.cdw14 = cpu_to_le32(cmd.cdw14);
c.common.cdw15 = cpu_to_le32(cmd.cdw15);
- if (!nvme_cmd_allowed(ns, &c, mode))
+ if (!nvme_cmd_allowed(ns, &c, flags, mode))
return -EACCES;
if (cmd.timeout_ms)
timeout = msecs_to_jiffies(cmd.timeout_ms);
status = nvme_submit_user_cmd(ns ? ns->queue : ctrl->admin_q, &c,
- cmd.addr, cmd.data_len,
- nvme_to_user_ptr(cmd.metadata), cmd.metadata_len,
- 0, &cmd.result, timeout, vec);
+ cmd.addr, cmd.data_len, nvme_to_user_ptr(cmd.metadata),
+ cmd.metadata_len, 0, &cmd.result, timeout, flags);
if (status >= 0) {
if (put_user(cmd.result, &ucmd->result))
@@ -571,7 +580,7 @@ static int nvme_uring_cmd_io(struct nvme_ctrl *ctrl, struct nvme_ns *ns,
c.common.cdw14 = cpu_to_le32(READ_ONCE(cmd->cdw14));
c.common.cdw15 = cpu_to_le32(READ_ONCE(cmd->cdw15));
- if (!nvme_cmd_allowed(ns, &c, ioucmd->file->f_mode))
+ if (!nvme_cmd_allowed(ns, &c, 0, ioucmd->file->f_mode))
return -EACCES;
d.metadata = READ_ONCE(cmd->metadata);
@@ -641,9 +650,9 @@ static int nvme_ctrl_ioctl(struct nvme_ctrl *ctrl, unsigned int cmd,
{
switch (cmd) {
case NVME_IOCTL_ADMIN_CMD:
- return nvme_user_cmd(ctrl, NULL, argp, mode);
+ return nvme_user_cmd(ctrl, NULL, argp, 0, mode);
case NVME_IOCTL_ADMIN64_CMD:
- return nvme_user_cmd64(ctrl, NULL, argp, false, mode);
+ return nvme_user_cmd64(ctrl, NULL, argp, 0, mode);
default:
return sed_ioctl(ctrl->opal_dev, cmd, argp);
}
@@ -668,14 +677,14 @@ struct nvme_user_io32 {
#endif /* COMPAT_FOR_U64_ALIGNMENT */
static int nvme_ns_ioctl(struct nvme_ns *ns, unsigned int cmd,
- void __user *argp, fmode_t mode)
+ void __user *argp, unsigned int flags, fmode_t mode)
{
switch (cmd) {
case NVME_IOCTL_ID:
force_successful_syscall_return();
return ns->head->ns_id;
case NVME_IOCTL_IO_CMD:
- return nvme_user_cmd(ns->ctrl, ns, argp, mode);
+ return nvme_user_cmd(ns->ctrl, ns, argp, flags, mode);
/*
* struct nvme_user_io can have different padding on some 32-bit ABIs.
* Just accept the compat version as all fields that are used are the
@@ -686,37 +695,40 @@ static int nvme_ns_ioctl(struct nvme_ns *ns, unsigned int cmd,
#endif
case NVME_IOCTL_SUBMIT_IO:
return nvme_submit_io(ns, argp);
- case NVME_IOCTL_IO64_CMD:
- return nvme_user_cmd64(ns->ctrl, ns, argp, false, mode);
case NVME_IOCTL_IO64_CMD_VEC:
- return nvme_user_cmd64(ns->ctrl, ns, argp, true, mode);
+ flags |= NVME_IOCTL_VEC;
+ fallthrough;
+ case NVME_IOCTL_IO64_CMD:
+ return nvme_user_cmd64(ns->ctrl, ns, argp, flags, mode);
default:
return -ENOTTY;
}
}
-static int __nvme_ioctl(struct nvme_ns *ns, unsigned int cmd, void __user *arg,
- fmode_t mode)
-{
- if (is_ctrl_ioctl(cmd))
- return nvme_ctrl_ioctl(ns->ctrl, cmd, arg, mode);
- return nvme_ns_ioctl(ns, cmd, arg, mode);
-}
-
int nvme_ioctl(struct block_device *bdev, fmode_t mode,
unsigned int cmd, unsigned long arg)
{
struct nvme_ns *ns = bdev->bd_disk->private_data;
+ void __user *argp = (void __user *)arg;
+ unsigned int flags = 0;
- return __nvme_ioctl(ns, cmd, (void __user *)arg, mode);
+ if (bdev_is_partition(bdev))
+ flags |= NVME_IOCTL_PARTITION;
+
+ if (is_ctrl_ioctl(cmd))
+ return nvme_ctrl_ioctl(ns->ctrl, cmd, argp, mode);
+ return nvme_ns_ioctl(ns, cmd, argp, flags, mode);
}
long nvme_ns_chr_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
struct nvme_ns *ns =
container_of(file_inode(file)->i_cdev, struct nvme_ns, cdev);
+ void __user *argp = (void __user *)arg;
- return __nvme_ioctl(ns, cmd, (void __user *)arg, file->f_mode);
+ if (is_ctrl_ioctl(cmd))
+ return nvme_ctrl_ioctl(ns->ctrl, cmd, argp, file->f_mode);
+ return nvme_ns_ioctl(ns, cmd, argp, 0, file->f_mode);
}
static int nvme_uring_cmd_checks(unsigned int issue_flags)
@@ -806,6 +818,10 @@ int nvme_ns_head_ioctl(struct block_device *bdev, fmode_t mode,
void __user *argp = (void __user *)arg;
struct nvme_ns *ns;
int srcu_idx, ret = -EWOULDBLOCK;
+ unsigned int flags = 0;
+
+ if (bdev_is_partition(bdev))
+ flags |= NVME_IOCTL_PARTITION;
srcu_idx = srcu_read_lock(&head->srcu);
ns = nvme_find_path(head);
@@ -821,7 +837,7 @@ int nvme_ns_head_ioctl(struct block_device *bdev, fmode_t mode,
return nvme_ns_head_ctrl_ioctl(ns, cmd, argp, head, srcu_idx,
mode);
- ret = nvme_ns_ioctl(ns, cmd, argp, mode);
+ ret = nvme_ns_ioctl(ns, cmd, argp, flags, mode);
out_unlock:
srcu_read_unlock(&head->srcu, srcu_idx);
return ret;
@@ -846,7 +862,7 @@ long nvme_ns_head_chr_ioctl(struct file *file, unsigned int cmd,
return nvme_ns_head_ctrl_ioctl(ns, cmd, argp, head, srcu_idx,
file->f_mode);
- ret = nvme_ns_ioctl(ns, cmd, argp, file->f_mode);
+ ret = nvme_ns_ioctl(ns, cmd, argp, 0, file->f_mode);
out_unlock:
srcu_read_unlock(&head->srcu, srcu_idx);
return ret;
@@ -945,7 +961,7 @@ static int nvme_dev_user_cmd(struct nvme_ctrl *ctrl, void __user *argp,
kref_get(&ns->kref);
up_read(&ctrl->namespaces_rwsem);
- ret = nvme_user_cmd(ctrl, ns, argp, mode);
+ ret = nvme_user_cmd(ctrl, ns, argp, 0, mode);
nvme_put_ns(ns);
return ret;
@@ -962,9 +978,9 @@ long nvme_dev_ioctl(struct file *file, unsigned int cmd,
switch (cmd) {
case NVME_IOCTL_ADMIN_CMD:
- return nvme_user_cmd(ctrl, NULL, argp, file->f_mode);
+ return nvme_user_cmd(ctrl, NULL, argp, 0, file->f_mode);
case NVME_IOCTL_ADMIN64_CMD:
- return nvme_user_cmd64(ctrl, NULL, argp, false, file->f_mode);
+ return nvme_user_cmd64(ctrl, NULL, argp, 0, file->f_mode);
case NVME_IOCTL_IO_CMD:
return nvme_dev_user_cmd(ctrl, argp, file->f_mode);
case NVME_IOCTL_RESET:
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index b13baccedb4a..a2553b7d9bb8 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -2533,7 +2533,7 @@ static int nvme_pci_enable(struct nvme_dev *dev)
*/
result = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_ALL_TYPES);
if (result < 0)
- return result;
+ goto disable;
dev->ctrl.cap = lo_hi_readq(dev->bar + NVME_REG_CAP);
@@ -2586,8 +2586,13 @@ static int nvme_pci_enable(struct nvme_dev *dev)
pci_enable_pcie_error_reporting(pdev);
pci_save_state(pdev);
- return nvme_pci_configure_admin_queue(dev);
+ result = nvme_pci_configure_admin_queue(dev);
+ if (result)
+ goto free_irq;
+ return result;
+ free_irq:
+ pci_free_irq_vectors(pdev);
disable:
pci_disable_device(pdev);
return result;
@@ -3495,7 +3500,8 @@ static const struct pci_device_id nvme_id_table[] = {
.driver_data = NVME_QUIRK_SINGLE_VECTOR |
NVME_QUIRK_128_BYTES_SQES |
NVME_QUIRK_SHARED_TAGS |
- NVME_QUIRK_SKIP_CID_GEN },
+ NVME_QUIRK_SKIP_CID_GEN |
+ NVME_QUIRK_IDENTIFY_CNS },
{ PCI_DEVICE_CLASS(PCI_CLASS_STORAGE_EXPRESS, 0xffffff) },
{ 0, }
};
diff --git a/drivers/pci/controller/dwc/Kconfig b/drivers/pci/controller/dwc/Kconfig
index a0d2713f0e88..99ec91e2a5cf 100644
--- a/drivers/pci/controller/dwc/Kconfig
+++ b/drivers/pci/controller/dwc/Kconfig
@@ -225,7 +225,7 @@ config PCIE_ARTPEC6_EP
config PCIE_BT1
tristate "Baikal-T1 PCIe controller"
depends on MIPS_BAIKAL_T1 || COMPILE_TEST
- depends on PCI_MSI_IRQ_DOMAIN
+ depends on PCI_MSI
select PCIE_DW_HOST
help
Enables support for the PCIe controller in the Baikal-T1 SoC to work
diff --git a/drivers/pci/xen-pcifront.c b/drivers/pci/xen-pcifront.c
index 7378e2f3e525..fcd029ca2eb1 100644
--- a/drivers/pci/xen-pcifront.c
+++ b/drivers/pci/xen-pcifront.c
@@ -1055,14 +1055,12 @@ out:
return err;
}
-static int pcifront_xenbus_remove(struct xenbus_device *xdev)
+static void pcifront_xenbus_remove(struct xenbus_device *xdev)
{
struct pcifront_device *pdev = dev_get_drvdata(&xdev->dev);
if (pdev)
free_pdev(pdev);
-
- return 0;
}
static const struct xenbus_device_id xenpci_ids[] = {
diff --git a/drivers/platform/surface/aggregator/controller.c b/drivers/platform/surface/aggregator/controller.c
index 43e765199137..c6537a1b3a2e 100644
--- a/drivers/platform/surface/aggregator/controller.c
+++ b/drivers/platform/surface/aggregator/controller.c
@@ -1700,8 +1700,10 @@ int ssam_request_sync(struct ssam_controller *ctrl,
return status;
status = ssam_request_sync_init(rqst, spec->flags);
- if (status)
+ if (status) {
+ ssam_request_sync_free(rqst);
return status;
+ }
ssam_request_sync_set_resp(rqst, rsp);
diff --git a/drivers/platform/surface/aggregator/ssh_request_layer.c b/drivers/platform/surface/aggregator/ssh_request_layer.c
index f5565570f16c..69132976d297 100644
--- a/drivers/platform/surface/aggregator/ssh_request_layer.c
+++ b/drivers/platform/surface/aggregator/ssh_request_layer.c
@@ -916,6 +916,20 @@ static void ssh_rtl_rx_command(struct ssh_ptl *p, const struct ssam_span *data)
if (sshp_parse_command(dev, data, &command, &command_data))
return;
+ /*
+ * Check if the message was intended for us. If not, drop it.
+ *
+ * Note: We will need to change this to handle debug messages. On newer
+ * generation devices, these seem to be sent to tid_out=0x03. We as
+ * host can still receive them as they can be forwarded via an override
+ * option on SAM, but doing so does not change tid_out=0x00.
+ */
+ if (command->tid_out != 0x00) {
+ rtl_warn(rtl, "rtl: dropping message not intended for us (tid = %#04x)\n",
+ command->tid_out);
+ return;
+ }
+
if (ssh_rqid_is_event(get_unaligned_le16(&command->rqid)))
ssh_rtl_rx_event(rtl, command, &command_data);
else
diff --git a/drivers/platform/x86/amd/pmc.c b/drivers/platform/x86/amd/pmc.c
index 439d282aafd1..8d924986381b 100644
--- a/drivers/platform/x86/amd/pmc.c
+++ b/drivers/platform/x86/amd/pmc.c
@@ -932,7 +932,7 @@ static int amd_pmc_probe(struct platform_device *pdev)
if (enable_stb && (dev->cpu_id == AMD_CPU_ID_YC || dev->cpu_id == AMD_CPU_ID_CB)) {
err = amd_pmc_s2d_init(dev);
if (err)
- return err;
+ goto err_pci_dev_put;
}
platform_set_drvdata(pdev, dev);
diff --git a/drivers/platform/x86/asus-nb-wmi.c b/drivers/platform/x86/asus-nb-wmi.c
index c685a705b73d..cb15acdf14a3 100644
--- a/drivers/platform/x86/asus-nb-wmi.c
+++ b/drivers/platform/x86/asus-nb-wmi.c
@@ -121,6 +121,10 @@ static struct quirk_entry quirk_asus_tablet_mode = {
.tablet_switch_mode = asus_wmi_lid_flip_rog_devid,
};
+static struct quirk_entry quirk_asus_ignore_fan = {
+ .wmi_ignore_fan = true,
+};
+
static int dmi_matched(const struct dmi_system_id *dmi)
{
pr_info("Identified laptop model '%s'\n", dmi->ident);
@@ -473,6 +477,15 @@ static const struct dmi_system_id asus_quirks[] = {
},
.driver_data = &quirk_asus_tablet_mode,
},
+ {
+ .callback = dmi_matched,
+ .ident = "ASUS VivoBook E410MA",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "E410MA"),
+ },
+ .driver_data = &quirk_asus_ignore_fan,
+ },
{},
};
@@ -511,6 +524,7 @@ static const struct key_entry asus_nb_wmi_keymap[] = {
{ KE_KEY, 0x30, { KEY_VOLUMEUP } },
{ KE_KEY, 0x31, { KEY_VOLUMEDOWN } },
{ KE_KEY, 0x32, { KEY_MUTE } },
+ { KE_KEY, 0x33, { KEY_SCREENLOCK } },
{ KE_KEY, 0x35, { KEY_SCREENLOCK } },
{ KE_KEY, 0x38, { KEY_PROG3 } }, /* Armoury Crate */
{ KE_KEY, 0x40, { KEY_PREVIOUSSONG } },
@@ -544,6 +558,7 @@ static const struct key_entry asus_nb_wmi_keymap[] = {
{ KE_KEY, 0x7D, { KEY_BLUETOOTH } }, /* Bluetooth Enable */
{ KE_KEY, 0x7E, { KEY_BLUETOOTH } }, /* Bluetooth Disable */
{ KE_KEY, 0x82, { KEY_CAMERA } },
+ { KE_KEY, 0x85, { KEY_CAMERA } },
{ KE_KEY, 0x86, { KEY_PROG1 } }, /* MyASUS Key */
{ KE_KEY, 0x88, { KEY_RFKILL } }, /* Radio Toggle Key */
{ KE_KEY, 0x8A, { KEY_PROG1 } }, /* Color enhancement mode */
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index 6f81b2844dcb..104188d70988 100644
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -2243,7 +2243,9 @@ static int asus_wmi_fan_init(struct asus_wmi *asus)
asus->fan_type = FAN_TYPE_NONE;
asus->agfn_pwm = -1;
- if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_CPU_FAN_CTRL))
+ if (asus->driver->quirks->wmi_ignore_fan)
+ asus->fan_type = FAN_TYPE_NONE;
+ else if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_CPU_FAN_CTRL))
asus->fan_type = FAN_TYPE_SPEC83;
else if (asus_wmi_has_agfn_fan(asus))
asus->fan_type = FAN_TYPE_AGFN;
@@ -2436,6 +2438,9 @@ static int fan_curve_check_present(struct asus_wmi *asus, bool *available,
*available = false;
+ if (asus->fan_type == FAN_TYPE_NONE)
+ return 0;
+
err = fan_curve_get_factory_default(asus, fan_dev);
if (err) {
return 0;
diff --git a/drivers/platform/x86/asus-wmi.h b/drivers/platform/x86/asus-wmi.h
index 65316998b898..a478ebfd34df 100644
--- a/drivers/platform/x86/asus-wmi.h
+++ b/drivers/platform/x86/asus-wmi.h
@@ -38,6 +38,7 @@ struct quirk_entry {
bool store_backlight_power;
bool wmi_backlight_set_devstate;
bool wmi_force_als_set;
+ bool wmi_ignore_fan;
enum asus_wmi_tablet_switch_mode tablet_switch_mode;
int wapf;
/*
diff --git a/drivers/platform/x86/dell/dell-wmi-privacy.c b/drivers/platform/x86/dell/dell-wmi-privacy.c
index c82b3d6867c5..c517bd45dd32 100644
--- a/drivers/platform/x86/dell/dell-wmi-privacy.c
+++ b/drivers/platform/x86/dell/dell-wmi-privacy.c
@@ -61,7 +61,7 @@ static const struct key_entry dell_wmi_keymap_type_0012[] = {
/* privacy mic mute */
{ KE_KEY, 0x0001, { KEY_MICMUTE } },
/* privacy camera mute */
- { KE_SW, 0x0002, { SW_CAMERA_LENS_COVER } },
+ { KE_VSW, 0x0002, { SW_CAMERA_LENS_COVER } },
{ KE_END, 0},
};
@@ -115,11 +115,15 @@ bool dell_privacy_process_event(int type, int code, int status)
switch (code) {
case DELL_PRIVACY_AUDIO_EVENT: /* Mic mute */
- case DELL_PRIVACY_CAMERA_EVENT: /* Camera mute */
priv->last_status = status;
sparse_keymap_report_entry(priv->input_dev, key, 1, true);
ret = true;
break;
+ case DELL_PRIVACY_CAMERA_EVENT: /* Camera mute */
+ priv->last_status = status;
+ sparse_keymap_report_entry(priv->input_dev, key, !(status & CAMERA_STATUS), false);
+ ret = true;
+ break;
default:
dev_dbg(&priv->wdev->dev, "unknown event type 0x%04x 0x%04x\n", type, code);
}
@@ -292,7 +296,7 @@ static int dell_privacy_wmi_probe(struct wmi_device *wdev, const void *context)
{
struct privacy_wmi_data *priv;
struct key_entry *keymap;
- int ret, i;
+ int ret, i, j;
ret = wmi_has_guid(DELL_PRIVACY_GUID);
if (!ret)
@@ -304,6 +308,11 @@ static int dell_privacy_wmi_probe(struct wmi_device *wdev, const void *context)
dev_set_drvdata(&wdev->dev, priv);
priv->wdev = wdev;
+
+ ret = get_current_status(priv->wdev);
+ if (ret)
+ return ret;
+
/* create evdev passing interface */
priv->input_dev = devm_input_allocate_device(&wdev->dev);
if (!priv->input_dev)
@@ -318,9 +327,20 @@ static int dell_privacy_wmi_probe(struct wmi_device *wdev, const void *context)
/* remap the keymap code with Dell privacy key type 0x12 as prefix
* KEY_MICMUTE scancode will be reported as 0x120001
*/
- for (i = 0; i < ARRAY_SIZE(dell_wmi_keymap_type_0012); i++) {
- keymap[i] = dell_wmi_keymap_type_0012[i];
- keymap[i].code |= (0x0012 << 16);
+ for (i = 0, j = 0; i < ARRAY_SIZE(dell_wmi_keymap_type_0012); i++) {
+ /*
+ * Unlike keys where only presses matter, userspace may act
+ * on switches in both of their positions. Only register
+ * SW_CAMERA_LENS_COVER if it is actually there.
+ */
+ if (dell_wmi_keymap_type_0012[i].type == KE_VSW &&
+ dell_wmi_keymap_type_0012[i].sw.code == SW_CAMERA_LENS_COVER &&
+ !(priv->features_present & BIT(DELL_PRIVACY_TYPE_CAMERA)))
+ continue;
+
+ keymap[j] = dell_wmi_keymap_type_0012[i];
+ keymap[j].code |= (0x0012 << 16);
+ j++;
}
ret = sparse_keymap_setup(priv->input_dev, keymap, NULL);
kfree(keymap);
@@ -331,11 +351,12 @@ static int dell_privacy_wmi_probe(struct wmi_device *wdev, const void *context)
priv->input_dev->name = "Dell Privacy Driver";
priv->input_dev->id.bustype = BUS_HOST;
- ret = input_register_device(priv->input_dev);
- if (ret)
- return ret;
+ /* Report initial camera-cover status */
+ if (priv->features_present & BIT(DELL_PRIVACY_TYPE_CAMERA))
+ input_report_switch(priv->input_dev, SW_CAMERA_LENS_COVER,
+ !(priv->last_status & CAMERA_STATUS));
- ret = get_current_status(priv->wdev);
+ ret = input_register_device(priv->input_dev);
if (ret)
return ret;
diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c
index 435d2d3d903b..0eb5bfdd823a 100644
--- a/drivers/platform/x86/ideapad-laptop.c
+++ b/drivers/platform/x86/ideapad-laptop.c
@@ -1621,6 +1621,12 @@ static const struct dmi_system_id set_fn_lock_led_list[] = {
DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo Legion R7000P2020H"),
}
},
+ {
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo Legion 5 15ARH05"),
+ }
+ },
{}
};
diff --git a/drivers/platform/x86/intel/int3472/clk_and_regulator.c b/drivers/platform/x86/intel/int3472/clk_and_regulator.c
index b2342b3d78c7..74dc2cff799e 100644
--- a/drivers/platform/x86/intel/int3472/clk_and_regulator.c
+++ b/drivers/platform/x86/intel/int3472/clk_and_regulator.c
@@ -181,6 +181,9 @@ int skl_int3472_register_regulator(struct int3472_discrete_device *int3472,
return PTR_ERR(int3472->regulator.gpio);
}
+ /* Ensure the pin is in output mode and non-active state */
+ gpiod_direction_output(int3472->regulator.gpio, 0);
+
cfg.dev = &int3472->adev->dev;
cfg.init_data = &init_data;
cfg.ena_gpiod = int3472->regulator.gpio;
diff --git a/drivers/platform/x86/intel/int3472/discrete.c b/drivers/platform/x86/intel/int3472/discrete.c
index 974a132db651..c42c3faa2c32 100644
--- a/drivers/platform/x86/intel/int3472/discrete.c
+++ b/drivers/platform/x86/intel/int3472/discrete.c
@@ -168,6 +168,8 @@ static int skl_int3472_map_gpio_to_clk(struct int3472_discrete_device *int3472,
return (PTR_ERR(gpio));
int3472->clock.ena_gpio = gpio;
+ /* Ensure the pin is in output mode and non-active state */
+ gpiod_direction_output(int3472->clock.ena_gpio, 0);
break;
case INT3472_GPIO_TYPE_PRIVACY_LED:
gpio = acpi_get_and_request_gpiod(path, pin, "int3472,privacy-led");
@@ -175,6 +177,8 @@ static int skl_int3472_map_gpio_to_clk(struct int3472_discrete_device *int3472,
return (PTR_ERR(gpio));
int3472->clock.led_gpio = gpio;
+ /* Ensure the pin is in output mode and non-active state */
+ gpiod_direction_output(int3472->clock.led_gpio, 0);
break;
default:
dev_err(int3472->dev, "Invalid GPIO type 0x%02x for clock\n", type);
diff --git a/drivers/platform/x86/intel/pmc/core.c b/drivers/platform/x86/intel/pmc/core.c
index f1d802f6ec3f..3a15d32d7644 100644
--- a/drivers/platform/x86/intel/pmc/core.c
+++ b/drivers/platform/x86/intel/pmc/core.c
@@ -1029,6 +1029,7 @@ static const struct x86_cpu_id intel_pmc_core_ids[] = {
X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE, adl_core_init),
X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE_S, adl_core_init),
X86_MATCH_INTEL_FAM6_MODEL(METEORLAKE, mtl_core_init),
+ X86_MATCH_INTEL_FAM6_MODEL(METEORLAKE_L, mtl_core_init),
{}
};
diff --git a/drivers/platform/x86/simatic-ipc.c b/drivers/platform/x86/simatic-ipc.c
index ca76076fc706..b3622419cd1a 100644
--- a/drivers/platform/x86/simatic-ipc.c
+++ b/drivers/platform/x86/simatic-ipc.c
@@ -46,7 +46,8 @@ static struct {
{SIMATIC_IPC_IPC427D, SIMATIC_IPC_DEVICE_427E, SIMATIC_IPC_DEVICE_NONE},
{SIMATIC_IPC_IPC427E, SIMATIC_IPC_DEVICE_427E, SIMATIC_IPC_DEVICE_427E},
{SIMATIC_IPC_IPC477E, SIMATIC_IPC_DEVICE_NONE, SIMATIC_IPC_DEVICE_427E},
- {SIMATIC_IPC_IPC427G, SIMATIC_IPC_DEVICE_227G, SIMATIC_IPC_DEVICE_227G},
+ {SIMATIC_IPC_IPCBX_39A, SIMATIC_IPC_DEVICE_227G, SIMATIC_IPC_DEVICE_227G},
+ {SIMATIC_IPC_IPCPX_39A, SIMATIC_IPC_DEVICE_NONE, SIMATIC_IPC_DEVICE_227G},
};
static int register_platform_devices(u32 station_id)
diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c
index 7156ae2ad196..537d6a2d0781 100644
--- a/drivers/platform/x86/sony-laptop.c
+++ b/drivers/platform/x86/sony-laptop.c
@@ -1887,14 +1887,21 @@ static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
break;
}
- ret = sony_call_snc_handle(handle, probe_base, &result);
- if (ret)
- return ret;
+ /*
+ * Only probe if there is a separate probe_base, otherwise the probe call
+ * is equivalent to __sony_nc_kbd_backlight_mode_set(0), resulting in
+ * the keyboard backlight being turned off.
+ */
+ if (probe_base) {
+ ret = sony_call_snc_handle(handle, probe_base, &result);
+ if (ret)
+ return ret;
- if ((handle == 0x0137 && !(result & 0x02)) ||
- !(result & 0x01)) {
- dprintk("no backlight keyboard found\n");
- return 0;
+ if ((handle == 0x0137 && !(result & 0x02)) ||
+ !(result & 0x01)) {
+ dprintk("no backlight keyboard found\n");
+ return 0;
+ }
}
kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL);
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 1195293b22fd..a95946800ae9 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -10311,9 +10311,11 @@ static DEFINE_MUTEX(dytc_mutex);
static int dytc_capabilities;
static bool dytc_mmc_get_available;
-static int convert_dytc_to_profile(int dytcmode, enum platform_profile_option *profile)
+static int convert_dytc_to_profile(int funcmode, int dytcmode,
+ enum platform_profile_option *profile)
{
- if (dytc_capabilities & BIT(DYTC_FC_MMC)) {
+ switch (funcmode) {
+ case DYTC_FUNCTION_MMC:
switch (dytcmode) {
case DYTC_MODE_MMC_LOWPOWER:
*profile = PLATFORM_PROFILE_LOW_POWER;
@@ -10329,8 +10331,7 @@ static int convert_dytc_to_profile(int dytcmode, enum platform_profile_option *p
return -EINVAL;
}
return 0;
- }
- if (dytc_capabilities & BIT(DYTC_FC_PSC)) {
+ case DYTC_FUNCTION_PSC:
switch (dytcmode) {
case DYTC_MODE_PSC_LOWPOWER:
*profile = PLATFORM_PROFILE_LOW_POWER;
@@ -10344,6 +10345,14 @@ static int convert_dytc_to_profile(int dytcmode, enum platform_profile_option *p
default: /* Unknown mode */
return -EINVAL;
}
+ return 0;
+ case DYTC_FUNCTION_AMT:
+ /* For now return balanced. It's the closest we have to 'auto' */
+ *profile = PLATFORM_PROFILE_BALANCED;
+ return 0;
+ default:
+ /* Unknown function */
+ return -EOPNOTSUPP;
}
return 0;
}
@@ -10492,6 +10501,7 @@ static int dytc_profile_set(struct platform_profile_handler *pprof,
err = dytc_command(DYTC_SET_COMMAND(DYTC_FUNCTION_PSC, perfmode, 1), &output);
if (err)
goto unlock;
+
/* system supports AMT, activate it when on balanced */
if (dytc_capabilities & BIT(DYTC_FC_AMT))
dytc_control_amt(profile == PLATFORM_PROFILE_BALANCED);
@@ -10507,7 +10517,7 @@ static void dytc_profile_refresh(void)
{
enum platform_profile_option profile;
int output, err = 0;
- int perfmode;
+ int perfmode, funcmode;
mutex_lock(&dytc_mutex);
if (dytc_capabilities & BIT(DYTC_FC_MMC)) {
@@ -10522,8 +10532,9 @@ static void dytc_profile_refresh(void)
if (err)
return;
+ funcmode = (output >> DYTC_GET_FUNCTION_BIT) & 0xF;
perfmode = (output >> DYTC_GET_MODE_BIT) & 0xF;
- convert_dytc_to_profile(perfmode, &profile);
+ convert_dytc_to_profile(funcmode, perfmode, &profile);
if (profile != dytc_current_profile) {
dytc_current_profile = profile;
platform_profile_notify();
diff --git a/drivers/platform/x86/touchscreen_dmi.c b/drivers/platform/x86/touchscreen_dmi.c
index baae3120efd0..f00995390fdf 100644
--- a/drivers/platform/x86/touchscreen_dmi.c
+++ b/drivers/platform/x86/touchscreen_dmi.c
@@ -264,6 +264,23 @@ static const struct ts_dmi_data connect_tablet9_data = {
.properties = connect_tablet9_props,
};
+static const struct property_entry csl_panther_tab_hd_props[] = {
+ PROPERTY_ENTRY_U32("touchscreen-min-x", 1),
+ PROPERTY_ENTRY_U32("touchscreen-min-y", 20),
+ PROPERTY_ENTRY_U32("touchscreen-size-x", 1980),
+ PROPERTY_ENTRY_U32("touchscreen-size-y", 1526),
+ PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
+ PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
+ PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-csl-panther-tab-hd.fw"),
+ PROPERTY_ENTRY_U32("silead,max-fingers", 10),
+ { }
+};
+
+static const struct ts_dmi_data csl_panther_tab_hd_data = {
+ .acpi_name = "MSSL1680:00",
+ .properties = csl_panther_tab_hd_props,
+};
+
static const struct property_entry cube_iwork8_air_props[] = {
PROPERTY_ENTRY_U32("touchscreen-min-x", 1),
PROPERTY_ENTRY_U32("touchscreen-min-y", 3),
@@ -1125,6 +1142,14 @@ const struct dmi_system_id touchscreen_dmi_table[] = {
},
},
{
+ /* CSL Panther Tab HD */
+ .driver_data = (void *)&csl_panther_tab_hd_data,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "CSL Computer GmbH & Co. KG"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "CSL Panther Tab HD"),
+ },
+ },
+ {
/* CUBE iwork8 Air */
.driver_data = (void *)&cube_iwork8_air_data,
.matches = {
diff --git a/drivers/regulator/da9211-regulator.c b/drivers/regulator/da9211-regulator.c
index e01b32d1fa17..00828f5baa97 100644
--- a/drivers/regulator/da9211-regulator.c
+++ b/drivers/regulator/da9211-regulator.c
@@ -498,6 +498,12 @@ static int da9211_i2c_probe(struct i2c_client *i2c)
chip->chip_irq = i2c->irq;
+ ret = da9211_regulator_init(chip);
+ if (ret < 0) {
+ dev_err(chip->dev, "Failed to initialize regulator: %d\n", ret);
+ return ret;
+ }
+
if (chip->chip_irq != 0) {
ret = devm_request_threaded_irq(chip->dev, chip->chip_irq, NULL,
da9211_irq_handler,
@@ -512,11 +518,6 @@ static int da9211_i2c_probe(struct i2c_client *i2c)
dev_warn(chip->dev, "No IRQ configured\n");
}
- ret = da9211_regulator_init(chip);
-
- if (ret < 0)
- dev_err(chip->dev, "Failed to initialize regulator: %d\n", ret);
-
return ret;
}
diff --git a/drivers/regulator/qcom-rpmh-regulator.c b/drivers/regulator/qcom-rpmh-regulator.c
index 43b5b9377714..ae6021390143 100644
--- a/drivers/regulator/qcom-rpmh-regulator.c
+++ b/drivers/regulator/qcom-rpmh-regulator.c
@@ -1016,7 +1016,7 @@ static const struct rpmh_vreg_init_data pm8550_vreg_data[] = {
RPMH_VREG("ldo8", "ldo%s8", &pmic5_pldo_lv, "vdd-l8-l9"),
RPMH_VREG("ldo9", "ldo%s9", &pmic5_pldo, "vdd-l8-l9"),
RPMH_VREG("ldo10", "ldo%s10", &pmic5_nldo, "vdd-l1-l4-l10"),
- RPMH_VREG("ldo11", "ldo%s11", &pmic5_pldo, "vdd-l11"),
+ RPMH_VREG("ldo11", "ldo%s11", &pmic5_nldo, "vdd-l11"),
RPMH_VREG("ldo12", "ldo%s12", &pmic5_pldo, "vdd-l12"),
RPMH_VREG("ldo13", "ldo%s13", &pmic5_pldo, "vdd-l2-l13-l14"),
RPMH_VREG("ldo14", "ldo%s14", &pmic5_pldo, "vdd-l2-l13-l14"),
diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c
index 41ba22f6c7f0..8c038ccf1c09 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_main.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
@@ -162,7 +162,7 @@ static void hisi_sas_slot_index_clear(struct hisi_hba *hisi_hba, int slot_idx)
static void hisi_sas_slot_index_free(struct hisi_hba *hisi_hba, int slot_idx)
{
if (hisi_hba->hw->slot_index_alloc ||
- slot_idx >= HISI_SAS_UNRESERVED_IPTT) {
+ slot_idx < HISI_SAS_RESERVED_IPTT) {
spin_lock(&hisi_hba->lock);
hisi_sas_slot_index_clear(hisi_hba, slot_idx);
spin_unlock(&hisi_hba->lock);
@@ -704,7 +704,7 @@ static int hisi_sas_init_device(struct domain_device *device)
int_to_scsilun(0, &lun);
while (retry-- > 0) {
- rc = sas_clear_task_set(device, lun.scsi_lun);
+ rc = sas_abort_task_set(device, lun.scsi_lun);
if (rc == TMF_RESP_FUNC_COMPLETE) {
hisi_sas_release_task(hisi_hba, device);
break;
@@ -1316,7 +1316,7 @@ static void hisi_sas_refresh_port_id(struct hisi_hba *hisi_hba)
device->linkrate = phy->sas_phy.linkrate;
hisi_hba->hw->setup_itct(hisi_hba, sas_dev);
- } else
+ } else if (!port->port_attached)
port->id = 0xff;
}
}
diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c
index 1ccce706167a..5e80225b5308 100644
--- a/drivers/scsi/libsas/sas_ata.c
+++ b/drivers/scsi/libsas/sas_ata.c
@@ -889,7 +889,9 @@ void sas_ata_device_link_abort(struct domain_device *device, bool force_reset)
{
struct ata_port *ap = device->sata_dev.ap;
struct ata_link *link = &ap->link;
+ unsigned long flags;
+ spin_lock_irqsave(ap->lock, flags);
device->sata_dev.fis[2] = ATA_ERR | ATA_DRDY; /* tf status */
device->sata_dev.fis[3] = ATA_ABORTED; /* tf error */
@@ -897,6 +899,7 @@ void sas_ata_device_link_abort(struct domain_device *device, bool force_reset)
if (force_reset)
link->eh_info.action |= ATA_EH_RESET;
ata_link_abort(link);
+ spin_unlock_irqrestore(ap->lock, flags);
}
EXPORT_SYMBOL_GPL(sas_ata_device_link_abort);
diff --git a/drivers/scsi/mpi3mr/Makefile b/drivers/scsi/mpi3mr/Makefile
index ef86ca46646b..3bf8cf34e1c3 100644
--- a/drivers/scsi/mpi3mr/Makefile
+++ b/drivers/scsi/mpi3mr/Makefile
@@ -1,5 +1,5 @@
# mpi3mr makefile
-obj-m += mpi3mr.o
+obj-$(CONFIG_SCSI_MPI3MR) += mpi3mr.o
mpi3mr-y += mpi3mr_os.o \
mpi3mr_fw.o \
mpi3mr_app.o \
diff --git a/drivers/scsi/mpi3mr/mpi3mr_fw.c b/drivers/scsi/mpi3mr/mpi3mr_fw.c
index 0c4aabaefdcc..286a44506578 100644
--- a/drivers/scsi/mpi3mr/mpi3mr_fw.c
+++ b/drivers/scsi/mpi3mr/mpi3mr_fw.c
@@ -3633,8 +3633,7 @@ int mpi3mr_setup_resources(struct mpi3mr_ioc *mrioc)
int i, retval = 0, capb = 0;
u16 message_control;
u64 dma_mask = mrioc->dma_mask ? mrioc->dma_mask :
- (((dma_get_required_mask(&pdev->dev) > DMA_BIT_MASK(32)) &&
- (sizeof(dma_addr_t) > 4)) ? DMA_BIT_MASK(64) : DMA_BIT_MASK(32));
+ ((sizeof(dma_addr_t) > 4) ? DMA_BIT_MASK(64) : DMA_BIT_MASK(32));
if (pci_enable_device_mem(pdev)) {
ioc_err(mrioc, "pci_enable_device_mem: failed\n");
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c
index 4e981ccaac41..69061545d9d2 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.c
@@ -2992,8 +2992,7 @@ _base_config_dma_addressing(struct MPT3SAS_ADAPTER *ioc, struct pci_dev *pdev)
struct sysinfo s;
u64 coherent_dma_mask, dma_mask;
- if (ioc->is_mcpu_endpoint || sizeof(dma_addr_t) == 4 ||
- dma_get_required_mask(&pdev->dev) <= DMA_BIT_MASK(32)) {
+ if (ioc->is_mcpu_endpoint || sizeof(dma_addr_t) == 4) {
ioc->dma_mask = 32;
coherent_dma_mask = dma_mask = DMA_BIT_MASK(32);
/* Set 63 bit DMA mask for all SAS3 and SAS35 controllers */
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index cc6953809a24..8553277effb3 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -1511,8 +1511,6 @@ static int inquiry_vpd_b0(unsigned char *arr)
put_unaligned_be64(sdebug_write_same_length, &arr[32]);
return 0x3c; /* Mandatory page length for Logical Block Provisioning */
-
- return sizeof(vpdb0_data);
}
/* Block device characteristics VPD page (SBC-3) */
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index a7960ad2d386..2aa2c2aee6e7 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -231,6 +231,11 @@ scsi_abort_command(struct scsi_cmnd *scmd)
struct Scsi_Host *shost = sdev->host;
unsigned long flags;
+ if (!shost->hostt->eh_abort_handler) {
+ /* No abort handler, fail command directly */
+ return FAILED;
+ }
+
if (scmd->eh_eflags & SCSI_EH_ABORT_SCHEDULED) {
/*
* Retry after abort failed, escalate to next level.
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index 13cfd3e317cc..b9b97300e3b3 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -1677,6 +1677,13 @@ static const char *iscsi_session_state_name(int state)
return name;
}
+static char *iscsi_session_target_state_name[] = {
+ [ISCSI_SESSION_TARGET_UNBOUND] = "UNBOUND",
+ [ISCSI_SESSION_TARGET_ALLOCATED] = "ALLOCATED",
+ [ISCSI_SESSION_TARGET_SCANNED] = "SCANNED",
+ [ISCSI_SESSION_TARGET_UNBINDING] = "UNBINDING",
+};
+
int iscsi_session_chkready(struct iscsi_cls_session *session)
{
int err;
@@ -1786,9 +1793,13 @@ static int iscsi_user_scan_session(struct device *dev, void *data)
if ((scan_data->channel == SCAN_WILD_CARD ||
scan_data->channel == 0) &&
(scan_data->id == SCAN_WILD_CARD ||
- scan_data->id == id))
+ scan_data->id == id)) {
scsi_scan_target(&session->dev, 0, id,
scan_data->lun, scan_data->rescan);
+ spin_lock_irqsave(&session->lock, flags);
+ session->target_state = ISCSI_SESSION_TARGET_SCANNED;
+ spin_unlock_irqrestore(&session->lock, flags);
+ }
}
user_scan_exit:
@@ -1961,31 +1972,41 @@ static void __iscsi_unbind_session(struct work_struct *work)
struct iscsi_cls_host *ihost = shost->shost_data;
unsigned long flags;
unsigned int target_id;
+ bool remove_target = true;
ISCSI_DBG_TRANS_SESSION(session, "Unbinding session\n");
/* Prevent new scans and make sure scanning is not in progress */
mutex_lock(&ihost->mutex);
spin_lock_irqsave(&session->lock, flags);
- if (session->target_id == ISCSI_MAX_TARGET) {
+ if (session->target_state == ISCSI_SESSION_TARGET_ALLOCATED) {
+ remove_target = false;
+ } else if (session->target_state != ISCSI_SESSION_TARGET_SCANNED) {
spin_unlock_irqrestore(&session->lock, flags);
mutex_unlock(&ihost->mutex);
- goto unbind_session_exit;
+ ISCSI_DBG_TRANS_SESSION(session,
+ "Skipping target unbinding: Session is unbound/unbinding.\n");
+ return;
}
+ session->target_state = ISCSI_SESSION_TARGET_UNBINDING;
target_id = session->target_id;
session->target_id = ISCSI_MAX_TARGET;
spin_unlock_irqrestore(&session->lock, flags);
mutex_unlock(&ihost->mutex);
- scsi_remove_target(&session->dev);
+ if (remove_target)
+ scsi_remove_target(&session->dev);
if (session->ida_used)
ida_free(&iscsi_sess_ida, target_id);
-unbind_session_exit:
iscsi_session_event(session, ISCSI_KEVENT_UNBIND_SESSION);
ISCSI_DBG_TRANS_SESSION(session, "Completed target removal\n");
+
+ spin_lock_irqsave(&session->lock, flags);
+ session->target_state = ISCSI_SESSION_TARGET_UNBOUND;
+ spin_unlock_irqrestore(&session->lock, flags);
}
static void __iscsi_destroy_session(struct work_struct *work)
@@ -2062,6 +2083,9 @@ int iscsi_add_session(struct iscsi_cls_session *session, unsigned int target_id)
session->ida_used = true;
} else
session->target_id = target_id;
+ spin_lock_irqsave(&session->lock, flags);
+ session->target_state = ISCSI_SESSION_TARGET_ALLOCATED;
+ spin_unlock_irqrestore(&session->lock, flags);
dev_set_name(&session->dev, "session%u", session->sid);
err = device_add(&session->dev);
@@ -4370,6 +4394,19 @@ iscsi_session_attr(discovery_parent_idx, ISCSI_PARAM_DISCOVERY_PARENT_IDX, 0);
iscsi_session_attr(discovery_parent_type, ISCSI_PARAM_DISCOVERY_PARENT_TYPE, 0);
static ssize_t
+show_priv_session_target_state(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct iscsi_cls_session *session = iscsi_dev_to_session(dev->parent);
+
+ return sysfs_emit(buf, "%s\n",
+ iscsi_session_target_state_name[session->target_state]);
+}
+
+static ISCSI_CLASS_ATTR(priv_sess, target_state, S_IRUGO,
+ show_priv_session_target_state, NULL);
+
+static ssize_t
show_priv_session_state(struct device *dev, struct device_attribute *attr,
char *buf)
{
@@ -4471,6 +4508,7 @@ static struct attribute *iscsi_session_attrs[] = {
&dev_attr_sess_boot_target.attr,
&dev_attr_priv_sess_recovery_tmo.attr,
&dev_attr_priv_sess_state.attr,
+ &dev_attr_priv_sess_target_state.attr,
&dev_attr_priv_sess_creator.attr,
&dev_attr_sess_chap_out_idx.attr,
&dev_attr_sess_chap_in_idx.attr,
@@ -4584,6 +4622,8 @@ static umode_t iscsi_session_attr_is_visible(struct kobject *kobj,
return S_IRUGO | S_IWUSR;
else if (attr == &dev_attr_priv_sess_state.attr)
return S_IRUGO;
+ else if (attr == &dev_attr_priv_sess_target_state.attr)
+ return S_IRUGO;
else if (attr == &dev_attr_priv_sess_creator.attr)
return S_IRUGO;
else if (attr == &dev_attr_priv_sess_target_id.attr)
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index d7a84c0bfaeb..22705eb781b0 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -1823,6 +1823,9 @@ static int storvsc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *scmnd)
ret = storvsc_do_io(dev, cmd_request, get_cpu());
put_cpu();
+ if (ret)
+ scsi_dma_unmap(scmnd);
+
if (ret == -EAGAIN) {
/* no more space */
ret = SCSI_MLQUEUE_DEVICE_BUSY;
diff --git a/drivers/scsi/xen-scsifront.c b/drivers/scsi/xen-scsifront.c
index 66b316d173b0..71a3bb83984c 100644
--- a/drivers/scsi/xen-scsifront.c
+++ b/drivers/scsi/xen-scsifront.c
@@ -995,7 +995,7 @@ static int scsifront_suspend(struct xenbus_device *dev)
return err;
}
-static int scsifront_remove(struct xenbus_device *dev)
+static void scsifront_remove(struct xenbus_device *dev)
{
struct vscsifrnt_info *info = dev_get_drvdata(&dev->dev);
@@ -1011,8 +1011,6 @@ static int scsifront_remove(struct xenbus_device *dev)
scsifront_free_ring(info);
scsi_host_put(info->host);
-
- return 0;
}
static void scsifront_disconnect(struct vscsifrnt_info *info)
diff --git a/drivers/spi/spi-cadence-xspi.c b/drivers/spi/spi-cadence-xspi.c
index 520b4cc69cdc..91db3c973167 100644
--- a/drivers/spi/spi-cadence-xspi.c
+++ b/drivers/spi/spi-cadence-xspi.c
@@ -177,7 +177,10 @@
#define CDNS_XSPI_CMD_FLD_DSEQ_CMD_3(op) ( \
FIELD_PREP(CDNS_XSPI_CMD_DSEQ_R3_DCNT_H, \
((op)->data.nbytes >> 16) & 0xffff) | \
- FIELD_PREP(CDNS_XSPI_CMD_DSEQ_R3_NUM_OF_DUMMY, (op)->dummy.nbytes * 8))
+ FIELD_PREP(CDNS_XSPI_CMD_DSEQ_R3_NUM_OF_DUMMY, \
+ (op)->dummy.buswidth != 0 ? \
+ (((op)->dummy.nbytes * 8) / (op)->dummy.buswidth) : \
+ 0))
#define CDNS_XSPI_CMD_FLD_DSEQ_CMD_4(op, chipsel) ( \
FIELD_PREP(CDNS_XSPI_CMD_DSEQ_R4_BANK, chipsel) | \
diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c
index 6de8360e5c2a..9eab6c20dbc5 100644
--- a/drivers/spi/spi-mt65xx.c
+++ b/drivers/spi/spi-mt65xx.c
@@ -1253,6 +1253,11 @@ static int mtk_spi_probe(struct platform_device *pdev)
dev_notice(dev, "SPI dma_set_mask(%d) failed, ret:%d\n",
addr_bits, ret);
+ ret = devm_request_irq(dev, irq, mtk_spi_interrupt,
+ IRQF_TRIGGER_NONE, dev_name(dev), master);
+ if (ret)
+ return dev_err_probe(dev, ret, "failed to register irq\n");
+
pm_runtime_enable(dev);
ret = devm_spi_register_master(dev, master);
@@ -1261,13 +1266,6 @@ static int mtk_spi_probe(struct platform_device *pdev)
return dev_err_probe(dev, ret, "failed to register master\n");
}
- ret = devm_request_irq(dev, irq, mtk_spi_interrupt,
- IRQF_TRIGGER_NONE, dev_name(dev), master);
- if (ret) {
- pm_runtime_disable(dev);
- return dev_err_probe(dev, ret, "failed to register irq\n");
- }
-
return 0;
}
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 3cc7bb4d03de..15f174f4e056 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -2310,7 +2310,7 @@ static int of_spi_parse_dt(struct spi_controller *ctlr, struct spi_device *spi,
if (!of_property_read_u32(nc, "spi-max-frequency", &value))
spi->max_speed_hz = value;
- if (!of_property_read_u16(nc, "spi-cs-setup-ns", &cs_setup)) {
+ if (!of_property_read_u16(nc, "spi-cs-setup-delay-ns", &cs_setup)) {
spi->cs_setup.value = cs_setup;
spi->cs_setup.unit = SPI_DELAY_UNIT_NSECS;
}
diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c
index 6313e7d0cdf8..1935ca613447 100644
--- a/drivers/spi/spidev.c
+++ b/drivers/spi/spidev.c
@@ -68,7 +68,7 @@ static_assert(N_SPI_MINORS > 0 && N_SPI_MINORS <= 256);
struct spidev_data {
dev_t devt;
- spinlock_t spi_lock;
+ struct mutex spi_lock;
struct spi_device *spi;
struct list_head device_entry;
@@ -95,9 +95,8 @@ spidev_sync(struct spidev_data *spidev, struct spi_message *message)
int status;
struct spi_device *spi;
- spin_lock_irq(&spidev->spi_lock);
+ mutex_lock(&spidev->spi_lock);
spi = spidev->spi;
- spin_unlock_irq(&spidev->spi_lock);
if (spi == NULL)
status = -ESHUTDOWN;
@@ -107,6 +106,7 @@ spidev_sync(struct spidev_data *spidev, struct spi_message *message)
if (status == 0)
status = message->actual_length;
+ mutex_unlock(&spidev->spi_lock);
return status;
}
@@ -359,12 +359,12 @@ spidev_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
* we issue this ioctl.
*/
spidev = filp->private_data;
- spin_lock_irq(&spidev->spi_lock);
+ mutex_lock(&spidev->spi_lock);
spi = spi_dev_get(spidev->spi);
- spin_unlock_irq(&spidev->spi_lock);
-
- if (spi == NULL)
+ if (spi == NULL) {
+ mutex_unlock(&spidev->spi_lock);
return -ESHUTDOWN;
+ }
/* use the buffer lock here for triple duty:
* - prevent I/O (from us) so calling spi_setup() is safe;
@@ -508,6 +508,7 @@ spidev_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
mutex_unlock(&spidev->buf_lock);
spi_dev_put(spi);
+ mutex_unlock(&spidev->spi_lock);
return retval;
}
@@ -529,12 +530,12 @@ spidev_compat_ioc_message(struct file *filp, unsigned int cmd,
* we issue this ioctl.
*/
spidev = filp->private_data;
- spin_lock_irq(&spidev->spi_lock);
+ mutex_lock(&spidev->spi_lock);
spi = spi_dev_get(spidev->spi);
- spin_unlock_irq(&spidev->spi_lock);
-
- if (spi == NULL)
+ if (spi == NULL) {
+ mutex_unlock(&spidev->spi_lock);
return -ESHUTDOWN;
+ }
/* SPI_IOC_MESSAGE needs the buffer locked "normally" */
mutex_lock(&spidev->buf_lock);
@@ -561,6 +562,7 @@ spidev_compat_ioc_message(struct file *filp, unsigned int cmd,
done:
mutex_unlock(&spidev->buf_lock);
spi_dev_put(spi);
+ mutex_unlock(&spidev->spi_lock);
return retval;
}
@@ -601,7 +603,6 @@ static int spidev_open(struct inode *inode, struct file *filp)
if (!spidev->tx_buffer) {
spidev->tx_buffer = kmalloc(bufsiz, GFP_KERNEL);
if (!spidev->tx_buffer) {
- dev_dbg(&spidev->spi->dev, "open/ENOMEM\n");
status = -ENOMEM;
goto err_find_dev;
}
@@ -610,7 +611,6 @@ static int spidev_open(struct inode *inode, struct file *filp)
if (!spidev->rx_buffer) {
spidev->rx_buffer = kmalloc(bufsiz, GFP_KERNEL);
if (!spidev->rx_buffer) {
- dev_dbg(&spidev->spi->dev, "open/ENOMEM\n");
status = -ENOMEM;
goto err_alloc_rx_buf;
}
@@ -640,10 +640,10 @@ static int spidev_release(struct inode *inode, struct file *filp)
spidev = filp->private_data;
filp->private_data = NULL;
- spin_lock_irq(&spidev->spi_lock);
+ mutex_lock(&spidev->spi_lock);
/* ... after we unbound from the underlying device? */
dofree = (spidev->spi == NULL);
- spin_unlock_irq(&spidev->spi_lock);
+ mutex_unlock(&spidev->spi_lock);
/* last close? */
spidev->users--;
@@ -776,7 +776,7 @@ static int spidev_probe(struct spi_device *spi)
/* Initialize the driver data */
spidev->spi = spi;
- spin_lock_init(&spidev->spi_lock);
+ mutex_init(&spidev->spi_lock);
mutex_init(&spidev->buf_lock);
INIT_LIST_HEAD(&spidev->device_entry);
@@ -821,9 +821,9 @@ static void spidev_remove(struct spi_device *spi)
/* prevent new opens */
mutex_lock(&device_list_lock);
/* make sure ops on existing fds can abort cleanly */
- spin_lock_irq(&spidev->spi_lock);
+ mutex_lock(&spidev->spi_lock);
spidev->spi = NULL;
- spin_unlock_irq(&spidev->spi_lock);
+ mutex_unlock(&spidev->spi_lock);
list_del(&spidev->device_entry);
device_destroy(spidev_class, spidev->devt);
diff --git a/drivers/tty/hvc/hvc_xen.c b/drivers/tty/hvc/hvc_xen.c
index 7c23112dc923..5bddb2f5e931 100644
--- a/drivers/tty/hvc/hvc_xen.c
+++ b/drivers/tty/hvc/hvc_xen.c
@@ -52,17 +52,22 @@ static DEFINE_SPINLOCK(xencons_lock);
static struct xencons_info *vtermno_to_xencons(int vtermno)
{
- struct xencons_info *entry, *n, *ret = NULL;
+ struct xencons_info *entry, *ret = NULL;
+ unsigned long flags;
- if (list_empty(&xenconsoles))
- return NULL;
+ spin_lock_irqsave(&xencons_lock, flags);
+ if (list_empty(&xenconsoles)) {
+ spin_unlock_irqrestore(&xencons_lock, flags);
+ return NULL;
+ }
- list_for_each_entry_safe(entry, n, &xenconsoles, list) {
+ list_for_each_entry(entry, &xenconsoles, list) {
if (entry->vtermno == vtermno) {
ret = entry;
break;
}
}
+ spin_unlock_irqrestore(&xencons_lock, flags);
return ret;
}
@@ -223,7 +228,7 @@ static int xen_hvm_console_init(void)
{
int r;
uint64_t v = 0;
- unsigned long gfn;
+ unsigned long gfn, flags;
struct xencons_info *info;
if (!xen_hvm_domain())
@@ -258,9 +263,9 @@ static int xen_hvm_console_init(void)
goto err;
info->vtermno = HVC_COOKIE;
- spin_lock(&xencons_lock);
+ spin_lock_irqsave(&xencons_lock, flags);
list_add_tail(&info->list, &xenconsoles);
- spin_unlock(&xencons_lock);
+ spin_unlock_irqrestore(&xencons_lock, flags);
return 0;
err:
@@ -283,6 +288,7 @@ static int xencons_info_pv_init(struct xencons_info *info, int vtermno)
static int xen_pv_console_init(void)
{
struct xencons_info *info;
+ unsigned long flags;
if (!xen_pv_domain())
return -ENODEV;
@@ -299,9 +305,9 @@ static int xen_pv_console_init(void)
/* already configured */
return 0;
}
- spin_lock(&xencons_lock);
+ spin_lock_irqsave(&xencons_lock, flags);
xencons_info_pv_init(info, HVC_COOKIE);
- spin_unlock(&xencons_lock);
+ spin_unlock_irqrestore(&xencons_lock, flags);
return 0;
}
@@ -309,6 +315,7 @@ static int xen_pv_console_init(void)
static int xen_initial_domain_console_init(void)
{
struct xencons_info *info;
+ unsigned long flags;
if (!xen_initial_domain())
return -ENODEV;
@@ -323,9 +330,9 @@ static int xen_initial_domain_console_init(void)
info->irq = bind_virq_to_irq(VIRQ_CONSOLE, 0, false);
info->vtermno = HVC_COOKIE;
- spin_lock(&xencons_lock);
+ spin_lock_irqsave(&xencons_lock, flags);
list_add_tail(&info->list, &xenconsoles);
- spin_unlock(&xencons_lock);
+ spin_unlock_irqrestore(&xencons_lock, flags);
return 0;
}
@@ -380,10 +387,12 @@ static void xencons_free(struct xencons_info *info)
static int xen_console_remove(struct xencons_info *info)
{
+ unsigned long flags;
+
xencons_disconnect_backend(info);
- spin_lock(&xencons_lock);
+ spin_lock_irqsave(&xencons_lock, flags);
list_del(&info->list);
- spin_unlock(&xencons_lock);
+ spin_unlock_irqrestore(&xencons_lock, flags);
if (info->xbdev != NULL)
xencons_free(info);
else {
@@ -394,9 +403,9 @@ static int xen_console_remove(struct xencons_info *info)
return 0;
}
-static int xencons_remove(struct xenbus_device *dev)
+static void xencons_remove(struct xenbus_device *dev)
{
- return xen_console_remove(dev_get_drvdata(&dev->dev));
+ xen_console_remove(dev_get_drvdata(&dev->dev));
}
static int xencons_connect_backend(struct xenbus_device *dev,
@@ -464,6 +473,7 @@ static int xencons_probe(struct xenbus_device *dev,
{
int ret, devid;
struct xencons_info *info;
+ unsigned long flags;
devid = dev->nodename[strlen(dev->nodename) - 1] - '0';
if (devid == 0)
@@ -482,9 +492,9 @@ static int xencons_probe(struct xenbus_device *dev,
ret = xencons_connect_backend(dev, info);
if (ret < 0)
goto error;
- spin_lock(&xencons_lock);
+ spin_lock_irqsave(&xencons_lock, flags);
list_add_tail(&info->list, &xenconsoles);
- spin_unlock(&xencons_lock);
+ spin_unlock_irqrestore(&xencons_lock, flags);
return 0;
@@ -584,10 +594,12 @@ static int __init xen_hvc_init(void)
info->hvc = hvc_alloc(HVC_COOKIE, info->irq, ops, 256);
if (IS_ERR(info->hvc)) {
+ unsigned long flags;
+
r = PTR_ERR(info->hvc);
- spin_lock(&xencons_lock);
+ spin_lock_irqsave(&xencons_lock, flags);
list_del(&info->list);
- spin_unlock(&xencons_lock);
+ spin_unlock_irqrestore(&xencons_lock, flags);
if (info->irq)
unbind_from_irqhandler(info->irq, NULL);
kfree(info);
diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index e18c9f4463ec..bda61be5f035 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -6056,6 +6056,14 @@ void ufshcd_schedule_eh_work(struct ufs_hba *hba)
}
}
+static void ufshcd_force_error_recovery(struct ufs_hba *hba)
+{
+ spin_lock_irq(hba->host->host_lock);
+ hba->force_reset = true;
+ ufshcd_schedule_eh_work(hba);
+ spin_unlock_irq(hba->host->host_lock);
+}
+
static void ufshcd_clk_scaling_allow(struct ufs_hba *hba, bool allow)
{
down_write(&hba->clk_scaling_lock);
@@ -9083,6 +9091,15 @@ static int __ufshcd_wl_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op)
if (!hba->dev_info.b_rpm_dev_flush_capable) {
ret = ufshcd_set_dev_pwr_mode(hba, req_dev_pwr_mode);
+ if (ret && pm_op != UFS_SHUTDOWN_PM) {
+ /*
+ * If return err in suspend flow, IO will hang.
+ * Trigger error handler and break suspend for
+ * error recovery.
+ */
+ ufshcd_force_error_recovery(hba);
+ ret = -EBUSY;
+ }
if (ret)
goto enable_scaling;
}
@@ -9094,6 +9111,15 @@ static int __ufshcd_wl_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op)
*/
check_for_bkops = !ufshcd_is_ufs_dev_deepsleep(hba);
ret = ufshcd_link_state_transition(hba, req_link_state, check_for_bkops);
+ if (ret && pm_op != UFS_SHUTDOWN_PM) {
+ /*
+ * If return err in suspend flow, IO will hang.
+ * Trigger error handler and break suspend for
+ * error recovery.
+ */
+ ufshcd_force_error_recovery(hba);
+ ret = -EBUSY;
+ }
if (ret)
goto set_dev_active;
diff --git a/drivers/usb/host/xen-hcd.c b/drivers/usb/host/xen-hcd.c
index de1b09158318..46fdab940092 100644
--- a/drivers/usb/host/xen-hcd.c
+++ b/drivers/usb/host/xen-hcd.c
@@ -1530,15 +1530,13 @@ static void xenhcd_backend_changed(struct xenbus_device *dev,
}
}
-static int xenhcd_remove(struct xenbus_device *dev)
+static void xenhcd_remove(struct xenbus_device *dev)
{
struct xenhcd_info *info = dev_get_drvdata(&dev->dev);
struct usb_hcd *hcd = xenhcd_info_to_hcd(info);
xenhcd_destroy_rings(info);
usb_put_hcd(hcd);
-
- return 0;
}
static int xenhcd_probe(struct xenbus_device *dev,
diff --git a/drivers/video/fbdev/xen-fbfront.c b/drivers/video/fbdev/xen-fbfront.c
index 8752d389e382..d7f3e6281ce4 100644
--- a/drivers/video/fbdev/xen-fbfront.c
+++ b/drivers/video/fbdev/xen-fbfront.c
@@ -67,7 +67,7 @@ MODULE_PARM_DESC(video,
"Video memory size in MB, width, height in pixels (default 2,800,600)");
static void xenfb_make_preferred_console(void);
-static int xenfb_remove(struct xenbus_device *);
+static void xenfb_remove(struct xenbus_device *);
static void xenfb_init_shared_page(struct xenfb_info *, struct fb_info *);
static int xenfb_connect_backend(struct xenbus_device *, struct xenfb_info *);
static void xenfb_disconnect_backend(struct xenfb_info *);
@@ -523,7 +523,7 @@ static int xenfb_resume(struct xenbus_device *dev)
return xenfb_connect_backend(dev, info);
}
-static int xenfb_remove(struct xenbus_device *dev)
+static void xenfb_remove(struct xenbus_device *dev)
{
struct xenfb_info *info = dev_get_drvdata(&dev->dev);
@@ -538,8 +538,6 @@ static int xenfb_remove(struct xenbus_device *dev)
vfree(info->gfns);
vfree(info->fb);
kfree(info);
-
- return 0;
}
static unsigned long vmalloc_to_gfn(void *address)
diff --git a/drivers/xen/pvcalls-back.c b/drivers/xen/pvcalls-back.c
index 28b2a1fa25ab..0d4f8f4f4948 100644
--- a/drivers/xen/pvcalls-back.c
+++ b/drivers/xen/pvcalls-back.c
@@ -1181,9 +1181,8 @@ static void pvcalls_back_changed(struct xenbus_device *dev,
}
}
-static int pvcalls_back_remove(struct xenbus_device *dev)
+static void pvcalls_back_remove(struct xenbus_device *dev)
{
- return 0;
}
static int pvcalls_back_uevent(struct xenbus_device *xdev,
diff --git a/drivers/xen/pvcalls-front.c b/drivers/xen/pvcalls-front.c
index 1826e8e67125..d5d589bda243 100644
--- a/drivers/xen/pvcalls-front.c
+++ b/drivers/xen/pvcalls-front.c
@@ -225,6 +225,8 @@ again:
return IRQ_HANDLED;
}
+static void free_active_ring(struct sock_mapping *map);
+
static void pvcalls_front_free_map(struct pvcalls_bedata *bedata,
struct sock_mapping *map)
{
@@ -240,7 +242,7 @@ static void pvcalls_front_free_map(struct pvcalls_bedata *bedata,
for (i = 0; i < (1 << PVCALLS_RING_ORDER); i++)
gnttab_end_foreign_access(map->active.ring->ref[i], NULL);
gnttab_end_foreign_access(map->active.ref, NULL);
- free_page((unsigned long)map->active.ring);
+ free_active_ring(map);
kfree(map);
}
@@ -1085,7 +1087,7 @@ static const struct xenbus_device_id pvcalls_front_ids[] = {
{ "" }
};
-static int pvcalls_front_remove(struct xenbus_device *dev)
+static void pvcalls_front_remove(struct xenbus_device *dev)
{
struct pvcalls_bedata *bedata;
struct sock_mapping *map = NULL, *n;
@@ -1121,7 +1123,6 @@ static int pvcalls_front_remove(struct xenbus_device *dev)
kfree(bedata->ring.sring);
kfree(bedata);
xenbus_switch_state(dev, XenbusStateClosed);
- return 0;
}
static int pvcalls_front_probe(struct xenbus_device *dev,
diff --git a/drivers/xen/xen-pciback/xenbus.c b/drivers/xen/xen-pciback/xenbus.c
index d171091eec12..b11e401f1b1e 100644
--- a/drivers/xen/xen-pciback/xenbus.c
+++ b/drivers/xen/xen-pciback/xenbus.c
@@ -716,14 +716,12 @@ out:
return err;
}
-static int xen_pcibk_xenbus_remove(struct xenbus_device *dev)
+static void xen_pcibk_xenbus_remove(struct xenbus_device *dev)
{
struct xen_pcibk_device *pdev = dev_get_drvdata(&dev->dev);
if (pdev != NULL)
free_pdev(pdev);
-
- return 0;
}
static const struct xenbus_device_id xen_pcibk_ids[] = {
diff --git a/drivers/xen/xen-scsiback.c b/drivers/xen/xen-scsiback.c
index 6106ed93817d..954188b0b858 100644
--- a/drivers/xen/xen-scsiback.c
+++ b/drivers/xen/xen-scsiback.c
@@ -1249,7 +1249,7 @@ static void scsiback_release_translation_entry(struct vscsibk_info *info)
spin_unlock_irqrestore(&info->v2p_lock, flags);
}
-static int scsiback_remove(struct xenbus_device *dev)
+static void scsiback_remove(struct xenbus_device *dev)
{
struct vscsibk_info *info = dev_get_drvdata(&dev->dev);
@@ -1261,8 +1261,6 @@ static int scsiback_remove(struct xenbus_device *dev)
gnttab_page_cache_shrink(&info->free_pages, 0);
dev_set_drvdata(&dev->dev, NULL);
-
- return 0;
}
static int scsiback_probe(struct xenbus_device *dev,
diff --git a/fs/afs/cmservice.c b/fs/afs/cmservice.c
index 7dcd59693a0c..d4ddb20d6732 100644
--- a/fs/afs/cmservice.c
+++ b/fs/afs/cmservice.c
@@ -13,6 +13,8 @@
#include "internal.h"
#include "afs_cm.h"
#include "protocol_yfs.h"
+#define RXRPC_TRACE_ONLY_DEFINE_ENUMS
+#include <trace/events/rxrpc.h>
static int afs_deliver_cb_init_call_back_state(struct afs_call *);
static int afs_deliver_cb_init_call_back_state3(struct afs_call *);
@@ -191,7 +193,7 @@ static void afs_cm_destructor(struct afs_call *call)
* Abort a service call from within an action function.
*/
static void afs_abort_service_call(struct afs_call *call, u32 abort_code, int error,
- const char *why)
+ enum rxrpc_abort_reason why)
{
rxrpc_kernel_abort_call(call->net->socket, call->rxcall,
abort_code, error, why);
@@ -469,7 +471,7 @@ static void SRXAFSCB_ProbeUuid(struct work_struct *work)
if (memcmp(r, &call->net->uuid, sizeof(call->net->uuid)) == 0)
afs_send_empty_reply(call);
else
- afs_abort_service_call(call, 1, 1, "K-1");
+ afs_abort_service_call(call, 1, 1, afs_abort_probeuuid_negative);
afs_put_call(call);
_leave("");
diff --git a/fs/afs/rxrpc.c b/fs/afs/rxrpc.c
index c62939e5ea1f..7817e2b860e5 100644
--- a/fs/afs/rxrpc.c
+++ b/fs/afs/rxrpc.c
@@ -13,6 +13,8 @@
#include "internal.h"
#include "afs_cm.h"
#include "protocol_yfs.h"
+#define RXRPC_TRACE_ONLY_DEFINE_ENUMS
+#include <trace/events/rxrpc.h>
struct workqueue_struct *afs_async_calls;
@@ -397,7 +399,8 @@ void afs_make_call(struct afs_addr_cursor *ac, struct afs_call *call, gfp_t gfp)
error_do_abort:
if (ret != -ECONNABORTED) {
rxrpc_kernel_abort_call(call->net->socket, rxcall,
- RX_USER_ABORT, ret, "KSD");
+ RX_USER_ABORT, ret,
+ afs_abort_send_data_error);
} else {
len = 0;
iov_iter_kvec(&msg.msg_iter, ITER_DEST, NULL, 0, 0);
@@ -527,7 +530,8 @@ static void afs_deliver_to_call(struct afs_call *call)
case -ENOTSUPP:
abort_code = RXGEN_OPCODE;
rxrpc_kernel_abort_call(call->net->socket, call->rxcall,
- abort_code, ret, "KIV");
+ abort_code, ret,
+ afs_abort_op_not_supported);
goto local_abort;
case -EIO:
pr_err("kAFS: Call %u in bad state %u\n",
@@ -542,12 +546,14 @@ static void afs_deliver_to_call(struct afs_call *call)
if (state != AFS_CALL_CL_AWAIT_REPLY)
abort_code = RXGEN_SS_UNMARSHAL;
rxrpc_kernel_abort_call(call->net->socket, call->rxcall,
- abort_code, ret, "KUM");
+ abort_code, ret,
+ afs_abort_unmarshal_error);
goto local_abort;
default:
abort_code = RX_CALL_DEAD;
rxrpc_kernel_abort_call(call->net->socket, call->rxcall,
- abort_code, ret, "KER");
+ abort_code, ret,
+ afs_abort_general_error);
goto local_abort;
}
}
@@ -619,7 +625,8 @@ long afs_wait_for_call_to_complete(struct afs_call *call,
/* Kill off the call if it's still live. */
_debug("call interrupted");
if (rxrpc_kernel_abort_call(call->net->socket, call->rxcall,
- RX_USER_ABORT, -EINTR, "KWI"))
+ RX_USER_ABORT, -EINTR,
+ afs_abort_interrupted))
afs_set_call_complete(call, -EINTR, 0);
}
}
@@ -836,7 +843,8 @@ void afs_send_empty_reply(struct afs_call *call)
case -ENOMEM:
_debug("oom");
rxrpc_kernel_abort_call(net->socket, call->rxcall,
- RXGEN_SS_MARSHAL, -ENOMEM, "KOO");
+ RXGEN_SS_MARSHAL, -ENOMEM,
+ afs_abort_oom);
fallthrough;
default:
_leave(" [error]");
@@ -878,7 +886,8 @@ void afs_send_simple_reply(struct afs_call *call, const void *buf, size_t len)
if (n == -ENOMEM) {
_debug("oom");
rxrpc_kernel_abort_call(net->socket, call->rxcall,
- RXGEN_SS_MARSHAL, -ENOMEM, "KOO");
+ RXGEN_SS_MARSHAL, -ENOMEM,
+ afs_abort_oom);
}
_leave(" [error]");
}
@@ -900,6 +909,7 @@ int afs_extract_data(struct afs_call *call, bool want_more)
ret = rxrpc_kernel_recv_data(net->socket, call->rxcall, iter,
&call->iov_len, want_more, &remote_abort,
&call->service_id);
+ trace_afs_receive_data(call, call->iter, want_more, ret);
if (ret == 0 || ret == -EAGAIN)
return ret;
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index de63572a9404..9a780fafc539 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -2034,7 +2034,7 @@ static int elf_core_dump(struct coredump_params *cprm)
* The number of segs are recored into ELF header as 16bit value.
* Please check DEFAULT_MAX_MAP_COUNT definition when you modify here.
*/
- segs = cprm->vma_count + elf_core_extra_phdrs();
+ segs = cprm->vma_count + elf_core_extra_phdrs(cprm);
/* for notes section */
segs++;
@@ -2074,7 +2074,7 @@ static int elf_core_dump(struct coredump_params *cprm)
dataoff = offset = roundup(offset, ELF_EXEC_PAGESIZE);
offset += cprm->vma_data_size;
- offset += elf_core_extra_data_size();
+ offset += elf_core_extra_data_size(cprm);
e_shoff = offset;
if (e_phnum == PN_XNUM) {
diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c
index 096e3520a0b1..a05eafcacfb2 100644
--- a/fs/binfmt_elf_fdpic.c
+++ b/fs/binfmt_elf_fdpic.c
@@ -1509,7 +1509,7 @@ static int elf_fdpic_core_dump(struct coredump_params *cprm)
tmp->next = thread_list;
thread_list = tmp;
- segs = cprm->vma_count + elf_core_extra_phdrs();
+ segs = cprm->vma_count + elf_core_extra_phdrs(cprm);
/* for notes section */
segs++;
@@ -1555,7 +1555,7 @@ static int elf_fdpic_core_dump(struct coredump_params *cprm)
dataoff = offset = roundup(offset, ELF_EXEC_PAGESIZE);
offset += cprm->vma_data_size;
- offset += elf_core_extra_data_size();
+ offset += elf_core_extra_data_size(cprm);
e_shoff = offset;
if (e_phnum == PN_XNUM) {
diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c
index 5db73c0f792a..cbc18b4a9cb2 100644
--- a/fs/cifs/cifsencrypt.c
+++ b/fs/cifs/cifsencrypt.c
@@ -278,6 +278,7 @@ build_avpair_blob(struct cifs_ses *ses, const struct nls_table *nls_cp)
* ( for NTLMSSP_AV_NB_DOMAIN_NAME followed by NTLMSSP_AV_EOL ) +
* unicode length of a netbios domain name
*/
+ kfree_sensitive(ses->auth_key.response);
ses->auth_key.len = size + 2 * dlen;
ses->auth_key.response = kzalloc(ses->auth_key.len, GFP_KERNEL);
if (!ses->auth_key.response) {
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index d371259d6808..b2a04b4e89a5 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -2606,11 +2606,14 @@ cifs_get_tcon(struct cifs_ses *ses, struct smb3_fs_context *ctx)
INIT_LIST_HEAD(&tcon->pending_opens);
tcon->status = TID_GOOD;
- /* schedule query interfaces poll */
INIT_DELAYED_WORK(&tcon->query_interfaces,
smb2_query_server_interfaces);
- queue_delayed_work(cifsiod_wq, &tcon->query_interfaces,
- (SMB_INTERFACE_POLL_INTERVAL * HZ));
+ if (ses->server->dialect >= SMB30_PROT_ID &&
+ (ses->server->capabilities & SMB2_GLOBAL_CAP_MULTI_CHANNEL)) {
+ /* schedule query interfaces poll */
+ queue_delayed_work(cifsiod_wq, &tcon->query_interfaces,
+ (SMB_INTERFACE_POLL_INTERVAL * HZ));
+ }
spin_lock(&cifs_tcp_ses_lock);
list_add(&tcon->tcon_list, &ses->tcon_list);
diff --git a/fs/cifs/dfs_cache.c b/fs/cifs/dfs_cache.c
index 43ad1176dcb9..e20f8880363f 100644
--- a/fs/cifs/dfs_cache.c
+++ b/fs/cifs/dfs_cache.c
@@ -1299,7 +1299,6 @@ static bool target_share_equal(struct TCP_Server_Info *server, const char *s1, c
* Resolve share's hostname and check if server address matches. Otherwise just ignore it
* as we could not have upcall to resolve hostname or failed to convert ip address.
*/
- match = true;
extract_unc_hostname(s1, &host, &hostlen);
scnprintf(unc, sizeof(unc), "\\\\%.*s", (int)hostlen, host);
diff --git a/fs/cifs/link.c b/fs/cifs/link.c
index bd374feeccaa..a5a097a69983 100644
--- a/fs/cifs/link.c
+++ b/fs/cifs/link.c
@@ -428,6 +428,7 @@ smb3_create_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
oparms.disposition = FILE_CREATE;
oparms.fid = &fid;
oparms.reconnect = false;
+ oparms.mode = 0644;
rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL, NULL,
NULL, NULL);
diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c
index 0b842a07e157..c47b254f0d1e 100644
--- a/fs/cifs/sess.c
+++ b/fs/cifs/sess.c
@@ -815,6 +815,7 @@ int decode_ntlmssp_challenge(char *bcc_ptr, int blob_len,
return -EINVAL;
}
if (tilen) {
+ kfree_sensitive(ses->auth_key.response);
ses->auth_key.response = kmemdup(bcc_ptr + tioffset, tilen,
GFP_KERNEL);
if (!ses->auth_key.response) {
@@ -1428,6 +1429,7 @@ sess_auth_kerberos(struct sess_data *sess_data)
goto out_put_spnego_key;
}
+ kfree_sensitive(ses->auth_key.response);
ses->auth_key.response = kmemdup(msg->data, msg->sesskey_len,
GFP_KERNEL);
if (!ses->auth_key.response) {
diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c
index 50480751e521..4cb364454e13 100644
--- a/fs/cifs/smb1ops.c
+++ b/fs/cifs/smb1ops.c
@@ -562,17 +562,20 @@ static int cifs_query_path_info(const unsigned int xid, struct cifs_tcon *tcon,
if ((rc == -EOPNOTSUPP) || (rc == -EINVAL)) {
rc = SMBQueryInformation(xid, tcon, full_path, &fi, cifs_sb->local_nls,
cifs_remap(cifs_sb));
- if (!rc)
- move_cifs_info_to_smb2(&data->fi, &fi);
*adjustTZ = true;
}
- if (!rc && (le32_to_cpu(fi.Attributes) & ATTR_REPARSE)) {
+ if (!rc) {
int tmprc;
int oplock = 0;
struct cifs_fid fid;
struct cifs_open_parms oparms;
+ move_cifs_info_to_smb2(&data->fi, &fi);
+
+ if (!(le32_to_cpu(fi.Attributes) & ATTR_REPARSE))
+ return 0;
+
oparms.tcon = tcon;
oparms.cifs_sb = cifs_sb;
oparms.desired_access = FILE_READ_ATTRIBUTES;
@@ -716,17 +719,25 @@ cifs_mkdir_setinfo(struct inode *inode, const char *full_path,
static int cifs_open_file(const unsigned int xid, struct cifs_open_parms *oparms, __u32 *oplock,
void *buf)
{
- FILE_ALL_INFO *fi = buf;
+ struct cifs_open_info_data *data = buf;
+ FILE_ALL_INFO fi = {};
+ int rc;
if (!(oparms->tcon->ses->capabilities & CAP_NT_SMBS))
- return SMBLegacyOpen(xid, oparms->tcon, oparms->path,
- oparms->disposition,
- oparms->desired_access,
- oparms->create_options,
- &oparms->fid->netfid, oplock, fi,
- oparms->cifs_sb->local_nls,
- cifs_remap(oparms->cifs_sb));
- return CIFS_open(xid, oparms, oplock, fi);
+ rc = SMBLegacyOpen(xid, oparms->tcon, oparms->path,
+ oparms->disposition,
+ oparms->desired_access,
+ oparms->create_options,
+ &oparms->fid->netfid, oplock, &fi,
+ oparms->cifs_sb->local_nls,
+ cifs_remap(oparms->cifs_sb));
+ else
+ rc = CIFS_open(xid, oparms, oplock, &fi);
+
+ if (!rc && data)
+ move_cifs_info_to_smb2(&data->fi, &fi);
+
+ return rc;
}
static void
@@ -1050,7 +1061,7 @@ cifs_make_node(unsigned int xid, struct inode *inode,
struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
struct inode *newinode = NULL;
int rc = -EPERM;
- FILE_ALL_INFO *buf = NULL;
+ struct cifs_open_info_data buf = {};
struct cifs_io_parms io_parms;
__u32 oplock = 0;
struct cifs_fid fid;
@@ -1082,14 +1093,14 @@ cifs_make_node(unsigned int xid, struct inode *inode,
cifs_sb->local_nls,
cifs_remap(cifs_sb));
if (rc)
- goto out;
+ return rc;
rc = cifs_get_inode_info_unix(&newinode, full_path,
inode->i_sb, xid);
if (rc == 0)
d_instantiate(dentry, newinode);
- goto out;
+ return rc;
}
/*
@@ -1097,19 +1108,13 @@ cifs_make_node(unsigned int xid, struct inode *inode,
* support block and char device (no socket & fifo)
*/
if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL))
- goto out;
+ return rc;
if (!S_ISCHR(mode) && !S_ISBLK(mode))
- goto out;
+ return rc;
cifs_dbg(FYI, "sfu compat create special file\n");
- buf = kmalloc(sizeof(FILE_ALL_INFO), GFP_KERNEL);
- if (buf == NULL) {
- rc = -ENOMEM;
- goto out;
- }
-
oparms.tcon = tcon;
oparms.cifs_sb = cifs_sb;
oparms.desired_access = GENERIC_WRITE;
@@ -1124,21 +1129,21 @@ cifs_make_node(unsigned int xid, struct inode *inode,
oplock = REQ_OPLOCK;
else
oplock = 0;
- rc = tcon->ses->server->ops->open(xid, &oparms, &oplock, buf);
+ rc = tcon->ses->server->ops->open(xid, &oparms, &oplock, &buf);
if (rc)
- goto out;
+ return rc;
/*
* BB Do not bother to decode buf since no local inode yet to put
* timestamps in, but we can reuse it safely.
*/
- pdev = (struct win_dev *)buf;
+ pdev = (struct win_dev *)&buf.fi;
io_parms.pid = current->tgid;
io_parms.tcon = tcon;
io_parms.offset = 0;
io_parms.length = sizeof(struct win_dev);
- iov[1].iov_base = buf;
+ iov[1].iov_base = &buf.fi;
iov[1].iov_len = sizeof(struct win_dev);
if (S_ISCHR(mode)) {
memcpy(pdev->type, "IntxCHR", 8);
@@ -1157,8 +1162,8 @@ cifs_make_node(unsigned int xid, struct inode *inode,
d_drop(dentry);
/* FIXME: add code here to set EAs */
-out:
- kfree(buf);
+
+ cifs_free_open_info(&buf);
return rc;
}
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 2c484d47c592..4b71f4a92f76 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -1453,6 +1453,7 @@ SMB2_auth_kerberos(struct SMB2_sess_data *sess_data)
/* keep session key if binding */
if (!is_binding) {
+ kfree_sensitive(ses->auth_key.response);
ses->auth_key.response = kmemdup(msg->data, msg->sesskey_len,
GFP_KERNEL);
if (!ses->auth_key.response) {
@@ -1482,8 +1483,11 @@ SMB2_auth_kerberos(struct SMB2_sess_data *sess_data)
out_put_spnego_key:
key_invalidate(spnego_key);
key_put(spnego_key);
- if (rc)
+ if (rc) {
kfree_sensitive(ses->auth_key.response);
+ ses->auth_key.response = NULL;
+ ses->auth_key.len = 0;
+ }
out:
sess_data->result = rc;
sess_data->func = NULL;
diff --git a/fs/ksmbd/auth.c b/fs/ksmbd/auth.c
index 2a39ffb8423b..6e61b5bc7d86 100644
--- a/fs/ksmbd/auth.c
+++ b/fs/ksmbd/auth.c
@@ -322,7 +322,8 @@ int ksmbd_decode_ntlmssp_auth_blob(struct authenticate_message *authblob,
dn_off = le32_to_cpu(authblob->DomainName.BufferOffset);
dn_len = le16_to_cpu(authblob->DomainName.Length);
- if (blob_len < (u64)dn_off + dn_len || blob_len < (u64)nt_off + nt_len)
+ if (blob_len < (u64)dn_off + dn_len || blob_len < (u64)nt_off + nt_len ||
+ nt_len < CIFS_ENCPWD_SIZE)
return -EINVAL;
/* TODO : use domain name that imported from configuration file */
diff --git a/fs/ksmbd/connection.c b/fs/ksmbd/connection.c
index 12be8386446a..fd0a288af299 100644
--- a/fs/ksmbd/connection.c
+++ b/fs/ksmbd/connection.c
@@ -316,9 +316,12 @@ int ksmbd_conn_handler_loop(void *p)
/* 4 for rfc1002 length field */
size = pdu_size + 4;
- conn->request_buf = kvmalloc(size, GFP_KERNEL);
+ conn->request_buf = kvmalloc(size,
+ GFP_KERNEL |
+ __GFP_NOWARN |
+ __GFP_NORETRY);
if (!conn->request_buf)
- continue;
+ break;
memcpy(conn->request_buf, hdr_buf, sizeof(hdr_buf));
if (!ksmbd_smb_request(conn))
diff --git a/fs/ksmbd/smb2pdu.c b/fs/ksmbd/smb2pdu.c
index 14d7f3599c63..38fbda52e06f 100644
--- a/fs/ksmbd/smb2pdu.c
+++ b/fs/ksmbd/smb2pdu.c
@@ -1928,13 +1928,13 @@ int smb2_tree_connect(struct ksmbd_work *work)
if (conn->posix_ext_supported)
status.tree_conn->posix_extensions = true;
-out_err1:
rsp->StructureSize = cpu_to_le16(16);
+ inc_rfc1001_len(work->response_buf, 16);
+out_err1:
rsp->Capabilities = 0;
rsp->Reserved = 0;
/* default manual caching */
rsp->ShareFlags = SMB2_SHAREFLAG_MANUAL_CACHING;
- inc_rfc1001_len(work->response_buf, 16);
if (!IS_ERR(treename))
kfree(treename);
@@ -1967,6 +1967,9 @@ out_err1:
rsp->hdr.Status = STATUS_ACCESS_DENIED;
}
+ if (status.ret != KSMBD_TREE_CONN_STATUS_OK)
+ smb2_set_err_rsp(work);
+
return rc;
}
diff --git a/fs/ksmbd/transport_tcp.c b/fs/ksmbd/transport_tcp.c
index 63d55f543bd2..4c6bd0b69979 100644
--- a/fs/ksmbd/transport_tcp.c
+++ b/fs/ksmbd/transport_tcp.c
@@ -295,6 +295,7 @@ static int ksmbd_tcp_readv(struct tcp_transport *t, struct kvec *iov_orig,
struct msghdr ksmbd_msg;
struct kvec *iov;
struct ksmbd_conn *conn = KSMBD_TRANS(t)->conn;
+ int max_retry = 2;
iov = get_conn_iovec(t, nr_segs);
if (!iov)
@@ -321,9 +322,11 @@ static int ksmbd_tcp_readv(struct tcp_transport *t, struct kvec *iov_orig,
} else if (conn->status == KSMBD_SESS_NEED_RECONNECT) {
total_read = -EAGAIN;
break;
- } else if (length == -ERESTARTSYS || length == -EAGAIN) {
+ } else if ((length == -ERESTARTSYS || length == -EAGAIN) &&
+ max_retry) {
usleep_range(1000, 2000);
length = 0;
+ max_retry--;
continue;
} else if (length <= 0) {
total_read = -EAGAIN;
diff --git a/fs/nfsd/filecache.c b/fs/nfsd/filecache.c
index 45b2c9e3f636..0ef070349014 100644
--- a/fs/nfsd/filecache.c
+++ b/fs/nfsd/filecache.c
@@ -1071,8 +1071,8 @@ nfsd_file_is_cached(struct inode *inode)
static __be32
nfsd_file_do_acquire(struct svc_rqst *rqstp, struct svc_fh *fhp,
- unsigned int may_flags, struct nfsd_file **pnf,
- bool open, bool want_gc)
+ unsigned int may_flags, struct file *file,
+ struct nfsd_file **pnf, bool want_gc)
{
struct nfsd_file_lookup_key key = {
.type = NFSD_FILE_KEY_FULL,
@@ -1147,8 +1147,7 @@ wait_for_construction:
status = nfserrno(nfsd_open_break_lease(file_inode(nf->nf_file), may_flags));
out:
if (status == nfs_ok) {
- if (open)
- this_cpu_inc(nfsd_file_acquisitions);
+ this_cpu_inc(nfsd_file_acquisitions);
*pnf = nf;
} else {
if (refcount_dec_and_test(&nf->nf_ref))
@@ -1158,20 +1157,23 @@ out:
out_status:
put_cred(key.cred);
- if (open)
- trace_nfsd_file_acquire(rqstp, key.inode, may_flags, nf, status);
+ trace_nfsd_file_acquire(rqstp, key.inode, may_flags, nf, status);
return status;
open_file:
trace_nfsd_file_alloc(nf);
nf->nf_mark = nfsd_file_mark_find_or_create(nf, key.inode);
if (nf->nf_mark) {
- if (open) {
+ if (file) {
+ get_file(file);
+ nf->nf_file = file;
+ status = nfs_ok;
+ trace_nfsd_file_opened(nf, status);
+ } else {
status = nfsd_open_verified(rqstp, fhp, may_flags,
&nf->nf_file);
trace_nfsd_file_open(nf, status);
- } else
- status = nfs_ok;
+ }
} else
status = nfserr_jukebox;
/*
@@ -1207,7 +1209,7 @@ __be32
nfsd_file_acquire_gc(struct svc_rqst *rqstp, struct svc_fh *fhp,
unsigned int may_flags, struct nfsd_file **pnf)
{
- return nfsd_file_do_acquire(rqstp, fhp, may_flags, pnf, true, true);
+ return nfsd_file_do_acquire(rqstp, fhp, may_flags, NULL, pnf, true);
}
/**
@@ -1228,28 +1230,30 @@ __be32
nfsd_file_acquire(struct svc_rqst *rqstp, struct svc_fh *fhp,
unsigned int may_flags, struct nfsd_file **pnf)
{
- return nfsd_file_do_acquire(rqstp, fhp, may_flags, pnf, true, false);
+ return nfsd_file_do_acquire(rqstp, fhp, may_flags, NULL, pnf, false);
}
/**
- * nfsd_file_create - Get a struct nfsd_file, do not open
+ * nfsd_file_acquire_opened - Get a struct nfsd_file using existing open file
* @rqstp: the RPC transaction being executed
* @fhp: the NFS filehandle of the file just created
* @may_flags: NFSD_MAY_ settings for the file
+ * @file: cached, already-open file (may be NULL)
* @pnf: OUT: new or found "struct nfsd_file" object
*
- * The nfsd_file_object returned by this API is reference-counted
- * but not garbage-collected. The object is released immediately
- * one RCU grace period after the final nfsd_file_put().
+ * Acquire a nfsd_file object that is not GC'ed. If one doesn't already exist,
+ * and @file is non-NULL, use it to instantiate a new nfsd_file instead of
+ * opening a new one.
*
* Returns nfs_ok and sets @pnf on success; otherwise an nfsstat in
* network byte order is returned.
*/
__be32
-nfsd_file_create(struct svc_rqst *rqstp, struct svc_fh *fhp,
- unsigned int may_flags, struct nfsd_file **pnf)
+nfsd_file_acquire_opened(struct svc_rqst *rqstp, struct svc_fh *fhp,
+ unsigned int may_flags, struct file *file,
+ struct nfsd_file **pnf)
{
- return nfsd_file_do_acquire(rqstp, fhp, may_flags, pnf, false, false);
+ return nfsd_file_do_acquire(rqstp, fhp, may_flags, file, pnf, false);
}
/*
diff --git a/fs/nfsd/filecache.h b/fs/nfsd/filecache.h
index b7efb2c3ddb1..41516a4263ea 100644
--- a/fs/nfsd/filecache.h
+++ b/fs/nfsd/filecache.h
@@ -60,7 +60,8 @@ __be32 nfsd_file_acquire_gc(struct svc_rqst *rqstp, struct svc_fh *fhp,
unsigned int may_flags, struct nfsd_file **nfp);
__be32 nfsd_file_acquire(struct svc_rqst *rqstp, struct svc_fh *fhp,
unsigned int may_flags, struct nfsd_file **nfp);
-__be32 nfsd_file_create(struct svc_rqst *rqstp, struct svc_fh *fhp,
- unsigned int may_flags, struct nfsd_file **nfp);
+__be32 nfsd_file_acquire_opened(struct svc_rqst *rqstp, struct svc_fh *fhp,
+ unsigned int may_flags, struct file *file,
+ struct nfsd_file **nfp);
int nfsd_file_cache_stats_show(struct seq_file *m, void *v);
#endif /* _FS_NFSD_FILECACHE_H */
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index bd880d55f565..9b81d012666e 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -937,7 +937,7 @@ nfsd4_read(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
* the client wants us to do more in this compound:
*/
if (!nfsd4_last_compound_op(rqstp))
- __clear_bit(RQ_SPLICE_OK, &rqstp->rq_flags);
+ clear_bit(RQ_SPLICE_OK, &rqstp->rq_flags);
/* check stateid */
status = nfs4_preprocess_stateid_op(rqstp, cstate, &cstate->current_fh,
@@ -2607,12 +2607,11 @@ nfsd4_proc_compound(struct svc_rqst *rqstp)
cstate->minorversion = args->minorversion;
fh_init(current_fh, NFS4_FHSIZE);
fh_init(save_fh, NFS4_FHSIZE);
-
/*
* Don't use the deferral mechanism for NFSv4; compounds make it
* too hard to avoid non-idempotency problems.
*/
- __clear_bit(RQ_USEDEFERRAL, &rqstp->rq_flags);
+ clear_bit(RQ_USEDEFERRAL, &rqstp->rq_flags);
/*
* According to RFC3010, this takes precedence over all other errors.
@@ -2734,7 +2733,7 @@ encode_op:
out:
cstate->status = status;
/* Reset deferral mechanism for RPC deferrals */
- __set_bit(RQ_USEDEFERRAL, &rqstp->rq_flags);
+ set_bit(RQ_USEDEFERRAL, &rqstp->rq_flags);
return rpc_success;
}
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 7b2ee535ade8..4809ae0f0138 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -5262,18 +5262,10 @@ static __be32 nfs4_get_vfs_file(struct svc_rqst *rqstp, struct nfs4_file *fp,
if (!fp->fi_fds[oflag]) {
spin_unlock(&fp->fi_lock);
- if (!open->op_filp) {
- status = nfsd_file_acquire(rqstp, cur_fh, access, &nf);
- if (status != nfs_ok)
- goto out_put_access;
- } else {
- status = nfsd_file_create(rqstp, cur_fh, access, &nf);
- if (status != nfs_ok)
- goto out_put_access;
- nf->nf_file = open->op_filp;
- open->op_filp = NULL;
- trace_nfsd_file_create(rqstp, access, nf);
- }
+ status = nfsd_file_acquire_opened(rqstp, cur_fh, access,
+ open->op_filp, &nf);
+ if (status != nfs_ok)
+ goto out_put_access;
spin_lock(&fp->fi_lock);
if (!fp->fi_fds[oflag]) {
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index ebb4d02a42ce..97edb32be77f 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -2523,7 +2523,7 @@ nfsd4_decode_compound(struct nfsd4_compoundargs *argp)
argp->rqstp->rq_cachetype = cachethis ? RC_REPLBUFF : RC_NOCACHE;
if (readcount > 1 || max_reply > PAGE_SIZE - auth_slack)
- __clear_bit(RQ_SPLICE_OK, &argp->rqstp->rq_flags);
+ clear_bit(RQ_SPLICE_OK, &argp->rqstp->rq_flags);
return true;
}
diff --git a/fs/nfsd/nfsproc.c b/fs/nfsd/nfsproc.c
index a5570cf75f3f..9744443c3965 100644
--- a/fs/nfsd/nfsproc.c
+++ b/fs/nfsd/nfsproc.c
@@ -211,7 +211,7 @@ nfsd_proc_read(struct svc_rqst *rqstp)
if (resp->status == nfs_ok)
resp->status = fh_getattr(&resp->fh, &resp->stat);
else if (resp->status == nfserr_jukebox)
- __set_bit(RQ_DROPME, &rqstp->rq_flags);
+ set_bit(RQ_DROPME, &rqstp->rq_flags);
return rpc_success;
}
@@ -246,7 +246,7 @@ nfsd_proc_write(struct svc_rqst *rqstp)
if (resp->status == nfs_ok)
resp->status = fh_getattr(&resp->fh, &resp->stat);
else if (resp->status == nfserr_jukebox)
- __set_bit(RQ_DROPME, &rqstp->rq_flags);
+ set_bit(RQ_DROPME, &rqstp->rq_flags);
return rpc_success;
}
diff --git a/fs/nfsd/trace.h b/fs/nfsd/trace.h
index c852ae8eaf37..8f9c82d9e075 100644
--- a/fs/nfsd/trace.h
+++ b/fs/nfsd/trace.h
@@ -981,43 +981,6 @@ TRACE_EVENT(nfsd_file_acquire,
)
);
-TRACE_EVENT(nfsd_file_create,
- TP_PROTO(
- const struct svc_rqst *rqstp,
- unsigned int may_flags,
- const struct nfsd_file *nf
- ),
-
- TP_ARGS(rqstp, may_flags, nf),
-
- TP_STRUCT__entry(
- __field(const void *, nf_inode)
- __field(const void *, nf_file)
- __field(unsigned long, may_flags)
- __field(unsigned long, nf_flags)
- __field(unsigned long, nf_may)
- __field(unsigned int, nf_ref)
- __field(u32, xid)
- ),
-
- TP_fast_assign(
- __entry->nf_inode = nf->nf_inode;
- __entry->nf_file = nf->nf_file;
- __entry->may_flags = may_flags;
- __entry->nf_flags = nf->nf_flags;
- __entry->nf_may = nf->nf_may;
- __entry->nf_ref = refcount_read(&nf->nf_ref);
- __entry->xid = be32_to_cpu(rqstp->rq_xid);
- ),
-
- TP_printk("xid=0x%x inode=%p may_flags=%s ref=%u nf_flags=%s nf_may=%s nf_file=%p",
- __entry->xid, __entry->nf_inode,
- show_nfsd_may_flags(__entry->may_flags),
- __entry->nf_ref, show_nf_flags(__entry->nf_flags),
- show_nfsd_may_flags(__entry->nf_may), __entry->nf_file
- )
-);
-
TRACE_EVENT(nfsd_file_insert_err,
TP_PROTO(
const struct svc_rqst *rqstp,
@@ -1079,8 +1042,8 @@ TRACE_EVENT(nfsd_file_cons_err,
)
);
-TRACE_EVENT(nfsd_file_open,
- TP_PROTO(struct nfsd_file *nf, __be32 status),
+DECLARE_EVENT_CLASS(nfsd_file_open_class,
+ TP_PROTO(const struct nfsd_file *nf, __be32 status),
TP_ARGS(nf, status),
TP_STRUCT__entry(
__field(void *, nf_inode) /* cannot be dereferenced */
@@ -1104,6 +1067,17 @@ TRACE_EVENT(nfsd_file_open,
__entry->nf_file)
)
+#define DEFINE_NFSD_FILE_OPEN_EVENT(name) \
+DEFINE_EVENT(nfsd_file_open_class, name, \
+ TP_PROTO( \
+ const struct nfsd_file *nf, \
+ __be32 status \
+ ), \
+ TP_ARGS(nf, status))
+
+DEFINE_NFSD_FILE_OPEN_EVENT(nfsd_file_open);
+DEFINE_NFSD_FILE_OPEN_EVENT(nfsd_file_opened);
+
TRACE_EVENT(nfsd_file_is_cached,
TP_PROTO(
const struct inode *inode,
diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c
index 4c16c8c31fcb..35f574421670 100644
--- a/fs/xfs/libxfs/xfs_btree.c
+++ b/fs/xfs/libxfs/xfs_btree.c
@@ -4666,7 +4666,12 @@ xfs_btree_space_to_height(
const unsigned int *limits,
unsigned long long leaf_blocks)
{
- unsigned long long node_blocks = limits[1];
+ /*
+ * The root btree block can have fewer than minrecs pointers in it
+ * because the tree might not be big enough to require that amount of
+ * fanout. Hence it has a minimum size of 2 pointers, not limits[1].
+ */
+ unsigned long long node_blocks = 2;
unsigned long long blocks_left = leaf_blocks - 1;
unsigned int height = 1;
diff --git a/fs/xfs/xfs_extent_busy.c b/fs/xfs/xfs_extent_busy.c
index ad22a003f959..f3d328e4a440 100644
--- a/fs/xfs/xfs_extent_busy.c
+++ b/fs/xfs/xfs_extent_busy.c
@@ -236,6 +236,7 @@ xfs_extent_busy_update_extent(
*
*/
busyp->bno = fend;
+ busyp->length = bend - fend;
} else if (bbno < fbno) {
/*
* Case 8:
diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c
index f35e2cee5265..ddeaccc04aec 100644
--- a/fs/xfs/xfs_icache.c
+++ b/fs/xfs/xfs_icache.c
@@ -1853,12 +1853,20 @@ xfs_inodegc_worker(
struct xfs_inodegc, work);
struct llist_node *node = llist_del_all(&gc->list);
struct xfs_inode *ip, *n;
+ unsigned int nofs_flag;
WRITE_ONCE(gc->items, 0);
if (!node)
return;
+ /*
+ * We can allocate memory here while doing writeback on behalf of
+ * memory reclaim. To avoid memory allocation deadlocks set the
+ * task-wide nofs context for the following operations.
+ */
+ nofs_flag = memalloc_nofs_save();
+
ip = llist_entry(node, struct xfs_inode, i_gclist);
trace_xfs_inodegc_worker(ip->i_mount, READ_ONCE(gc->shrinker_hits));
@@ -1867,6 +1875,8 @@ xfs_inodegc_worker(
xfs_iflags_set(ip, XFS_INACTIVATING);
xfs_inodegc_inactivate(ip);
}
+
+ memalloc_nofs_restore(nofs_flag);
}
/*
diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index 13f1b2add390..736510bc241b 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -754,7 +754,7 @@ xfs_bulkstat_fmt(
static int
xfs_bulk_ireq_setup(
struct xfs_mount *mp,
- struct xfs_bulk_ireq *hdr,
+ const struct xfs_bulk_ireq *hdr,
struct xfs_ibulk *breq,
void __user *ubuffer)
{
@@ -780,7 +780,7 @@ xfs_bulk_ireq_setup(
switch (hdr->ino) {
case XFS_BULK_IREQ_SPECIAL_ROOT:
- hdr->ino = mp->m_sb.sb_rootino;
+ breq->startino = mp->m_sb.sb_rootino;
break;
default:
return -EINVAL;
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index 669c1bc5c3a7..fc1946f80a4a 100644
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -83,7 +83,7 @@ xfs_iomap_valid(
return true;
}
-const struct iomap_page_ops xfs_iomap_page_ops = {
+static const struct iomap_page_ops xfs_iomap_page_ops = {
.iomap_valid = xfs_iomap_valid,
};
diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c
index ff53d40a2dae..e2c542f6dcd4 100644
--- a/fs/xfs/xfs_qm.c
+++ b/fs/xfs/xfs_qm.c
@@ -68,7 +68,7 @@ restart:
while (1) {
struct xfs_dquot *batch[XFS_DQ_LOOKUP_BATCH];
- int error = 0;
+ int error;
int i;
mutex_lock(&qi->qi_tree_lock);
diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c
index fe46bce8cae6..5535778a98f9 100644
--- a/fs/xfs/xfs_reflink.c
+++ b/fs/xfs/xfs_reflink.c
@@ -416,8 +416,6 @@ xfs_reflink_fill_cow_hole(
goto convert;
}
- ASSERT(cmap->br_startoff > imap->br_startoff);
-
/* Allocate the entire reservation as unwritten blocks. */
nimaps = 1;
error = xfs_bmapi_write(tp, ip, imap->br_startoff, imap->br_blockcount,
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index cd3b75e08ec3..e44be31115a6 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -230,7 +230,8 @@ struct acpi_pnp_type {
u32 hardware_id:1;
u32 bus_address:1;
u32 platform_id:1;
- u32 reserved:29;
+ u32 backlight:1;
+ u32 reserved:28;
};
struct acpi_device_pnp {
diff --git a/include/linux/elfcore.h b/include/linux/elfcore.h
index 9ec81290e3c8..bd5560542c79 100644
--- a/include/linux/elfcore.h
+++ b/include/linux/elfcore.h
@@ -105,14 +105,14 @@ int elf_core_copy_task_fpregs(struct task_struct *t, elf_fpregset_t *fpu);
* Dumping its extra ELF program headers includes all the other information
* a debugger needs to easily find how the gate DSO was being used.
*/
-extern Elf_Half elf_core_extra_phdrs(void);
+extern Elf_Half elf_core_extra_phdrs(struct coredump_params *cprm);
extern int
elf_core_write_extra_phdrs(struct coredump_params *cprm, loff_t offset);
extern int
elf_core_write_extra_data(struct coredump_params *cprm);
-extern size_t elf_core_extra_data_size(void);
+extern size_t elf_core_extra_data_size(struct coredump_params *cprm);
#else
-static inline Elf_Half elf_core_extra_phdrs(void)
+static inline Elf_Half elf_core_extra_phdrs(struct coredump_params *cprm)
{
return 0;
}
@@ -127,7 +127,7 @@ static inline int elf_core_write_extra_data(struct coredump_params *cprm)
return 1;
}
-static inline size_t elf_core_extra_data_size(void)
+static inline size_t elf_core_extra_data_size(struct coredump_params *cprm)
{
return 0;
}
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index d476255c9a3f..76ef2e4fde38 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -315,7 +315,7 @@ struct mlx5_cmd {
struct mlx5_cmd_debug dbg;
struct cmd_msg_cache cache[MLX5_NUM_COMMAND_CACHES];
int checksum_disabled;
- struct mlx5_cmd_stats *stats;
+ struct mlx5_cmd_stats stats[MLX5_CMD_OP_MAX];
};
struct mlx5_cmd_mailbox {
diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h
index 25765556223a..a3f8cdca90c8 100644
--- a/include/linux/mtd/spi-nor.h
+++ b/include/linux/mtd/spi-nor.h
@@ -7,7 +7,6 @@
#define __LINUX_MTD_SPI_NOR_H
#include <linux/bitops.h>
-#include <linux/mtd/cfi.h>
#include <linux/mtd/mtd.h>
#include <linux/spi/spi-mem.h>
diff --git a/include/linux/platform_data/x86/simatic-ipc.h b/include/linux/platform_data/x86/simatic-ipc.h
index 632320ec8f08..a48bb5240977 100644
--- a/include/linux/platform_data/x86/simatic-ipc.h
+++ b/include/linux/platform_data/x86/simatic-ipc.h
@@ -32,7 +32,8 @@ enum simatic_ipc_station_ids {
SIMATIC_IPC_IPC477E = 0x00000A02,
SIMATIC_IPC_IPC127E = 0x00000D01,
SIMATIC_IPC_IPC227G = 0x00000F01,
- SIMATIC_IPC_IPC427G = 0x00001001,
+ SIMATIC_IPC_IPCBX_39A = 0x00001001,
+ SIMATIC_IPC_IPCPX_39A = 0x00001002,
};
static inline u32 simatic_ipc_get_station_id(u8 *data, int max_len)
diff --git a/include/linux/tpm_eventlog.h b/include/linux/tpm_eventlog.h
index 20c0ff54b7a0..7d68a5cc5881 100644
--- a/include/linux/tpm_eventlog.h
+++ b/include/linux/tpm_eventlog.h
@@ -198,8 +198,8 @@ static __always_inline int __calc_tpm2_event_size(struct tcg_pcr_event2_head *ev
* The loop below will unmap these fields if the log is larger than
* one page, so save them here for reference:
*/
- count = READ_ONCE(event->count);
- event_type = READ_ONCE(event->event_type);
+ count = event->count;
+ event_type = event->event_type;
/* Verify that it's the log header */
if (event_header->pcr_idx != 0 ||
diff --git a/include/net/af_rxrpc.h b/include/net/af_rxrpc.h
index d5a5ae926380..ba717eac0229 100644
--- a/include/net/af_rxrpc.h
+++ b/include/net/af_rxrpc.h
@@ -15,6 +15,7 @@ struct key;
struct sock;
struct socket;
struct rxrpc_call;
+enum rxrpc_abort_reason;
enum rxrpc_interruptibility {
RXRPC_INTERRUPTIBLE, /* Call is interruptible */
@@ -55,7 +56,7 @@ int rxrpc_kernel_send_data(struct socket *, struct rxrpc_call *,
int rxrpc_kernel_recv_data(struct socket *, struct rxrpc_call *,
struct iov_iter *, size_t *, bool, u32 *, u16 *);
bool rxrpc_kernel_abort_call(struct socket *, struct rxrpc_call *,
- u32, int, const char *);
+ u32, int, enum rxrpc_abort_reason);
void rxrpc_kernel_end_call(struct socket *, struct rxrpc_call *);
void rxrpc_kernel_get_peer(struct socket *, struct rxrpc_call *,
struct sockaddr_rxrpc *);
diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h
index cab52b0f11d0..34c03707fb6e 100644
--- a/include/scsi/scsi_transport_iscsi.h
+++ b/include/scsi/scsi_transport_iscsi.h
@@ -236,6 +236,14 @@ enum {
ISCSI_SESSION_FREE,
};
+enum {
+ ISCSI_SESSION_TARGET_UNBOUND,
+ ISCSI_SESSION_TARGET_ALLOCATED,
+ ISCSI_SESSION_TARGET_SCANNED,
+ ISCSI_SESSION_TARGET_UNBINDING,
+ ISCSI_SESSION_TARGET_MAX,
+};
+
#define ISCSI_MAX_TARGET -1
struct iscsi_cls_session {
@@ -264,6 +272,7 @@ struct iscsi_cls_session {
*/
pid_t creator;
int state;
+ int target_state; /* session target bind state */
int sid; /* session id */
void *dd_data; /* LLD private data */
struct device dev; /* sysfs transport/container device */
diff --git a/include/trace/events/rxrpc.h b/include/trace/events/rxrpc.h
index 5f9dd7389536..283db0ea3db4 100644
--- a/include/trace/events/rxrpc.h
+++ b/include/trace/events/rxrpc.h
@@ -16,7 +16,107 @@
/*
* Declare tracing information enums and their string mappings for display.
*/
+#define rxrpc_abort_reasons \
+ /* AFS errors */ \
+ EM(afs_abort_general_error, "afs-error") \
+ EM(afs_abort_interrupted, "afs-intr") \
+ EM(afs_abort_oom, "afs-oom") \
+ EM(afs_abort_op_not_supported, "afs-op-notsupp") \
+ EM(afs_abort_probeuuid_negative, "afs-probeuuid-neg") \
+ EM(afs_abort_send_data_error, "afs-send-data") \
+ EM(afs_abort_unmarshal_error, "afs-unmarshal") \
+ /* rxperf errors */ \
+ EM(rxperf_abort_general_error, "rxperf-error") \
+ EM(rxperf_abort_oom, "rxperf-oom") \
+ EM(rxperf_abort_op_not_supported, "rxperf-op-notsupp") \
+ EM(rxperf_abort_unmarshal_error, "rxperf-unmarshal") \
+ /* RxKAD security errors */ \
+ EM(rxkad_abort_1_short_check, "rxkad1-short-check") \
+ EM(rxkad_abort_1_short_data, "rxkad1-short-data") \
+ EM(rxkad_abort_1_short_encdata, "rxkad1-short-encdata") \
+ EM(rxkad_abort_1_short_header, "rxkad1-short-hdr") \
+ EM(rxkad_abort_2_short_check, "rxkad2-short-check") \
+ EM(rxkad_abort_2_short_data, "rxkad2-short-data") \
+ EM(rxkad_abort_2_short_header, "rxkad2-short-hdr") \
+ EM(rxkad_abort_2_short_len, "rxkad2-short-len") \
+ EM(rxkad_abort_bad_checksum, "rxkad2-bad-cksum") \
+ EM(rxkad_abort_chall_key_expired, "rxkad-chall-key-exp") \
+ EM(rxkad_abort_chall_level, "rxkad-chall-level") \
+ EM(rxkad_abort_chall_no_key, "rxkad-chall-nokey") \
+ EM(rxkad_abort_chall_short, "rxkad-chall-short") \
+ EM(rxkad_abort_chall_version, "rxkad-chall-version") \
+ EM(rxkad_abort_resp_bad_callid, "rxkad-resp-bad-callid") \
+ EM(rxkad_abort_resp_bad_checksum, "rxkad-resp-bad-cksum") \
+ EM(rxkad_abort_resp_bad_param, "rxkad-resp-bad-param") \
+ EM(rxkad_abort_resp_call_ctr, "rxkad-resp-call-ctr") \
+ EM(rxkad_abort_resp_call_state, "rxkad-resp-call-state") \
+ EM(rxkad_abort_resp_key_expired, "rxkad-resp-key-exp") \
+ EM(rxkad_abort_resp_key_rejected, "rxkad-resp-key-rej") \
+ EM(rxkad_abort_resp_level, "rxkad-resp-level") \
+ EM(rxkad_abort_resp_nokey, "rxkad-resp-nokey") \
+ EM(rxkad_abort_resp_ooseq, "rxkad-resp-ooseq") \
+ EM(rxkad_abort_resp_short, "rxkad-resp-short") \
+ EM(rxkad_abort_resp_short_tkt, "rxkad-resp-short-tkt") \
+ EM(rxkad_abort_resp_tkt_aname, "rxkad-resp-tk-aname") \
+ EM(rxkad_abort_resp_tkt_expired, "rxkad-resp-tk-exp") \
+ EM(rxkad_abort_resp_tkt_future, "rxkad-resp-tk-future") \
+ EM(rxkad_abort_resp_tkt_inst, "rxkad-resp-tk-inst") \
+ EM(rxkad_abort_resp_tkt_len, "rxkad-resp-tk-len") \
+ EM(rxkad_abort_resp_tkt_realm, "rxkad-resp-tk-realm") \
+ EM(rxkad_abort_resp_tkt_short, "rxkad-resp-tk-short") \
+ EM(rxkad_abort_resp_tkt_sinst, "rxkad-resp-tk-sinst") \
+ EM(rxkad_abort_resp_tkt_sname, "rxkad-resp-tk-sname") \
+ EM(rxkad_abort_resp_unknown_tkt, "rxkad-resp-unknown-tkt") \
+ EM(rxkad_abort_resp_version, "rxkad-resp-version") \
+ /* rxrpc errors */ \
+ EM(rxrpc_abort_call_improper_term, "call-improper-term") \
+ EM(rxrpc_abort_call_reset, "call-reset") \
+ EM(rxrpc_abort_call_sendmsg, "call-sendmsg") \
+ EM(rxrpc_abort_call_sock_release, "call-sock-rel") \
+ EM(rxrpc_abort_call_sock_release_tba, "call-sock-rel-tba") \
+ EM(rxrpc_abort_call_timeout, "call-timeout") \
+ EM(rxrpc_abort_no_service_key, "no-serv-key") \
+ EM(rxrpc_abort_nomem, "nomem") \
+ EM(rxrpc_abort_service_not_offered, "serv-not-offered") \
+ EM(rxrpc_abort_shut_down, "shut-down") \
+ EM(rxrpc_abort_unsupported_security, "unsup-sec") \
+ EM(rxrpc_badmsg_bad_abort, "bad-abort") \
+ EM(rxrpc_badmsg_bad_jumbo, "bad-jumbo") \
+ EM(rxrpc_badmsg_short_ack, "short-ack") \
+ EM(rxrpc_badmsg_short_ack_info, "short-ack-info") \
+ EM(rxrpc_badmsg_short_hdr, "short-hdr") \
+ EM(rxrpc_badmsg_unsupported_packet, "unsup-pkt") \
+ EM(rxrpc_badmsg_zero_call, "zero-call") \
+ EM(rxrpc_badmsg_zero_seq, "zero-seq") \
+ EM(rxrpc_badmsg_zero_service, "zero-service") \
+ EM(rxrpc_eproto_ackr_outside_window, "ackr-out-win") \
+ EM(rxrpc_eproto_ackr_sack_overflow, "ackr-sack-over") \
+ EM(rxrpc_eproto_ackr_short_sack, "ackr-short-sack") \
+ EM(rxrpc_eproto_ackr_zero, "ackr-zero") \
+ EM(rxrpc_eproto_bad_upgrade, "bad-upgrade") \
+ EM(rxrpc_eproto_data_after_last, "data-after-last") \
+ EM(rxrpc_eproto_different_last, "diff-last") \
+ EM(rxrpc_eproto_early_reply, "early-reply") \
+ EM(rxrpc_eproto_improper_term, "improper-term") \
+ EM(rxrpc_eproto_no_client_call, "no-cl-call") \
+ EM(rxrpc_eproto_no_client_conn, "no-cl-conn") \
+ EM(rxrpc_eproto_no_service_call, "no-sv-call") \
+ EM(rxrpc_eproto_reupgrade, "re-upgrade") \
+ EM(rxrpc_eproto_rxnull_challenge, "rxnull-chall") \
+ EM(rxrpc_eproto_rxnull_response, "rxnull-resp") \
+ EM(rxrpc_eproto_tx_rot_last, "tx-rot-last") \
+ EM(rxrpc_eproto_unexpected_ack, "unex-ack") \
+ EM(rxrpc_eproto_unexpected_ackall, "unex-ackall") \
+ EM(rxrpc_eproto_unexpected_implicit_end, "unex-impl-end") \
+ EM(rxrpc_eproto_unexpected_reply, "unex-reply") \
+ EM(rxrpc_eproto_wrong_security, "wrong-sec") \
+ EM(rxrpc_recvmsg_excess_data, "recvmsg-excess") \
+ EM(rxrpc_recvmsg_short_data, "recvmsg-short") \
+ E_(rxrpc_sendmsg_late_send, "sendmsg-late")
+
#define rxrpc_call_poke_traces \
+ EM(rxrpc_call_poke_abort, "Abort") \
+ EM(rxrpc_call_poke_complete, "Compl") \
EM(rxrpc_call_poke_error, "Error") \
EM(rxrpc_call_poke_idle, "Idle") \
EM(rxrpc_call_poke_start, "Start") \
@@ -26,6 +126,7 @@
#define rxrpc_skb_traces \
EM(rxrpc_skb_eaten_by_unshare, "ETN unshare ") \
EM(rxrpc_skb_eaten_by_unshare_nomem, "ETN unshar-nm") \
+ EM(rxrpc_skb_get_conn_secured, "GET conn-secd") \
EM(rxrpc_skb_get_conn_work, "GET conn-work") \
EM(rxrpc_skb_get_local_work, "GET locl-work") \
EM(rxrpc_skb_get_reject_work, "GET rej-work ") \
@@ -35,6 +136,7 @@
EM(rxrpc_skb_new_error_report, "NEW error-rpt") \
EM(rxrpc_skb_new_jumbo_subpacket, "NEW jumbo-sub") \
EM(rxrpc_skb_new_unshared, "NEW unshared ") \
+ EM(rxrpc_skb_put_conn_secured, "PUT conn-secd") \
EM(rxrpc_skb_put_conn_work, "PUT conn-work") \
EM(rxrpc_skb_put_error_report, "PUT error-rep") \
EM(rxrpc_skb_put_input, "PUT input ") \
@@ -76,7 +178,6 @@
#define rxrpc_peer_traces \
EM(rxrpc_peer_free, "FREE ") \
EM(rxrpc_peer_get_accept, "GET accept ") \
- EM(rxrpc_peer_get_activate_call, "GET act-call") \
EM(rxrpc_peer_get_bundle, "GET bundle ") \
EM(rxrpc_peer_get_client_conn, "GET cln-conn") \
EM(rxrpc_peer_get_input, "GET input ") \
@@ -89,7 +190,6 @@
EM(rxrpc_peer_put_bundle, "PUT bundle ") \
EM(rxrpc_peer_put_call, "PUT call ") \
EM(rxrpc_peer_put_conn, "PUT conn ") \
- EM(rxrpc_peer_put_discard_tmp, "PUT disc-tmp") \
EM(rxrpc_peer_put_input, "PUT input ") \
EM(rxrpc_peer_put_input_error, "PUT inpt-err") \
E_(rxrpc_peer_put_keepalive, "PUT keepaliv")
@@ -99,6 +199,7 @@
EM(rxrpc_bundle_get_client_call, "GET clt-call") \
EM(rxrpc_bundle_get_client_conn, "GET clt-conn") \
EM(rxrpc_bundle_get_service_conn, "GET svc-conn") \
+ EM(rxrpc_bundle_put_call, "PUT call ") \
EM(rxrpc_bundle_put_conn, "PUT conn ") \
EM(rxrpc_bundle_put_discard, "PUT discard ") \
E_(rxrpc_bundle_new, "NEW ")
@@ -109,14 +210,14 @@
EM(rxrpc_conn_get_call_input, "GET inp-call") \
EM(rxrpc_conn_get_conn_input, "GET inp-conn") \
EM(rxrpc_conn_get_idle, "GET idle ") \
- EM(rxrpc_conn_get_poke, "GET poke ") \
+ EM(rxrpc_conn_get_poke_abort, "GET pk-abort") \
+ EM(rxrpc_conn_get_poke_timer, "GET poke ") \
EM(rxrpc_conn_get_service_conn, "GET svc-conn") \
EM(rxrpc_conn_new_client, "NEW client ") \
EM(rxrpc_conn_new_service, "NEW service ") \
EM(rxrpc_conn_put_call, "PUT call ") \
EM(rxrpc_conn_put_call_input, "PUT inp-call") \
EM(rxrpc_conn_put_conn_input, "PUT inp-conn") \
- EM(rxrpc_conn_put_discard, "PUT discard ") \
EM(rxrpc_conn_put_discard_idle, "PUT disc-idl") \
EM(rxrpc_conn_put_local_dead, "PUT loc-dead") \
EM(rxrpc_conn_put_noreuse, "PUT noreuse ") \
@@ -124,10 +225,10 @@
EM(rxrpc_conn_put_service_reaped, "PUT svc-reap") \
EM(rxrpc_conn_put_unbundle, "PUT unbundle") \
EM(rxrpc_conn_put_unidle, "PUT unidle ") \
+ EM(rxrpc_conn_put_work, "PUT work ") \
EM(rxrpc_conn_queue_challenge, "QUE chall ") \
EM(rxrpc_conn_queue_retry_work, "QUE retry-wk") \
EM(rxrpc_conn_queue_rx_work, "QUE rx-work ") \
- EM(rxrpc_conn_queue_timer, "QUE timer ") \
EM(rxrpc_conn_see_new_service_conn, "SEE new-svc ") \
EM(rxrpc_conn_see_reap_service, "SEE reap-svc") \
E_(rxrpc_conn_see_work, "SEE work ")
@@ -138,16 +239,16 @@
EM(rxrpc_client_chan_activate, "ChActv") \
EM(rxrpc_client_chan_disconnect, "ChDisc") \
EM(rxrpc_client_chan_pass, "ChPass") \
- EM(rxrpc_client_chan_wait_failed, "ChWtFl") \
EM(rxrpc_client_cleanup, "Clean ") \
EM(rxrpc_client_discard, "Discar") \
- EM(rxrpc_client_duplicate, "Duplic") \
EM(rxrpc_client_exposed, "Expose") \
EM(rxrpc_client_replace, "Replac") \
+ EM(rxrpc_client_queue_new_call, "Q-Call") \
EM(rxrpc_client_to_active, "->Actv") \
E_(rxrpc_client_to_idle, "->Idle")
#define rxrpc_call_traces \
+ EM(rxrpc_call_get_io_thread, "GET iothread") \
EM(rxrpc_call_get_input, "GET input ") \
EM(rxrpc_call_get_kernel_service, "GET krnl-srv") \
EM(rxrpc_call_get_notify_socket, "GET notify ") \
@@ -160,6 +261,7 @@
EM(rxrpc_call_new_prealloc_service, "NEW prealloc") \
EM(rxrpc_call_put_discard_prealloc, "PUT disc-pre") \
EM(rxrpc_call_put_discard_error, "PUT disc-err") \
+ EM(rxrpc_call_put_io_thread, "PUT iothread") \
EM(rxrpc_call_put_input, "PUT input ") \
EM(rxrpc_call_put_kernel, "PUT kernel ") \
EM(rxrpc_call_put_poke, "PUT poke ") \
@@ -169,10 +271,12 @@
EM(rxrpc_call_put_sendmsg, "PUT sendmsg ") \
EM(rxrpc_call_put_unnotify, "PUT unnotify") \
EM(rxrpc_call_put_userid_exists, "PUT u-exists") \
+ EM(rxrpc_call_put_userid, "PUT user-id ") \
EM(rxrpc_call_see_accept, "SEE accept ") \
EM(rxrpc_call_see_activate_client, "SEE act-clnt") \
EM(rxrpc_call_see_connect_failed, "SEE con-fail") \
EM(rxrpc_call_see_connected, "SEE connect ") \
+ EM(rxrpc_call_see_disconnected, "SEE disconn ") \
EM(rxrpc_call_see_distribute_error, "SEE dist-err") \
EM(rxrpc_call_see_input, "SEE input ") \
EM(rxrpc_call_see_release, "SEE release ") \
@@ -376,6 +480,7 @@
#define EM(a, b) a,
#define E_(a, b) a
+enum rxrpc_abort_reason { rxrpc_abort_reasons } __mode(byte);
enum rxrpc_bundle_trace { rxrpc_bundle_traces } __mode(byte);
enum rxrpc_call_poke_trace { rxrpc_call_poke_traces } __mode(byte);
enum rxrpc_call_trace { rxrpc_call_traces } __mode(byte);
@@ -404,9 +509,13 @@ enum rxrpc_txqueue_trace { rxrpc_txqueue_traces } __mode(byte);
*/
#undef EM
#undef E_
+
+#ifndef RXRPC_TRACE_ONLY_DEFINE_ENUMS
+
#define EM(a, b) TRACE_DEFINE_ENUM(a);
#define E_(a, b) TRACE_DEFINE_ENUM(a);
+rxrpc_abort_reasons;
rxrpc_bundle_traces;
rxrpc_call_poke_traces;
rxrpc_call_traces;
@@ -657,14 +766,14 @@ TRACE_EVENT(rxrpc_rx_done,
);
TRACE_EVENT(rxrpc_abort,
- TP_PROTO(unsigned int call_nr, const char *why, u32 cid, u32 call_id,
- rxrpc_seq_t seq, int abort_code, int error),
+ TP_PROTO(unsigned int call_nr, enum rxrpc_abort_reason why,
+ u32 cid, u32 call_id, rxrpc_seq_t seq, int abort_code, int error),
TP_ARGS(call_nr, why, cid, call_id, seq, abort_code, error),
TP_STRUCT__entry(
__field(unsigned int, call_nr )
- __array(char, why, 4 )
+ __field(enum rxrpc_abort_reason, why )
__field(u32, cid )
__field(u32, call_id )
__field(rxrpc_seq_t, seq )
@@ -673,8 +782,8 @@ TRACE_EVENT(rxrpc_abort,
),
TP_fast_assign(
- memcpy(__entry->why, why, 4);
__entry->call_nr = call_nr;
+ __entry->why = why;
__entry->cid = cid;
__entry->call_id = call_id;
__entry->abort_code = abort_code;
@@ -685,7 +794,8 @@ TRACE_EVENT(rxrpc_abort,
TP_printk("c=%08x %08x:%08x s=%u a=%d e=%d %s",
__entry->call_nr,
__entry->cid, __entry->call_id, __entry->seq,
- __entry->abort_code, __entry->error, __entry->why)
+ __entry->abort_code, __entry->error,
+ __print_symbolic(__entry->why, rxrpc_abort_reasons))
);
TRACE_EVENT(rxrpc_call_complete,
@@ -1521,30 +1631,6 @@ TRACE_EVENT(rxrpc_improper_term,
__entry->abort_code)
);
-TRACE_EVENT(rxrpc_rx_eproto,
- TP_PROTO(struct rxrpc_call *call, rxrpc_serial_t serial,
- const char *why),
-
- TP_ARGS(call, serial, why),
-
- TP_STRUCT__entry(
- __field(unsigned int, call )
- __field(rxrpc_serial_t, serial )
- __field(const char *, why )
- ),
-
- TP_fast_assign(
- __entry->call = call ? call->debug_id : 0;
- __entry->serial = serial;
- __entry->why = why;
- ),
-
- TP_printk("c=%08x EPROTO %08x %s",
- __entry->call,
- __entry->serial,
- __entry->why)
- );
-
TRACE_EVENT(rxrpc_connect_call,
TP_PROTO(struct rxrpc_call *call),
@@ -1842,6 +1928,8 @@ TRACE_EVENT(rxrpc_call_poked,
#undef EM
#undef E_
+
+#endif /* RXRPC_TRACE_ONLY_DEFINE_ENUMS */
#endif /* _TRACE_RXRPC_H */
/* This part must be outside protection */
diff --git a/include/uapi/linux/psci.h b/include/uapi/linux/psci.h
index 3511095c2702..42a40ad3fb62 100644
--- a/include/uapi/linux/psci.h
+++ b/include/uapi/linux/psci.h
@@ -58,7 +58,7 @@
#define PSCI_1_1_FN_SYSTEM_RESET2 PSCI_0_2_FN(18)
#define PSCI_1_1_FN_MEM_PROTECT PSCI_0_2_FN(19)
-#define PSCI_1_1_FN_MEM_PROTECT_CHECK_RANGE PSCI_0_2_FN(19)
+#define PSCI_1_1_FN_MEM_PROTECT_CHECK_RANGE PSCI_0_2_FN(20)
#define PSCI_1_0_FN64_CPU_DEFAULT_SUSPEND PSCI_0_2_FN64(12)
#define PSCI_1_0_FN64_NODE_HW_STATE PSCI_0_2_FN64(13)
@@ -67,7 +67,7 @@
#define PSCI_1_0_FN64_STAT_COUNT PSCI_0_2_FN64(17)
#define PSCI_1_1_FN64_SYSTEM_RESET2 PSCI_0_2_FN64(18)
-#define PSCI_1_1_FN64_MEM_PROTECT_CHECK_RANGE PSCI_0_2_FN64(19)
+#define PSCI_1_1_FN64_MEM_PROTECT_CHECK_RANGE PSCI_0_2_FN64(20)
/* PSCI v0.2 power state encoding for CPU_SUSPEND function */
#define PSCI_0_2_POWER_STATE_ID_MASK 0xffff
diff --git a/include/xen/xenbus.h b/include/xen/xenbus.h
index eaa932b99d8a..ad4fb4eab753 100644
--- a/include/xen/xenbus.h
+++ b/include/xen/xenbus.h
@@ -117,7 +117,7 @@ struct xenbus_driver {
const struct xenbus_device_id *id);
void (*otherend_changed)(struct xenbus_device *dev,
enum xenbus_state backend_state);
- int (*remove)(struct xenbus_device *dev);
+ void (*remove)(struct xenbus_device *dev);
int (*suspend)(struct xenbus_device *dev);
int (*resume)(struct xenbus_device *dev);
int (*uevent)(struct xenbus_device *, struct kobj_uevent_env *);
diff --git a/init/Kconfig b/init/Kconfig
index 57c8d224ea4c..7ceabd320425 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -894,13 +894,17 @@ config CC_IMPLICIT_FALLTHROUGH
default "-Wimplicit-fallthrough=5" if CC_IS_GCC && $(cc-option,-Wimplicit-fallthrough=5)
default "-Wimplicit-fallthrough" if CC_IS_CLANG && $(cc-option,-Wunreachable-code-fallthrough)
-# Currently, disable gcc-12 array-bounds globally.
+# Currently, disable gcc-11,12 array-bounds globally.
# We may want to target only particular configurations some day.
+config GCC11_NO_ARRAY_BOUNDS
+ def_bool y
+
config GCC12_NO_ARRAY_BOUNDS
def_bool y
config CC_NO_ARRAY_BOUNDS
bool
+ default y if CC_IS_GCC && GCC_VERSION >= 110000 && GCC_VERSION < 120000 && GCC11_NO_ARRAY_BOUNDS
default y if CC_IS_GCC && GCC_VERSION >= 120000 && GCC_VERSION < 130000 && GCC12_NO_ARRAY_BOUNDS
#
diff --git a/init/Makefile b/init/Makefile
index 8316c23bead2..26de459006c4 100644
--- a/init/Makefile
+++ b/init/Makefile
@@ -59,3 +59,4 @@ include/generated/utsversion.h: FORCE
$(obj)/version-timestamp.o: include/generated/utsversion.h
CFLAGS_version-timestamp.o := -include include/generated/utsversion.h
+KASAN_SANITIZE_version-timestamp.o := n
diff --git a/io_uring/fdinfo.c b/io_uring/fdinfo.c
index 2e04850a657b..882bd56b01ed 100644
--- a/io_uring/fdinfo.c
+++ b/io_uring/fdinfo.c
@@ -170,12 +170,11 @@ static __cold void __io_uring_show_fdinfo(struct io_ring_ctx *ctx,
xa_for_each(&ctx->personalities, index, cred)
io_uring_show_cred(m, index, cred);
}
- if (has_lock)
- mutex_unlock(&ctx->uring_lock);
seq_puts(m, "PollList:\n");
for (i = 0; i < (1U << ctx->cancel_table.hash_bits); i++) {
struct io_hash_bucket *hb = &ctx->cancel_table.hbs[i];
+ struct io_hash_bucket *hbl = &ctx->cancel_table_locked.hbs[i];
struct io_kiocb *req;
spin_lock(&hb->lock);
@@ -183,8 +182,17 @@ static __cold void __io_uring_show_fdinfo(struct io_ring_ctx *ctx,
seq_printf(m, " op=%d, task_works=%d\n", req->opcode,
task_work_pending(req->task));
spin_unlock(&hb->lock);
+
+ if (!has_lock)
+ continue;
+ hlist_for_each_entry(req, &hbl->list, hash_node)
+ seq_printf(m, " op=%d, task_works=%d\n", req->opcode,
+ task_work_pending(req->task));
}
+ if (has_lock)
+ mutex_unlock(&ctx->uring_lock);
+
seq_puts(m, "CqOverflowList:\n");
spin_lock(&ctx->completion_lock);
list_for_each_entry(ocqe, &ctx->cq_overflow_list, list) {
diff --git a/io_uring/io-wq.c b/io_uring/io-wq.c
index 992dcd9f8c4c..411bb2d1acd4 100644
--- a/io_uring/io-wq.c
+++ b/io_uring/io-wq.c
@@ -1230,7 +1230,12 @@ static void io_wq_cancel_tw_create(struct io_wq *wq)
worker = container_of(cb, struct io_worker, create_work);
io_worker_cancel_cb(worker);
- kfree(worker);
+ /*
+ * Only the worker continuation helper has worker allocated and
+ * hence needs freeing.
+ */
+ if (cb->func == create_worker_cont)
+ kfree(worker);
}
}
diff --git a/io_uring/poll.c b/io_uring/poll.c
index ee7da6150ec4..32e5fc8365e6 100644
--- a/io_uring/poll.c
+++ b/io_uring/poll.c
@@ -223,21 +223,22 @@ enum {
IOU_POLL_DONE = 0,
IOU_POLL_NO_ACTION = 1,
IOU_POLL_REMOVE_POLL_USE_RES = 2,
+ IOU_POLL_REISSUE = 3,
};
/*
* All poll tw should go through this. Checks for poll events, manages
* references, does rewait, etc.
*
- * Returns a negative error on failure. IOU_POLL_NO_ACTION when no action require,
- * which is either spurious wakeup or multishot CQE is served.
- * IOU_POLL_DONE when it's done with the request, then the mask is stored in req->cqe.res.
- * IOU_POLL_REMOVE_POLL_USE_RES indicates to remove multishot poll and that the result
- * is stored in req->cqe.
+ * Returns a negative error on failure. IOU_POLL_NO_ACTION when no action
+ * require, which is either spurious wakeup or multishot CQE is served.
+ * IOU_POLL_DONE when it's done with the request, then the mask is stored in
+ * req->cqe.res. IOU_POLL_REMOVE_POLL_USE_RES indicates to remove multishot
+ * poll and that the result is stored in req->cqe.
*/
static int io_poll_check_events(struct io_kiocb *req, bool *locked)
{
- int v, ret;
+ int v;
/* req->task == current here, checking PF_EXITING is safe */
if (unlikely(req->task->flags & PF_EXITING))
@@ -276,10 +277,15 @@ static int io_poll_check_events(struct io_kiocb *req, bool *locked)
if (!req->cqe.res) {
struct poll_table_struct pt = { ._key = req->apoll_events };
req->cqe.res = vfs_poll(req->file, &pt) & req->apoll_events;
+ /*
+ * We got woken with a mask, but someone else got to
+ * it first. The above vfs_poll() doesn't add us back
+ * to the waitqueue, so if we get nothing back, we
+ * should be safe and attempt a reissue.
+ */
+ if (unlikely(!req->cqe.res))
+ return IOU_POLL_REISSUE;
}
-
- if ((unlikely(!req->cqe.res)))
- continue;
if (req->apoll_events & EPOLLONESHOT)
return IOU_POLL_DONE;
@@ -294,7 +300,7 @@ static int io_poll_check_events(struct io_kiocb *req, bool *locked)
return IOU_POLL_REMOVE_POLL_USE_RES;
}
} else {
- ret = io_poll_issue(req, locked);
+ int ret = io_poll_issue(req, locked);
if (ret == IOU_STOP_MULTISHOT)
return IOU_POLL_REMOVE_POLL_USE_RES;
if (ret < 0)
@@ -330,6 +336,9 @@ static void io_poll_task_func(struct io_kiocb *req, bool *locked)
poll = io_kiocb_to_cmd(req, struct io_poll);
req->cqe.res = mangle_poll(req->cqe.res & poll->events);
+ } else if (ret == IOU_POLL_REISSUE) {
+ io_req_task_submit(req, locked);
+ return;
} else if (ret != IOU_POLL_REMOVE_POLL_USE_RES) {
req->cqe.res = ret;
req_set_fail(req);
@@ -342,7 +351,7 @@ static void io_poll_task_func(struct io_kiocb *req, bool *locked)
if (ret == IOU_POLL_REMOVE_POLL_USE_RES)
io_req_task_complete(req, locked);
- else if (ret == IOU_POLL_DONE)
+ else if (ret == IOU_POLL_DONE || ret == IOU_POLL_REISSUE)
io_req_task_submit(req, locked);
else
io_req_defer_failed(req, ret);
@@ -533,6 +542,14 @@ static bool io_poll_can_finish_inline(struct io_kiocb *req,
return pt->owning || io_poll_get_ownership(req);
}
+static void io_poll_add_hash(struct io_kiocb *req)
+{
+ if (req->flags & REQ_F_HASH_LOCKED)
+ io_poll_req_insert_locked(req);
+ else
+ io_poll_req_insert(req);
+}
+
/*
* Returns 0 when it's handed over for polling. The caller owns the requests if
* it returns non-zero, but otherwise should not touch it. Negative values
@@ -591,18 +608,17 @@ static int __io_arm_poll_handler(struct io_kiocb *req,
if (mask &&
((poll->events & (EPOLLET|EPOLLONESHOT)) == (EPOLLET|EPOLLONESHOT))) {
- if (!io_poll_can_finish_inline(req, ipt))
+ if (!io_poll_can_finish_inline(req, ipt)) {
+ io_poll_add_hash(req);
return 0;
+ }
io_poll_remove_entries(req);
ipt->result_mask = mask;
/* no one else has access to the req, forget about the ref */
return 1;
}
- if (req->flags & REQ_F_HASH_LOCKED)
- io_poll_req_insert_locked(req);
- else
- io_poll_req_insert(req);
+ io_poll_add_hash(req);
if (mask && (poll->events & EPOLLET) &&
io_poll_can_finish_inline(req, ipt)) {
diff --git a/io_uring/rw.c b/io_uring/rw.c
index 8227af2e1c0f..9c3ddd46a1ad 100644
--- a/io_uring/rw.c
+++ b/io_uring/rw.c
@@ -1062,7 +1062,11 @@ int io_do_iopoll(struct io_ring_ctx *ctx, bool force_nonspin)
continue;
req->cqe.flags = io_put_kbuf(req, 0);
- io_fill_cqe_req(req->ctx, req);
+ if (unlikely(!__io_fill_cqe_req(ctx, req))) {
+ spin_lock(&ctx->completion_lock);
+ io_req_cqe_overflow(req);
+ spin_unlock(&ctx->completion_lock);
+ }
}
if (unlikely(!nr_events))
diff --git a/kernel/kallsyms_selftest.c b/kernel/kallsyms_selftest.c
index f35d9cc1aab1..bfbc12da3326 100644
--- a/kernel/kallsyms_selftest.c
+++ b/kernel/kallsyms_selftest.c
@@ -157,14 +157,11 @@ static void test_kallsyms_compression_ratio(void)
static int lookup_name(void *data, const char *name, struct module *mod, unsigned long addr)
{
u64 t0, t1, t;
- unsigned long flags;
struct test_stat *stat = (struct test_stat *)data;
- local_irq_save(flags);
- t0 = sched_clock();
+ t0 = ktime_get_ns();
(void)kallsyms_lookup_name(name);
- t1 = sched_clock();
- local_irq_restore(flags);
+ t1 = ktime_get_ns();
t = t1 - t0;
if (t < stat->min)
@@ -234,18 +231,15 @@ static int find_symbol(void *data, const char *name, struct module *mod, unsigne
static void test_perf_kallsyms_on_each_symbol(void)
{
u64 t0, t1;
- unsigned long flags;
struct test_stat stat;
memset(&stat, 0, sizeof(stat));
stat.max = INT_MAX;
stat.name = stub_name;
stat.perf = 1;
- local_irq_save(flags);
- t0 = sched_clock();
+ t0 = ktime_get_ns();
kallsyms_on_each_symbol(find_symbol, &stat);
- t1 = sched_clock();
- local_irq_restore(flags);
+ t1 = ktime_get_ns();
pr_info("kallsyms_on_each_symbol() traverse all: %lld ns\n", t1 - t0);
}
@@ -270,17 +264,14 @@ static int match_symbol(void *data, unsigned long addr)
static void test_perf_kallsyms_on_each_match_symbol(void)
{
u64 t0, t1;
- unsigned long flags;
struct test_stat stat;
memset(&stat, 0, sizeof(stat));
stat.max = INT_MAX;
stat.name = stub_name;
- local_irq_save(flags);
- t0 = sched_clock();
+ t0 = ktime_get_ns();
kallsyms_on_each_match_symbol(match_symbol, stat.name, &stat);
- t1 = sched_clock();
- local_irq_restore(flags);
+ t1 = ktime_get_ns();
pr_info("kallsyms_on_each_match_symbol() traverse all: %lld ns\n", t1 - t0);
}
diff --git a/kernel/kcsan/kcsan_test.c b/kernel/kcsan/kcsan_test.c
index dcec1b743c69..a60c561724be 100644
--- a/kernel/kcsan/kcsan_test.c
+++ b/kernel/kcsan/kcsan_test.c
@@ -159,7 +159,7 @@ static bool __report_matches(const struct expect_report *r)
const bool is_assert = (r->access[0].type | r->access[1].type) & KCSAN_ACCESS_ASSERT;
bool ret = false;
unsigned long flags;
- typeof(observed.lines) expect;
+ typeof(*observed.lines) *expect;
const char *end;
char *cur;
int i;
@@ -168,6 +168,10 @@ static bool __report_matches(const struct expect_report *r)
if (!report_available())
return false;
+ expect = kmalloc(sizeof(observed.lines), GFP_KERNEL);
+ if (WARN_ON(!expect))
+ return false;
+
/* Generate expected report contents. */
/* Title */
@@ -253,6 +257,7 @@ static bool __report_matches(const struct expect_report *r)
strstr(observed.lines[2], expect[1])));
out:
spin_unlock_irqrestore(&observed.lock, flags);
+ kfree(expect);
return ret;
}
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 25b582b6ee5f..bb1ee6d7bdde 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -2604,27 +2604,71 @@ void do_set_cpus_allowed(struct task_struct *p, const struct cpumask *new_mask)
.user_mask = NULL,
.flags = SCA_USER, /* clear the user requested mask */
};
+ union cpumask_rcuhead {
+ cpumask_t cpumask;
+ struct rcu_head rcu;
+ };
__do_set_cpus_allowed(p, &ac);
- kfree(ac.user_mask);
+
+ /*
+ * Because this is called with p->pi_lock held, it is not possible
+ * to use kfree() here (when PREEMPT_RT=y), therefore punt to using
+ * kfree_rcu().
+ */
+ kfree_rcu((union cpumask_rcuhead *)ac.user_mask, rcu);
+}
+
+static cpumask_t *alloc_user_cpus_ptr(int node)
+{
+ /*
+ * See do_set_cpus_allowed() above for the rcu_head usage.
+ */
+ int size = max_t(int, cpumask_size(), sizeof(struct rcu_head));
+
+ return kmalloc_node(size, GFP_KERNEL, node);
}
int dup_user_cpus_ptr(struct task_struct *dst, struct task_struct *src,
int node)
{
+ cpumask_t *user_mask;
unsigned long flags;
- if (!src->user_cpus_ptr)
+ /*
+ * Always clear dst->user_cpus_ptr first as their user_cpus_ptr's
+ * may differ by now due to racing.
+ */
+ dst->user_cpus_ptr = NULL;
+
+ /*
+ * This check is racy and losing the race is a valid situation.
+ * It is not worth the extra overhead of taking the pi_lock on
+ * every fork/clone.
+ */
+ if (data_race(!src->user_cpus_ptr))
return 0;
- dst->user_cpus_ptr = kmalloc_node(cpumask_size(), GFP_KERNEL, node);
- if (!dst->user_cpus_ptr)
+ user_mask = alloc_user_cpus_ptr(node);
+ if (!user_mask)
return -ENOMEM;
- /* Use pi_lock to protect content of user_cpus_ptr */
+ /*
+ * Use pi_lock to protect content of user_cpus_ptr
+ *
+ * Though unlikely, user_cpus_ptr can be reset to NULL by a concurrent
+ * do_set_cpus_allowed().
+ */
raw_spin_lock_irqsave(&src->pi_lock, flags);
- cpumask_copy(dst->user_cpus_ptr, src->user_cpus_ptr);
+ if (src->user_cpus_ptr) {
+ swap(dst->user_cpus_ptr, user_mask);
+ cpumask_copy(dst->user_cpus_ptr, src->user_cpus_ptr);
+ }
raw_spin_unlock_irqrestore(&src->pi_lock, flags);
+
+ if (unlikely(user_mask))
+ kfree(user_mask);
+
return 0;
}
@@ -3581,6 +3625,11 @@ static inline bool rq_has_pinned_tasks(struct rq *rq)
return false;
}
+static inline cpumask_t *alloc_user_cpus_ptr(int node)
+{
+ return NULL;
+}
+
#endif /* !CONFIG_SMP */
static void
@@ -5504,7 +5553,9 @@ void scheduler_tick(void)
unsigned long thermal_pressure;
u64 resched_latency;
- arch_scale_freq_tick();
+ if (housekeeping_cpu(cpu, HK_TYPE_TICK))
+ arch_scale_freq_tick();
+
sched_clock_tick();
rq_lock(rq, &rf);
@@ -8239,8 +8290,8 @@ long sched_setaffinity(pid_t pid, const struct cpumask *in_mask)
if (retval)
goto out_put_task;
- user_mask = kmalloc(cpumask_size(), GFP_KERNEL);
- if (!user_mask) {
+ user_mask = alloc_user_cpus_ptr(NUMA_NO_NODE);
+ if (IS_ENABLED(CONFIG_SMP) && !user_mask) {
retval = -ENOMEM;
goto out_put_task;
}
diff --git a/kernel/time/tick-oneshot.c b/kernel/time/tick-oneshot.c
index 475ecceda768..5e2c2c26b3cc 100644
--- a/kernel/time/tick-oneshot.c
+++ b/kernel/time/tick-oneshot.c
@@ -18,7 +18,7 @@
#include "tick-internal.h"
/**
- * tick_program_event
+ * tick_program_event - program the CPU local timer device for the next event
*/
int tick_program_event(ktime_t expires, int force)
{
@@ -99,7 +99,7 @@ int tick_switch_to_oneshot(void (*handler)(struct clock_event_device *))
}
/**
- * tick_check_oneshot_mode - check whether the system is in oneshot mode
+ * tick_oneshot_mode_active - check whether the system is in oneshot mode
*
* returns 1 when either nohz or highres are enabled. otherwise 0.
*/
diff --git a/kernel/time/time.c b/kernel/time/time.c
index 526257b3727c..f4198af60fee 100644
--- a/kernel/time/time.c
+++ b/kernel/time/time.c
@@ -462,7 +462,7 @@ struct __kernel_old_timeval ns_to_kernel_old_timeval(s64 nsec)
EXPORT_SYMBOL(ns_to_kernel_old_timeval);
/**
- * set_normalized_timespec - set timespec sec and nsec parts and normalize
+ * set_normalized_timespec64 - set timespec sec and nsec parts and normalize
*
* @ts: pointer to timespec variable to be set
* @sec: seconds to set
@@ -526,7 +526,7 @@ struct timespec64 ns_to_timespec64(s64 nsec)
EXPORT_SYMBOL(ns_to_timespec64);
/**
- * msecs_to_jiffies: - convert milliseconds to jiffies
+ * __msecs_to_jiffies: - convert milliseconds to jiffies
* @m: time in milliseconds
*
* conversion is done as follows:
@@ -541,12 +541,12 @@ EXPORT_SYMBOL(ns_to_timespec64);
* handling any 32-bit overflows.
* for the details see __msecs_to_jiffies()
*
- * msecs_to_jiffies() checks for the passed in value being a constant
+ * __msecs_to_jiffies() checks for the passed in value being a constant
* via __builtin_constant_p() allowing gcc to eliminate most of the
* code, __msecs_to_jiffies() is called if the value passed does not
* allow constant folding and the actual conversion must be done at
* runtime.
- * the _msecs_to_jiffies helpers are the HZ dependent conversion
+ * The _msecs_to_jiffies helpers are the HZ dependent conversion
* routines found in include/linux/jiffies.h
*/
unsigned long __msecs_to_jiffies(const unsigned int m)
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index f72b9f1de178..5579ead449f2 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -1590,10 +1590,10 @@ void __weak read_persistent_clock64(struct timespec64 *ts)
/**
* read_persistent_wall_and_boot_offset - Read persistent clock, and also offset
* from the boot.
+ * @wall_time: current time as returned by persistent clock
+ * @boot_offset: offset that is defined as wall_time - boot_time
*
* Weak dummy function for arches that do not yet support it.
- * @wall_time: - current time as returned by persistent clock
- * @boot_offset: - offset that is defined as wall_time - boot_time
*
* The default function calculates offset based on the current value of
* local_clock(). This way architectures that support sched_clock() but don't
@@ -1701,7 +1701,7 @@ static void __timekeeping_inject_sleeptime(struct timekeeper *tk,
}
#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_RTC_HCTOSYS_DEVICE)
-/**
+/*
* We have three kinds of time sources to use for sleep time
* injection, the preference order is:
* 1) non-stop clocksource
@@ -1722,7 +1722,7 @@ bool timekeeping_rtc_skipresume(void)
return !suspend_timing_needed;
}
-/**
+/*
* 1) can be determined whether to use or not only when doing
* timekeeping_resume() which is invoked after rtc_suspend(),
* so we can't skip rtc_suspend() surely if system has 1).
diff --git a/lib/lockref.c b/lib/lockref.c
index 45e93ece8ba0..2afe4c5d8919 100644
--- a/lib/lockref.c
+++ b/lib/lockref.c
@@ -23,7 +23,6 @@
} \
if (!--retry) \
break; \
- cpu_relax(); \
} \
} while (0)
diff --git a/mm/memblock.c b/mm/memblock.c
index d036c7861310..685e30e6d27c 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -1640,7 +1640,13 @@ void __init memblock_free_late(phys_addr_t base, phys_addr_t size)
end = PFN_DOWN(base + size);
for (; cursor < end; cursor++) {
- memblock_free_pages(pfn_to_page(cursor), cursor, 0);
+ /*
+ * Reserved pages are always initialized by the end of
+ * memblock_free_all() (by memmap_init() and, if deferred
+ * initialization is enabled, memmap_init_reserved_pages()), so
+ * these pages can be released directly to the buddy allocator.
+ */
+ __free_pages_core(pfn_to_page(cursor), 0);
totalram_pages_inc();
}
}
diff --git a/net/9p/trans_xen.c b/net/9p/trans_xen.c
index 9630b1275557..82c7005ede65 100644
--- a/net/9p/trans_xen.c
+++ b/net/9p/trans_xen.c
@@ -305,13 +305,12 @@ static void xen_9pfs_front_free(struct xen_9pfs_front_priv *priv)
kfree(priv);
}
-static int xen_9pfs_front_remove(struct xenbus_device *dev)
+static void xen_9pfs_front_remove(struct xenbus_device *dev)
{
struct xen_9pfs_front_priv *priv = dev_get_drvdata(&dev->dev);
dev_set_drvdata(&dev->dev, NULL);
xen_9pfs_front_free(priv);
- return 0;
}
static int xen_9pfs_front_alloc_dataring(struct xenbus_device *dev,
diff --git a/net/core/gro.c b/net/core/gro.c
index fd8c6a7e8d3e..506f83d715f8 100644
--- a/net/core/gro.c
+++ b/net/core/gro.c
@@ -505,8 +505,9 @@ found_ptype:
NAPI_GRO_CB(skb)->count = 1;
if (unlikely(skb_is_gso(skb))) {
NAPI_GRO_CB(skb)->count = skb_shinfo(skb)->gso_segs;
- /* Only support TCP at the moment. */
- if (!skb_is_gso_tcp(skb))
+ /* Only support TCP and non DODGY users. */
+ if (!skb_is_gso_tcp(skb) ||
+ (skb_shinfo(skb)->gso_type & SKB_GSO_DODGY))
NAPI_GRO_CB(skb)->flush = 1;
}
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index a06a9f847db5..ada087b50541 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -505,6 +505,7 @@ csum_copy_err:
static int rawv6_push_pending_frames(struct sock *sk, struct flowi6 *fl6,
struct raw6_sock *rp)
{
+ struct ipv6_txoptions *opt;
struct sk_buff *skb;
int err = 0;
int offset;
@@ -522,6 +523,9 @@ static int rawv6_push_pending_frames(struct sock *sk, struct flowi6 *fl6,
offset = rp->offset;
total_len = inet_sk(sk)->cork.base.length;
+ opt = inet6_sk(sk)->cork.opt;
+ total_len -= opt ? opt->opt_flen : 0;
+
if (offset >= total_len - 1) {
err = -EINVAL;
ip6_flush_pending_frames(sk);
diff --git a/net/rxrpc/Makefile b/net/rxrpc/Makefile
index e76d3459d78e..ac5caf5a48e1 100644
--- a/net/rxrpc/Makefile
+++ b/net/rxrpc/Makefile
@@ -10,6 +10,7 @@ rxrpc-y := \
call_accept.o \
call_event.o \
call_object.o \
+ call_state.o \
conn_client.o \
conn_event.o \
conn_object.o \
diff --git a/net/rxrpc/af_rxrpc.c b/net/rxrpc/af_rxrpc.c
index 7ea576f6ba4b..ebbd4a1c3f86 100644
--- a/net/rxrpc/af_rxrpc.c
+++ b/net/rxrpc/af_rxrpc.c
@@ -155,10 +155,10 @@ static int rxrpc_bind(struct socket *sock, struct sockaddr *saddr, int len)
if (service_id) {
write_lock(&local->services_lock);
- if (rcu_access_pointer(local->service))
+ if (local->service)
goto service_in_use;
rx->local = local;
- rcu_assign_pointer(local->service, rx);
+ local->service = rx;
write_unlock(&local->services_lock);
rx->sk.sk_state = RXRPC_SERVER_BOUND;
@@ -328,7 +328,6 @@ struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *sock,
mutex_unlock(&call->user_mutex);
}
- rxrpc_put_peer(cp.peer, rxrpc_peer_put_discard_tmp);
_leave(" = %p", call);
return call;
}
@@ -374,13 +373,17 @@ EXPORT_SYMBOL(rxrpc_kernel_end_call);
* @sock: The socket the call is on
* @call: The call to check
*
- * Allow a kernel service to find out whether a call is still alive -
- * ie. whether it has completed.
+ * Allow a kernel service to find out whether a call is still alive - whether
+ * it has completed successfully and all received data has been consumed.
*/
bool rxrpc_kernel_check_life(const struct socket *sock,
const struct rxrpc_call *call)
{
- return call->state != RXRPC_CALL_COMPLETE;
+ if (!rxrpc_call_is_complete(call))
+ return true;
+ if (call->completion != RXRPC_CALL_SUCCEEDED)
+ return false;
+ return !skb_queue_empty(&call->recvmsg_queue);
}
EXPORT_SYMBOL(rxrpc_kernel_check_life);
@@ -872,9 +875,9 @@ static int rxrpc_release_sock(struct sock *sk)
sk->sk_state = RXRPC_CLOSE;
- if (rx->local && rcu_access_pointer(rx->local->service) == rx) {
+ if (rx->local && rx->local->service == rx) {
write_lock(&rx->local->services_lock);
- rcu_assign_pointer(rx->local->service, NULL);
+ rx->local->service = NULL;
write_unlock(&rx->local->services_lock);
}
@@ -957,16 +960,9 @@ static const struct net_proto_family rxrpc_family_ops = {
static int __init af_rxrpc_init(void)
{
int ret = -1;
- unsigned int tmp;
BUILD_BUG_ON(sizeof(struct rxrpc_skb_priv) > sizeof_field(struct sk_buff, cb));
- get_random_bytes(&tmp, sizeof(tmp));
- tmp &= 0x3fffffff;
- if (tmp == 0)
- tmp = 1;
- idr_set_cursor(&rxrpc_client_conn_ids, tmp);
-
ret = -ENOMEM;
rxrpc_call_jar = kmem_cache_create(
"rxrpc_call_jar", sizeof(struct rxrpc_call), 0,
@@ -1062,7 +1058,6 @@ static void __exit af_rxrpc_exit(void)
* are released.
*/
rcu_barrier();
- rxrpc_destroy_client_conn_ids();
destroy_workqueue(rxrpc_workqueue);
rxrpc_exit_security();
diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h
index 18092526d3c8..433060cade03 100644
--- a/net/rxrpc/ar-internal.h
+++ b/net/rxrpc/ar-internal.h
@@ -38,6 +38,7 @@ struct rxrpc_txbuf;
enum rxrpc_skb_mark {
RXRPC_SKB_MARK_PACKET, /* Received packet */
RXRPC_SKB_MARK_ERROR, /* Error notification */
+ RXRPC_SKB_MARK_SERVICE_CONN_SECURED, /* Service connection response has been verified */
RXRPC_SKB_MARK_REJECT_BUSY, /* Reject with BUSY */
RXRPC_SKB_MARK_REJECT_ABORT, /* Reject with ABORT (code in skb->priority) */
};
@@ -75,13 +76,7 @@ struct rxrpc_net {
bool live;
- bool kill_all_client_conns;
atomic_t nr_client_conns;
- spinlock_t client_conn_cache_lock; /* Lock for ->*_client_conns */
- struct mutex client_conn_discard_lock; /* Prevent multiple discarders */
- struct list_head idle_client_conns;
- struct work_struct client_conn_reaper;
- struct timer_list client_conn_reap_timer;
struct hlist_head local_endpoints;
struct mutex local_mutex; /* Lock for ->local_endpoints */
@@ -202,6 +197,7 @@ struct rxrpc_host_header {
* - max 48 bytes (struct sk_buff::cb)
*/
struct rxrpc_skb_priv {
+ struct rxrpc_connection *conn; /* Connection referred to (poke packet) */
u16 offset; /* Offset of data */
u16 len; /* Length of data */
u8 flags;
@@ -262,13 +258,11 @@ struct rxrpc_security {
/* respond to a challenge */
int (*respond_to_challenge)(struct rxrpc_connection *,
- struct sk_buff *,
- u32 *);
+ struct sk_buff *);
/* verify a response */
int (*verify_response)(struct rxrpc_connection *,
- struct sk_buff *,
- u32 *);
+ struct sk_buff *);
/* clear connection security */
void (*clear)(struct rxrpc_connection *);
@@ -283,22 +277,34 @@ struct rxrpc_local {
struct rcu_head rcu;
atomic_t active_users; /* Number of users of the local endpoint */
refcount_t ref; /* Number of references to the structure */
- struct rxrpc_net *rxnet; /* The network ns in which this resides */
+ struct net *net; /* The network namespace */
+ struct rxrpc_net *rxnet; /* Our bits in the network namespace */
struct hlist_node link;
struct socket *socket; /* my UDP socket */
struct task_struct *io_thread;
struct completion io_thread_ready; /* Indication that the I/O thread started */
- struct rxrpc_sock __rcu *service; /* Service(s) listening on this endpoint */
+ struct rxrpc_sock *service; /* Service(s) listening on this endpoint */
struct rw_semaphore defrag_sem; /* control re-enablement of IP DF bit */
struct sk_buff_head rx_queue; /* Received packets */
+ struct list_head conn_attend_q; /* Conns requiring immediate attention */
struct list_head call_attend_q; /* Calls requiring immediate attention */
+
struct rb_root client_bundles; /* Client connection bundles by socket params */
spinlock_t client_bundles_lock; /* Lock for client_bundles */
+ bool kill_all_client_conns;
+ struct list_head idle_client_conns;
+ struct timer_list client_conn_reap_timer;
+ unsigned long client_conn_flags;
+#define RXRPC_CLIENT_CONN_REAP_TIMER 0 /* The client conn reap timer expired */
+
spinlock_t lock; /* access lock */
rwlock_t services_lock; /* lock for services list */
int debug_id; /* debug ID for printks */
bool dead;
bool service_closed; /* Service socket closed */
+ struct idr conn_ids; /* List of connection IDs */
+ struct list_head new_client_calls; /* Newly created client calls need connection */
+ spinlock_t client_call_lock; /* Lock for ->new_client_calls */
struct sockaddr_rxrpc srx; /* local address */
};
@@ -356,7 +362,6 @@ struct rxrpc_conn_proto {
struct rxrpc_conn_parameters {
struct rxrpc_local *local; /* Representation of local endpoint */
- struct rxrpc_peer *peer; /* Remote endpoint */
struct key *key; /* Security details */
bool exclusive; /* T if conn is exclusive */
bool upgrade; /* T if service ID can be upgraded */
@@ -365,10 +370,21 @@ struct rxrpc_conn_parameters {
};
/*
+ * Call completion condition (state == RXRPC_CALL_COMPLETE).
+ */
+enum rxrpc_call_completion {
+ RXRPC_CALL_SUCCEEDED, /* - Normal termination */
+ RXRPC_CALL_REMOTELY_ABORTED, /* - call aborted by peer */
+ RXRPC_CALL_LOCALLY_ABORTED, /* - call aborted locally on error or close */
+ RXRPC_CALL_LOCAL_ERROR, /* - call failed due to local error */
+ RXRPC_CALL_NETWORK_ERROR, /* - call terminated by network error */
+ NR__RXRPC_CALL_COMPLETIONS
+};
+
+/*
* Bits in the connection flags.
*/
enum rxrpc_conn_flag {
- RXRPC_CONN_HAS_IDR, /* Has a client conn ID assigned */
RXRPC_CONN_IN_SERVICE_CONNS, /* Conn is in peer->service_conns */
RXRPC_CONN_DONT_REUSE, /* Don't reuse this connection */
RXRPC_CONN_PROBING_FOR_UPGRADE, /* Probing for service upgrade */
@@ -388,6 +404,7 @@ enum rxrpc_conn_flag {
*/
enum rxrpc_conn_event {
RXRPC_CONN_EV_CHALLENGE, /* Send challenge packet */
+ RXRPC_CONN_EV_ABORT_CALLS, /* Abort attached calls */
};
/*
@@ -395,13 +412,13 @@ enum rxrpc_conn_event {
*/
enum rxrpc_conn_proto_state {
RXRPC_CONN_UNUSED, /* Connection not yet attempted */
+ RXRPC_CONN_CLIENT_UNSECURED, /* Client connection needs security init */
RXRPC_CONN_CLIENT, /* Client connection */
RXRPC_CONN_SERVICE_PREALLOC, /* Service connection preallocation */
RXRPC_CONN_SERVICE_UNSECURED, /* Service unsecured connection */
RXRPC_CONN_SERVICE_CHALLENGING, /* Service challenging for security */
RXRPC_CONN_SERVICE, /* Service secured connection */
- RXRPC_CONN_REMOTELY_ABORTED, /* Conn aborted by peer */
- RXRPC_CONN_LOCALLY_ABORTED, /* Conn aborted locally */
+ RXRPC_CONN_ABORTED, /* Conn aborted */
RXRPC_CONN__NR_STATES
};
@@ -412,17 +429,16 @@ struct rxrpc_bundle {
struct rxrpc_local *local; /* Representation of local endpoint */
struct rxrpc_peer *peer; /* Remote endpoint */
struct key *key; /* Security details */
+ const struct rxrpc_security *security; /* applied security module */
refcount_t ref;
atomic_t active; /* Number of active users */
unsigned int debug_id;
u32 security_level; /* Security level selected */
u16 service_id; /* Service ID for this connection */
bool try_upgrade; /* True if the bundle is attempting upgrade */
- bool alloc_conn; /* True if someone's getting a conn */
bool exclusive; /* T if conn is exclusive */
bool upgrade; /* T if service ID can be upgraded */
- short alloc_error; /* Error from last conn allocation */
- spinlock_t channel_lock;
+ unsigned short alloc_error; /* Error from last conn allocation */
struct rb_node local_node; /* Node in local->client_conns */
struct list_head waiting_calls; /* Calls waiting for channels */
unsigned long avail_chans; /* Mask of available channels */
@@ -440,6 +456,7 @@ struct rxrpc_connection {
struct rxrpc_peer *peer; /* Remote endpoint */
struct rxrpc_net *rxnet; /* Network namespace to which call belongs */
struct key *key; /* Security details */
+ struct list_head attend_link; /* Link in local->conn_attend_q */
refcount_t ref;
atomic_t active; /* Active count for service conns */
@@ -449,7 +466,7 @@ struct rxrpc_connection {
unsigned char act_chans; /* Mask of active channels */
struct rxrpc_channel {
unsigned long final_ack_at; /* Time at which to issue final ACK */
- struct rxrpc_call __rcu *call; /* Active call */
+ struct rxrpc_call *call; /* Active call */
unsigned int call_debug_id; /* call->debug_id */
u32 call_id; /* ID of current call */
u32 call_counter; /* Call ID counter */
@@ -470,6 +487,7 @@ struct rxrpc_connection {
struct list_head link; /* link in master connection list */
struct sk_buff_head rx_queue; /* received conn-level packets */
+ struct mutex security_lock; /* Lock for security management */
const struct rxrpc_security *security; /* applied security module */
union {
struct {
@@ -483,7 +501,8 @@ struct rxrpc_connection {
unsigned long idle_timestamp; /* Time at which last became idle */
spinlock_t state_lock; /* state-change lock */
enum rxrpc_conn_proto_state state; /* current state of connection */
- u32 abort_code; /* Abort code of connection abort */
+ enum rxrpc_call_completion completion; /* Completion condition */
+ s32 abort_code; /* Abort code of connection abort */
int debug_id; /* debug ID for printks */
atomic_t serial; /* packet serial number counter */
unsigned int hi_serial; /* highest serial number received */
@@ -527,7 +546,8 @@ enum rxrpc_call_flag {
RXRPC_CALL_KERNEL, /* The call was made by the kernel */
RXRPC_CALL_UPGRADE, /* Service upgrade was requested for the call */
RXRPC_CALL_EXCLUSIVE, /* The call uses a once-only connection */
- RXRPC_CALL_RX_IS_IDLE, /* Reception is idle - send an ACK */
+ RXRPC_CALL_RX_IS_IDLE, /* recvmsg() is idle - send an ACK */
+ RXRPC_CALL_RECVMSG_READ_ALL, /* recvmsg() read all of the received data */
};
/*
@@ -558,18 +578,6 @@ enum rxrpc_call_state {
};
/*
- * Call completion condition (state == RXRPC_CALL_COMPLETE).
- */
-enum rxrpc_call_completion {
- RXRPC_CALL_SUCCEEDED, /* - Normal termination */
- RXRPC_CALL_REMOTELY_ABORTED, /* - call aborted by peer */
- RXRPC_CALL_LOCALLY_ABORTED, /* - call aborted locally on error or close */
- RXRPC_CALL_LOCAL_ERROR, /* - call failed due to local error */
- RXRPC_CALL_NETWORK_ERROR, /* - call terminated by network error */
- NR__RXRPC_CALL_COMPLETIONS
-};
-
-/*
* Call Tx congestion management modes.
*/
enum rxrpc_congest_mode {
@@ -587,6 +595,7 @@ enum rxrpc_congest_mode {
struct rxrpc_call {
struct rcu_head rcu;
struct rxrpc_connection *conn; /* connection carrying call */
+ struct rxrpc_bundle *bundle; /* Connection bundle to use */
struct rxrpc_peer *peer; /* Peer record for remote address */
struct rxrpc_local *local; /* Representation of local endpoint */
struct rxrpc_sock __rcu *socket; /* socket responsible */
@@ -609,7 +618,7 @@ struct rxrpc_call {
struct work_struct destroyer; /* In-process-context destroyer */
rxrpc_notify_rx_t notify_rx; /* kernel service Rx notification function */
struct list_head link; /* link in master call list */
- struct list_head chan_wait_link; /* Link in conn->bundle->waiting_calls */
+ struct list_head wait_link; /* Link in local->new_client_calls */
struct hlist_node error_link; /* link in error distribution list */
struct list_head accept_link; /* Link in rx->acceptq */
struct list_head recvmsg_link; /* Link in rx->recvmsg_q */
@@ -623,10 +632,13 @@ struct rxrpc_call {
unsigned long flags;
unsigned long events;
spinlock_t notify_lock; /* Kernel notification lock */
- rwlock_t state_lock; /* lock for state transition */
- u32 abort_code; /* Local/remote abort code */
+ unsigned int send_abort_why; /* Why the abort [enum rxrpc_abort_reason] */
+ s32 send_abort; /* Abort code to be sent */
+ short send_abort_err; /* Error to be associated with the abort */
+ rxrpc_seq_t send_abort_seq; /* DATA packet that incurred the abort (or 0) */
+ s32 abort_code; /* Local/remote abort code */
int error; /* Local error incurred */
- enum rxrpc_call_state state; /* current state of call */
+ enum rxrpc_call_state _state; /* Current state of call (needs barrier) */
enum rxrpc_call_completion completion; /* Call completion condition */
refcount_t ref;
u8 security_ix; /* Security type */
@@ -812,9 +824,11 @@ extern struct workqueue_struct *rxrpc_workqueue;
*/
int rxrpc_service_prealloc(struct rxrpc_sock *, gfp_t);
void rxrpc_discard_prealloc(struct rxrpc_sock *);
-int rxrpc_new_incoming_call(struct rxrpc_local *, struct rxrpc_peer *,
- struct rxrpc_connection *, struct sockaddr_rxrpc *,
- struct sk_buff *);
+bool rxrpc_new_incoming_call(struct rxrpc_local *local,
+ struct rxrpc_peer *peer,
+ struct rxrpc_connection *conn,
+ struct sockaddr_rxrpc *peer_srx,
+ struct sk_buff *skb);
void rxrpc_accept_incoming_calls(struct rxrpc_local *);
int rxrpc_user_charge_accept(struct rxrpc_sock *, unsigned long);
@@ -834,7 +848,7 @@ void rxrpc_reduce_call_timer(struct rxrpc_call *call,
unsigned long now,
enum rxrpc_timer_trace why);
-void rxrpc_input_call_event(struct rxrpc_call *call, struct sk_buff *skb);
+bool rxrpc_input_call_event(struct rxrpc_call *call, struct sk_buff *skb);
/*
* call_object.c
@@ -851,6 +865,7 @@ struct rxrpc_call *rxrpc_new_client_call(struct rxrpc_sock *,
struct sockaddr_rxrpc *,
struct rxrpc_call_params *, gfp_t,
unsigned int);
+void rxrpc_start_call_timer(struct rxrpc_call *call);
void rxrpc_incoming_call(struct rxrpc_sock *, struct rxrpc_call *,
struct sk_buff *);
void rxrpc_release_call(struct rxrpc_sock *, struct rxrpc_call *);
@@ -873,32 +888,88 @@ static inline bool rxrpc_is_client_call(const struct rxrpc_call *call)
}
/*
+ * call_state.c
+ */
+bool rxrpc_set_call_completion(struct rxrpc_call *call,
+ enum rxrpc_call_completion compl,
+ u32 abort_code,
+ int error);
+bool rxrpc_call_completed(struct rxrpc_call *call);
+bool rxrpc_abort_call(struct rxrpc_call *call, rxrpc_seq_t seq,
+ u32 abort_code, int error, enum rxrpc_abort_reason why);
+void rxrpc_prefail_call(struct rxrpc_call *call, enum rxrpc_call_completion compl,
+ int error);
+
+static inline void rxrpc_set_call_state(struct rxrpc_call *call,
+ enum rxrpc_call_state state)
+{
+ /* Order write of completion info before write of ->state. */
+ smp_store_release(&call->_state, state);
+ wake_up(&call->waitq);
+}
+
+static inline enum rxrpc_call_state __rxrpc_call_state(const struct rxrpc_call *call)
+{
+ return call->_state; /* Only inside I/O thread */
+}
+
+static inline bool __rxrpc_call_is_complete(const struct rxrpc_call *call)
+{
+ return __rxrpc_call_state(call) == RXRPC_CALL_COMPLETE;
+}
+
+static inline enum rxrpc_call_state rxrpc_call_state(const struct rxrpc_call *call)
+{
+ /* Order read ->state before read of completion info. */
+ return smp_load_acquire(&call->_state);
+}
+
+static inline bool rxrpc_call_is_complete(const struct rxrpc_call *call)
+{
+ return rxrpc_call_state(call) == RXRPC_CALL_COMPLETE;
+}
+
+static inline bool rxrpc_call_has_failed(const struct rxrpc_call *call)
+{
+ return rxrpc_call_is_complete(call) && call->completion != RXRPC_CALL_SUCCEEDED;
+}
+
+/*
* conn_client.c
*/
extern unsigned int rxrpc_reap_client_connections;
extern unsigned long rxrpc_conn_idle_client_expiry;
extern unsigned long rxrpc_conn_idle_client_fast_expiry;
-extern struct idr rxrpc_client_conn_ids;
-void rxrpc_destroy_client_conn_ids(void);
+void rxrpc_purge_client_connections(struct rxrpc_local *local);
struct rxrpc_bundle *rxrpc_get_bundle(struct rxrpc_bundle *, enum rxrpc_bundle_trace);
void rxrpc_put_bundle(struct rxrpc_bundle *, enum rxrpc_bundle_trace);
-int rxrpc_connect_call(struct rxrpc_sock *, struct rxrpc_call *,
- struct rxrpc_conn_parameters *, struct sockaddr_rxrpc *,
- gfp_t);
+int rxrpc_look_up_bundle(struct rxrpc_call *call, gfp_t gfp);
+void rxrpc_connect_client_calls(struct rxrpc_local *local);
void rxrpc_expose_client_call(struct rxrpc_call *);
void rxrpc_disconnect_client_call(struct rxrpc_bundle *, struct rxrpc_call *);
+void rxrpc_deactivate_bundle(struct rxrpc_bundle *bundle);
void rxrpc_put_client_conn(struct rxrpc_connection *, enum rxrpc_conn_trace);
-void rxrpc_discard_expired_client_conns(struct work_struct *);
-void rxrpc_destroy_all_client_connections(struct rxrpc_net *);
+void rxrpc_discard_expired_client_conns(struct rxrpc_local *local);
void rxrpc_clean_up_local_conns(struct rxrpc_local *);
/*
* conn_event.c
*/
+void rxrpc_conn_retransmit_call(struct rxrpc_connection *conn, struct sk_buff *skb,
+ unsigned int channel);
+int rxrpc_abort_conn(struct rxrpc_connection *conn, struct sk_buff *skb,
+ s32 abort_code, int err, enum rxrpc_abort_reason why);
void rxrpc_process_connection(struct work_struct *);
void rxrpc_process_delayed_final_acks(struct rxrpc_connection *, bool);
-int rxrpc_input_conn_packet(struct rxrpc_connection *conn, struct sk_buff *skb);
+bool rxrpc_input_conn_packet(struct rxrpc_connection *conn, struct sk_buff *skb);
+void rxrpc_input_conn_event(struct rxrpc_connection *conn, struct sk_buff *skb);
+
+static inline bool rxrpc_is_conn_aborted(const struct rxrpc_connection *conn)
+{
+ /* Order reading the abort info after the state check. */
+ return smp_load_acquire(&conn->state) == RXRPC_CONN_ABORTED;
+}
/*
* conn_object.c
@@ -906,6 +977,7 @@ int rxrpc_input_conn_packet(struct rxrpc_connection *conn, struct sk_buff *skb);
extern unsigned int rxrpc_connection_expiry;
extern unsigned int rxrpc_closed_conn_expiry;
+void rxrpc_poke_conn(struct rxrpc_connection *conn, enum rxrpc_conn_trace why);
struct rxrpc_connection *rxrpc_alloc_connection(struct rxrpc_net *, gfp_t);
struct rxrpc_connection *rxrpc_find_client_connection_rcu(struct rxrpc_local *,
struct sockaddr_rxrpc *,
@@ -961,12 +1033,19 @@ void rxrpc_implicit_end_call(struct rxrpc_call *, struct sk_buff *);
*/
int rxrpc_encap_rcv(struct sock *, struct sk_buff *);
void rxrpc_error_report(struct sock *);
+bool rxrpc_direct_abort(struct sk_buff *skb, enum rxrpc_abort_reason why,
+ s32 abort_code, int err);
int rxrpc_io_thread(void *data);
static inline void rxrpc_wake_up_io_thread(struct rxrpc_local *local)
{
wake_up_process(local->io_thread);
}
+static inline bool rxrpc_protocol_error(struct sk_buff *skb, enum rxrpc_abort_reason why)
+{
+ return rxrpc_direct_abort(skb, why, RX_PROTOCOL_ERROR, -EPROTO);
+}
+
/*
* insecure.c
*/
@@ -1048,6 +1127,7 @@ static inline struct rxrpc_net *rxrpc_net(struct net *net)
int rxrpc_send_ack_packet(struct rxrpc_call *call, struct rxrpc_txbuf *txb);
int rxrpc_send_abort_packet(struct rxrpc_call *);
int rxrpc_send_data_packet(struct rxrpc_call *, struct rxrpc_txbuf *);
+void rxrpc_send_conn_abort(struct rxrpc_connection *conn);
void rxrpc_reject_packet(struct rxrpc_local *local, struct sk_buff *skb);
void rxrpc_send_keepalive(struct rxrpc_peer *);
void rxrpc_transmit_one(struct rxrpc_call *call, struct rxrpc_txbuf *txb);
@@ -1063,12 +1143,11 @@ void rxrpc_peer_keepalive_worker(struct work_struct *);
*/
struct rxrpc_peer *rxrpc_lookup_peer_rcu(struct rxrpc_local *,
const struct sockaddr_rxrpc *);
-struct rxrpc_peer *rxrpc_lookup_peer(struct rxrpc_sock *, struct rxrpc_local *,
- struct sockaddr_rxrpc *, gfp_t);
+struct rxrpc_peer *rxrpc_lookup_peer(struct rxrpc_local *local,
+ struct sockaddr_rxrpc *srx, gfp_t gfp);
struct rxrpc_peer *rxrpc_alloc_peer(struct rxrpc_local *, gfp_t,
enum rxrpc_peer_trace);
-void rxrpc_new_incoming_peer(struct rxrpc_sock *, struct rxrpc_local *,
- struct rxrpc_peer *);
+void rxrpc_new_incoming_peer(struct rxrpc_local *local, struct rxrpc_peer *peer);
void rxrpc_destroy_all_peers(struct rxrpc_net *);
struct rxrpc_peer *rxrpc_get_peer(struct rxrpc_peer *, enum rxrpc_peer_trace);
struct rxrpc_peer *rxrpc_get_peer_maybe(struct rxrpc_peer *, enum rxrpc_peer_trace);
@@ -1086,33 +1165,22 @@ extern const struct seq_operations rxrpc_local_seq_ops;
* recvmsg.c
*/
void rxrpc_notify_socket(struct rxrpc_call *);
-bool __rxrpc_set_call_completion(struct rxrpc_call *, enum rxrpc_call_completion, u32, int);
-bool rxrpc_set_call_completion(struct rxrpc_call *, enum rxrpc_call_completion, u32, int);
-bool __rxrpc_call_completed(struct rxrpc_call *);
-bool rxrpc_call_completed(struct rxrpc_call *);
-bool __rxrpc_abort_call(const char *, struct rxrpc_call *, rxrpc_seq_t, u32, int);
-bool rxrpc_abort_call(const char *, struct rxrpc_call *, rxrpc_seq_t, u32, int);
int rxrpc_recvmsg(struct socket *, struct msghdr *, size_t, int);
/*
* Abort a call due to a protocol error.
*/
-static inline bool __rxrpc_abort_eproto(struct rxrpc_call *call,
- struct sk_buff *skb,
- const char *eproto_why,
- const char *why,
- u32 abort_code)
+static inline int rxrpc_abort_eproto(struct rxrpc_call *call,
+ struct sk_buff *skb,
+ s32 abort_code,
+ enum rxrpc_abort_reason why)
{
struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
- trace_rxrpc_rx_eproto(call, sp->hdr.serial, eproto_why);
- return rxrpc_abort_call(why, call, sp->hdr.seq, abort_code, -EPROTO);
+ rxrpc_abort_call(call, sp->hdr.seq, abort_code, -EPROTO, why);
+ return -EPROTO;
}
-#define rxrpc_abort_eproto(call, skb, eproto_why, abort_why, abort_code) \
- __rxrpc_abort_eproto((call), (skb), tracepoint_string(eproto_why), \
- (abort_why), (abort_code))
-
/*
* rtt.c
*/
@@ -1144,6 +1212,8 @@ struct key *rxrpc_look_up_server_security(struct rxrpc_connection *,
/*
* sendmsg.c
*/
+bool rxrpc_propose_abort(struct rxrpc_call *call, s32 abort_code, int error,
+ enum rxrpc_abort_reason why);
int rxrpc_do_sendmsg(struct rxrpc_sock *, struct msghdr *, size_t);
/*
diff --git a/net/rxrpc/call_accept.c b/net/rxrpc/call_accept.c
index c02401656fa9..3e8689fdc437 100644
--- a/net/rxrpc/call_accept.c
+++ b/net/rxrpc/call_accept.c
@@ -99,7 +99,7 @@ static int rxrpc_service_prealloc_one(struct rxrpc_sock *rx,
if (!call)
return -ENOMEM;
call->flags |= (1 << RXRPC_CALL_IS_SERVICE);
- call->state = RXRPC_CALL_SERVER_PREALLOC;
+ rxrpc_set_call_state(call, RXRPC_CALL_SERVER_PREALLOC);
__set_bit(RXRPC_CALL_EV_INITIAL_PING, &call->events);
trace_rxrpc_call(call->debug_id, refcount_read(&call->ref),
@@ -280,7 +280,7 @@ static struct rxrpc_call *rxrpc_alloc_incoming_call(struct rxrpc_sock *rx,
(peer_tail + 1) &
(RXRPC_BACKLOG_MAX - 1));
- rxrpc_new_incoming_peer(rx, local, peer);
+ rxrpc_new_incoming_peer(local, peer);
}
/* Now allocate and set up the connection */
@@ -326,11 +326,11 @@ static struct rxrpc_call *rxrpc_alloc_incoming_call(struct rxrpc_sock *rx,
* If we want to report an error, we mark the skb with the packet type and
* abort code and return false.
*/
-int rxrpc_new_incoming_call(struct rxrpc_local *local,
- struct rxrpc_peer *peer,
- struct rxrpc_connection *conn,
- struct sockaddr_rxrpc *peer_srx,
- struct sk_buff *skb)
+bool rxrpc_new_incoming_call(struct rxrpc_local *local,
+ struct rxrpc_peer *peer,
+ struct rxrpc_connection *conn,
+ struct sockaddr_rxrpc *peer_srx,
+ struct sk_buff *skb)
{
const struct rxrpc_security *sec = NULL;
struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
@@ -339,18 +339,17 @@ int rxrpc_new_incoming_call(struct rxrpc_local *local,
_enter("");
- /* Don't set up a call for anything other than the first DATA packet. */
- if (sp->hdr.seq != 1 ||
- sp->hdr.type != RXRPC_PACKET_TYPE_DATA)
- return 0; /* Just discard */
+ /* Don't set up a call for anything other than a DATA packet. */
+ if (sp->hdr.type != RXRPC_PACKET_TYPE_DATA)
+ return rxrpc_protocol_error(skb, rxrpc_eproto_no_service_call);
- rcu_read_lock();
+ read_lock(&local->services_lock);
/* Weed out packets to services we're not offering. Packets that would
* begin a call are explicitly rejected and the rest are just
* discarded.
*/
- rx = rcu_dereference(local->service);
+ rx = local->service;
if (!rx || (sp->hdr.serviceId != rx->srx.srx_service &&
sp->hdr.serviceId != rx->second_service)
) {
@@ -363,16 +362,14 @@ int rxrpc_new_incoming_call(struct rxrpc_local *local,
if (!conn) {
sec = rxrpc_get_incoming_security(rx, skb);
if (!sec)
- goto reject;
+ goto unsupported_security;
}
spin_lock(&rx->incoming_lock);
if (rx->sk.sk_state == RXRPC_SERVER_LISTEN_DISABLED ||
rx->sk.sk_state == RXRPC_CLOSE) {
- trace_rxrpc_abort(0, "CLS", sp->hdr.cid, sp->hdr.callNumber,
- sp->hdr.seq, RX_INVALID_OPERATION, ESHUTDOWN);
- skb->mark = RXRPC_SKB_MARK_REJECT_ABORT;
- skb->priority = RX_INVALID_OPERATION;
+ rxrpc_direct_abort(skb, rxrpc_abort_shut_down,
+ RX_INVALID_OPERATION, -ESHUTDOWN);
goto no_call;
}
@@ -402,7 +399,7 @@ int rxrpc_new_incoming_call(struct rxrpc_local *local,
spin_unlock(&conn->state_lock);
spin_unlock(&rx->incoming_lock);
- rcu_read_unlock();
+ read_unlock(&local->services_lock);
if (hlist_unhashed(&call->error_link)) {
spin_lock(&call->peer->lock);
@@ -413,22 +410,24 @@ int rxrpc_new_incoming_call(struct rxrpc_local *local,
_leave(" = %p{%d}", call, call->debug_id);
rxrpc_input_call_event(call, skb);
rxrpc_put_call(call, rxrpc_call_put_input);
- return 0;
+ return true;
unsupported_service:
- trace_rxrpc_abort(0, "INV", sp->hdr.cid, sp->hdr.callNumber, sp->hdr.seq,
- RX_INVALID_OPERATION, EOPNOTSUPP);
- skb->priority = RX_INVALID_OPERATION;
- goto reject;
+ read_unlock(&local->services_lock);
+ return rxrpc_direct_abort(skb, rxrpc_abort_service_not_offered,
+ RX_INVALID_OPERATION, -EOPNOTSUPP);
+unsupported_security:
+ read_unlock(&local->services_lock);
+ return rxrpc_direct_abort(skb, rxrpc_abort_service_not_offered,
+ RX_INVALID_OPERATION, -EKEYREJECTED);
no_call:
spin_unlock(&rx->incoming_lock);
-reject:
- rcu_read_unlock();
+ read_unlock(&local->services_lock);
_leave(" = f [%u]", skb->mark);
- return -EPROTO;
+ return false;
discard:
- rcu_read_unlock();
- return 0;
+ read_unlock(&local->services_lock);
+ return true;
}
/*
diff --git a/net/rxrpc/call_event.c b/net/rxrpc/call_event.c
index b2cf448fb02c..1abdef15debc 100644
--- a/net/rxrpc/call_event.c
+++ b/net/rxrpc/call_event.c
@@ -251,6 +251,41 @@ out:
_leave("");
}
+/*
+ * Start transmitting the reply to a service. This cancels the need to ACK the
+ * request if we haven't yet done so.
+ */
+static void rxrpc_begin_service_reply(struct rxrpc_call *call)
+{
+ unsigned long now = jiffies;
+
+ rxrpc_set_call_state(call, RXRPC_CALL_SERVER_SEND_REPLY);
+ WRITE_ONCE(call->delay_ack_at, now + MAX_JIFFY_OFFSET);
+ if (call->ackr_reason == RXRPC_ACK_DELAY)
+ call->ackr_reason = 0;
+ trace_rxrpc_timer(call, rxrpc_timer_init_for_send_reply, now);
+}
+
+/*
+ * Close the transmission phase. After this point there is no more data to be
+ * transmitted in the call.
+ */
+static void rxrpc_close_tx_phase(struct rxrpc_call *call)
+{
+ _debug("________awaiting reply/ACK__________");
+
+ switch (__rxrpc_call_state(call)) {
+ case RXRPC_CALL_CLIENT_SEND_REQUEST:
+ rxrpc_set_call_state(call, RXRPC_CALL_CLIENT_AWAIT_REPLY);
+ break;
+ case RXRPC_CALL_SERVER_SEND_REPLY:
+ rxrpc_set_call_state(call, RXRPC_CALL_SERVER_AWAIT_ACK);
+ break;
+ default:
+ break;
+ }
+}
+
static bool rxrpc_tx_window_has_space(struct rxrpc_call *call)
{
unsigned int winsize = min_t(unsigned int, call->tx_winsize,
@@ -270,9 +305,11 @@ static void rxrpc_decant_prepared_tx(struct rxrpc_call *call)
{
struct rxrpc_txbuf *txb;
- if (rxrpc_is_client_call(call) &&
- !test_bit(RXRPC_CALL_EXPOSED, &call->flags))
+ if (!test_bit(RXRPC_CALL_EXPOSED, &call->flags)) {
+ if (list_empty(&call->tx_sendmsg))
+ return;
rxrpc_expose_client_call(call);
+ }
while ((txb = list_first_entry_or_null(&call->tx_sendmsg,
struct rxrpc_txbuf, call_link))) {
@@ -283,6 +320,9 @@ static void rxrpc_decant_prepared_tx(struct rxrpc_call *call)
call->tx_top = txb->seq;
list_add_tail(&txb->call_link, &call->tx_buffer);
+ if (txb->wire.flags & RXRPC_LAST_PACKET)
+ rxrpc_close_tx_phase(call);
+
rxrpc_transmit_one(call, txb);
if (!rxrpc_tx_window_has_space(call))
@@ -292,16 +332,15 @@ static void rxrpc_decant_prepared_tx(struct rxrpc_call *call)
static void rxrpc_transmit_some_data(struct rxrpc_call *call)
{
- switch (call->state) {
+ switch (__rxrpc_call_state(call)) {
case RXRPC_CALL_SERVER_ACK_REQUEST:
if (list_empty(&call->tx_sendmsg))
return;
+ rxrpc_begin_service_reply(call);
fallthrough;
case RXRPC_CALL_SERVER_SEND_REPLY:
- case RXRPC_CALL_SERVER_AWAIT_ACK:
case RXRPC_CALL_CLIENT_SEND_REQUEST:
- case RXRPC_CALL_CLIENT_AWAIT_REPLY:
if (!rxrpc_tx_window_has_space(call))
return;
if (list_empty(&call->tx_sendmsg)) {
@@ -331,21 +370,31 @@ static void rxrpc_send_initial_ping(struct rxrpc_call *call)
/*
* Handle retransmission and deferred ACK/abort generation.
*/
-void rxrpc_input_call_event(struct rxrpc_call *call, struct sk_buff *skb)
+bool rxrpc_input_call_event(struct rxrpc_call *call, struct sk_buff *skb)
{
unsigned long now, next, t;
rxrpc_serial_t ackr_serial;
bool resend = false, expired = false;
+ s32 abort_code;
rxrpc_see_call(call, rxrpc_call_see_input);
//printk("\n--------------------\n");
_enter("{%d,%s,%lx}",
- call->debug_id, rxrpc_call_states[call->state], call->events);
+ call->debug_id, rxrpc_call_states[__rxrpc_call_state(call)],
+ call->events);
- if (call->state == RXRPC_CALL_COMPLETE)
+ if (__rxrpc_call_is_complete(call))
goto out;
+ /* Handle abort request locklessly, vs rxrpc_propose_abort(). */
+ abort_code = smp_load_acquire(&call->send_abort);
+ if (abort_code) {
+ rxrpc_abort_call(call, 0, call->send_abort, call->send_abort_err,
+ call->send_abort_why);
+ goto out;
+ }
+
if (skb && skb->mark == RXRPC_SKB_MARK_ERROR)
goto out;
@@ -358,7 +407,7 @@ void rxrpc_input_call_event(struct rxrpc_call *call, struct sk_buff *skb)
}
t = READ_ONCE(call->expect_req_by);
- if (call->state == RXRPC_CALL_SERVER_RECV_REQUEST &&
+ if (__rxrpc_call_state(call) == RXRPC_CALL_SERVER_RECV_REQUEST &&
time_after_eq(now, t)) {
trace_rxrpc_timer(call, rxrpc_timer_exp_idle, now);
expired = true;
@@ -429,11 +478,12 @@ void rxrpc_input_call_event(struct rxrpc_call *call, struct sk_buff *skb)
if (test_bit(RXRPC_CALL_RX_HEARD, &call->flags) &&
(int)call->conn->hi_serial - (int)call->rx_serial > 0) {
trace_rxrpc_call_reset(call);
- rxrpc_abort_call("EXP", call, 0, RX_CALL_DEAD, -ECONNRESET);
+ rxrpc_abort_call(call, 0, RX_CALL_DEAD, -ECONNRESET,
+ rxrpc_abort_call_reset);
} else {
- rxrpc_abort_call("EXP", call, 0, RX_CALL_TIMEOUT, -ETIME);
+ rxrpc_abort_call(call, 0, RX_CALL_TIMEOUT, -ETIME,
+ rxrpc_abort_call_timeout);
}
- rxrpc_send_abort_packet(call);
goto out;
}
@@ -441,7 +491,7 @@ void rxrpc_input_call_event(struct rxrpc_call *call, struct sk_buff *skb)
rxrpc_send_ACK(call, RXRPC_ACK_PING, 0,
rxrpc_propose_ack_ping_for_lost_ack);
- if (resend && call->state != RXRPC_CALL_CLIENT_RECV_REPLY)
+ if (resend && __rxrpc_call_state(call) != RXRPC_CALL_CLIENT_RECV_REPLY)
rxrpc_resend(call, NULL);
if (test_and_clear_bit(RXRPC_CALL_RX_IS_IDLE, &call->flags))
@@ -453,7 +503,7 @@ void rxrpc_input_call_event(struct rxrpc_call *call, struct sk_buff *skb)
rxrpc_propose_ack_input_data);
/* Make sure the timer is restarted */
- if (call->state != RXRPC_CALL_COMPLETE) {
+ if (!__rxrpc_call_is_complete(call)) {
next = call->expect_rx_by;
#define set(T) { t = READ_ONCE(T); if (time_before(t, next)) next = t; }
@@ -474,9 +524,15 @@ void rxrpc_input_call_event(struct rxrpc_call *call, struct sk_buff *skb)
}
out:
- if (call->state == RXRPC_CALL_COMPLETE)
+ if (__rxrpc_call_is_complete(call)) {
del_timer_sync(&call->timer);
+ if (!test_bit(RXRPC_CALL_DISCONNECTED, &call->flags))
+ rxrpc_disconnect_call(call);
+ if (call->security)
+ call->security->free_call_crypto(call);
+ }
if (call->acks_hard_ack != call->tx_bottom)
rxrpc_shrink_call_tx_buffer(call);
_leave("");
+ return true;
}
diff --git a/net/rxrpc/call_object.c b/net/rxrpc/call_object.c
index 89dcf60b1158..3ded5a24627c 100644
--- a/net/rxrpc/call_object.c
+++ b/net/rxrpc/call_object.c
@@ -50,7 +50,7 @@ void rxrpc_poke_call(struct rxrpc_call *call, enum rxrpc_call_poke_trace what)
struct rxrpc_local *local = call->local;
bool busy;
- if (call->state < RXRPC_CALL_COMPLETE) {
+ if (!test_bit(RXRPC_CALL_DISCONNECTED, &call->flags)) {
spin_lock_bh(&local->lock);
busy = !list_empty(&call->attend_link);
trace_rxrpc_poke_call(call, busy, what);
@@ -69,7 +69,7 @@ static void rxrpc_call_timer_expired(struct timer_list *t)
_enter("%d", call->debug_id);
- if (call->state < RXRPC_CALL_COMPLETE) {
+ if (!__rxrpc_call_is_complete(call)) {
trace_rxrpc_timer_expired(call, jiffies);
rxrpc_poke_call(call, rxrpc_call_poke_timer);
}
@@ -150,7 +150,7 @@ struct rxrpc_call *rxrpc_alloc_call(struct rxrpc_sock *rx, gfp_t gfp,
timer_setup(&call->timer, rxrpc_call_timer_expired, 0);
INIT_WORK(&call->destroyer, rxrpc_destroy_call);
INIT_LIST_HEAD(&call->link);
- INIT_LIST_HEAD(&call->chan_wait_link);
+ INIT_LIST_HEAD(&call->wait_link);
INIT_LIST_HEAD(&call->accept_link);
INIT_LIST_HEAD(&call->recvmsg_link);
INIT_LIST_HEAD(&call->sock_link);
@@ -162,7 +162,6 @@ struct rxrpc_call *rxrpc_alloc_call(struct rxrpc_sock *rx, gfp_t gfp,
init_waitqueue_head(&call->waitq);
spin_lock_init(&call->notify_lock);
spin_lock_init(&call->tx_lock);
- rwlock_init(&call->state_lock);
refcount_set(&call->ref, 1);
call->debug_id = debug_id;
call->tx_total_len = -1;
@@ -211,7 +210,6 @@ static struct rxrpc_call *rxrpc_alloc_client_call(struct rxrpc_sock *rx,
now = ktime_get_real();
call->acks_latest_ts = now;
call->cong_tstamp = now;
- call->state = RXRPC_CALL_CLIENT_AWAIT_CONN;
call->dest_srx = *srx;
call->interruptibility = p->interruptibility;
call->tx_total_len = p->tx_total_len;
@@ -227,11 +225,13 @@ static struct rxrpc_call *rxrpc_alloc_client_call(struct rxrpc_sock *rx,
ret = rxrpc_init_client_call_security(call);
if (ret < 0) {
- __rxrpc_set_call_completion(call, RXRPC_CALL_LOCAL_ERROR, 0, ret);
+ rxrpc_prefail_call(call, RXRPC_CALL_LOCAL_ERROR, ret);
rxrpc_put_call(call, rxrpc_call_put_discard_error);
return ERR_PTR(ret);
}
+ rxrpc_set_call_state(call, RXRPC_CALL_CLIENT_AWAIT_CONN);
+
trace_rxrpc_call(call->debug_id, refcount_read(&call->ref),
p->user_call_ID, rxrpc_call_new_client);
@@ -242,7 +242,7 @@ static struct rxrpc_call *rxrpc_alloc_client_call(struct rxrpc_sock *rx,
/*
* Initiate the call ack/resend/expiry timer.
*/
-static void rxrpc_start_call_timer(struct rxrpc_call *call)
+void rxrpc_start_call_timer(struct rxrpc_call *call)
{
unsigned long now = jiffies;
unsigned long j = now + MAX_JIFFY_OFFSET;
@@ -287,6 +287,39 @@ static void rxrpc_put_call_slot(struct rxrpc_call *call)
}
/*
+ * Start the process of connecting a call. We obtain a peer and a connection
+ * bundle, but the actual association of a call with a connection is offloaded
+ * to the I/O thread to simplify locking.
+ */
+static int rxrpc_connect_call(struct rxrpc_call *call, gfp_t gfp)
+{
+ struct rxrpc_local *local = call->local;
+ int ret = 0;
+
+ _enter("{%d,%lx},", call->debug_id, call->user_call_ID);
+
+ call->peer = rxrpc_lookup_peer(local, &call->dest_srx, gfp);
+ if (!call->peer)
+ goto error;
+
+ ret = rxrpc_look_up_bundle(call, gfp);
+ if (ret < 0)
+ goto error;
+
+ trace_rxrpc_client(NULL, -1, rxrpc_client_queue_new_call);
+ rxrpc_get_call(call, rxrpc_call_get_io_thread);
+ spin_lock(&local->client_call_lock);
+ list_add_tail(&call->wait_link, &local->new_client_calls);
+ spin_unlock(&local->client_call_lock);
+ rxrpc_wake_up_io_thread(local);
+ return 0;
+
+error:
+ __set_bit(RXRPC_CALL_DISCONNECTED, &call->flags);
+ return ret;
+}
+
+/*
* Set up a call for the given parameters.
* - Called with the socket lock held, which it must release.
* - If it returns a call, the call's lock will need releasing by the caller.
@@ -365,14 +398,10 @@ struct rxrpc_call *rxrpc_new_client_call(struct rxrpc_sock *rx,
/* Set up or get a connection record and set the protocol parameters,
* including channel number and call ID.
*/
- ret = rxrpc_connect_call(rx, call, cp, srx, gfp);
+ ret = rxrpc_connect_call(call, gfp);
if (ret < 0)
goto error_attached_to_socket;
- rxrpc_see_call(call, rxrpc_call_see_connected);
-
- rxrpc_start_call_timer(call);
-
_leave(" = %p [new]", call);
return call;
@@ -384,27 +413,23 @@ struct rxrpc_call *rxrpc_new_client_call(struct rxrpc_sock *rx,
error_dup_user_ID:
write_unlock(&rx->call_lock);
release_sock(&rx->sk);
- __rxrpc_set_call_completion(call, RXRPC_CALL_LOCAL_ERROR,
- RX_CALL_DEAD, -EEXIST);
+ rxrpc_prefail_call(call, RXRPC_CALL_LOCAL_ERROR, -EEXIST);
trace_rxrpc_call(call->debug_id, refcount_read(&call->ref), 0,
rxrpc_call_see_userid_exists);
- rxrpc_release_call(rx, call);
mutex_unlock(&call->user_mutex);
rxrpc_put_call(call, rxrpc_call_put_userid_exists);
_leave(" = -EEXIST");
return ERR_PTR(-EEXIST);
/* We got an error, but the call is attached to the socket and is in
- * need of release. However, we might now race with recvmsg() when
- * completing the call queues it. Return 0 from sys_sendmsg() and
+ * need of release. However, we might now race with recvmsg() when it
+ * completion notifies the socket. Return 0 from sys_sendmsg() and
* leave the error to recvmsg() to deal with.
*/
error_attached_to_socket:
trace_rxrpc_call(call->debug_id, refcount_read(&call->ref), ret,
rxrpc_call_see_connect_failed);
- set_bit(RXRPC_CALL_DISCONNECTED, &call->flags);
- __rxrpc_set_call_completion(call, RXRPC_CALL_LOCAL_ERROR,
- RX_CALL_DEAD, ret);
+ rxrpc_set_call_completion(call, RXRPC_CALL_LOCAL_ERROR, 0, ret);
_leave(" = c=%08x [err]", call->debug_id);
return call;
}
@@ -427,32 +452,32 @@ void rxrpc_incoming_call(struct rxrpc_sock *rx,
call->call_id = sp->hdr.callNumber;
call->dest_srx.srx_service = sp->hdr.serviceId;
call->cid = sp->hdr.cid;
- call->state = RXRPC_CALL_SERVER_SECURING;
call->cong_tstamp = skb->tstamp;
+ __set_bit(RXRPC_CALL_EXPOSED, &call->flags);
+ rxrpc_set_call_state(call, RXRPC_CALL_SERVER_SECURING);
+
spin_lock(&conn->state_lock);
switch (conn->state) {
case RXRPC_CONN_SERVICE_UNSECURED:
case RXRPC_CONN_SERVICE_CHALLENGING:
- call->state = RXRPC_CALL_SERVER_SECURING;
+ rxrpc_set_call_state(call, RXRPC_CALL_SERVER_SECURING);
break;
case RXRPC_CONN_SERVICE:
- call->state = RXRPC_CALL_SERVER_RECV_REQUEST;
+ rxrpc_set_call_state(call, RXRPC_CALL_SERVER_RECV_REQUEST);
break;
- case RXRPC_CONN_REMOTELY_ABORTED:
- __rxrpc_set_call_completion(call, RXRPC_CALL_REMOTELY_ABORTED,
- conn->abort_code, conn->error);
- break;
- case RXRPC_CONN_LOCALLY_ABORTED:
- __rxrpc_abort_call("CON", call, 1,
- conn->abort_code, conn->error);
+ case RXRPC_CONN_ABORTED:
+ rxrpc_set_call_completion(call, conn->completion,
+ conn->abort_code, conn->error);
break;
default:
BUG();
}
+ rxrpc_get_call(call, rxrpc_call_get_io_thread);
+
/* Set the channel for this call. We don't get channel_lock as we're
* only defending against the data_ready handler (which we're called
* from) and the RESPONSE packet parser (which is only really
@@ -462,7 +487,7 @@ void rxrpc_incoming_call(struct rxrpc_sock *rx,
chan = sp->hdr.cid & RXRPC_CHANNELMASK;
conn->channels[chan].call_counter = call->call_id;
conn->channels[chan].call_id = call->call_id;
- rcu_assign_pointer(conn->channels[chan].call, call);
+ conn->channels[chan].call = call;
spin_unlock(&conn->state_lock);
spin_lock(&conn->peer->lock);
@@ -522,20 +547,17 @@ static void rxrpc_cleanup_ring(struct rxrpc_call *call)
void rxrpc_release_call(struct rxrpc_sock *rx, struct rxrpc_call *call)
{
struct rxrpc_connection *conn = call->conn;
- bool put = false;
+ bool put = false, putu = false;
_enter("{%d,%d}", call->debug_id, refcount_read(&call->ref));
trace_rxrpc_call(call->debug_id, refcount_read(&call->ref),
call->flags, rxrpc_call_see_release);
- ASSERTCMP(call->state, ==, RXRPC_CALL_COMPLETE);
-
if (test_and_set_bit(RXRPC_CALL_RELEASED, &call->flags))
BUG();
rxrpc_put_call_slot(call);
- del_timer_sync(&call->timer);
/* Make sure we don't get any more notifications */
write_lock(&rx->recvmsg_lock);
@@ -560,7 +582,7 @@ void rxrpc_release_call(struct rxrpc_sock *rx, struct rxrpc_call *call)
if (test_and_clear_bit(RXRPC_CALL_HAS_USERID, &call->flags)) {
rb_erase(&call->sock_node, &rx->calls);
memset(&call->sock_node, 0xdd, sizeof(call->sock_node));
- rxrpc_put_call(call, rxrpc_call_put_userid_exists);
+ putu = true;
}
list_del(&call->sock_link);
@@ -568,10 +590,9 @@ void rxrpc_release_call(struct rxrpc_sock *rx, struct rxrpc_call *call)
_debug("RELEASE CALL %p (%d CONN %p)", call, call->debug_id, conn);
- if (conn && !test_bit(RXRPC_CALL_DISCONNECTED, &call->flags))
- rxrpc_disconnect_call(call);
- if (call->security)
- call->security->free_call_crypto(call);
+ if (putu)
+ rxrpc_put_call(call, rxrpc_call_put_userid);
+
_leave("");
}
@@ -588,7 +609,8 @@ void rxrpc_release_calls_on_socket(struct rxrpc_sock *rx)
call = list_entry(rx->to_be_accepted.next,
struct rxrpc_call, accept_link);
list_del(&call->accept_link);
- rxrpc_abort_call("SKR", call, 0, RX_CALL_DEAD, -ECONNRESET);
+ rxrpc_propose_abort(call, RX_CALL_DEAD, -ECONNRESET,
+ rxrpc_abort_call_sock_release_tba);
rxrpc_put_call(call, rxrpc_call_put_release_sock_tba);
}
@@ -596,8 +618,8 @@ void rxrpc_release_calls_on_socket(struct rxrpc_sock *rx)
call = list_entry(rx->sock_calls.next,
struct rxrpc_call, sock_link);
rxrpc_get_call(call, rxrpc_call_get_release_sock);
- rxrpc_abort_call("SKT", call, 0, RX_CALL_DEAD, -ECONNRESET);
- rxrpc_send_abort_packet(call);
+ rxrpc_propose_abort(call, RX_CALL_DEAD, -ECONNRESET,
+ rxrpc_abort_call_sock_release);
rxrpc_release_call(rx, call);
rxrpc_put_call(call, rxrpc_call_put_release_sock);
}
@@ -620,7 +642,7 @@ void rxrpc_put_call(struct rxrpc_call *call, enum rxrpc_call_trace why)
dead = __refcount_dec_and_test(&call->ref, &r);
trace_rxrpc_call(debug_id, r - 1, 0, why);
if (dead) {
- ASSERTCMP(call->state, ==, RXRPC_CALL_COMPLETE);
+ ASSERTCMP(__rxrpc_call_state(call), ==, RXRPC_CALL_COMPLETE);
if (!list_empty(&call->link)) {
spin_lock(&rxnet->call_lock);
@@ -669,6 +691,8 @@ static void rxrpc_destroy_call(struct work_struct *work)
rxrpc_put_txbuf(call->tx_pending, rxrpc_txbuf_put_cleaned);
rxrpc_put_connection(call->conn, rxrpc_conn_put_call);
+ rxrpc_deactivate_bundle(call->bundle);
+ rxrpc_put_bundle(call->bundle, rxrpc_bundle_put_call);
rxrpc_put_peer(call->peer, rxrpc_peer_put_call);
rxrpc_put_local(call->local, rxrpc_local_put_call);
call_rcu(&call->rcu, rxrpc_rcu_free_call);
@@ -681,7 +705,7 @@ void rxrpc_cleanup_call(struct rxrpc_call *call)
{
memset(&call->sock_node, 0xcd, sizeof(call->sock_node));
- ASSERTCMP(call->state, ==, RXRPC_CALL_COMPLETE);
+ ASSERTCMP(__rxrpc_call_state(call), ==, RXRPC_CALL_COMPLETE);
ASSERT(test_bit(RXRPC_CALL_RELEASED, &call->flags));
del_timer(&call->timer);
@@ -719,7 +743,7 @@ void rxrpc_destroy_all_calls(struct rxrpc_net *rxnet)
pr_err("Call %p still in use (%d,%s,%lx,%lx)!\n",
call, refcount_read(&call->ref),
- rxrpc_call_states[call->state],
+ rxrpc_call_states[__rxrpc_call_state(call)],
call->flags, call->events);
spin_unlock(&rxnet->call_lock);
diff --git a/net/rxrpc/call_state.c b/net/rxrpc/call_state.c
new file mode 100644
index 000000000000..6afb54373ebb
--- /dev/null
+++ b/net/rxrpc/call_state.c
@@ -0,0 +1,69 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/* Call state changing functions.
+ *
+ * Copyright (C) 2022 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ */
+
+#include "ar-internal.h"
+
+/*
+ * Transition a call to the complete state.
+ */
+bool rxrpc_set_call_completion(struct rxrpc_call *call,
+ enum rxrpc_call_completion compl,
+ u32 abort_code,
+ int error)
+{
+ if (__rxrpc_call_state(call) == RXRPC_CALL_COMPLETE)
+ return false;
+
+ call->abort_code = abort_code;
+ call->error = error;
+ call->completion = compl;
+ /* Allow reader of completion state to operate locklessly */
+ rxrpc_set_call_state(call, RXRPC_CALL_COMPLETE);
+ trace_rxrpc_call_complete(call);
+ wake_up(&call->waitq);
+ rxrpc_notify_socket(call);
+ return true;
+}
+
+/*
+ * Record that a call successfully completed.
+ */
+bool rxrpc_call_completed(struct rxrpc_call *call)
+{
+ return rxrpc_set_call_completion(call, RXRPC_CALL_SUCCEEDED, 0, 0);
+}
+
+/*
+ * Record that a call is locally aborted.
+ */
+bool rxrpc_abort_call(struct rxrpc_call *call, rxrpc_seq_t seq,
+ u32 abort_code, int error, enum rxrpc_abort_reason why)
+{
+ trace_rxrpc_abort(call->debug_id, why, call->cid, call->call_id, seq,
+ abort_code, error);
+ if (!rxrpc_set_call_completion(call, RXRPC_CALL_LOCALLY_ABORTED,
+ abort_code, error))
+ return false;
+ if (test_bit(RXRPC_CALL_EXPOSED, &call->flags))
+ rxrpc_send_abort_packet(call);
+ return true;
+}
+
+/*
+ * Record that a call errored out before even getting off the ground, thereby
+ * setting the state to allow it to be destroyed.
+ */
+void rxrpc_prefail_call(struct rxrpc_call *call, enum rxrpc_call_completion compl,
+ int error)
+{
+ call->abort_code = RX_CALL_DEAD;
+ call->error = error;
+ call->completion = compl;
+ call->_state = RXRPC_CALL_COMPLETE;
+ trace_rxrpc_call_complete(call);
+ WARN_ON_ONCE(__test_and_set_bit(RXRPC_CALL_RELEASED, &call->flags));
+}
diff --git a/net/rxrpc/conn_client.c b/net/rxrpc/conn_client.c
index 87efa0373aed..981ca5b98bcb 100644
--- a/net/rxrpc/conn_client.c
+++ b/net/rxrpc/conn_client.c
@@ -34,104 +34,59 @@ __read_mostly unsigned int rxrpc_reap_client_connections = 900;
__read_mostly unsigned long rxrpc_conn_idle_client_expiry = 2 * 60 * HZ;
__read_mostly unsigned long rxrpc_conn_idle_client_fast_expiry = 2 * HZ;
-/*
- * We use machine-unique IDs for our client connections.
- */
-DEFINE_IDR(rxrpc_client_conn_ids);
-static DEFINE_SPINLOCK(rxrpc_conn_id_lock);
-
-static void rxrpc_deactivate_bundle(struct rxrpc_bundle *bundle);
-
-/*
- * Get a connection ID and epoch for a client connection from the global pool.
- * The connection struct pointer is then recorded in the idr radix tree. The
- * epoch doesn't change until the client is rebooted (or, at least, unless the
- * module is unloaded).
- */
-static int rxrpc_get_client_connection_id(struct rxrpc_connection *conn,
- gfp_t gfp)
+static void rxrpc_activate_bundle(struct rxrpc_bundle *bundle)
{
- struct rxrpc_net *rxnet = conn->rxnet;
- int id;
-
- _enter("");
-
- idr_preload(gfp);
- spin_lock(&rxrpc_conn_id_lock);
-
- id = idr_alloc_cyclic(&rxrpc_client_conn_ids, conn,
- 1, 0x40000000, GFP_NOWAIT);
- if (id < 0)
- goto error;
-
- spin_unlock(&rxrpc_conn_id_lock);
- idr_preload_end();
-
- conn->proto.epoch = rxnet->epoch;
- conn->proto.cid = id << RXRPC_CIDSHIFT;
- set_bit(RXRPC_CONN_HAS_IDR, &conn->flags);
- _leave(" [CID %x]", conn->proto.cid);
- return 0;
-
-error:
- spin_unlock(&rxrpc_conn_id_lock);
- idr_preload_end();
- _leave(" = %d", id);
- return id;
+ atomic_inc(&bundle->active);
}
/*
- * Release a connection ID for a client connection from the global pool.
+ * Release a connection ID for a client connection.
*/
-static void rxrpc_put_client_connection_id(struct rxrpc_connection *conn)
+static void rxrpc_put_client_connection_id(struct rxrpc_local *local,
+ struct rxrpc_connection *conn)
{
- if (test_bit(RXRPC_CONN_HAS_IDR, &conn->flags)) {
- spin_lock(&rxrpc_conn_id_lock);
- idr_remove(&rxrpc_client_conn_ids,
- conn->proto.cid >> RXRPC_CIDSHIFT);
- spin_unlock(&rxrpc_conn_id_lock);
- }
+ idr_remove(&local->conn_ids, conn->proto.cid >> RXRPC_CIDSHIFT);
}
/*
* Destroy the client connection ID tree.
*/
-void rxrpc_destroy_client_conn_ids(void)
+static void rxrpc_destroy_client_conn_ids(struct rxrpc_local *local)
{
struct rxrpc_connection *conn;
int id;
- if (!idr_is_empty(&rxrpc_client_conn_ids)) {
- idr_for_each_entry(&rxrpc_client_conn_ids, conn, id) {
+ if (!idr_is_empty(&local->conn_ids)) {
+ idr_for_each_entry(&local->conn_ids, conn, id) {
pr_err("AF_RXRPC: Leaked client conn %p {%d}\n",
conn, refcount_read(&conn->ref));
}
BUG();
}
- idr_destroy(&rxrpc_client_conn_ids);
+ idr_destroy(&local->conn_ids);
}
/*
* Allocate a connection bundle.
*/
-static struct rxrpc_bundle *rxrpc_alloc_bundle(struct rxrpc_conn_parameters *cp,
+static struct rxrpc_bundle *rxrpc_alloc_bundle(struct rxrpc_call *call,
gfp_t gfp)
{
struct rxrpc_bundle *bundle;
bundle = kzalloc(sizeof(*bundle), gfp);
if (bundle) {
- bundle->local = cp->local;
- bundle->peer = rxrpc_get_peer(cp->peer, rxrpc_peer_get_bundle);
- bundle->key = cp->key;
- bundle->exclusive = cp->exclusive;
- bundle->upgrade = cp->upgrade;
- bundle->service_id = cp->service_id;
- bundle->security_level = cp->security_level;
+ bundle->local = call->local;
+ bundle->peer = rxrpc_get_peer(call->peer, rxrpc_peer_get_bundle);
+ bundle->key = key_get(call->key);
+ bundle->security = call->security;
+ bundle->exclusive = test_bit(RXRPC_CALL_EXCLUSIVE, &call->flags);
+ bundle->upgrade = test_bit(RXRPC_CALL_UPGRADE, &call->flags);
+ bundle->service_id = call->dest_srx.srx_service;
+ bundle->security_level = call->security_level;
refcount_set(&bundle->ref, 1);
atomic_set(&bundle->active, 1);
- spin_lock_init(&bundle->channel_lock);
INIT_LIST_HEAD(&bundle->waiting_calls);
trace_rxrpc_bundle(bundle->debug_id, 1, rxrpc_bundle_new);
}
@@ -152,84 +107,87 @@ static void rxrpc_free_bundle(struct rxrpc_bundle *bundle)
{
trace_rxrpc_bundle(bundle->debug_id, 1, rxrpc_bundle_free);
rxrpc_put_peer(bundle->peer, rxrpc_peer_put_bundle);
+ key_put(bundle->key);
kfree(bundle);
}
void rxrpc_put_bundle(struct rxrpc_bundle *bundle, enum rxrpc_bundle_trace why)
{
- unsigned int id = bundle->debug_id;
+ unsigned int id;
bool dead;
int r;
- dead = __refcount_dec_and_test(&bundle->ref, &r);
- trace_rxrpc_bundle(id, r - 1, why);
- if (dead)
- rxrpc_free_bundle(bundle);
+ if (bundle) {
+ id = bundle->debug_id;
+ dead = __refcount_dec_and_test(&bundle->ref, &r);
+ trace_rxrpc_bundle(id, r - 1, why);
+ if (dead)
+ rxrpc_free_bundle(bundle);
+ }
+}
+
+/*
+ * Get rid of outstanding client connection preallocations when a local
+ * endpoint is destroyed.
+ */
+void rxrpc_purge_client_connections(struct rxrpc_local *local)
+{
+ rxrpc_destroy_client_conn_ids(local);
}
/*
* Allocate a client connection.
*/
static struct rxrpc_connection *
-rxrpc_alloc_client_connection(struct rxrpc_bundle *bundle, gfp_t gfp)
+rxrpc_alloc_client_connection(struct rxrpc_bundle *bundle)
{
struct rxrpc_connection *conn;
- struct rxrpc_net *rxnet = bundle->local->rxnet;
- int ret;
+ struct rxrpc_local *local = bundle->local;
+ struct rxrpc_net *rxnet = local->rxnet;
+ int id;
_enter("");
- conn = rxrpc_alloc_connection(rxnet, gfp);
- if (!conn) {
- _leave(" = -ENOMEM");
+ conn = rxrpc_alloc_connection(rxnet, GFP_ATOMIC | __GFP_NOWARN);
+ if (!conn)
return ERR_PTR(-ENOMEM);
+
+ id = idr_alloc_cyclic(&local->conn_ids, conn, 1, 0x40000000,
+ GFP_ATOMIC | __GFP_NOWARN);
+ if (id < 0) {
+ kfree(conn);
+ return ERR_PTR(id);
}
refcount_set(&conn->ref, 1);
- conn->bundle = bundle;
- conn->local = bundle->local;
- conn->peer = bundle->peer;
- conn->key = bundle->key;
+ conn->proto.cid = id << RXRPC_CIDSHIFT;
+ conn->proto.epoch = local->rxnet->epoch;
+ conn->out_clientflag = RXRPC_CLIENT_INITIATED;
+ conn->bundle = rxrpc_get_bundle(bundle, rxrpc_bundle_get_client_conn);
+ conn->local = rxrpc_get_local(bundle->local, rxrpc_local_get_client_conn);
+ conn->peer = rxrpc_get_peer(bundle->peer, rxrpc_peer_get_client_conn);
+ conn->key = key_get(bundle->key);
+ conn->security = bundle->security;
conn->exclusive = bundle->exclusive;
conn->upgrade = bundle->upgrade;
conn->orig_service_id = bundle->service_id;
conn->security_level = bundle->security_level;
- conn->out_clientflag = RXRPC_CLIENT_INITIATED;
- conn->state = RXRPC_CONN_CLIENT;
+ conn->state = RXRPC_CONN_CLIENT_UNSECURED;
conn->service_id = conn->orig_service_id;
- ret = rxrpc_get_client_connection_id(conn, gfp);
- if (ret < 0)
- goto error_0;
-
- ret = rxrpc_init_client_conn_security(conn);
- if (ret < 0)
- goto error_1;
+ if (conn->security == &rxrpc_no_security)
+ conn->state = RXRPC_CONN_CLIENT;
atomic_inc(&rxnet->nr_conns);
write_lock(&rxnet->conn_lock);
list_add_tail(&conn->proc_link, &rxnet->conn_proc_list);
write_unlock(&rxnet->conn_lock);
- rxrpc_get_bundle(bundle, rxrpc_bundle_get_client_conn);
- rxrpc_get_peer(conn->peer, rxrpc_peer_get_client_conn);
- rxrpc_get_local(conn->local, rxrpc_local_get_client_conn);
- key_get(conn->key);
-
- trace_rxrpc_conn(conn->debug_id, refcount_read(&conn->ref),
- rxrpc_conn_new_client);
+ rxrpc_see_connection(conn, rxrpc_conn_new_client);
atomic_inc(&rxnet->nr_client_conns);
trace_rxrpc_client(conn, -1, rxrpc_client_alloc);
- _leave(" = %p", conn);
return conn;
-
-error_1:
- rxrpc_put_client_connection_id(conn);
-error_0:
- kfree(conn);
- _leave(" = %d", ret);
- return ERR_PTR(ret);
}
/*
@@ -247,7 +205,8 @@ static bool rxrpc_may_reuse_conn(struct rxrpc_connection *conn)
if (test_bit(RXRPC_CONN_DONT_REUSE, &conn->flags))
goto dont_reuse;
- if (conn->state != RXRPC_CONN_CLIENT ||
+ if ((conn->state != RXRPC_CONN_CLIENT_UNSECURED &&
+ conn->state != RXRPC_CONN_CLIENT) ||
conn->proto.epoch != rxnet->epoch)
goto mark_dont_reuse;
@@ -257,7 +216,7 @@ static bool rxrpc_may_reuse_conn(struct rxrpc_connection *conn)
* times the maximum number of client conns away from the current
* allocation point to try and keep the IDs concentrated.
*/
- id_cursor = idr_get_cursor(&rxrpc_client_conn_ids);
+ id_cursor = idr_get_cursor(&conn->local->conn_ids);
id = conn->proto.cid >> RXRPC_CIDSHIFT;
distance = id - id_cursor;
if (distance < 0)
@@ -278,20 +237,23 @@ dont_reuse:
* Look up the conn bundle that matches the connection parameters, adding it if
* it doesn't yet exist.
*/
-static struct rxrpc_bundle *rxrpc_look_up_bundle(struct rxrpc_conn_parameters *cp,
- gfp_t gfp)
+int rxrpc_look_up_bundle(struct rxrpc_call *call, gfp_t gfp)
{
static atomic_t rxrpc_bundle_id;
struct rxrpc_bundle *bundle, *candidate;
- struct rxrpc_local *local = cp->local;
+ struct rxrpc_local *local = call->local;
struct rb_node *p, **pp, *parent;
long diff;
+ bool upgrade = test_bit(RXRPC_CALL_UPGRADE, &call->flags);
_enter("{%px,%x,%u,%u}",
- cp->peer, key_serial(cp->key), cp->security_level, cp->upgrade);
+ call->peer, key_serial(call->key), call->security_level,
+ upgrade);
- if (cp->exclusive)
- return rxrpc_alloc_bundle(cp, gfp);
+ if (test_bit(RXRPC_CALL_EXCLUSIVE, &call->flags)) {
+ call->bundle = rxrpc_alloc_bundle(call, gfp);
+ return call->bundle ? 0 : -ENOMEM;
+ }
/* First, see if the bundle is already there. */
_debug("search 1");
@@ -300,11 +262,11 @@ static struct rxrpc_bundle *rxrpc_look_up_bundle(struct rxrpc_conn_parameters *c
while (p) {
bundle = rb_entry(p, struct rxrpc_bundle, local_node);
-#define cmp(X) ((long)bundle->X - (long)cp->X)
- diff = (cmp(peer) ?:
- cmp(key) ?:
- cmp(security_level) ?:
- cmp(upgrade));
+#define cmp(X, Y) ((long)(X) - (long)(Y))
+ diff = (cmp(bundle->peer, call->peer) ?:
+ cmp(bundle->key, call->key) ?:
+ cmp(bundle->security_level, call->security_level) ?:
+ cmp(bundle->upgrade, upgrade));
#undef cmp
if (diff < 0)
p = p->rb_left;
@@ -317,9 +279,9 @@ static struct rxrpc_bundle *rxrpc_look_up_bundle(struct rxrpc_conn_parameters *c
_debug("not found");
/* It wasn't. We need to add one. */
- candidate = rxrpc_alloc_bundle(cp, gfp);
+ candidate = rxrpc_alloc_bundle(call, gfp);
if (!candidate)
- return NULL;
+ return -ENOMEM;
_debug("search 2");
spin_lock(&local->client_bundles_lock);
@@ -329,11 +291,11 @@ static struct rxrpc_bundle *rxrpc_look_up_bundle(struct rxrpc_conn_parameters *c
parent = *pp;
bundle = rb_entry(parent, struct rxrpc_bundle, local_node);
-#define cmp(X) ((long)bundle->X - (long)cp->X)
- diff = (cmp(peer) ?:
- cmp(key) ?:
- cmp(security_level) ?:
- cmp(upgrade));
+#define cmp(X, Y) ((long)(X) - (long)(Y))
+ diff = (cmp(bundle->peer, call->peer) ?:
+ cmp(bundle->key, call->key) ?:
+ cmp(bundle->security_level, call->security_level) ?:
+ cmp(bundle->upgrade, upgrade));
#undef cmp
if (diff < 0)
pp = &(*pp)->rb_left;
@@ -347,178 +309,89 @@ static struct rxrpc_bundle *rxrpc_look_up_bundle(struct rxrpc_conn_parameters *c
candidate->debug_id = atomic_inc_return(&rxrpc_bundle_id);
rb_link_node(&candidate->local_node, parent, pp);
rb_insert_color(&candidate->local_node, &local->client_bundles);
- rxrpc_get_bundle(candidate, rxrpc_bundle_get_client_call);
+ call->bundle = rxrpc_get_bundle(candidate, rxrpc_bundle_get_client_call);
spin_unlock(&local->client_bundles_lock);
- _leave(" = %u [new]", candidate->debug_id);
- return candidate;
+ _leave(" = B=%u [new]", call->bundle->debug_id);
+ return 0;
found_bundle_free:
rxrpc_free_bundle(candidate);
found_bundle:
- rxrpc_get_bundle(bundle, rxrpc_bundle_get_client_call);
- atomic_inc(&bundle->active);
+ call->bundle = rxrpc_get_bundle(bundle, rxrpc_bundle_get_client_call);
+ rxrpc_activate_bundle(bundle);
spin_unlock(&local->client_bundles_lock);
- _leave(" = %u [found]", bundle->debug_id);
- return bundle;
-}
-
-/*
- * Create or find a client bundle to use for a call.
- *
- * If we return with a connection, the call will be on its waiting list. It's
- * left to the caller to assign a channel and wake up the call.
- */
-static struct rxrpc_bundle *rxrpc_prep_call(struct rxrpc_sock *rx,
- struct rxrpc_call *call,
- struct rxrpc_conn_parameters *cp,
- struct sockaddr_rxrpc *srx,
- gfp_t gfp)
-{
- struct rxrpc_bundle *bundle;
-
- _enter("{%d,%lx},", call->debug_id, call->user_call_ID);
-
- cp->peer = rxrpc_lookup_peer(rx, cp->local, srx, gfp);
- if (!cp->peer)
- goto error;
-
- call->tx_last_sent = ktime_get_real();
- call->cong_ssthresh = cp->peer->cong_ssthresh;
- if (call->cong_cwnd >= call->cong_ssthresh)
- call->cong_mode = RXRPC_CALL_CONGEST_AVOIDANCE;
- else
- call->cong_mode = RXRPC_CALL_SLOW_START;
- if (cp->upgrade)
- __set_bit(RXRPC_CALL_UPGRADE, &call->flags);
-
- /* Find the client connection bundle. */
- bundle = rxrpc_look_up_bundle(cp, gfp);
- if (!bundle)
- goto error;
-
- /* Get this call queued. Someone else may activate it whilst we're
- * lining up a new connection, but that's fine.
- */
- spin_lock(&bundle->channel_lock);
- list_add_tail(&call->chan_wait_link, &bundle->waiting_calls);
- spin_unlock(&bundle->channel_lock);
-
- _leave(" = [B=%x]", bundle->debug_id);
- return bundle;
-
-error:
- _leave(" = -ENOMEM");
- return ERR_PTR(-ENOMEM);
+ _leave(" = B=%u [found]", call->bundle->debug_id);
+ return 0;
}
/*
* Allocate a new connection and add it into a bundle.
*/
-static void rxrpc_add_conn_to_bundle(struct rxrpc_bundle *bundle, gfp_t gfp)
- __releases(bundle->channel_lock)
+static bool rxrpc_add_conn_to_bundle(struct rxrpc_bundle *bundle,
+ unsigned int slot)
{
- struct rxrpc_connection *candidate = NULL, *old = NULL;
- bool conflict;
- int i;
-
- _enter("");
-
- conflict = bundle->alloc_conn;
- if (!conflict)
- bundle->alloc_conn = true;
- spin_unlock(&bundle->channel_lock);
- if (conflict) {
- _leave(" [conf]");
- return;
- }
-
- candidate = rxrpc_alloc_client_connection(bundle, gfp);
-
- spin_lock(&bundle->channel_lock);
- bundle->alloc_conn = false;
-
- if (IS_ERR(candidate)) {
- bundle->alloc_error = PTR_ERR(candidate);
- spin_unlock(&bundle->channel_lock);
- _leave(" [err %ld]", PTR_ERR(candidate));
- return;
- }
-
- bundle->alloc_error = 0;
-
- for (i = 0; i < ARRAY_SIZE(bundle->conns); i++) {
- unsigned int shift = i * RXRPC_MAXCALLS;
- int j;
-
- old = bundle->conns[i];
- if (!rxrpc_may_reuse_conn(old)) {
- if (old)
- trace_rxrpc_client(old, -1, rxrpc_client_replace);
- candidate->bundle_shift = shift;
- atomic_inc(&bundle->active);
- bundle->conns[i] = candidate;
- for (j = 0; j < RXRPC_MAXCALLS; j++)
- set_bit(shift + j, &bundle->avail_chans);
- candidate = NULL;
- break;
- }
+ struct rxrpc_connection *conn, *old;
+ unsigned int shift = slot * RXRPC_MAXCALLS;
+ unsigned int i;
- old = NULL;
+ old = bundle->conns[slot];
+ if (old) {
+ bundle->conns[slot] = NULL;
+ trace_rxrpc_client(old, -1, rxrpc_client_replace);
+ rxrpc_put_connection(old, rxrpc_conn_put_noreuse);
}
- spin_unlock(&bundle->channel_lock);
-
- if (candidate) {
- _debug("discard C=%x", candidate->debug_id);
- trace_rxrpc_client(candidate, -1, rxrpc_client_duplicate);
- rxrpc_put_connection(candidate, rxrpc_conn_put_discard);
+ conn = rxrpc_alloc_client_connection(bundle);
+ if (IS_ERR(conn)) {
+ bundle->alloc_error = PTR_ERR(conn);
+ return false;
}
- rxrpc_put_connection(old, rxrpc_conn_put_noreuse);
- _leave("");
+ rxrpc_activate_bundle(bundle);
+ conn->bundle_shift = shift;
+ bundle->conns[slot] = conn;
+ for (i = 0; i < RXRPC_MAXCALLS; i++)
+ set_bit(shift + i, &bundle->avail_chans);
+ return true;
}
/*
* Add a connection to a bundle if there are no usable connections or we have
* connections waiting for extra capacity.
*/
-static void rxrpc_maybe_add_conn(struct rxrpc_bundle *bundle, gfp_t gfp)
+static bool rxrpc_bundle_has_space(struct rxrpc_bundle *bundle)
{
- struct rxrpc_call *call;
- int i, usable;
+ int slot = -1, i, usable;
_enter("");
- spin_lock(&bundle->channel_lock);
+ bundle->alloc_error = 0;
/* See if there are any usable connections. */
usable = 0;
- for (i = 0; i < ARRAY_SIZE(bundle->conns); i++)
+ for (i = 0; i < ARRAY_SIZE(bundle->conns); i++) {
if (rxrpc_may_reuse_conn(bundle->conns[i]))
usable++;
-
- if (!usable && !list_empty(&bundle->waiting_calls)) {
- call = list_first_entry(&bundle->waiting_calls,
- struct rxrpc_call, chan_wait_link);
- if (test_bit(RXRPC_CALL_UPGRADE, &call->flags))
- bundle->try_upgrade = true;
+ else if (slot == -1)
+ slot = i;
}
+ if (!usable && bundle->upgrade)
+ bundle->try_upgrade = true;
+
if (!usable)
goto alloc_conn;
if (!bundle->avail_chans &&
!bundle->try_upgrade &&
- !list_empty(&bundle->waiting_calls) &&
usable < ARRAY_SIZE(bundle->conns))
goto alloc_conn;
- spin_unlock(&bundle->channel_lock);
_leave("");
- return;
+ return usable;
alloc_conn:
- return rxrpc_add_conn_to_bundle(bundle, gfp);
+ return slot >= 0 ? rxrpc_add_conn_to_bundle(bundle, slot) : false;
}
/*
@@ -532,11 +405,13 @@ static void rxrpc_activate_one_channel(struct rxrpc_connection *conn,
struct rxrpc_channel *chan = &conn->channels[channel];
struct rxrpc_bundle *bundle = conn->bundle;
struct rxrpc_call *call = list_entry(bundle->waiting_calls.next,
- struct rxrpc_call, chan_wait_link);
+ struct rxrpc_call, wait_link);
u32 call_id = chan->call_counter + 1;
_enter("C=%x,%u", conn->debug_id, channel);
+ list_del_init(&call->wait_link);
+
trace_rxrpc_client(conn, channel, rxrpc_client_chan_activate);
/* Cancel the final ACK on the previous call if it hasn't been sent yet
@@ -546,68 +421,50 @@ static void rxrpc_activate_one_channel(struct rxrpc_connection *conn,
clear_bit(conn->bundle_shift + channel, &bundle->avail_chans);
rxrpc_see_call(call, rxrpc_call_see_activate_client);
- list_del_init(&call->chan_wait_link);
- call->peer = rxrpc_get_peer(conn->peer, rxrpc_peer_get_activate_call);
call->conn = rxrpc_get_connection(conn, rxrpc_conn_get_activate_call);
call->cid = conn->proto.cid | channel;
call->call_id = call_id;
call->dest_srx.srx_service = conn->service_id;
-
- trace_rxrpc_connect_call(call);
-
- write_lock(&call->state_lock);
- call->state = RXRPC_CALL_CLIENT_SEND_REQUEST;
- write_unlock(&call->state_lock);
-
- /* Paired with the read barrier in rxrpc_connect_call(). This orders
- * cid and epoch in the connection wrt to call_id without the need to
- * take the channel_lock.
- *
- * We provisionally assign a callNumber at this point, but we don't
- * confirm it until the call is about to be exposed.
- *
- * TODO: Pair with a barrier in the data_ready handler when that looks
- * at the call ID through a connection channel.
- */
- smp_wmb();
+ call->cong_ssthresh = call->peer->cong_ssthresh;
+ if (call->cong_cwnd >= call->cong_ssthresh)
+ call->cong_mode = RXRPC_CALL_CONGEST_AVOIDANCE;
+ else
+ call->cong_mode = RXRPC_CALL_SLOW_START;
chan->call_id = call_id;
chan->call_debug_id = call->debug_id;
- rcu_assign_pointer(chan->call, call);
+ chan->call = call;
+
+ rxrpc_see_call(call, rxrpc_call_see_connected);
+ trace_rxrpc_connect_call(call);
+ call->tx_last_sent = ktime_get_real();
+ rxrpc_start_call_timer(call);
+ rxrpc_set_call_state(call, RXRPC_CALL_CLIENT_SEND_REQUEST);
wake_up(&call->waitq);
}
/*
* Remove a connection from the idle list if it's on it.
*/
-static void rxrpc_unidle_conn(struct rxrpc_bundle *bundle, struct rxrpc_connection *conn)
+static void rxrpc_unidle_conn(struct rxrpc_connection *conn)
{
- struct rxrpc_net *rxnet = bundle->local->rxnet;
- bool drop_ref;
-
if (!list_empty(&conn->cache_link)) {
- drop_ref = false;
- spin_lock(&rxnet->client_conn_cache_lock);
- if (!list_empty(&conn->cache_link)) {
- list_del_init(&conn->cache_link);
- drop_ref = true;
- }
- spin_unlock(&rxnet->client_conn_cache_lock);
- if (drop_ref)
- rxrpc_put_connection(conn, rxrpc_conn_put_unidle);
+ list_del_init(&conn->cache_link);
+ rxrpc_put_connection(conn, rxrpc_conn_put_unidle);
}
}
/*
- * Assign channels and callNumbers to waiting calls with channel_lock
- * held by caller.
+ * Assign channels and callNumbers to waiting calls.
*/
-static void rxrpc_activate_channels_locked(struct rxrpc_bundle *bundle)
+static void rxrpc_activate_channels(struct rxrpc_bundle *bundle)
{
struct rxrpc_connection *conn;
unsigned long avail, mask;
unsigned int channel, slot;
+ trace_rxrpc_client(NULL, -1, rxrpc_client_activate_chans);
+
if (bundle->try_upgrade)
mask = 1;
else
@@ -627,7 +484,7 @@ static void rxrpc_activate_channels_locked(struct rxrpc_bundle *bundle)
if (bundle->try_upgrade)
set_bit(RXRPC_CONN_PROBING_FOR_UPGRADE, &conn->flags);
- rxrpc_unidle_conn(bundle, conn);
+ rxrpc_unidle_conn(conn);
channel &= (RXRPC_MAXCALLS - 1);
conn->act_chans |= 1 << channel;
@@ -636,132 +493,24 @@ static void rxrpc_activate_channels_locked(struct rxrpc_bundle *bundle)
}
/*
- * Assign channels and callNumbers to waiting calls.
- */
-static void rxrpc_activate_channels(struct rxrpc_bundle *bundle)
-{
- _enter("B=%x", bundle->debug_id);
-
- trace_rxrpc_client(NULL, -1, rxrpc_client_activate_chans);
-
- if (!bundle->avail_chans)
- return;
-
- spin_lock(&bundle->channel_lock);
- rxrpc_activate_channels_locked(bundle);
- spin_unlock(&bundle->channel_lock);
- _leave("");
-}
-
-/*
- * Wait for a callNumber and a channel to be granted to a call.
- */
-static int rxrpc_wait_for_channel(struct rxrpc_bundle *bundle,
- struct rxrpc_call *call, gfp_t gfp)
-{
- DECLARE_WAITQUEUE(myself, current);
- int ret = 0;
-
- _enter("%d", call->debug_id);
-
- if (!gfpflags_allow_blocking(gfp)) {
- rxrpc_maybe_add_conn(bundle, gfp);
- rxrpc_activate_channels(bundle);
- ret = bundle->alloc_error ?: -EAGAIN;
- goto out;
- }
-
- add_wait_queue_exclusive(&call->waitq, &myself);
- for (;;) {
- rxrpc_maybe_add_conn(bundle, gfp);
- rxrpc_activate_channels(bundle);
- ret = bundle->alloc_error;
- if (ret < 0)
- break;
-
- switch (call->interruptibility) {
- case RXRPC_INTERRUPTIBLE:
- case RXRPC_PREINTERRUPTIBLE:
- set_current_state(TASK_INTERRUPTIBLE);
- break;
- case RXRPC_UNINTERRUPTIBLE:
- default:
- set_current_state(TASK_UNINTERRUPTIBLE);
- break;
- }
- if (READ_ONCE(call->state) != RXRPC_CALL_CLIENT_AWAIT_CONN)
- break;
- if ((call->interruptibility == RXRPC_INTERRUPTIBLE ||
- call->interruptibility == RXRPC_PREINTERRUPTIBLE) &&
- signal_pending(current)) {
- ret = -ERESTARTSYS;
- break;
- }
- schedule();
- }
- remove_wait_queue(&call->waitq, &myself);
- __set_current_state(TASK_RUNNING);
-
-out:
- _leave(" = %d", ret);
- return ret;
-}
-
-/*
- * find a connection for a call
- * - called in process context with IRQs enabled
+ * Connect waiting channels (called from the I/O thread).
*/
-int rxrpc_connect_call(struct rxrpc_sock *rx,
- struct rxrpc_call *call,
- struct rxrpc_conn_parameters *cp,
- struct sockaddr_rxrpc *srx,
- gfp_t gfp)
+void rxrpc_connect_client_calls(struct rxrpc_local *local)
{
- struct rxrpc_bundle *bundle;
- struct rxrpc_net *rxnet = cp->local->rxnet;
- int ret = 0;
-
- _enter("{%d,%lx},", call->debug_id, call->user_call_ID);
-
- rxrpc_discard_expired_client_conns(&rxnet->client_conn_reaper);
+ struct rxrpc_call *call;
- bundle = rxrpc_prep_call(rx, call, cp, srx, gfp);
- if (IS_ERR(bundle)) {
- ret = PTR_ERR(bundle);
- goto out;
- }
+ while ((call = list_first_entry_or_null(&local->new_client_calls,
+ struct rxrpc_call, wait_link))
+ ) {
+ struct rxrpc_bundle *bundle = call->bundle;
- if (call->state == RXRPC_CALL_CLIENT_AWAIT_CONN) {
- ret = rxrpc_wait_for_channel(bundle, call, gfp);
- if (ret < 0)
- goto wait_failed;
- }
+ spin_lock(&local->client_call_lock);
+ list_move_tail(&call->wait_link, &bundle->waiting_calls);
+ spin_unlock(&local->client_call_lock);
-granted_channel:
- /* Paired with the write barrier in rxrpc_activate_one_channel(). */
- smp_rmb();
-
-out_put_bundle:
- rxrpc_deactivate_bundle(bundle);
- rxrpc_put_bundle(bundle, rxrpc_bundle_get_client_call);
-out:
- _leave(" = %d", ret);
- return ret;
-
-wait_failed:
- spin_lock(&bundle->channel_lock);
- list_del_init(&call->chan_wait_link);
- spin_unlock(&bundle->channel_lock);
-
- if (call->state != RXRPC_CALL_CLIENT_AWAIT_CONN) {
- ret = 0;
- goto granted_channel;
+ if (rxrpc_bundle_has_space(bundle))
+ rxrpc_activate_channels(bundle);
}
-
- trace_rxrpc_client(call->conn, ret, rxrpc_client_chan_wait_failed);
- rxrpc_set_call_completion(call, RXRPC_CALL_LOCAL_ERROR, 0, ret);
- rxrpc_disconnect_client_call(bundle, call);
- goto out_put_bundle;
}
/*
@@ -794,14 +543,14 @@ void rxrpc_expose_client_call(struct rxrpc_call *call)
/*
* Set the reap timer.
*/
-static void rxrpc_set_client_reap_timer(struct rxrpc_net *rxnet)
+static void rxrpc_set_client_reap_timer(struct rxrpc_local *local)
{
- if (!rxnet->kill_all_client_conns) {
+ if (!local->kill_all_client_conns) {
unsigned long now = jiffies;
unsigned long reap_at = now + rxrpc_conn_idle_client_expiry;
- if (rxnet->live)
- timer_reduce(&rxnet->client_conn_reap_timer, reap_at);
+ if (local->rxnet->live)
+ timer_reduce(&local->client_conn_reap_timer, reap_at);
}
}
@@ -812,16 +561,13 @@ void rxrpc_disconnect_client_call(struct rxrpc_bundle *bundle, struct rxrpc_call
{
struct rxrpc_connection *conn;
struct rxrpc_channel *chan = NULL;
- struct rxrpc_net *rxnet = bundle->local->rxnet;
+ struct rxrpc_local *local = bundle->local;
unsigned int channel;
bool may_reuse;
u32 cid;
_enter("c=%x", call->debug_id);
- spin_lock(&bundle->channel_lock);
- set_bit(RXRPC_CALL_DISCONNECTED, &call->flags);
-
/* Calls that have never actually been assigned a channel can simply be
* discarded.
*/
@@ -830,8 +576,8 @@ void rxrpc_disconnect_client_call(struct rxrpc_bundle *bundle, struct rxrpc_call
_debug("call is waiting");
ASSERTCMP(call->call_id, ==, 0);
ASSERT(!test_bit(RXRPC_CALL_EXPOSED, &call->flags));
- list_del_init(&call->chan_wait_link);
- goto out;
+ list_del_init(&call->wait_link);
+ return;
}
cid = call->cid;
@@ -839,10 +585,8 @@ void rxrpc_disconnect_client_call(struct rxrpc_bundle *bundle, struct rxrpc_call
chan = &conn->channels[channel];
trace_rxrpc_client(conn, channel, rxrpc_client_chan_disconnect);
- if (rcu_access_pointer(chan->call) != call) {
- spin_unlock(&bundle->channel_lock);
- BUG();
- }
+ if (WARN_ON(chan->call != call))
+ return;
may_reuse = rxrpc_may_reuse_conn(conn);
@@ -863,16 +607,15 @@ void rxrpc_disconnect_client_call(struct rxrpc_bundle *bundle, struct rxrpc_call
trace_rxrpc_client(conn, channel, rxrpc_client_to_active);
bundle->try_upgrade = false;
if (may_reuse)
- rxrpc_activate_channels_locked(bundle);
+ rxrpc_activate_channels(bundle);
}
-
}
/* See if we can pass the channel directly to another call. */
if (may_reuse && !list_empty(&bundle->waiting_calls)) {
trace_rxrpc_client(conn, channel, rxrpc_client_chan_pass);
rxrpc_activate_one_channel(conn, channel);
- goto out;
+ return;
}
/* Schedule the final ACK to be transmitted in a short while so that it
@@ -890,7 +633,7 @@ void rxrpc_disconnect_client_call(struct rxrpc_bundle *bundle, struct rxrpc_call
}
/* Deactivate the channel. */
- rcu_assign_pointer(chan->call, NULL);
+ chan->call = NULL;
set_bit(conn->bundle_shift + channel, &conn->bundle->avail_chans);
conn->act_chans &= ~(1 << channel);
@@ -903,17 +646,10 @@ void rxrpc_disconnect_client_call(struct rxrpc_bundle *bundle, struct rxrpc_call
conn->idle_timestamp = jiffies;
rxrpc_get_connection(conn, rxrpc_conn_get_idle);
- spin_lock(&rxnet->client_conn_cache_lock);
- list_move_tail(&conn->cache_link, &rxnet->idle_client_conns);
- spin_unlock(&rxnet->client_conn_cache_lock);
+ list_move_tail(&conn->cache_link, &local->idle_client_conns);
- rxrpc_set_client_reap_timer(rxnet);
+ rxrpc_set_client_reap_timer(local);
}
-
-out:
- spin_unlock(&bundle->channel_lock);
- _leave("");
- return;
}
/*
@@ -923,7 +659,6 @@ static void rxrpc_unbundle_conn(struct rxrpc_connection *conn)
{
struct rxrpc_bundle *bundle = conn->bundle;
unsigned int bindex;
- bool need_drop = false;
int i;
_enter("C=%x", conn->debug_id);
@@ -931,18 +666,13 @@ static void rxrpc_unbundle_conn(struct rxrpc_connection *conn)
if (conn->flags & RXRPC_CONN_FINAL_ACK_MASK)
rxrpc_process_delayed_final_acks(conn, true);
- spin_lock(&bundle->channel_lock);
bindex = conn->bundle_shift / RXRPC_MAXCALLS;
if (bundle->conns[bindex] == conn) {
_debug("clear slot %u", bindex);
bundle->conns[bindex] = NULL;
for (i = 0; i < RXRPC_MAXCALLS; i++)
clear_bit(conn->bundle_shift + i, &bundle->avail_chans);
- need_drop = true;
- }
- spin_unlock(&bundle->channel_lock);
-
- if (need_drop) {
+ rxrpc_put_client_connection_id(bundle->local, conn);
rxrpc_deactivate_bundle(bundle);
rxrpc_put_connection(conn, rxrpc_conn_put_unbundle);
}
@@ -951,11 +681,15 @@ static void rxrpc_unbundle_conn(struct rxrpc_connection *conn)
/*
* Drop the active count on a bundle.
*/
-static void rxrpc_deactivate_bundle(struct rxrpc_bundle *bundle)
+void rxrpc_deactivate_bundle(struct rxrpc_bundle *bundle)
{
- struct rxrpc_local *local = bundle->local;
+ struct rxrpc_local *local;
bool need_put = false;
+ if (!bundle)
+ return;
+
+ local = bundle->local;
if (atomic_dec_and_lock(&bundle->active, &local->client_bundles_lock)) {
if (!bundle->exclusive) {
_debug("erase bundle");
@@ -982,7 +716,7 @@ void rxrpc_kill_client_conn(struct rxrpc_connection *conn)
trace_rxrpc_client(conn, -1, rxrpc_client_cleanup);
atomic_dec(&rxnet->nr_client_conns);
- rxrpc_put_client_connection_id(conn);
+ rxrpc_put_client_connection_id(local, conn);
}
/*
@@ -992,42 +726,26 @@ void rxrpc_kill_client_conn(struct rxrpc_connection *conn)
* This may be called from conn setup or from a work item so cannot be
* considered non-reentrant.
*/
-void rxrpc_discard_expired_client_conns(struct work_struct *work)
+void rxrpc_discard_expired_client_conns(struct rxrpc_local *local)
{
struct rxrpc_connection *conn;
- struct rxrpc_net *rxnet =
- container_of(work, struct rxrpc_net, client_conn_reaper);
unsigned long expiry, conn_expires_at, now;
unsigned int nr_conns;
_enter("");
- if (list_empty(&rxnet->idle_client_conns)) {
- _leave(" [empty]");
- return;
- }
-
- /* Don't double up on the discarding */
- if (!mutex_trylock(&rxnet->client_conn_discard_lock)) {
- _leave(" [already]");
- return;
- }
-
/* We keep an estimate of what the number of conns ought to be after
* we've discarded some so that we don't overdo the discarding.
*/
- nr_conns = atomic_read(&rxnet->nr_client_conns);
+ nr_conns = atomic_read(&local->rxnet->nr_client_conns);
next:
- spin_lock(&rxnet->client_conn_cache_lock);
-
- if (list_empty(&rxnet->idle_client_conns))
- goto out;
-
- conn = list_entry(rxnet->idle_client_conns.next,
- struct rxrpc_connection, cache_link);
+ conn = list_first_entry_or_null(&local->idle_client_conns,
+ struct rxrpc_connection, cache_link);
+ if (!conn)
+ return;
- if (!rxnet->kill_all_client_conns) {
+ if (!local->kill_all_client_conns) {
/* If the number of connections is over the reap limit, we
* expedite discard by reducing the expiry timeout. We must,
* however, have at least a short grace period to be able to do
@@ -1050,8 +768,6 @@ next:
trace_rxrpc_client(conn, -1, rxrpc_client_discard);
list_del_init(&conn->cache_link);
- spin_unlock(&rxnet->client_conn_cache_lock);
-
rxrpc_unbundle_conn(conn);
/* Drop the ->cache_link ref */
rxrpc_put_connection(conn, rxrpc_conn_put_discard_idle);
@@ -1068,31 +784,8 @@ not_yet_expired:
* then things get messier.
*/
_debug("not yet");
- if (!rxnet->kill_all_client_conns)
- timer_reduce(&rxnet->client_conn_reap_timer, conn_expires_at);
-
-out:
- spin_unlock(&rxnet->client_conn_cache_lock);
- mutex_unlock(&rxnet->client_conn_discard_lock);
- _leave("");
-}
-
-/*
- * Preemptively destroy all the client connection records rather than waiting
- * for them to time out
- */
-void rxrpc_destroy_all_client_connections(struct rxrpc_net *rxnet)
-{
- _enter("");
-
- spin_lock(&rxnet->client_conn_cache_lock);
- rxnet->kill_all_client_conns = true;
- spin_unlock(&rxnet->client_conn_cache_lock);
-
- del_timer_sync(&rxnet->client_conn_reap_timer);
-
- if (!rxrpc_queue_work(&rxnet->client_conn_reaper))
- _debug("destroy: queue failed");
+ if (!local->kill_all_client_conns)
+ timer_reduce(&local->client_conn_reap_timer, conn_expires_at);
_leave("");
}
@@ -1102,29 +795,19 @@ void rxrpc_destroy_all_client_connections(struct rxrpc_net *rxnet)
*/
void rxrpc_clean_up_local_conns(struct rxrpc_local *local)
{
- struct rxrpc_connection *conn, *tmp;
- struct rxrpc_net *rxnet = local->rxnet;
- LIST_HEAD(graveyard);
+ struct rxrpc_connection *conn;
_enter("");
- spin_lock(&rxnet->client_conn_cache_lock);
-
- list_for_each_entry_safe(conn, tmp, &rxnet->idle_client_conns,
- cache_link) {
- if (conn->local == local) {
- atomic_dec(&conn->active);
- trace_rxrpc_client(conn, -1, rxrpc_client_discard);
- list_move(&conn->cache_link, &graveyard);
- }
- }
+ local->kill_all_client_conns = true;
- spin_unlock(&rxnet->client_conn_cache_lock);
+ del_timer_sync(&local->client_conn_reap_timer);
- while (!list_empty(&graveyard)) {
- conn = list_entry(graveyard.next,
- struct rxrpc_connection, cache_link);
+ while ((conn = list_first_entry_or_null(&local->idle_client_conns,
+ struct rxrpc_connection, cache_link))) {
list_del_init(&conn->cache_link);
+ atomic_dec(&conn->active);
+ trace_rxrpc_client(conn, -1, rxrpc_client_discard);
rxrpc_unbundle_conn(conn);
rxrpc_put_connection(conn, rxrpc_conn_put_local_dead);
}
diff --git a/net/rxrpc/conn_event.c b/net/rxrpc/conn_event.c
index 480364bcbf85..44414e724415 100644
--- a/net/rxrpc/conn_event.c
+++ b/net/rxrpc/conn_event.c
@@ -17,11 +17,65 @@
#include "ar-internal.h"
/*
+ * Set the completion state on an aborted connection.
+ */
+static bool rxrpc_set_conn_aborted(struct rxrpc_connection *conn, struct sk_buff *skb,
+ s32 abort_code, int err,
+ enum rxrpc_call_completion compl)
+{
+ bool aborted = false;
+
+ if (conn->state != RXRPC_CONN_ABORTED) {
+ spin_lock(&conn->state_lock);
+ if (conn->state != RXRPC_CONN_ABORTED) {
+ conn->abort_code = abort_code;
+ conn->error = err;
+ conn->completion = compl;
+ /* Order the abort info before the state change. */
+ smp_store_release(&conn->state, RXRPC_CONN_ABORTED);
+ set_bit(RXRPC_CONN_DONT_REUSE, &conn->flags);
+ set_bit(RXRPC_CONN_EV_ABORT_CALLS, &conn->events);
+ aborted = true;
+ }
+ spin_unlock(&conn->state_lock);
+ }
+
+ return aborted;
+}
+
+/*
+ * Mark a socket buffer to indicate that the connection it's on should be aborted.
+ */
+int rxrpc_abort_conn(struct rxrpc_connection *conn, struct sk_buff *skb,
+ s32 abort_code, int err, enum rxrpc_abort_reason why)
+{
+ struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
+
+ if (rxrpc_set_conn_aborted(conn, skb, abort_code, err,
+ RXRPC_CALL_LOCALLY_ABORTED)) {
+ trace_rxrpc_abort(0, why, sp->hdr.cid, sp->hdr.callNumber,
+ sp->hdr.seq, abort_code, err);
+ rxrpc_poke_conn(conn, rxrpc_conn_get_poke_abort);
+ }
+ return -EPROTO;
+}
+
+/*
+ * Mark a connection as being remotely aborted.
+ */
+static bool rxrpc_input_conn_abort(struct rxrpc_connection *conn,
+ struct sk_buff *skb)
+{
+ return rxrpc_set_conn_aborted(conn, skb, skb->priority, -ECONNABORTED,
+ RXRPC_CALL_REMOTELY_ABORTED);
+}
+
+/*
* Retransmit terminal ACK or ABORT of the previous call.
*/
-static void rxrpc_conn_retransmit_call(struct rxrpc_connection *conn,
- struct sk_buff *skb,
- unsigned int channel)
+void rxrpc_conn_retransmit_call(struct rxrpc_connection *conn,
+ struct sk_buff *skb,
+ unsigned int channel)
{
struct rxrpc_skb_priv *sp = skb ? rxrpc_skb(skb) : NULL;
struct rxrpc_channel *chan;
@@ -46,9 +100,7 @@ static void rxrpc_conn_retransmit_call(struct rxrpc_connection *conn,
/* If the last call got moved on whilst we were waiting to run, just
* ignore this packet.
*/
- call_id = READ_ONCE(chan->last_call);
- /* Sync with __rxrpc_disconnect_call() */
- smp_rmb();
+ call_id = chan->last_call;
if (skb && call_id != sp->hdr.callNumber)
return;
@@ -65,9 +117,12 @@ static void rxrpc_conn_retransmit_call(struct rxrpc_connection *conn,
iov[2].iov_base = &ack_info;
iov[2].iov_len = sizeof(ack_info);
+ serial = atomic_inc_return(&conn->serial);
+
pkt.whdr.epoch = htonl(conn->proto.epoch);
pkt.whdr.cid = htonl(conn->proto.cid | channel);
pkt.whdr.callNumber = htonl(call_id);
+ pkt.whdr.serial = htonl(serial);
pkt.whdr.seq = 0;
pkt.whdr.type = chan->last_type;
pkt.whdr.flags = conn->out_clientflag;
@@ -104,31 +159,15 @@ static void rxrpc_conn_retransmit_call(struct rxrpc_connection *conn,
iov[0].iov_len += sizeof(pkt.ack);
len += sizeof(pkt.ack) + 3 + sizeof(ack_info);
ioc = 3;
- break;
-
- default:
- return;
- }
-
- /* Resync with __rxrpc_disconnect_call() and check that the last call
- * didn't get advanced whilst we were filling out the packets.
- */
- smp_rmb();
- if (READ_ONCE(chan->last_call) != call_id)
- return;
-
- serial = atomic_inc_return(&conn->serial);
- pkt.whdr.serial = htonl(serial);
- switch (chan->last_type) {
- case RXRPC_PACKET_TYPE_ABORT:
- break;
- case RXRPC_PACKET_TYPE_ACK:
trace_rxrpc_tx_ack(chan->call_debug_id, serial,
ntohl(pkt.ack.firstPacket),
ntohl(pkt.ack.serial),
pkt.ack.reason, 0);
break;
+
+ default:
+ return;
}
ret = kernel_sendmsg(conn->local->socket, &msg, iov, ioc, len);
@@ -146,131 +185,34 @@ static void rxrpc_conn_retransmit_call(struct rxrpc_connection *conn,
/*
* pass a connection-level abort onto all calls on that connection
*/
-static void rxrpc_abort_calls(struct rxrpc_connection *conn,
- enum rxrpc_call_completion compl,
- rxrpc_serial_t serial)
+static void rxrpc_abort_calls(struct rxrpc_connection *conn)
{
struct rxrpc_call *call;
int i;
_enter("{%d},%x", conn->debug_id, conn->abort_code);
- spin_lock(&conn->bundle->channel_lock);
-
for (i = 0; i < RXRPC_MAXCALLS; i++) {
- call = rcu_dereference_protected(
- conn->channels[i].call,
- lockdep_is_held(&conn->bundle->channel_lock));
- if (call) {
- if (compl == RXRPC_CALL_LOCALLY_ABORTED)
- trace_rxrpc_abort(call->debug_id,
- "CON", call->cid,
- call->call_id, 0,
+ call = conn->channels[i].call;
+ if (call)
+ rxrpc_set_call_completion(call,
+ conn->completion,
conn->abort_code,
conn->error);
- else
- trace_rxrpc_rx_abort(call, serial,
- conn->abort_code);
- rxrpc_set_call_completion(call, compl,
- conn->abort_code,
- conn->error);
- }
}
- spin_unlock(&conn->bundle->channel_lock);
_leave("");
}
/*
- * generate a connection-level abort
- */
-static int rxrpc_abort_connection(struct rxrpc_connection *conn,
- int error, u32 abort_code)
-{
- struct rxrpc_wire_header whdr;
- struct msghdr msg;
- struct kvec iov[2];
- __be32 word;
- size_t len;
- u32 serial;
- int ret;
-
- _enter("%d,,%u,%u", conn->debug_id, error, abort_code);
-
- /* generate a connection-level abort */
- spin_lock(&conn->state_lock);
- if (conn->state >= RXRPC_CONN_REMOTELY_ABORTED) {
- spin_unlock(&conn->state_lock);
- _leave(" = 0 [already dead]");
- return 0;
- }
-
- conn->error = error;
- conn->abort_code = abort_code;
- conn->state = RXRPC_CONN_LOCALLY_ABORTED;
- set_bit(RXRPC_CONN_DONT_REUSE, &conn->flags);
- spin_unlock(&conn->state_lock);
-
- msg.msg_name = &conn->peer->srx.transport;
- msg.msg_namelen = conn->peer->srx.transport_len;
- msg.msg_control = NULL;
- msg.msg_controllen = 0;
- msg.msg_flags = 0;
-
- whdr.epoch = htonl(conn->proto.epoch);
- whdr.cid = htonl(conn->proto.cid);
- whdr.callNumber = 0;
- whdr.seq = 0;
- whdr.type = RXRPC_PACKET_TYPE_ABORT;
- whdr.flags = conn->out_clientflag;
- whdr.userStatus = 0;
- whdr.securityIndex = conn->security_ix;
- whdr._rsvd = 0;
- whdr.serviceId = htons(conn->service_id);
-
- word = htonl(conn->abort_code);
-
- iov[0].iov_base = &whdr;
- iov[0].iov_len = sizeof(whdr);
- iov[1].iov_base = &word;
- iov[1].iov_len = sizeof(word);
-
- len = iov[0].iov_len + iov[1].iov_len;
-
- serial = atomic_inc_return(&conn->serial);
- rxrpc_abort_calls(conn, RXRPC_CALL_LOCALLY_ABORTED, serial);
- whdr.serial = htonl(serial);
-
- ret = kernel_sendmsg(conn->local->socket, &msg, iov, 2, len);
- if (ret < 0) {
- trace_rxrpc_tx_fail(conn->debug_id, serial, ret,
- rxrpc_tx_point_conn_abort);
- _debug("sendmsg failed: %d", ret);
- return -EAGAIN;
- }
-
- trace_rxrpc_tx_packet(conn->debug_id, &whdr, rxrpc_tx_point_conn_abort);
-
- conn->peer->last_tx_at = ktime_get_seconds();
-
- _leave(" = 0");
- return 0;
-}
-
-/*
* mark a call as being on a now-secured channel
* - must be called with BH's disabled.
*/
static void rxrpc_call_is_secure(struct rxrpc_call *call)
{
- _enter("%p", call);
- if (call) {
- write_lock(&call->state_lock);
- if (call->state == RXRPC_CALL_SERVER_SECURING) {
- call->state = RXRPC_CALL_SERVER_RECV_REQUEST;
- rxrpc_notify_socket(call);
- }
- write_unlock(&call->state_lock);
+ if (call && __rxrpc_call_state(call) == RXRPC_CALL_SERVER_SECURING) {
+ rxrpc_set_call_state(call, RXRPC_CALL_SERVER_RECV_REQUEST);
+ rxrpc_notify_socket(call);
}
}
@@ -278,44 +220,22 @@ static void rxrpc_call_is_secure(struct rxrpc_call *call)
* connection-level Rx packet processor
*/
static int rxrpc_process_event(struct rxrpc_connection *conn,
- struct sk_buff *skb,
- u32 *_abort_code)
+ struct sk_buff *skb)
{
struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
- int loop, ret;
+ int ret;
- if (conn->state >= RXRPC_CONN_REMOTELY_ABORTED) {
- _leave(" = -ECONNABORTED [%u]", conn->state);
+ if (conn->state == RXRPC_CONN_ABORTED)
return -ECONNABORTED;
- }
_enter("{%d},{%u,%%%u},", conn->debug_id, sp->hdr.type, sp->hdr.serial);
switch (sp->hdr.type) {
- case RXRPC_PACKET_TYPE_DATA:
- case RXRPC_PACKET_TYPE_ACK:
- rxrpc_conn_retransmit_call(conn, skb,
- sp->hdr.cid & RXRPC_CHANNELMASK);
- return 0;
-
- case RXRPC_PACKET_TYPE_BUSY:
- /* Just ignore BUSY packets for now. */
- return 0;
-
- case RXRPC_PACKET_TYPE_ABORT:
- conn->error = -ECONNABORTED;
- conn->abort_code = skb->priority;
- conn->state = RXRPC_CONN_REMOTELY_ABORTED;
- set_bit(RXRPC_CONN_DONT_REUSE, &conn->flags);
- rxrpc_abort_calls(conn, RXRPC_CALL_REMOTELY_ABORTED, sp->hdr.serial);
- return -ECONNABORTED;
-
case RXRPC_PACKET_TYPE_CHALLENGE:
- return conn->security->respond_to_challenge(conn, skb,
- _abort_code);
+ return conn->security->respond_to_challenge(conn, skb);
case RXRPC_PACKET_TYPE_RESPONSE:
- ret = conn->security->verify_response(conn, skb, _abort_code);
+ ret = conn->security->verify_response(conn, skb);
if (ret < 0)
return ret;
@@ -324,27 +244,25 @@ static int rxrpc_process_event(struct rxrpc_connection *conn,
if (ret < 0)
return ret;
- spin_lock(&conn->bundle->channel_lock);
spin_lock(&conn->state_lock);
-
- if (conn->state == RXRPC_CONN_SERVICE_CHALLENGING) {
+ if (conn->state == RXRPC_CONN_SERVICE_CHALLENGING)
conn->state = RXRPC_CONN_SERVICE;
- spin_unlock(&conn->state_lock);
- for (loop = 0; loop < RXRPC_MAXCALLS; loop++)
- rxrpc_call_is_secure(
- rcu_dereference_protected(
- conn->channels[loop].call,
- lockdep_is_held(&conn->bundle->channel_lock)));
- } else {
- spin_unlock(&conn->state_lock);
- }
+ spin_unlock(&conn->state_lock);
- spin_unlock(&conn->bundle->channel_lock);
+ if (conn->state == RXRPC_CONN_SERVICE) {
+ /* Offload call state flipping to the I/O thread. As
+ * we've already received the packet, put it on the
+ * front of the queue.
+ */
+ skb->mark = RXRPC_SKB_MARK_SERVICE_CONN_SECURED;
+ rxrpc_get_skb(skb, rxrpc_skb_get_conn_secured);
+ skb_queue_head(&conn->local->rx_queue, skb);
+ rxrpc_wake_up_io_thread(conn->local);
+ }
return 0;
default:
- trace_rxrpc_rx_eproto(NULL, sp->hdr.serial,
- tracepoint_string("bad_conn_pkt"));
+ WARN_ON_ONCE(1);
return -EPROTO;
}
}
@@ -354,26 +272,9 @@ static int rxrpc_process_event(struct rxrpc_connection *conn,
*/
static void rxrpc_secure_connection(struct rxrpc_connection *conn)
{
- u32 abort_code;
- int ret;
-
- _enter("{%d}", conn->debug_id);
-
- ASSERT(conn->security_ix != 0);
-
- if (conn->security->issue_challenge(conn) < 0) {
- abort_code = RX_CALL_DEAD;
- ret = -ENOMEM;
- goto abort;
- }
-
- _leave("");
- return;
-
-abort:
- _debug("abort %d, %d", ret, abort_code);
- rxrpc_abort_connection(conn, ret, abort_code);
- _leave(" [aborted]");
+ if (conn->security->issue_challenge(conn) < 0)
+ rxrpc_abort_conn(conn, NULL, RX_CALL_DEAD, -ENOMEM,
+ rxrpc_abort_nomem);
}
/*
@@ -395,9 +296,7 @@ again:
if (!test_bit(RXRPC_CONN_FINAL_ACK_0 + channel, &conn->flags))
continue;
- smp_rmb(); /* vs rxrpc_disconnect_client_call */
- ack_at = READ_ONCE(chan->final_ack_at);
-
+ ack_at = chan->final_ack_at;
if (time_before(j, ack_at) && !force) {
if (time_before(ack_at, next_j)) {
next_j = ack_at;
@@ -424,47 +323,27 @@ again:
static void rxrpc_do_process_connection(struct rxrpc_connection *conn)
{
struct sk_buff *skb;
- u32 abort_code = RX_PROTOCOL_ERROR;
int ret;
if (test_and_clear_bit(RXRPC_CONN_EV_CHALLENGE, &conn->events))
rxrpc_secure_connection(conn);
- /* Process delayed ACKs whose time has come. */
- if (conn->flags & RXRPC_CONN_FINAL_ACK_MASK)
- rxrpc_process_delayed_final_acks(conn, false);
-
/* go through the conn-level event packets, releasing the ref on this
* connection that each one has when we've finished with it */
while ((skb = skb_dequeue(&conn->rx_queue))) {
rxrpc_see_skb(skb, rxrpc_skb_see_conn_work);
- ret = rxrpc_process_event(conn, skb, &abort_code);
+ ret = rxrpc_process_event(conn, skb);
switch (ret) {
- case -EPROTO:
- case -EKEYEXPIRED:
- case -EKEYREJECTED:
- goto protocol_error;
case -ENOMEM:
case -EAGAIN:
- goto requeue_and_leave;
- case -ECONNABORTED:
+ skb_queue_head(&conn->rx_queue, skb);
+ rxrpc_queue_conn(conn, rxrpc_conn_queue_retry_work);
+ break;
default:
rxrpc_free_skb(skb, rxrpc_skb_put_conn_work);
break;
}
}
-
- return;
-
-requeue_and_leave:
- skb_queue_head(&conn->rx_queue, skb);
- return;
-
-protocol_error:
- if (rxrpc_abort_connection(conn, ret, abort_code) < 0)
- goto requeue_and_leave;
- rxrpc_free_skb(skb, rxrpc_skb_put_conn_work);
- return;
}
void rxrpc_process_connection(struct work_struct *work)
@@ -498,44 +377,59 @@ static void rxrpc_post_packet_to_conn(struct rxrpc_connection *conn,
/*
* Input a connection-level packet.
*/
-int rxrpc_input_conn_packet(struct rxrpc_connection *conn, struct sk_buff *skb)
+bool rxrpc_input_conn_packet(struct rxrpc_connection *conn, struct sk_buff *skb)
{
struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
- if (conn->state >= RXRPC_CONN_REMOTELY_ABORTED) {
- _leave(" = -ECONNABORTED [%u]", conn->state);
- return -ECONNABORTED;
- }
-
- _enter("{%d},{%u,%%%u},", conn->debug_id, sp->hdr.type, sp->hdr.serial);
-
switch (sp->hdr.type) {
- case RXRPC_PACKET_TYPE_DATA:
- case RXRPC_PACKET_TYPE_ACK:
- rxrpc_conn_retransmit_call(conn, skb,
- sp->hdr.cid & RXRPC_CHANNELMASK);
- return 0;
-
case RXRPC_PACKET_TYPE_BUSY:
/* Just ignore BUSY packets for now. */
- return 0;
+ return true;
case RXRPC_PACKET_TYPE_ABORT:
- conn->error = -ECONNABORTED;
- conn->abort_code = skb->priority;
- conn->state = RXRPC_CONN_REMOTELY_ABORTED;
- set_bit(RXRPC_CONN_DONT_REUSE, &conn->flags);
- rxrpc_abort_calls(conn, RXRPC_CALL_REMOTELY_ABORTED, sp->hdr.serial);
- return -ECONNABORTED;
+ if (rxrpc_is_conn_aborted(conn))
+ return true;
+ rxrpc_input_conn_abort(conn, skb);
+ rxrpc_abort_calls(conn);
+ return true;
case RXRPC_PACKET_TYPE_CHALLENGE:
case RXRPC_PACKET_TYPE_RESPONSE:
+ if (rxrpc_is_conn_aborted(conn)) {
+ if (conn->completion == RXRPC_CALL_LOCALLY_ABORTED)
+ rxrpc_send_conn_abort(conn);
+ return true;
+ }
rxrpc_post_packet_to_conn(conn, skb);
- return 0;
+ return true;
default:
- trace_rxrpc_rx_eproto(NULL, sp->hdr.serial,
- tracepoint_string("bad_conn_pkt"));
- return -EPROTO;
+ WARN_ON_ONCE(1);
+ return true;
}
}
+
+/*
+ * Input a connection event.
+ */
+void rxrpc_input_conn_event(struct rxrpc_connection *conn, struct sk_buff *skb)
+{
+ unsigned int loop;
+
+ if (test_and_clear_bit(RXRPC_CONN_EV_ABORT_CALLS, &conn->events))
+ rxrpc_abort_calls(conn);
+
+ switch (skb->mark) {
+ case RXRPC_SKB_MARK_SERVICE_CONN_SECURED:
+ if (conn->state != RXRPC_CONN_SERVICE)
+ break;
+
+ for (loop = 0; loop < RXRPC_MAXCALLS; loop++)
+ rxrpc_call_is_secure(conn->channels[loop].call);
+ break;
+ }
+
+ /* Process delayed ACKs whose time has come. */
+ if (conn->flags & RXRPC_CONN_FINAL_ACK_MASK)
+ rxrpc_process_delayed_final_acks(conn, false);
+}
diff --git a/net/rxrpc/conn_object.c b/net/rxrpc/conn_object.c
index 3c8f83dacb2b..ac85d4644a3c 100644
--- a/net/rxrpc/conn_object.c
+++ b/net/rxrpc/conn_object.c
@@ -23,12 +23,30 @@ static void rxrpc_clean_up_connection(struct work_struct *work);
static void rxrpc_set_service_reap_timer(struct rxrpc_net *rxnet,
unsigned long reap_at);
+void rxrpc_poke_conn(struct rxrpc_connection *conn, enum rxrpc_conn_trace why)
+{
+ struct rxrpc_local *local = conn->local;
+ bool busy;
+
+ if (WARN_ON_ONCE(!local))
+ return;
+
+ spin_lock_bh(&local->lock);
+ busy = !list_empty(&conn->attend_link);
+ if (!busy) {
+ rxrpc_get_connection(conn, why);
+ list_add_tail(&conn->attend_link, &local->conn_attend_q);
+ }
+ spin_unlock_bh(&local->lock);
+ rxrpc_wake_up_io_thread(local);
+}
+
static void rxrpc_connection_timer(struct timer_list *timer)
{
struct rxrpc_connection *conn =
container_of(timer, struct rxrpc_connection, timer);
- rxrpc_queue_conn(conn, rxrpc_conn_queue_timer);
+ rxrpc_poke_conn(conn, rxrpc_conn_get_poke_timer);
}
/*
@@ -49,6 +67,7 @@ struct rxrpc_connection *rxrpc_alloc_connection(struct rxrpc_net *rxnet,
INIT_WORK(&conn->destructor, rxrpc_clean_up_connection);
INIT_LIST_HEAD(&conn->proc_link);
INIT_LIST_HEAD(&conn->link);
+ mutex_init(&conn->security_lock);
skb_queue_head_init(&conn->rx_queue);
conn->rxnet = rxnet;
conn->security = &rxrpc_no_security;
@@ -82,10 +101,10 @@ struct rxrpc_connection *rxrpc_find_client_connection_rcu(struct rxrpc_local *lo
_enter(",%x", sp->hdr.cid & RXRPC_CIDMASK);
- /* Look up client connections by connection ID alone as their IDs are
- * unique for this machine.
+ /* Look up client connections by connection ID alone as their
+ * IDs are unique for this machine.
*/
- conn = idr_find(&rxrpc_client_conn_ids, sp->hdr.cid >> RXRPC_CIDSHIFT);
+ conn = idr_find(&local->conn_ids, sp->hdr.cid >> RXRPC_CIDSHIFT);
if (!conn || refcount_read(&conn->ref) == 0) {
_debug("no conn");
goto not_found;
@@ -139,7 +158,7 @@ void __rxrpc_disconnect_call(struct rxrpc_connection *conn,
_enter("%d,%x", conn->debug_id, call->cid);
- if (rcu_access_pointer(chan->call) == call) {
+ if (chan->call == call) {
/* Save the result of the call so that we can repeat it if necessary
* through the channel, whilst disposing of the actual call record.
*/
@@ -159,12 +178,9 @@ void __rxrpc_disconnect_call(struct rxrpc_connection *conn,
break;
}
- /* Sync with rxrpc_conn_retransmit(). */
- smp_wmb();
chan->last_call = chan->call_id;
chan->call_id = chan->call_counter;
-
- rcu_assign_pointer(chan->call, NULL);
+ chan->call = NULL;
}
_leave("");
@@ -178,6 +194,9 @@ void rxrpc_disconnect_call(struct rxrpc_call *call)
{
struct rxrpc_connection *conn = call->conn;
+ set_bit(RXRPC_CALL_DISCONNECTED, &call->flags);
+ rxrpc_see_call(call, rxrpc_call_see_disconnected);
+
call->peer->cong_ssthresh = call->cong_ssthresh;
if (!hlist_unhashed(&call->error_link)) {
@@ -186,18 +205,17 @@ void rxrpc_disconnect_call(struct rxrpc_call *call)
spin_unlock(&call->peer->lock);
}
- if (rxrpc_is_client_call(call))
- return rxrpc_disconnect_client_call(conn->bundle, call);
-
- spin_lock(&conn->bundle->channel_lock);
- __rxrpc_disconnect_call(conn, call);
- spin_unlock(&conn->bundle->channel_lock);
+ if (rxrpc_is_client_call(call)) {
+ rxrpc_disconnect_client_call(call->bundle, call);
+ } else {
+ __rxrpc_disconnect_call(conn, call);
+ conn->idle_timestamp = jiffies;
+ if (atomic_dec_and_test(&conn->active))
+ rxrpc_set_service_reap_timer(conn->rxnet,
+ jiffies + rxrpc_connection_expiry);
+ }
- set_bit(RXRPC_CALL_DISCONNECTED, &call->flags);
- conn->idle_timestamp = jiffies;
- if (atomic_dec_and_test(&conn->active))
- rxrpc_set_service_reap_timer(conn->rxnet,
- jiffies + rxrpc_connection_expiry);
+ rxrpc_put_call(call, rxrpc_call_put_io_thread);
}
/*
@@ -293,10 +311,10 @@ static void rxrpc_clean_up_connection(struct work_struct *work)
container_of(work, struct rxrpc_connection, destructor);
struct rxrpc_net *rxnet = conn->rxnet;
- ASSERT(!rcu_access_pointer(conn->channels[0].call) &&
- !rcu_access_pointer(conn->channels[1].call) &&
- !rcu_access_pointer(conn->channels[2].call) &&
- !rcu_access_pointer(conn->channels[3].call));
+ ASSERT(!conn->channels[0].call &&
+ !conn->channels[1].call &&
+ !conn->channels[2].call &&
+ !conn->channels[3].call);
ASSERT(list_empty(&conn->cache_link));
del_timer_sync(&conn->timer);
@@ -447,7 +465,6 @@ void rxrpc_destroy_all_connections(struct rxrpc_net *rxnet)
_enter("");
atomic_dec(&rxnet->nr_conns);
- rxrpc_destroy_all_client_connections(rxnet);
del_timer_sync(&rxnet->service_conn_reap_timer);
rxrpc_queue_work(&rxnet->service_conn_reaper);
diff --git a/net/rxrpc/conn_service.c b/net/rxrpc/conn_service.c
index 2a55a88b2a5b..f30323de82bd 100644
--- a/net/rxrpc/conn_service.c
+++ b/net/rxrpc/conn_service.c
@@ -11,7 +11,6 @@
static struct rxrpc_bundle rxrpc_service_dummy_bundle = {
.ref = REFCOUNT_INIT(1),
.debug_id = UINT_MAX,
- .channel_lock = __SPIN_LOCK_UNLOCKED(&rxrpc_service_dummy_bundle.channel_lock),
};
/*
diff --git a/net/rxrpc/input.c b/net/rxrpc/input.c
index d0e20e946e48..367927a99881 100644
--- a/net/rxrpc/input.c
+++ b/net/rxrpc/input.c
@@ -9,11 +9,10 @@
#include "ar-internal.h"
-static void rxrpc_proto_abort(const char *why,
- struct rxrpc_call *call, rxrpc_seq_t seq)
+static void rxrpc_proto_abort(struct rxrpc_call *call, rxrpc_seq_t seq,
+ enum rxrpc_abort_reason why)
{
- if (rxrpc_abort_call(why, call, seq, RX_PROTOCOL_ERROR, -EBADMSG))
- rxrpc_send_abort_packet(call);
+ rxrpc_abort_call(call, seq, RX_PROTOCOL_ERROR, -EBADMSG, why);
}
/*
@@ -185,7 +184,7 @@ void rxrpc_congestion_degrade(struct rxrpc_call *call)
if (call->cong_mode != RXRPC_CALL_SLOW_START &&
call->cong_mode != RXRPC_CALL_CONGEST_AVOIDANCE)
return;
- if (call->state == RXRPC_CALL_CLIENT_AWAIT_REPLY)
+ if (__rxrpc_call_state(call) == RXRPC_CALL_CLIENT_AWAIT_REPLY)
return;
rtt = ns_to_ktime(call->peer->srtt_us * (1000 / 8));
@@ -250,47 +249,34 @@ static bool rxrpc_rotate_tx_window(struct rxrpc_call *call, rxrpc_seq_t to,
* This occurs when we get an ACKALL packet, the first DATA packet of a reply,
* or a final ACK packet.
*/
-static bool rxrpc_end_tx_phase(struct rxrpc_call *call, bool reply_begun,
- const char *abort_why)
+static void rxrpc_end_tx_phase(struct rxrpc_call *call, bool reply_begun,
+ enum rxrpc_abort_reason abort_why)
{
- unsigned int state;
-
ASSERT(test_bit(RXRPC_CALL_TX_LAST, &call->flags));
- write_lock(&call->state_lock);
-
- state = call->state;
- switch (state) {
+ switch (__rxrpc_call_state(call)) {
case RXRPC_CALL_CLIENT_SEND_REQUEST:
case RXRPC_CALL_CLIENT_AWAIT_REPLY:
- if (reply_begun)
- call->state = state = RXRPC_CALL_CLIENT_RECV_REPLY;
- else
- call->state = state = RXRPC_CALL_CLIENT_AWAIT_REPLY;
+ if (reply_begun) {
+ rxrpc_set_call_state(call, RXRPC_CALL_CLIENT_RECV_REPLY);
+ trace_rxrpc_txqueue(call, rxrpc_txqueue_end);
+ break;
+ }
+
+ rxrpc_set_call_state(call, RXRPC_CALL_CLIENT_AWAIT_REPLY);
+ trace_rxrpc_txqueue(call, rxrpc_txqueue_await_reply);
break;
case RXRPC_CALL_SERVER_AWAIT_ACK:
- __rxrpc_call_completed(call);
- state = call->state;
+ rxrpc_call_completed(call);
+ trace_rxrpc_txqueue(call, rxrpc_txqueue_end);
break;
default:
- goto bad_state;
+ kdebug("end_tx %s", rxrpc_call_states[__rxrpc_call_state(call)]);
+ rxrpc_proto_abort(call, call->tx_top, abort_why);
+ break;
}
-
- write_unlock(&call->state_lock);
- if (state == RXRPC_CALL_CLIENT_AWAIT_REPLY)
- trace_rxrpc_txqueue(call, rxrpc_txqueue_await_reply);
- else
- trace_rxrpc_txqueue(call, rxrpc_txqueue_end);
- _leave(" = ok");
- return true;
-
-bad_state:
- write_unlock(&call->state_lock);
- kdebug("end_tx %s", rxrpc_call_states[call->state]);
- rxrpc_proto_abort(abort_why, call, call->tx_top);
- return false;
}
/*
@@ -305,18 +291,48 @@ static bool rxrpc_receiving_reply(struct rxrpc_call *call)
if (call->ackr_reason) {
now = jiffies;
timo = now + MAX_JIFFY_OFFSET;
- WRITE_ONCE(call->resend_at, timo);
+
WRITE_ONCE(call->delay_ack_at, timo);
trace_rxrpc_timer(call, rxrpc_timer_init_for_reply, now);
}
if (!test_bit(RXRPC_CALL_TX_LAST, &call->flags)) {
if (!rxrpc_rotate_tx_window(call, top, &summary)) {
- rxrpc_proto_abort("TXL", call, top);
+ rxrpc_proto_abort(call, top, rxrpc_eproto_early_reply);
return false;
}
}
- return rxrpc_end_tx_phase(call, true, "ETD");
+
+ rxrpc_end_tx_phase(call, true, rxrpc_eproto_unexpected_reply);
+ return true;
+}
+
+/*
+ * End the packet reception phase.
+ */
+static void rxrpc_end_rx_phase(struct rxrpc_call *call, rxrpc_serial_t serial)
+{
+ rxrpc_seq_t whigh = READ_ONCE(call->rx_highest_seq);
+
+ _enter("%d,%s", call->debug_id, rxrpc_call_states[__rxrpc_call_state(call)]);
+
+ trace_rxrpc_receive(call, rxrpc_receive_end, 0, whigh);
+
+ switch (__rxrpc_call_state(call)) {
+ case RXRPC_CALL_CLIENT_RECV_REPLY:
+ rxrpc_propose_delay_ACK(call, serial, rxrpc_propose_ack_terminal_ack);
+ rxrpc_call_completed(call);
+ break;
+
+ case RXRPC_CALL_SERVER_RECV_REQUEST:
+ rxrpc_set_call_state(call, RXRPC_CALL_SERVER_ACK_REQUEST);
+ call->expect_req_by = jiffies + MAX_JIFFY_OFFSET;
+ rxrpc_propose_delay_ACK(call, serial, rxrpc_propose_ack_processing_op);
+ break;
+
+ default:
+ break;
+ }
}
static void rxrpc_input_update_ack_window(struct rxrpc_call *call,
@@ -337,8 +353,9 @@ static void rxrpc_input_queue_data(struct rxrpc_call *call, struct sk_buff *skb,
__skb_queue_tail(&call->recvmsg_queue, skb);
rxrpc_input_update_ack_window(call, window, wtop);
-
trace_rxrpc_receive(call, last ? why + 1 : why, sp->hdr.serial, sp->hdr.seq);
+ if (last)
+ rxrpc_end_rx_phase(call, sp->hdr.serial);
}
/*
@@ -366,17 +383,14 @@ static void rxrpc_input_data_one(struct rxrpc_call *call, struct sk_buff *skb,
if (last) {
if (test_and_set_bit(RXRPC_CALL_RX_LAST, &call->flags) &&
- seq + 1 != wtop) {
- rxrpc_proto_abort("LSN", call, seq);
- return;
- }
+ seq + 1 != wtop)
+ return rxrpc_proto_abort(call, seq, rxrpc_eproto_different_last);
} else {
if (test_bit(RXRPC_CALL_RX_LAST, &call->flags) &&
after_eq(seq, wtop)) {
pr_warn("Packet beyond last: c=%x q=%x window=%x-%x wlimit=%x\n",
call->debug_id, seq, window, wtop, wlimit);
- rxrpc_proto_abort("LSA", call, seq);
- return;
+ return rxrpc_proto_abort(call, seq, rxrpc_eproto_data_after_last);
}
}
@@ -550,7 +564,6 @@ protocol_error:
static void rxrpc_input_data(struct rxrpc_call *call, struct sk_buff *skb)
{
struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
- enum rxrpc_call_state state;
rxrpc_serial_t serial = sp->hdr.serial;
rxrpc_seq_t seq0 = sp->hdr.seq;
@@ -558,11 +571,20 @@ static void rxrpc_input_data(struct rxrpc_call *call, struct sk_buff *skb)
atomic64_read(&call->ackr_window), call->rx_highest_seq,
skb->len, seq0);
- state = READ_ONCE(call->state);
- if (state >= RXRPC_CALL_COMPLETE)
+ if (__rxrpc_call_is_complete(call))
return;
- if (state == RXRPC_CALL_SERVER_RECV_REQUEST) {
+ switch (__rxrpc_call_state(call)) {
+ case RXRPC_CALL_CLIENT_SEND_REQUEST:
+ case RXRPC_CALL_CLIENT_AWAIT_REPLY:
+ /* Received data implicitly ACKs all of the request
+ * packets we sent when we're acting as a client.
+ */
+ if (!rxrpc_receiving_reply(call))
+ goto out_notify;
+ break;
+
+ case RXRPC_CALL_SERVER_RECV_REQUEST: {
unsigned long timo = READ_ONCE(call->next_req_timo);
unsigned long now, expect_req_by;
@@ -573,18 +595,15 @@ static void rxrpc_input_data(struct rxrpc_call *call, struct sk_buff *skb)
rxrpc_reduce_call_timer(call, expect_req_by, now,
rxrpc_timer_set_for_idle);
}
+ break;
}
- /* Received data implicitly ACKs all of the request packets we sent
- * when we're acting as a client.
- */
- if ((state == RXRPC_CALL_CLIENT_SEND_REQUEST ||
- state == RXRPC_CALL_CLIENT_AWAIT_REPLY) &&
- !rxrpc_receiving_reply(call))
- goto out_notify;
+ default:
+ break;
+ }
if (!rxrpc_input_split_jumbo(call, skb)) {
- rxrpc_proto_abort("VLD", call, sp->hdr.seq);
+ rxrpc_proto_abort(call, sp->hdr.seq, rxrpc_badmsg_bad_jumbo);
goto out_notify;
}
skb = NULL;
@@ -765,7 +784,7 @@ static void rxrpc_input_ack(struct rxrpc_call *call, struct sk_buff *skb)
offset = sizeof(struct rxrpc_wire_header);
if (skb_copy_bits(skb, offset, &ack, sizeof(ack)) < 0)
- return rxrpc_proto_abort("XAK", call, 0);
+ return rxrpc_proto_abort(call, 0, rxrpc_badmsg_short_ack);
offset += sizeof(ack);
ack_serial = sp->hdr.serial;
@@ -845,7 +864,7 @@ static void rxrpc_input_ack(struct rxrpc_call *call, struct sk_buff *skb)
ioffset = offset + nr_acks + 3;
if (skb->len >= ioffset + sizeof(info) &&
skb_copy_bits(skb, ioffset, &info, sizeof(info)) < 0)
- return rxrpc_proto_abort("XAI", call, 0);
+ return rxrpc_proto_abort(call, 0, rxrpc_badmsg_short_ack_info);
if (nr_acks > 0)
skb_condense(skb);
@@ -868,10 +887,10 @@ static void rxrpc_input_ack(struct rxrpc_call *call, struct sk_buff *skb)
rxrpc_input_ackinfo(call, skb, &info);
if (first_soft_ack == 0)
- return rxrpc_proto_abort("AK0", call, 0);
+ return rxrpc_proto_abort(call, 0, rxrpc_eproto_ackr_zero);
/* Ignore ACKs unless we are or have just been transmitting. */
- switch (READ_ONCE(call->state)) {
+ switch (__rxrpc_call_state(call)) {
case RXRPC_CALL_CLIENT_SEND_REQUEST:
case RXRPC_CALL_CLIENT_AWAIT_REPLY:
case RXRPC_CALL_SERVER_SEND_REPLY:
@@ -883,20 +902,20 @@ static void rxrpc_input_ack(struct rxrpc_call *call, struct sk_buff *skb)
if (before(hard_ack, call->acks_hard_ack) ||
after(hard_ack, call->tx_top))
- return rxrpc_proto_abort("AKW", call, 0);
+ return rxrpc_proto_abort(call, 0, rxrpc_eproto_ackr_outside_window);
if (nr_acks > call->tx_top - hard_ack)
- return rxrpc_proto_abort("AKN", call, 0);
+ return rxrpc_proto_abort(call, 0, rxrpc_eproto_ackr_sack_overflow);
if (after(hard_ack, call->acks_hard_ack)) {
if (rxrpc_rotate_tx_window(call, hard_ack, &summary)) {
- rxrpc_end_tx_phase(call, false, "ETA");
+ rxrpc_end_tx_phase(call, false, rxrpc_eproto_unexpected_ack);
return;
}
}
if (nr_acks > 0) {
if (offset > (int)skb->len - nr_acks)
- return rxrpc_proto_abort("XSA", call, 0);
+ return rxrpc_proto_abort(call, 0, rxrpc_eproto_ackr_short_sack);
rxrpc_input_soft_acks(call, skb->data + offset, first_soft_ack,
nr_acks, &summary);
}
@@ -918,7 +937,7 @@ static void rxrpc_input_ackall(struct rxrpc_call *call, struct sk_buff *skb)
struct rxrpc_ack_summary summary = { 0 };
if (rxrpc_rotate_tx_window(call, call->tx_top, &summary))
- rxrpc_end_tx_phase(call, false, "ETL");
+ rxrpc_end_tx_phase(call, false, rxrpc_eproto_unexpected_ackall);
}
/*
@@ -963,27 +982,23 @@ void rxrpc_input_call_packet(struct rxrpc_call *call, struct sk_buff *skb)
switch (sp->hdr.type) {
case RXRPC_PACKET_TYPE_DATA:
- rxrpc_input_data(call, skb);
- break;
+ return rxrpc_input_data(call, skb);
case RXRPC_PACKET_TYPE_ACK:
- rxrpc_input_ack(call, skb);
- break;
+ return rxrpc_input_ack(call, skb);
case RXRPC_PACKET_TYPE_BUSY:
/* Just ignore BUSY packets from the server; the retry and
* lifespan timers will take care of business. BUSY packets
* from the client don't make sense.
*/
- break;
+ return;
case RXRPC_PACKET_TYPE_ABORT:
- rxrpc_input_abort(call, skb);
- break;
+ return rxrpc_input_abort(call, skb);
case RXRPC_PACKET_TYPE_ACKALL:
- rxrpc_input_ackall(call, skb);
- break;
+ return rxrpc_input_ackall(call, skb);
default:
break;
@@ -998,24 +1013,18 @@ void rxrpc_input_call_packet(struct rxrpc_call *call, struct sk_buff *skb)
*/
void rxrpc_implicit_end_call(struct rxrpc_call *call, struct sk_buff *skb)
{
- struct rxrpc_connection *conn = call->conn;
-
- switch (READ_ONCE(call->state)) {
+ switch (__rxrpc_call_state(call)) {
case RXRPC_CALL_SERVER_AWAIT_ACK:
rxrpc_call_completed(call);
fallthrough;
case RXRPC_CALL_COMPLETE:
break;
default:
- if (rxrpc_abort_call("IMP", call, 0, RX_CALL_DEAD, -ESHUTDOWN))
- rxrpc_send_abort_packet(call);
+ rxrpc_abort_call(call, 0, RX_CALL_DEAD, -ESHUTDOWN,
+ rxrpc_eproto_improper_term);
trace_rxrpc_improper_term(call);
break;
}
rxrpc_input_call_event(call, skb);
-
- spin_lock(&conn->bundle->channel_lock);
- __rxrpc_disconnect_call(conn, call);
- spin_unlock(&conn->bundle->channel_lock);
}
diff --git a/net/rxrpc/insecure.c b/net/rxrpc/insecure.c
index 0eb8471bfc53..34353b6e584b 100644
--- a/net/rxrpc/insecure.c
+++ b/net/rxrpc/insecure.c
@@ -43,25 +43,17 @@ static void none_free_call_crypto(struct rxrpc_call *call)
}
static int none_respond_to_challenge(struct rxrpc_connection *conn,
- struct sk_buff *skb,
- u32 *_abort_code)
+ struct sk_buff *skb)
{
- struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
-
- trace_rxrpc_rx_eproto(NULL, sp->hdr.serial,
- tracepoint_string("chall_none"));
- return -EPROTO;
+ return rxrpc_abort_conn(conn, skb, RX_PROTOCOL_ERROR, -EPROTO,
+ rxrpc_eproto_rxnull_challenge);
}
static int none_verify_response(struct rxrpc_connection *conn,
- struct sk_buff *skb,
- u32 *_abort_code)
+ struct sk_buff *skb)
{
- struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
-
- trace_rxrpc_rx_eproto(NULL, sp->hdr.serial,
- tracepoint_string("resp_none"));
- return -EPROTO;
+ return rxrpc_abort_conn(conn, skb, RX_PROTOCOL_ERROR, -EPROTO,
+ rxrpc_eproto_rxnull_response);
}
static void none_clear(struct rxrpc_connection *conn)
diff --git a/net/rxrpc/io_thread.c b/net/rxrpc/io_thread.c
index 1ad067d66fb6..9e9dfb2fc559 100644
--- a/net/rxrpc/io_thread.c
+++ b/net/rxrpc/io_thread.c
@@ -67,9 +67,31 @@ void rxrpc_error_report(struct sock *sk)
}
/*
+ * Directly produce an abort from a packet.
+ */
+bool rxrpc_direct_abort(struct sk_buff *skb, enum rxrpc_abort_reason why,
+ s32 abort_code, int err)
+{
+ struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
+
+ trace_rxrpc_abort(0, why, sp->hdr.cid, sp->hdr.callNumber, sp->hdr.seq,
+ abort_code, err);
+ skb->mark = RXRPC_SKB_MARK_REJECT_ABORT;
+ skb->priority = abort_code;
+ return false;
+}
+
+static bool rxrpc_bad_message(struct sk_buff *skb, enum rxrpc_abort_reason why)
+{
+ return rxrpc_direct_abort(skb, why, RX_PROTOCOL_ERROR, -EBADMSG);
+}
+
+#define just_discard true
+
+/*
* Process event packets targeted at a local endpoint.
*/
-static void rxrpc_input_version(struct rxrpc_local *local, struct sk_buff *skb)
+static bool rxrpc_input_version(struct rxrpc_local *local, struct sk_buff *skb)
{
struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
char v;
@@ -81,22 +103,21 @@ static void rxrpc_input_version(struct rxrpc_local *local, struct sk_buff *skb)
if (v == 0)
rxrpc_send_version_request(local, &sp->hdr, skb);
}
+
+ return true;
}
/*
* Extract the wire header from a packet and translate the byte order.
*/
-static noinline
-int rxrpc_extract_header(struct rxrpc_skb_priv *sp, struct sk_buff *skb)
+static bool rxrpc_extract_header(struct rxrpc_skb_priv *sp,
+ struct sk_buff *skb)
{
struct rxrpc_wire_header whdr;
/* dig out the RxRPC connection details */
- if (skb_copy_bits(skb, 0, &whdr, sizeof(whdr)) < 0) {
- trace_rxrpc_rx_eproto(NULL, sp->hdr.serial,
- tracepoint_string("bad_hdr"));
- return -EBADMSG;
- }
+ if (skb_copy_bits(skb, 0, &whdr, sizeof(whdr)) < 0)
+ return rxrpc_bad_message(skb, rxrpc_badmsg_short_hdr);
memset(sp, 0, sizeof(*sp));
sp->hdr.epoch = ntohl(whdr.epoch);
@@ -110,7 +131,7 @@ int rxrpc_extract_header(struct rxrpc_skb_priv *sp, struct sk_buff *skb)
sp->hdr.securityIndex = whdr.securityIndex;
sp->hdr._rsvd = ntohs(whdr._rsvd);
sp->hdr.serviceId = ntohs(whdr.serviceId);
- return 0;
+ return true;
}
/*
@@ -130,28 +151,28 @@ static bool rxrpc_extract_abort(struct sk_buff *skb)
/*
* Process packets received on the local endpoint
*/
-static int rxrpc_input_packet(struct rxrpc_local *local, struct sk_buff **_skb)
+static bool rxrpc_input_packet(struct rxrpc_local *local, struct sk_buff **_skb)
{
struct rxrpc_connection *conn;
struct sockaddr_rxrpc peer_srx;
struct rxrpc_skb_priv *sp;
struct rxrpc_peer *peer = NULL;
struct sk_buff *skb = *_skb;
- int ret = 0;
+ bool ret = false;
skb_pull(skb, sizeof(struct udphdr));
sp = rxrpc_skb(skb);
/* dig out the RxRPC connection details */
- if (rxrpc_extract_header(sp, skb) < 0)
- goto bad_message;
+ if (!rxrpc_extract_header(sp, skb))
+ return just_discard;
if (IS_ENABLED(CONFIG_AF_RXRPC_INJECT_LOSS)) {
static int lose;
if ((lose++ & 7) == 7) {
trace_rxrpc_rx_lose(sp);
- return 0;
+ return just_discard;
}
}
@@ -160,28 +181,28 @@ static int rxrpc_input_packet(struct rxrpc_local *local, struct sk_buff **_skb)
switch (sp->hdr.type) {
case RXRPC_PACKET_TYPE_VERSION:
if (rxrpc_to_client(sp))
- return 0;
- rxrpc_input_version(local, skb);
- return 0;
+ return just_discard;
+ return rxrpc_input_version(local, skb);
case RXRPC_PACKET_TYPE_BUSY:
if (rxrpc_to_server(sp))
- return 0;
+ return just_discard;
fallthrough;
case RXRPC_PACKET_TYPE_ACK:
case RXRPC_PACKET_TYPE_ACKALL:
if (sp->hdr.callNumber == 0)
- goto bad_message;
+ return rxrpc_bad_message(skb, rxrpc_badmsg_zero_call);
break;
case RXRPC_PACKET_TYPE_ABORT:
if (!rxrpc_extract_abort(skb))
- return 0; /* Just discard if malformed */
+ return just_discard; /* Just discard if malformed */
break;
case RXRPC_PACKET_TYPE_DATA:
- if (sp->hdr.callNumber == 0 ||
- sp->hdr.seq == 0)
- goto bad_message;
+ if (sp->hdr.callNumber == 0)
+ return rxrpc_bad_message(skb, rxrpc_badmsg_zero_call);
+ if (sp->hdr.seq == 0)
+ return rxrpc_bad_message(skb, rxrpc_badmsg_zero_seq);
/* Unshare the packet so that it can be modified for in-place
* decryption.
@@ -191,7 +212,7 @@ static int rxrpc_input_packet(struct rxrpc_local *local, struct sk_buff **_skb)
if (!skb) {
rxrpc_eaten_skb(*_skb, rxrpc_skb_eaten_by_unshare_nomem);
*_skb = NULL;
- return 0;
+ return just_discard;
}
if (skb != *_skb) {
@@ -205,28 +226,28 @@ static int rxrpc_input_packet(struct rxrpc_local *local, struct sk_buff **_skb)
case RXRPC_PACKET_TYPE_CHALLENGE:
if (rxrpc_to_server(sp))
- return 0;
+ return just_discard;
break;
case RXRPC_PACKET_TYPE_RESPONSE:
if (rxrpc_to_client(sp))
- return 0;
+ return just_discard;
break;
/* Packet types 9-11 should just be ignored. */
case RXRPC_PACKET_TYPE_PARAMS:
case RXRPC_PACKET_TYPE_10:
case RXRPC_PACKET_TYPE_11:
- return 0;
+ return just_discard;
default:
- goto bad_message;
+ return rxrpc_bad_message(skb, rxrpc_badmsg_unsupported_packet);
}
if (sp->hdr.serviceId == 0)
- goto bad_message;
+ return rxrpc_bad_message(skb, rxrpc_badmsg_zero_service);
if (WARN_ON_ONCE(rxrpc_extract_addr_from_skb(&peer_srx, skb) < 0))
- return true; /* Unsupported address type - discard. */
+ return just_discard; /* Unsupported address type. */
if (peer_srx.transport.family != local->srx.transport.family &&
(peer_srx.transport.family == AF_INET &&
@@ -234,7 +255,7 @@ static int rxrpc_input_packet(struct rxrpc_local *local, struct sk_buff **_skb)
pr_warn_ratelimited("AF_RXRPC: Protocol mismatch %u not %u\n",
peer_srx.transport.family,
local->srx.transport.family);
- return true; /* Wrong address type - discard. */
+ return just_discard; /* Wrong address type. */
}
if (rxrpc_to_client(sp)) {
@@ -242,12 +263,8 @@ static int rxrpc_input_packet(struct rxrpc_local *local, struct sk_buff **_skb)
conn = rxrpc_find_client_connection_rcu(local, &peer_srx, skb);
conn = rxrpc_get_connection_maybe(conn, rxrpc_conn_get_call_input);
rcu_read_unlock();
- if (!conn) {
- trace_rxrpc_abort(0, "NCC", sp->hdr.cid,
- sp->hdr.callNumber, sp->hdr.seq,
- RXKADINCONSISTENCY, EBADMSG);
- goto protocol_error;
- }
+ if (!conn)
+ return rxrpc_protocol_error(skb, rxrpc_eproto_no_client_conn);
ret = rxrpc_input_packet_on_conn(conn, &peer_srx, skb);
rxrpc_put_connection(conn, rxrpc_conn_put_call_input);
@@ -280,19 +297,7 @@ static int rxrpc_input_packet(struct rxrpc_local *local, struct sk_buff **_skb)
ret = rxrpc_new_incoming_call(local, peer, NULL, &peer_srx, skb);
rxrpc_put_peer(peer, rxrpc_peer_put_input);
- if (ret < 0)
- goto reject_packet;
- return 0;
-
-bad_message:
- trace_rxrpc_abort(0, "BAD", sp->hdr.cid, sp->hdr.callNumber, sp->hdr.seq,
- RX_PROTOCOL_ERROR, EBADMSG);
-protocol_error:
- skb->priority = RX_PROTOCOL_ERROR;
- skb->mark = RXRPC_SKB_MARK_REJECT_ABORT;
-reject_packet:
- rxrpc_reject_packet(local, skb);
- return 0;
+ return ret;
}
/*
@@ -306,21 +311,23 @@ static int rxrpc_input_packet_on_conn(struct rxrpc_connection *conn,
struct rxrpc_channel *chan;
struct rxrpc_call *call = NULL;
unsigned int channel;
+ bool ret;
if (sp->hdr.securityIndex != conn->security_ix)
- goto wrong_security;
+ return rxrpc_direct_abort(skb, rxrpc_eproto_wrong_security,
+ RXKADINCONSISTENCY, -EBADMSG);
if (sp->hdr.serviceId != conn->service_id) {
int old_id;
if (!test_bit(RXRPC_CONN_PROBING_FOR_UPGRADE, &conn->flags))
- goto reupgrade;
+ return rxrpc_protocol_error(skb, rxrpc_eproto_reupgrade);
+
old_id = cmpxchg(&conn->service_id, conn->orig_service_id,
sp->hdr.serviceId);
-
if (old_id != conn->orig_service_id &&
old_id != sp->hdr.serviceId)
- goto reupgrade;
+ return rxrpc_protocol_error(skb, rxrpc_eproto_bad_upgrade);
}
if (after(sp->hdr.serial, conn->hi_serial))
@@ -336,19 +343,19 @@ static int rxrpc_input_packet_on_conn(struct rxrpc_connection *conn,
/* Ignore really old calls */
if (sp->hdr.callNumber < chan->last_call)
- return 0;
+ return just_discard;
if (sp->hdr.callNumber == chan->last_call) {
if (chan->call ||
sp->hdr.type == RXRPC_PACKET_TYPE_ABORT)
- return 0;
+ return just_discard;
/* For the previous service call, if completed successfully, we
* discard all further packets.
*/
if (rxrpc_conn_is_service(conn) &&
chan->last_type == RXRPC_PACKET_TYPE_ACK)
- return 0;
+ return just_discard;
/* But otherwise we need to retransmit the final packet from
* data cached in the connection record.
@@ -358,19 +365,17 @@ static int rxrpc_input_packet_on_conn(struct rxrpc_connection *conn,
sp->hdr.seq,
sp->hdr.serial,
sp->hdr.flags);
- rxrpc_input_conn_packet(conn, skb);
- return 0;
+ rxrpc_conn_retransmit_call(conn, skb, channel);
+ return just_discard;
}
- rcu_read_lock();
- call = rxrpc_try_get_call(rcu_dereference(chan->call),
- rxrpc_call_get_input);
- rcu_read_unlock();
+ call = rxrpc_try_get_call(chan->call, rxrpc_call_get_input);
if (sp->hdr.callNumber > chan->call_id) {
if (rxrpc_to_client(sp)) {
rxrpc_put_call(call, rxrpc_call_put_input);
- goto reject_packet;
+ return rxrpc_protocol_error(skb,
+ rxrpc_eproto_unexpected_implicit_end);
}
if (call) {
@@ -382,38 +387,14 @@ static int rxrpc_input_packet_on_conn(struct rxrpc_connection *conn,
if (!call) {
if (rxrpc_to_client(sp))
- goto bad_message;
- if (rxrpc_new_incoming_call(conn->local, conn->peer, conn,
- peer_srx, skb) == 0)
- return 0;
- goto reject_packet;
+ return rxrpc_protocol_error(skb, rxrpc_eproto_no_client_call);
+ return rxrpc_new_incoming_call(conn->local, conn->peer, conn,
+ peer_srx, skb);
}
- rxrpc_input_call_event(call, skb);
+ ret = rxrpc_input_call_event(call, skb);
rxrpc_put_call(call, rxrpc_call_put_input);
- return 0;
-
-wrong_security:
- trace_rxrpc_abort(0, "SEC", sp->hdr.cid, sp->hdr.callNumber, sp->hdr.seq,
- RXKADINCONSISTENCY, EBADMSG);
- skb->priority = RXKADINCONSISTENCY;
- goto post_abort;
-
-reupgrade:
- trace_rxrpc_abort(0, "UPG", sp->hdr.cid, sp->hdr.callNumber, sp->hdr.seq,
- RX_PROTOCOL_ERROR, EBADMSG);
- goto protocol_error;
-
-bad_message:
- trace_rxrpc_abort(0, "BAD", sp->hdr.cid, sp->hdr.callNumber, sp->hdr.seq,
- RX_PROTOCOL_ERROR, EBADMSG);
-protocol_error:
- skb->priority = RX_PROTOCOL_ERROR;
-post_abort:
- skb->mark = RXRPC_SKB_MARK_REJECT_ABORT;
-reject_packet:
- rxrpc_reject_packet(conn->local, skb);
- return 0;
+ return ret;
}
/*
@@ -421,6 +402,7 @@ reject_packet:
*/
int rxrpc_io_thread(void *data)
{
+ struct rxrpc_connection *conn;
struct sk_buff_head rx_queue;
struct rxrpc_local *local = data;
struct rxrpc_call *call;
@@ -436,6 +418,24 @@ int rxrpc_io_thread(void *data)
for (;;) {
rxrpc_inc_stat(local->rxnet, stat_io_loop);
+ /* Deal with connections that want immediate attention. */
+ conn = list_first_entry_or_null(&local->conn_attend_q,
+ struct rxrpc_connection,
+ attend_link);
+ if (conn) {
+ spin_lock_bh(&local->lock);
+ list_del_init(&conn->attend_link);
+ spin_unlock_bh(&local->lock);
+
+ rxrpc_input_conn_event(conn, NULL);
+ rxrpc_put_connection(conn, rxrpc_conn_put_poke);
+ continue;
+ }
+
+ if (test_and_clear_bit(RXRPC_CLIENT_CONN_REAP_TIMER,
+ &local->client_conn_flags))
+ rxrpc_discard_expired_client_conns(local);
+
/* Deal with calls that want immediate attention. */
if ((call = list_first_entry_or_null(&local->call_attend_q,
struct rxrpc_call,
@@ -450,12 +450,17 @@ int rxrpc_io_thread(void *data)
continue;
}
+ if (!list_empty(&local->new_client_calls))
+ rxrpc_connect_client_calls(local);
+
/* Process received packets and errors. */
if ((skb = __skb_dequeue(&rx_queue))) {
+ struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
switch (skb->mark) {
case RXRPC_SKB_MARK_PACKET:
skb->priority = 0;
- rxrpc_input_packet(local, &skb);
+ if (!rxrpc_input_packet(local, &skb))
+ rxrpc_reject_packet(local, skb);
trace_rxrpc_rx_done(skb->mark, skb->priority);
rxrpc_free_skb(skb, rxrpc_skb_put_input);
break;
@@ -463,6 +468,11 @@ int rxrpc_io_thread(void *data)
rxrpc_input_error(local, skb);
rxrpc_free_skb(skb, rxrpc_skb_put_error_report);
break;
+ case RXRPC_SKB_MARK_SERVICE_CONN_SECURED:
+ rxrpc_input_conn_event(sp->conn, skb);
+ rxrpc_put_connection(sp->conn, rxrpc_conn_put_poke);
+ rxrpc_free_skb(skb, rxrpc_skb_put_conn_secured);
+ break;
default:
WARN_ON_ONCE(1);
rxrpc_free_skb(skb, rxrpc_skb_put_unknown);
@@ -481,7 +491,11 @@ int rxrpc_io_thread(void *data)
set_current_state(TASK_INTERRUPTIBLE);
should_stop = kthread_should_stop();
if (!skb_queue_empty(&local->rx_queue) ||
- !list_empty(&local->call_attend_q)) {
+ !list_empty(&local->call_attend_q) ||
+ !list_empty(&local->conn_attend_q) ||
+ !list_empty(&local->new_client_calls) ||
+ test_bit(RXRPC_CLIENT_CONN_REAP_TIMER,
+ &local->client_conn_flags)) {
__set_current_state(TASK_RUNNING);
continue;
}
diff --git a/net/rxrpc/local_object.c b/net/rxrpc/local_object.c
index 270b63d8f37a..b8eaca5d9f22 100644
--- a/net/rxrpc/local_object.c
+++ b/net/rxrpc/local_object.c
@@ -82,31 +82,59 @@ static long rxrpc_local_cmp_key(const struct rxrpc_local *local,
}
}
+static void rxrpc_client_conn_reap_timeout(struct timer_list *timer)
+{
+ struct rxrpc_local *local =
+ container_of(timer, struct rxrpc_local, client_conn_reap_timer);
+
+ if (local->kill_all_client_conns &&
+ test_and_set_bit(RXRPC_CLIENT_CONN_REAP_TIMER, &local->client_conn_flags))
+ rxrpc_wake_up_io_thread(local);
+}
+
/*
* Allocate a new local endpoint.
*/
-static struct rxrpc_local *rxrpc_alloc_local(struct rxrpc_net *rxnet,
+static struct rxrpc_local *rxrpc_alloc_local(struct net *net,
const struct sockaddr_rxrpc *srx)
{
struct rxrpc_local *local;
+ u32 tmp;
local = kzalloc(sizeof(struct rxrpc_local), GFP_KERNEL);
if (local) {
refcount_set(&local->ref, 1);
atomic_set(&local->active_users, 1);
- local->rxnet = rxnet;
+ local->net = net;
+ local->rxnet = rxrpc_net(net);
INIT_HLIST_NODE(&local->link);
init_rwsem(&local->defrag_sem);
init_completion(&local->io_thread_ready);
skb_queue_head_init(&local->rx_queue);
+ INIT_LIST_HEAD(&local->conn_attend_q);
INIT_LIST_HEAD(&local->call_attend_q);
+
local->client_bundles = RB_ROOT;
spin_lock_init(&local->client_bundles_lock);
+ local->kill_all_client_conns = false;
+ INIT_LIST_HEAD(&local->idle_client_conns);
+ timer_setup(&local->client_conn_reap_timer,
+ rxrpc_client_conn_reap_timeout, 0);
+
spin_lock_init(&local->lock);
rwlock_init(&local->services_lock);
local->debug_id = atomic_inc_return(&rxrpc_debug_id);
memcpy(&local->srx, srx, sizeof(*srx));
local->srx.srx_service = 0;
+ idr_init(&local->conn_ids);
+ get_random_bytes(&tmp, sizeof(tmp));
+ tmp &= 0x3fffffff;
+ if (tmp == 0)
+ tmp = 1;
+ idr_set_cursor(&local->conn_ids, tmp);
+ INIT_LIST_HEAD(&local->new_client_calls);
+ spin_lock_init(&local->client_call_lock);
+
trace_rxrpc_local(local->debug_id, rxrpc_local_new, 1, 1);
}
@@ -248,7 +276,7 @@ struct rxrpc_local *rxrpc_lookup_local(struct net *net,
goto found;
}
- local = rxrpc_alloc_local(rxnet, srx);
+ local = rxrpc_alloc_local(net, srx);
if (!local)
goto nomem;
@@ -407,6 +435,7 @@ void rxrpc_destroy_local(struct rxrpc_local *local)
* local endpoint.
*/
rxrpc_purge_queue(&local->rx_queue);
+ rxrpc_purge_client_connections(local);
}
/*
diff --git a/net/rxrpc/net_ns.c b/net/rxrpc/net_ns.c
index 5905530e2f33..a0319c040c25 100644
--- a/net/rxrpc/net_ns.c
+++ b/net/rxrpc/net_ns.c
@@ -10,15 +10,6 @@
unsigned int rxrpc_net_id;
-static void rxrpc_client_conn_reap_timeout(struct timer_list *timer)
-{
- struct rxrpc_net *rxnet =
- container_of(timer, struct rxrpc_net, client_conn_reap_timer);
-
- if (rxnet->live)
- rxrpc_queue_work(&rxnet->client_conn_reaper);
-}
-
static void rxrpc_service_conn_reap_timeout(struct timer_list *timer)
{
struct rxrpc_net *rxnet =
@@ -63,14 +54,6 @@ static __net_init int rxrpc_init_net(struct net *net)
rxrpc_service_conn_reap_timeout, 0);
atomic_set(&rxnet->nr_client_conns, 0);
- rxnet->kill_all_client_conns = false;
- spin_lock_init(&rxnet->client_conn_cache_lock);
- mutex_init(&rxnet->client_conn_discard_lock);
- INIT_LIST_HEAD(&rxnet->idle_client_conns);
- INIT_WORK(&rxnet->client_conn_reaper,
- rxrpc_discard_expired_client_conns);
- timer_setup(&rxnet->client_conn_reap_timer,
- rxrpc_client_conn_reap_timeout, 0);
INIT_HLIST_HEAD(&rxnet->local_endpoints);
mutex_init(&rxnet->local_mutex);
diff --git a/net/rxrpc/output.c b/net/rxrpc/output.c
index 3d8c9f830ee0..a9746be29634 100644
--- a/net/rxrpc/output.c
+++ b/net/rxrpc/output.c
@@ -261,7 +261,7 @@ int rxrpc_send_ack_packet(struct rxrpc_call *call, struct rxrpc_txbuf *txb)
rxrpc_tx_point_call_ack);
rxrpc_tx_backoff(call, ret);
- if (call->state < RXRPC_CALL_COMPLETE) {
+ if (!__rxrpc_call_is_complete(call)) {
if (ret < 0)
rxrpc_cancel_rtt_probe(call, serial, rtt_slot);
rxrpc_set_keepalive(call);
@@ -545,6 +545,62 @@ send_fragmentable:
}
/*
+ * Transmit a connection-level abort.
+ */
+void rxrpc_send_conn_abort(struct rxrpc_connection *conn)
+{
+ struct rxrpc_wire_header whdr;
+ struct msghdr msg;
+ struct kvec iov[2];
+ __be32 word;
+ size_t len;
+ u32 serial;
+ int ret;
+
+ msg.msg_name = &conn->peer->srx.transport;
+ msg.msg_namelen = conn->peer->srx.transport_len;
+ msg.msg_control = NULL;
+ msg.msg_controllen = 0;
+ msg.msg_flags = 0;
+
+ whdr.epoch = htonl(conn->proto.epoch);
+ whdr.cid = htonl(conn->proto.cid);
+ whdr.callNumber = 0;
+ whdr.seq = 0;
+ whdr.type = RXRPC_PACKET_TYPE_ABORT;
+ whdr.flags = conn->out_clientflag;
+ whdr.userStatus = 0;
+ whdr.securityIndex = conn->security_ix;
+ whdr._rsvd = 0;
+ whdr.serviceId = htons(conn->service_id);
+
+ word = htonl(conn->abort_code);
+
+ iov[0].iov_base = &whdr;
+ iov[0].iov_len = sizeof(whdr);
+ iov[1].iov_base = &word;
+ iov[1].iov_len = sizeof(word);
+
+ len = iov[0].iov_len + iov[1].iov_len;
+
+ serial = atomic_inc_return(&conn->serial);
+ whdr.serial = htonl(serial);
+
+ iov_iter_kvec(&msg.msg_iter, WRITE, iov, 2, len);
+ ret = do_udp_sendmsg(conn->local->socket, &msg, len);
+ if (ret < 0) {
+ trace_rxrpc_tx_fail(conn->debug_id, serial, ret,
+ rxrpc_tx_point_conn_abort);
+ _debug("sendmsg failed: %d", ret);
+ return;
+ }
+
+ trace_rxrpc_tx_packet(conn->debug_id, &whdr, rxrpc_tx_point_conn_abort);
+
+ conn->peer->last_tx_at = ktime_get_seconds();
+}
+
+/*
* Reject a packet through the local endpoint.
*/
void rxrpc_reject_packet(struct rxrpc_local *local, struct sk_buff *skb)
@@ -667,7 +723,7 @@ void rxrpc_send_keepalive(struct rxrpc_peer *peer)
static inline void rxrpc_instant_resend(struct rxrpc_call *call,
struct rxrpc_txbuf *txb)
{
- if (call->state < RXRPC_CALL_COMPLETE)
+ if (!__rxrpc_call_is_complete(call))
kdebug("resend");
}
diff --git a/net/rxrpc/peer_object.c b/net/rxrpc/peer_object.c
index 4eecea2be307..8d7a715a0bb1 100644
--- a/net/rxrpc/peer_object.c
+++ b/net/rxrpc/peer_object.c
@@ -147,10 +147,10 @@ struct rxrpc_peer *rxrpc_lookup_peer_rcu(struct rxrpc_local *local,
* assess the MTU size for the network interface through which this peer is
* reached
*/
-static void rxrpc_assess_MTU_size(struct rxrpc_sock *rx,
+static void rxrpc_assess_MTU_size(struct rxrpc_local *local,
struct rxrpc_peer *peer)
{
- struct net *net = sock_net(&rx->sk);
+ struct net *net = local->net;
struct dst_entry *dst;
struct rtable *rt;
struct flowi fl;
@@ -236,11 +236,11 @@ struct rxrpc_peer *rxrpc_alloc_peer(struct rxrpc_local *local, gfp_t gfp,
/*
* Initialise peer record.
*/
-static void rxrpc_init_peer(struct rxrpc_sock *rx, struct rxrpc_peer *peer,
+static void rxrpc_init_peer(struct rxrpc_local *local, struct rxrpc_peer *peer,
unsigned long hash_key)
{
peer->hash_key = hash_key;
- rxrpc_assess_MTU_size(rx, peer);
+ rxrpc_assess_MTU_size(local, peer);
peer->mtu = peer->if_mtu;
peer->rtt_last_req = ktime_get_real();
@@ -272,8 +272,7 @@ static void rxrpc_init_peer(struct rxrpc_sock *rx, struct rxrpc_peer *peer,
/*
* Set up a new peer.
*/
-static struct rxrpc_peer *rxrpc_create_peer(struct rxrpc_sock *rx,
- struct rxrpc_local *local,
+static struct rxrpc_peer *rxrpc_create_peer(struct rxrpc_local *local,
struct sockaddr_rxrpc *srx,
unsigned long hash_key,
gfp_t gfp)
@@ -285,7 +284,7 @@ static struct rxrpc_peer *rxrpc_create_peer(struct rxrpc_sock *rx,
peer = rxrpc_alloc_peer(local, gfp, rxrpc_peer_new_client);
if (peer) {
memcpy(&peer->srx, srx, sizeof(*srx));
- rxrpc_init_peer(rx, peer, hash_key);
+ rxrpc_init_peer(local, peer, hash_key);
}
_leave(" = %p", peer);
@@ -304,14 +303,13 @@ static void rxrpc_free_peer(struct rxrpc_peer *peer)
* since we've already done a search in the list from the non-reentrant context
* (the data_ready handler) that is the only place we can add new peers.
*/
-void rxrpc_new_incoming_peer(struct rxrpc_sock *rx, struct rxrpc_local *local,
- struct rxrpc_peer *peer)
+void rxrpc_new_incoming_peer(struct rxrpc_local *local, struct rxrpc_peer *peer)
{
struct rxrpc_net *rxnet = local->rxnet;
unsigned long hash_key;
hash_key = rxrpc_peer_hash_key(local, &peer->srx);
- rxrpc_init_peer(rx, peer, hash_key);
+ rxrpc_init_peer(local, peer, hash_key);
spin_lock(&rxnet->peer_hash_lock);
hash_add_rcu(rxnet->peer_hash, &peer->hash_link, hash_key);
@@ -322,8 +320,7 @@ void rxrpc_new_incoming_peer(struct rxrpc_sock *rx, struct rxrpc_local *local,
/*
* obtain a remote transport endpoint for the specified address
*/
-struct rxrpc_peer *rxrpc_lookup_peer(struct rxrpc_sock *rx,
- struct rxrpc_local *local,
+struct rxrpc_peer *rxrpc_lookup_peer(struct rxrpc_local *local,
struct sockaddr_rxrpc *srx, gfp_t gfp)
{
struct rxrpc_peer *peer, *candidate;
@@ -343,7 +340,7 @@ struct rxrpc_peer *rxrpc_lookup_peer(struct rxrpc_sock *rx,
/* The peer is not yet present in hash - create a candidate
* for a new record and then redo the search.
*/
- candidate = rxrpc_create_peer(rx, local, srx, hash_key, gfp);
+ candidate = rxrpc_create_peer(local, srx, hash_key, gfp);
if (!candidate) {
_leave(" = NULL [nomem]");
return NULL;
diff --git a/net/rxrpc/proc.c b/net/rxrpc/proc.c
index 3a59591ec061..750158a085cd 100644
--- a/net/rxrpc/proc.c
+++ b/net/rxrpc/proc.c
@@ -12,13 +12,13 @@
static const char *const rxrpc_conn_states[RXRPC_CONN__NR_STATES] = {
[RXRPC_CONN_UNUSED] = "Unused ",
+ [RXRPC_CONN_CLIENT_UNSECURED] = "ClUnsec ",
[RXRPC_CONN_CLIENT] = "Client ",
[RXRPC_CONN_SERVICE_PREALLOC] = "SvPrealc",
[RXRPC_CONN_SERVICE_UNSECURED] = "SvUnsec ",
[RXRPC_CONN_SERVICE_CHALLENGING] = "SvChall ",
[RXRPC_CONN_SERVICE] = "SvSecure",
- [RXRPC_CONN_REMOTELY_ABORTED] = "RmtAbort",
- [RXRPC_CONN_LOCALLY_ABORTED] = "LocAbort",
+ [RXRPC_CONN_ABORTED] = "Aborted ",
};
/*
@@ -51,6 +51,7 @@ static int rxrpc_call_seq_show(struct seq_file *seq, void *v)
struct rxrpc_local *local;
struct rxrpc_call *call;
struct rxrpc_net *rxnet = rxrpc_net(seq_file_net(seq));
+ enum rxrpc_call_state state;
unsigned long timeout = 0;
rxrpc_seq_t acks_hard_ack;
char lbuff[50], rbuff[50];
@@ -75,7 +76,8 @@ static int rxrpc_call_seq_show(struct seq_file *seq, void *v)
sprintf(rbuff, "%pISpc", &call->dest_srx.transport);
- if (call->state != RXRPC_CALL_SERVER_PREALLOC) {
+ state = rxrpc_call_state(call);
+ if (state != RXRPC_CALL_SERVER_PREALLOC) {
timeout = READ_ONCE(call->expect_rx_by);
timeout -= jiffies;
}
@@ -92,7 +94,7 @@ static int rxrpc_call_seq_show(struct seq_file *seq, void *v)
call->call_id,
rxrpc_is_service_call(call) ? "Svc" : "Clt",
refcount_read(&call->ref),
- rxrpc_call_states[call->state],
+ rxrpc_call_states[state],
call->abort_code,
call->debug_id,
acks_hard_ack, READ_ONCE(call->tx_top) - acks_hard_ack,
@@ -143,6 +145,7 @@ static int rxrpc_connection_seq_show(struct seq_file *seq, void *v)
{
struct rxrpc_connection *conn;
struct rxrpc_net *rxnet = rxrpc_net(seq_file_net(seq));
+ const char *state;
char lbuff[50], rbuff[50];
if (v == &rxnet->conn_proc_list) {
@@ -163,9 +166,11 @@ static int rxrpc_connection_seq_show(struct seq_file *seq, void *v)
}
sprintf(lbuff, "%pISpc", &conn->local->srx.transport);
-
sprintf(rbuff, "%pISpc", &conn->peer->srx.transport);
print:
+ state = rxrpc_is_conn_aborted(conn) ?
+ rxrpc_call_completions[conn->completion] :
+ rxrpc_conn_states[conn->state];
seq_printf(seq,
"UDP %-47.47s %-47.47s %4x %08x %s %3u %3d"
" %s %08x %08x %08x %08x %08x %08x %08x\n",
@@ -176,7 +181,7 @@ print:
rxrpc_conn_is_service(conn) ? "Svc" : "Clt",
refcount_read(&conn->ref),
atomic_read(&conn->active),
- rxrpc_conn_states[conn->state],
+ state,
key_serial(conn->key),
atomic_read(&conn->serial),
conn->hi_serial,
diff --git a/net/rxrpc/recvmsg.c b/net/rxrpc/recvmsg.c
index 6ebd6440a2b7..dd54ceee7bcc 100644
--- a/net/rxrpc/recvmsg.c
+++ b/net/rxrpc/recvmsg.c
@@ -59,85 +59,6 @@ void rxrpc_notify_socket(struct rxrpc_call *call)
}
/*
- * Transition a call to the complete state.
- */
-bool __rxrpc_set_call_completion(struct rxrpc_call *call,
- enum rxrpc_call_completion compl,
- u32 abort_code,
- int error)
-{
- if (call->state < RXRPC_CALL_COMPLETE) {
- call->abort_code = abort_code;
- call->error = error;
- call->completion = compl;
- call->state = RXRPC_CALL_COMPLETE;
- trace_rxrpc_call_complete(call);
- wake_up(&call->waitq);
- rxrpc_notify_socket(call);
- return true;
- }
- return false;
-}
-
-bool rxrpc_set_call_completion(struct rxrpc_call *call,
- enum rxrpc_call_completion compl,
- u32 abort_code,
- int error)
-{
- bool ret = false;
-
- if (call->state < RXRPC_CALL_COMPLETE) {
- write_lock(&call->state_lock);
- ret = __rxrpc_set_call_completion(call, compl, abort_code, error);
- write_unlock(&call->state_lock);
- }
- return ret;
-}
-
-/*
- * Record that a call successfully completed.
- */
-bool __rxrpc_call_completed(struct rxrpc_call *call)
-{
- return __rxrpc_set_call_completion(call, RXRPC_CALL_SUCCEEDED, 0, 0);
-}
-
-bool rxrpc_call_completed(struct rxrpc_call *call)
-{
- bool ret = false;
-
- if (call->state < RXRPC_CALL_COMPLETE) {
- write_lock(&call->state_lock);
- ret = __rxrpc_call_completed(call);
- write_unlock(&call->state_lock);
- }
- return ret;
-}
-
-/*
- * Record that a call is locally aborted.
- */
-bool __rxrpc_abort_call(const char *why, struct rxrpc_call *call,
- rxrpc_seq_t seq, u32 abort_code, int error)
-{
- trace_rxrpc_abort(call->debug_id, why, call->cid, call->call_id, seq,
- abort_code, error);
- return __rxrpc_set_call_completion(call, RXRPC_CALL_LOCALLY_ABORTED,
- abort_code, error);
-}
-
-bool rxrpc_abort_call(const char *why, struct rxrpc_call *call,
- rxrpc_seq_t seq, u32 abort_code, int error)
-{
- bool ret;
-
- write_lock(&call->state_lock);
- ret = __rxrpc_abort_call(why, call, seq, abort_code, error);
- write_unlock(&call->state_lock);
- return ret;
-}
-
-/*
* Pass a call terminating message to userspace.
*/
static int rxrpc_recvmsg_term(struct rxrpc_call *call, struct msghdr *msg)
@@ -168,7 +89,7 @@ static int rxrpc_recvmsg_term(struct rxrpc_call *call, struct msghdr *msg)
ret = put_cmsg(msg, SOL_RXRPC, RXRPC_LOCAL_ERROR, 4, &tmp);
break;
default:
- pr_err("Invalid terminal call state %u\n", call->state);
+ pr_err("Invalid terminal call state %u\n", call->completion);
BUG();
break;
}
@@ -180,41 +101,6 @@ static int rxrpc_recvmsg_term(struct rxrpc_call *call, struct msghdr *msg)
}
/*
- * End the packet reception phase.
- */
-static void rxrpc_end_rx_phase(struct rxrpc_call *call, rxrpc_serial_t serial)
-{
- rxrpc_seq_t whigh = READ_ONCE(call->rx_highest_seq);
-
- _enter("%d,%s", call->debug_id, rxrpc_call_states[call->state]);
-
- trace_rxrpc_receive(call, rxrpc_receive_end, 0, whigh);
-
- if (call->state == RXRPC_CALL_CLIENT_RECV_REPLY)
- rxrpc_propose_delay_ACK(call, serial, rxrpc_propose_ack_terminal_ack);
-
- write_lock(&call->state_lock);
-
- switch (call->state) {
- case RXRPC_CALL_CLIENT_RECV_REPLY:
- __rxrpc_call_completed(call);
- write_unlock(&call->state_lock);
- break;
-
- case RXRPC_CALL_SERVER_RECV_REQUEST:
- call->state = RXRPC_CALL_SERVER_ACK_REQUEST;
- call->expect_req_by = jiffies + MAX_JIFFY_OFFSET;
- write_unlock(&call->state_lock);
- rxrpc_propose_delay_ACK(call, serial,
- rxrpc_propose_ack_processing_op);
- break;
- default:
- write_unlock(&call->state_lock);
- break;
- }
-}
-
-/*
* Discard a packet we've used up and advance the Rx window by one.
*/
static void rxrpc_rotate_rx_window(struct rxrpc_call *call)
@@ -244,10 +130,9 @@ static void rxrpc_rotate_rx_window(struct rxrpc_call *call)
trace_rxrpc_receive(call, last ? rxrpc_receive_rotate_last : rxrpc_receive_rotate,
serial, call->rx_consumed);
- if (last) {
- rxrpc_end_rx_phase(call, serial);
- return;
- }
+
+ if (last)
+ set_bit(RXRPC_CALL_RECVMSG_READ_ALL, &call->flags);
/* Check to see if there's an ACK that needs sending. */
acked = atomic_add_return(call->rx_consumed - old_consumed,
@@ -272,7 +157,8 @@ static int rxrpc_verify_data(struct rxrpc_call *call, struct sk_buff *skb)
/*
* Deliver messages to a call. This keeps processing packets until the buffer
* is filled and we find either more DATA (returns 0) or the end of the DATA
- * (returns 1). If more packets are required, it returns -EAGAIN.
+ * (returns 1). If more packets are required, it returns -EAGAIN and if the
+ * call has failed it returns -EIO.
*/
static int rxrpc_recvmsg_data(struct socket *sock, struct rxrpc_call *call,
struct msghdr *msg, struct iov_iter *iter,
@@ -288,7 +174,13 @@ static int rxrpc_recvmsg_data(struct socket *sock, struct rxrpc_call *call,
rx_pkt_offset = call->rx_pkt_offset;
rx_pkt_len = call->rx_pkt_len;
- if (call->state >= RXRPC_CALL_SERVER_ACK_REQUEST) {
+ if (rxrpc_call_has_failed(call)) {
+ seq = lower_32_bits(atomic64_read(&call->ackr_window)) - 1;
+ ret = -EIO;
+ goto done;
+ }
+
+ if (test_bit(RXRPC_CALL_RECVMSG_READ_ALL, &call->flags)) {
seq = lower_32_bits(atomic64_read(&call->ackr_window)) - 1;
ret = 1;
goto done;
@@ -312,14 +204,15 @@ static int rxrpc_recvmsg_data(struct socket *sock, struct rxrpc_call *call,
if (rx_pkt_offset == 0) {
ret2 = rxrpc_verify_data(call, skb);
- rx_pkt_offset = sp->offset;
- rx_pkt_len = sp->len;
trace_rxrpc_recvdata(call, rxrpc_recvmsg_next, seq,
- rx_pkt_offset, rx_pkt_len, ret2);
+ sp->offset, sp->len, ret2);
if (ret2 < 0) {
+ kdebug("verify = %d", ret2);
ret = ret2;
goto out;
}
+ rx_pkt_offset = sp->offset;
+ rx_pkt_len = sp->len;
} else {
trace_rxrpc_recvdata(call, rxrpc_recvmsg_cont, seq,
rx_pkt_offset, rx_pkt_len, 0);
@@ -494,36 +387,36 @@ try_again:
msg->msg_namelen = len;
}
- switch (READ_ONCE(call->state)) {
- case RXRPC_CALL_CLIENT_RECV_REPLY:
- case RXRPC_CALL_SERVER_RECV_REQUEST:
- case RXRPC_CALL_SERVER_ACK_REQUEST:
- ret = rxrpc_recvmsg_data(sock, call, msg, &msg->msg_iter, len,
- flags, &copied);
- if (ret == -EAGAIN)
- ret = 0;
-
- if (!skb_queue_empty(&call->recvmsg_queue))
- rxrpc_notify_socket(call);
- break;
- default:
+ ret = rxrpc_recvmsg_data(sock, call, msg, &msg->msg_iter, len,
+ flags, &copied);
+ if (ret == -EAGAIN)
ret = 0;
- break;
- }
-
+ if (ret == -EIO)
+ goto call_failed;
if (ret < 0)
goto error_unlock_call;
- if (call->state == RXRPC_CALL_COMPLETE) {
- ret = rxrpc_recvmsg_term(call, msg);
- if (ret < 0)
- goto error_unlock_call;
- if (!(flags & MSG_PEEK))
- rxrpc_release_call(rx, call);
- msg->msg_flags |= MSG_EOR;
- ret = 1;
- }
+ if (rxrpc_call_is_complete(call) &&
+ skb_queue_empty(&call->recvmsg_queue))
+ goto call_complete;
+ if (rxrpc_call_has_failed(call))
+ goto call_failed;
+ rxrpc_notify_socket(call);
+ goto not_yet_complete;
+
+call_failed:
+ rxrpc_purge_queue(&call->recvmsg_queue);
+call_complete:
+ ret = rxrpc_recvmsg_term(call, msg);
+ if (ret < 0)
+ goto error_unlock_call;
+ if (!(flags & MSG_PEEK))
+ rxrpc_release_call(rx, call);
+ msg->msg_flags |= MSG_EOR;
+ ret = 1;
+
+not_yet_complete:
if (ret == 0)
msg->msg_flags |= MSG_MORE;
else
@@ -586,49 +479,34 @@ int rxrpc_kernel_recv_data(struct socket *sock, struct rxrpc_call *call,
size_t offset = 0;
int ret;
- _enter("{%d,%s},%zu,%d",
- call->debug_id, rxrpc_call_states[call->state],
- *_len, want_more);
-
- ASSERTCMP(call->state, !=, RXRPC_CALL_SERVER_SECURING);
+ _enter("{%d},%zu,%d", call->debug_id, *_len, want_more);
mutex_lock(&call->user_mutex);
- switch (READ_ONCE(call->state)) {
- case RXRPC_CALL_CLIENT_RECV_REPLY:
- case RXRPC_CALL_SERVER_RECV_REQUEST:
- case RXRPC_CALL_SERVER_ACK_REQUEST:
- ret = rxrpc_recvmsg_data(sock, call, NULL, iter,
- *_len, 0, &offset);
- *_len -= offset;
- if (ret < 0)
- goto out;
-
- /* We can only reach here with a partially full buffer if we
- * have reached the end of the data. We must otherwise have a
- * full buffer or have been given -EAGAIN.
- */
- if (ret == 1) {
- if (iov_iter_count(iter) > 0)
- goto short_data;
- if (!want_more)
- goto read_phase_complete;
- ret = 0;
- goto out;
- }
-
- if (!want_more)
- goto excess_data;
+ ret = rxrpc_recvmsg_data(sock, call, NULL, iter, *_len, 0, &offset);
+ *_len -= offset;
+ if (ret == -EIO)
+ goto call_failed;
+ if (ret < 0)
goto out;
- case RXRPC_CALL_COMPLETE:
- goto call_complete;
-
- default:
- ret = -EINPROGRESS;
+ /* We can only reach here with a partially full buffer if we have
+ * reached the end of the data. We must otherwise have a full buffer
+ * or have been given -EAGAIN.
+ */
+ if (ret == 1) {
+ if (iov_iter_count(iter) > 0)
+ goto short_data;
+ if (!want_more)
+ goto read_phase_complete;
+ ret = 0;
goto out;
}
+ if (!want_more)
+ goto excess_data;
+ goto out;
+
read_phase_complete:
ret = 1;
out:
@@ -639,14 +517,18 @@ out:
return ret;
short_data:
- trace_rxrpc_rx_eproto(call, 0, tracepoint_string("short_data"));
+ trace_rxrpc_abort(call->debug_id, rxrpc_recvmsg_short_data,
+ call->cid, call->call_id, call->rx_consumed,
+ 0, -EBADMSG);
ret = -EBADMSG;
goto out;
excess_data:
- trace_rxrpc_rx_eproto(call, 0, tracepoint_string("excess_data"));
+ trace_rxrpc_abort(call->debug_id, rxrpc_recvmsg_excess_data,
+ call->cid, call->call_id, call->rx_consumed,
+ 0, -EMSGSIZE);
ret = -EMSGSIZE;
goto out;
-call_complete:
+call_failed:
*_abort = call->abort_code;
ret = call->error;
if (call->completion == RXRPC_CALL_SUCCEEDED) {
diff --git a/net/rxrpc/rxkad.c b/net/rxrpc/rxkad.c
index d1233720e05f..1bf571a66e02 100644
--- a/net/rxrpc/rxkad.c
+++ b/net/rxrpc/rxkad.c
@@ -411,18 +411,15 @@ static int rxkad_verify_packet_1(struct rxrpc_call *call, struct sk_buff *skb,
struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
struct rxrpc_crypt iv;
struct scatterlist sg[16];
- bool aborted;
u32 data_size, buf;
u16 check;
int ret;
_enter("");
- if (sp->len < 8) {
- aborted = rxrpc_abort_eproto(call, skb, "rxkad_1_hdr", "V1H",
- RXKADSEALEDINCON);
- goto protocol_error;
- }
+ if (sp->len < 8)
+ return rxrpc_abort_eproto(call, skb, RXKADSEALEDINCON,
+ rxkad_abort_1_short_header);
/* Decrypt the skbuff in-place. TODO: We really want to decrypt
* directly into the target buffer.
@@ -442,11 +439,9 @@ static int rxkad_verify_packet_1(struct rxrpc_call *call, struct sk_buff *skb,
skcipher_request_zero(req);
/* Extract the decrypted packet length */
- if (skb_copy_bits(skb, sp->offset, &sechdr, sizeof(sechdr)) < 0) {
- aborted = rxrpc_abort_eproto(call, skb, "rxkad_1_len", "XV1",
- RXKADDATALEN);
- goto protocol_error;
- }
+ if (skb_copy_bits(skb, sp->offset, &sechdr, sizeof(sechdr)) < 0)
+ return rxrpc_abort_eproto(call, skb, RXKADDATALEN,
+ rxkad_abort_1_short_encdata);
sp->offset += sizeof(sechdr);
sp->len -= sizeof(sechdr);
@@ -456,26 +451,16 @@ static int rxkad_verify_packet_1(struct rxrpc_call *call, struct sk_buff *skb,
check = buf >> 16;
check ^= seq ^ call->call_id;
check &= 0xffff;
- if (check != 0) {
- aborted = rxrpc_abort_eproto(call, skb, "rxkad_1_check", "V1C",
- RXKADSEALEDINCON);
- goto protocol_error;
- }
-
- if (data_size > sp->len) {
- aborted = rxrpc_abort_eproto(call, skb, "rxkad_1_datalen", "V1L",
- RXKADDATALEN);
- goto protocol_error;
- }
+ if (check != 0)
+ return rxrpc_abort_eproto(call, skb, RXKADSEALEDINCON,
+ rxkad_abort_1_short_check);
+ if (data_size > sp->len)
+ return rxrpc_abort_eproto(call, skb, RXKADDATALEN,
+ rxkad_abort_1_short_data);
sp->len = data_size;
_leave(" = 0 [dlen=%x]", data_size);
return 0;
-
-protocol_error:
- if (aborted)
- rxrpc_send_abort_packet(call);
- return -EPROTO;
}
/*
@@ -490,18 +475,15 @@ static int rxkad_verify_packet_2(struct rxrpc_call *call, struct sk_buff *skb,
struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
struct rxrpc_crypt iv;
struct scatterlist _sg[4], *sg;
- bool aborted;
u32 data_size, buf;
u16 check;
int nsg, ret;
_enter(",{%d}", sp->len);
- if (sp->len < 8) {
- aborted = rxrpc_abort_eproto(call, skb, "rxkad_2_hdr", "V2H",
- RXKADSEALEDINCON);
- goto protocol_error;
- }
+ if (sp->len < 8)
+ return rxrpc_abort_eproto(call, skb, RXKADSEALEDINCON,
+ rxkad_abort_2_short_header);
/* Decrypt the skbuff in-place. TODO: We really want to decrypt
* directly into the target buffer.
@@ -513,7 +495,7 @@ static int rxkad_verify_packet_2(struct rxrpc_call *call, struct sk_buff *skb,
} else {
sg = kmalloc_array(nsg, sizeof(*sg), GFP_NOIO);
if (!sg)
- goto nomem;
+ return -ENOMEM;
}
sg_init_table(sg, nsg);
@@ -537,11 +519,9 @@ static int rxkad_verify_packet_2(struct rxrpc_call *call, struct sk_buff *skb,
kfree(sg);
/* Extract the decrypted packet length */
- if (skb_copy_bits(skb, sp->offset, &sechdr, sizeof(sechdr)) < 0) {
- aborted = rxrpc_abort_eproto(call, skb, "rxkad_2_len", "XV2",
- RXKADDATALEN);
- goto protocol_error;
- }
+ if (skb_copy_bits(skb, sp->offset, &sechdr, sizeof(sechdr)) < 0)
+ return rxrpc_abort_eproto(call, skb, RXKADDATALEN,
+ rxkad_abort_2_short_len);
sp->offset += sizeof(sechdr);
sp->len -= sizeof(sechdr);
@@ -551,30 +531,17 @@ static int rxkad_verify_packet_2(struct rxrpc_call *call, struct sk_buff *skb,
check = buf >> 16;
check ^= seq ^ call->call_id;
check &= 0xffff;
- if (check != 0) {
- aborted = rxrpc_abort_eproto(call, skb, "rxkad_2_check", "V2C",
- RXKADSEALEDINCON);
- goto protocol_error;
- }
+ if (check != 0)
+ return rxrpc_abort_eproto(call, skb, RXKADSEALEDINCON,
+ rxkad_abort_2_short_check);
- if (data_size > sp->len) {
- aborted = rxrpc_abort_eproto(call, skb, "rxkad_2_datalen", "V2L",
- RXKADDATALEN);
- goto protocol_error;
- }
+ if (data_size > sp->len)
+ return rxrpc_abort_eproto(call, skb, RXKADDATALEN,
+ rxkad_abort_2_short_data);
sp->len = data_size;
_leave(" = 0 [dlen=%x]", data_size);
return 0;
-
-protocol_error:
- if (aborted)
- rxrpc_send_abort_packet(call);
- return -EPROTO;
-
-nomem:
- _leave(" = -ENOMEM");
- return -ENOMEM;
}
/*
@@ -590,7 +557,6 @@ static int rxkad_verify_packet(struct rxrpc_call *call, struct sk_buff *skb)
__be32 buf[2];
} crypto __aligned(8);
rxrpc_seq_t seq = sp->hdr.seq;
- bool aborted;
int ret;
u16 cksum;
u32 x, y;
@@ -627,9 +593,9 @@ static int rxkad_verify_packet(struct rxrpc_call *call, struct sk_buff *skb)
cksum = 1; /* zero checksums are not permitted */
if (cksum != sp->hdr.cksum) {
- aborted = rxrpc_abort_eproto(call, skb, "rxkad_csum", "VCK",
- RXKADSEALEDINCON);
- goto protocol_error;
+ ret = rxrpc_abort_eproto(call, skb, RXKADSEALEDINCON,
+ rxkad_abort_bad_checksum);
+ goto out;
}
switch (call->conn->security_level) {
@@ -647,13 +613,9 @@ static int rxkad_verify_packet(struct rxrpc_call *call, struct sk_buff *skb)
break;
}
+out:
skcipher_request_free(req);
return ret;
-
-protocol_error:
- if (aborted)
- rxrpc_send_abort_packet(call);
- return -EPROTO;
}
/*
@@ -821,34 +783,30 @@ static int rxkad_encrypt_response(struct rxrpc_connection *conn,
* respond to a challenge packet
*/
static int rxkad_respond_to_challenge(struct rxrpc_connection *conn,
- struct sk_buff *skb,
- u32 *_abort_code)
+ struct sk_buff *skb)
{
const struct rxrpc_key_token *token;
struct rxkad_challenge challenge;
struct rxkad_response *resp;
struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
- const char *eproto;
- u32 version, nonce, min_level, abort_code;
- int ret;
+ u32 version, nonce, min_level;
+ int ret = -EPROTO;
_enter("{%d,%x}", conn->debug_id, key_serial(conn->key));
- eproto = tracepoint_string("chall_no_key");
- abort_code = RX_PROTOCOL_ERROR;
if (!conn->key)
- goto protocol_error;
+ return rxrpc_abort_conn(conn, skb, RX_PROTOCOL_ERROR, -EPROTO,
+ rxkad_abort_chall_no_key);
- abort_code = RXKADEXPIRED;
ret = key_validate(conn->key);
if (ret < 0)
- goto other_error;
+ return rxrpc_abort_conn(conn, skb, RXKADEXPIRED, ret,
+ rxkad_abort_chall_key_expired);
- eproto = tracepoint_string("chall_short");
- abort_code = RXKADPACKETSHORT;
if (skb_copy_bits(skb, sizeof(struct rxrpc_wire_header),
&challenge, sizeof(challenge)) < 0)
- goto protocol_error;
+ return rxrpc_abort_conn(conn, skb, RXKADPACKETSHORT, -EPROTO,
+ rxkad_abort_chall_short);
version = ntohl(challenge.version);
nonce = ntohl(challenge.nonce);
@@ -856,15 +814,13 @@ static int rxkad_respond_to_challenge(struct rxrpc_connection *conn,
trace_rxrpc_rx_challenge(conn, sp->hdr.serial, version, nonce, min_level);
- eproto = tracepoint_string("chall_ver");
- abort_code = RXKADINCONSISTENCY;
if (version != RXKAD_VERSION)
- goto protocol_error;
+ return rxrpc_abort_conn(conn, skb, RXKADINCONSISTENCY, -EPROTO,
+ rxkad_abort_chall_version);
- abort_code = RXKADLEVELFAIL;
- ret = -EACCES;
if (conn->security_level < min_level)
- goto other_error;
+ return rxrpc_abort_conn(conn, skb, RXKADLEVELFAIL, -EACCES,
+ rxkad_abort_chall_level);
token = conn->key->payload.data[0];
@@ -893,13 +849,6 @@ static int rxkad_respond_to_challenge(struct rxrpc_connection *conn,
ret = rxkad_send_response(conn, &sp->hdr, resp, token->kad);
kfree(resp);
return ret;
-
-protocol_error:
- trace_rxrpc_rx_eproto(NULL, sp->hdr.serial, eproto);
- ret = -EPROTO;
-other_error:
- *_abort_code = abort_code;
- return ret;
}
/*
@@ -910,20 +859,15 @@ static int rxkad_decrypt_ticket(struct rxrpc_connection *conn,
struct sk_buff *skb,
void *ticket, size_t ticket_len,
struct rxrpc_crypt *_session_key,
- time64_t *_expiry,
- u32 *_abort_code)
+ time64_t *_expiry)
{
struct skcipher_request *req;
- struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
struct rxrpc_crypt iv, key;
struct scatterlist sg[1];
struct in_addr addr;
unsigned int life;
- const char *eproto;
time64_t issue, now;
bool little_endian;
- int ret;
- u32 abort_code;
u8 *p, *q, *name, *end;
_enter("{%d},{%x}", conn->debug_id, key_serial(server_key));
@@ -935,10 +879,9 @@ static int rxkad_decrypt_ticket(struct rxrpc_connection *conn,
memcpy(&iv, &server_key->payload.data[2], sizeof(iv));
- ret = -ENOMEM;
req = skcipher_request_alloc(server_key->payload.data[0], GFP_NOFS);
if (!req)
- goto temporary_error;
+ return -ENOMEM;
sg_init_one(&sg[0], ticket, ticket_len);
skcipher_request_set_callback(req, 0, NULL, NULL);
@@ -949,18 +892,21 @@ static int rxkad_decrypt_ticket(struct rxrpc_connection *conn,
p = ticket;
end = p + ticket_len;
-#define Z(field) \
- ({ \
- u8 *__str = p; \
- eproto = tracepoint_string("rxkad_bad_"#field); \
- q = memchr(p, 0, end - p); \
- if (!q || q - p > (field##_SZ)) \
- goto bad_ticket; \
- for (; p < q; p++) \
- if (!isprint(*p)) \
- goto bad_ticket; \
- p++; \
- __str; \
+#define Z(field, fieldl) \
+ ({ \
+ u8 *__str = p; \
+ q = memchr(p, 0, end - p); \
+ if (!q || q - p > field##_SZ) \
+ return rxrpc_abort_conn( \
+ conn, skb, RXKADBADTICKET, -EPROTO, \
+ rxkad_abort_resp_tkt_##fieldl); \
+ for (; p < q; p++) \
+ if (!isprint(*p)) \
+ return rxrpc_abort_conn( \
+ conn, skb, RXKADBADTICKET, -EPROTO, \
+ rxkad_abort_resp_tkt_##fieldl); \
+ p++; \
+ __str; \
})
/* extract the ticket flags */
@@ -969,20 +915,20 @@ static int rxkad_decrypt_ticket(struct rxrpc_connection *conn,
p++;
/* extract the authentication name */
- name = Z(ANAME);
+ name = Z(ANAME, aname);
_debug("KIV ANAME: %s", name);
/* extract the principal's instance */
- name = Z(INST);
+ name = Z(INST, inst);
_debug("KIV INST : %s", name);
/* extract the principal's authentication domain */
- name = Z(REALM);
+ name = Z(REALM, realm);
_debug("KIV REALM: %s", name);
- eproto = tracepoint_string("rxkad_bad_len");
if (end - p < 4 + 8 + 4 + 2)
- goto bad_ticket;
+ return rxrpc_abort_conn(conn, skb, RXKADBADTICKET, -EPROTO,
+ rxkad_abort_resp_tkt_short);
/* get the IPv4 address of the entity that requested the ticket */
memcpy(&addr, p, sizeof(addr));
@@ -1014,38 +960,23 @@ static int rxkad_decrypt_ticket(struct rxrpc_connection *conn,
_debug("KIV ISSUE: %llx [%llx]", issue, now);
/* check the ticket is in date */
- if (issue > now) {
- abort_code = RXKADNOAUTH;
- ret = -EKEYREJECTED;
- goto other_error;
- }
-
- if (issue < now - life) {
- abort_code = RXKADEXPIRED;
- ret = -EKEYEXPIRED;
- goto other_error;
- }
+ if (issue > now)
+ return rxrpc_abort_conn(conn, skb, RXKADNOAUTH, -EKEYREJECTED,
+ rxkad_abort_resp_tkt_future);
+ if (issue < now - life)
+ return rxrpc_abort_conn(conn, skb, RXKADEXPIRED, -EKEYEXPIRED,
+ rxkad_abort_resp_tkt_expired);
*_expiry = issue + life;
/* get the service name */
- name = Z(SNAME);
+ name = Z(SNAME, sname);
_debug("KIV SNAME: %s", name);
/* get the service instance name */
- name = Z(INST);
+ name = Z(INST, sinst);
_debug("KIV SINST: %s", name);
return 0;
-
-bad_ticket:
- trace_rxrpc_rx_eproto(NULL, sp->hdr.serial, eproto);
- abort_code = RXKADBADTICKET;
- ret = -EPROTO;
-other_error:
- *_abort_code = abort_code;
- return ret;
-temporary_error:
- return ret;
}
/*
@@ -1086,17 +1017,15 @@ static void rxkad_decrypt_response(struct rxrpc_connection *conn,
* verify a response
*/
static int rxkad_verify_response(struct rxrpc_connection *conn,
- struct sk_buff *skb,
- u32 *_abort_code)
+ struct sk_buff *skb)
{
struct rxkad_response *response;
struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
struct rxrpc_crypt session_key;
struct key *server_key;
- const char *eproto;
time64_t expiry;
void *ticket;
- u32 abort_code, version, kvno, ticket_len, level;
+ u32 version, kvno, ticket_len, level;
__be32 csum;
int ret, i;
@@ -1104,22 +1033,18 @@ static int rxkad_verify_response(struct rxrpc_connection *conn,
server_key = rxrpc_look_up_server_security(conn, skb, 0, 0);
if (IS_ERR(server_key)) {
- switch (PTR_ERR(server_key)) {
+ ret = PTR_ERR(server_key);
+ switch (ret) {
case -ENOKEY:
- abort_code = RXKADUNKNOWNKEY;
- break;
+ return rxrpc_abort_conn(conn, skb, RXKADUNKNOWNKEY, ret,
+ rxkad_abort_resp_nokey);
case -EKEYEXPIRED:
- abort_code = RXKADEXPIRED;
- break;
+ return rxrpc_abort_conn(conn, skb, RXKADEXPIRED, ret,
+ rxkad_abort_resp_key_expired);
default:
- abort_code = RXKADNOAUTH;
- break;
+ return rxrpc_abort_conn(conn, skb, RXKADNOAUTH, ret,
+ rxkad_abort_resp_key_rejected);
}
- trace_rxrpc_abort(0, "SVK",
- sp->hdr.cid, sp->hdr.callNumber, sp->hdr.seq,
- abort_code, PTR_ERR(server_key));
- *_abort_code = abort_code;
- return -EPROTO;
}
ret = -ENOMEM;
@@ -1127,11 +1052,12 @@ static int rxkad_verify_response(struct rxrpc_connection *conn,
if (!response)
goto temporary_error;
- eproto = tracepoint_string("rxkad_rsp_short");
- abort_code = RXKADPACKETSHORT;
if (skb_copy_bits(skb, sizeof(struct rxrpc_wire_header),
- response, sizeof(*response)) < 0)
+ response, sizeof(*response)) < 0) {
+ rxrpc_abort_conn(conn, skb, RXKADPACKETSHORT, -EPROTO,
+ rxkad_abort_resp_short);
goto protocol_error;
+ }
version = ntohl(response->version);
ticket_len = ntohl(response->ticket_len);
@@ -1139,20 +1065,23 @@ static int rxkad_verify_response(struct rxrpc_connection *conn,
trace_rxrpc_rx_response(conn, sp->hdr.serial, version, kvno, ticket_len);
- eproto = tracepoint_string("rxkad_rsp_ver");
- abort_code = RXKADINCONSISTENCY;
- if (version != RXKAD_VERSION)
+ if (version != RXKAD_VERSION) {
+ rxrpc_abort_conn(conn, skb, RXKADINCONSISTENCY, -EPROTO,
+ rxkad_abort_resp_version);
goto protocol_error;
+ }
- eproto = tracepoint_string("rxkad_rsp_tktlen");
- abort_code = RXKADTICKETLEN;
- if (ticket_len < 4 || ticket_len > MAXKRB5TICKETLEN)
+ if (ticket_len < 4 || ticket_len > MAXKRB5TICKETLEN) {
+ rxrpc_abort_conn(conn, skb, RXKADTICKETLEN, -EPROTO,
+ rxkad_abort_resp_tkt_len);
goto protocol_error;
+ }
- eproto = tracepoint_string("rxkad_rsp_unkkey");
- abort_code = RXKADUNKNOWNKEY;
- if (kvno >= RXKAD_TKT_TYPE_KERBEROS_V5)
+ if (kvno >= RXKAD_TKT_TYPE_KERBEROS_V5) {
+ rxrpc_abort_conn(conn, skb, RXKADUNKNOWNKEY, -EPROTO,
+ rxkad_abort_resp_unknown_tkt);
goto protocol_error;
+ }
/* extract the kerberos ticket and decrypt and decode it */
ret = -ENOMEM;
@@ -1160,15 +1089,15 @@ static int rxkad_verify_response(struct rxrpc_connection *conn,
if (!ticket)
goto temporary_error_free_resp;
- eproto = tracepoint_string("rxkad_tkt_short");
- abort_code = RXKADPACKETSHORT;
- ret = skb_copy_bits(skb, sizeof(struct rxrpc_wire_header) + sizeof(*response),
- ticket, ticket_len);
- if (ret < 0)
- goto temporary_error_free_ticket;
+ if (skb_copy_bits(skb, sizeof(struct rxrpc_wire_header) + sizeof(*response),
+ ticket, ticket_len) < 0) {
+ rxrpc_abort_conn(conn, skb, RXKADPACKETSHORT, -EPROTO,
+ rxkad_abort_resp_short_tkt);
+ goto protocol_error;
+ }
ret = rxkad_decrypt_ticket(conn, server_key, skb, ticket, ticket_len,
- &session_key, &expiry, _abort_code);
+ &session_key, &expiry);
if (ret < 0)
goto temporary_error_free_ticket;
@@ -1176,56 +1105,61 @@ static int rxkad_verify_response(struct rxrpc_connection *conn,
* response */
rxkad_decrypt_response(conn, response, &session_key);
- eproto = tracepoint_string("rxkad_rsp_param");
- abort_code = RXKADSEALEDINCON;
- if (ntohl(response->encrypted.epoch) != conn->proto.epoch)
- goto protocol_error_free;
- if (ntohl(response->encrypted.cid) != conn->proto.cid)
- goto protocol_error_free;
- if (ntohl(response->encrypted.securityIndex) != conn->security_ix)
+ if (ntohl(response->encrypted.epoch) != conn->proto.epoch ||
+ ntohl(response->encrypted.cid) != conn->proto.cid ||
+ ntohl(response->encrypted.securityIndex) != conn->security_ix) {
+ rxrpc_abort_conn(conn, skb, RXKADSEALEDINCON, -EPROTO,
+ rxkad_abort_resp_bad_param);
goto protocol_error_free;
+ }
+
csum = response->encrypted.checksum;
response->encrypted.checksum = 0;
rxkad_calc_response_checksum(response);
- eproto = tracepoint_string("rxkad_rsp_csum");
- if (response->encrypted.checksum != csum)
+ if (response->encrypted.checksum != csum) {
+ rxrpc_abort_conn(conn, skb, RXKADSEALEDINCON, -EPROTO,
+ rxkad_abort_resp_bad_checksum);
goto protocol_error_free;
+ }
- spin_lock(&conn->bundle->channel_lock);
for (i = 0; i < RXRPC_MAXCALLS; i++) {
- struct rxrpc_call *call;
u32 call_id = ntohl(response->encrypted.call_id[i]);
+ u32 counter = READ_ONCE(conn->channels[i].call_counter);
+
+ if (call_id > INT_MAX) {
+ rxrpc_abort_conn(conn, skb, RXKADSEALEDINCON, -EPROTO,
+ rxkad_abort_resp_bad_callid);
+ goto protocol_error_free;
+ }
- eproto = tracepoint_string("rxkad_rsp_callid");
- if (call_id > INT_MAX)
- goto protocol_error_unlock;
-
- eproto = tracepoint_string("rxkad_rsp_callctr");
- if (call_id < conn->channels[i].call_counter)
- goto protocol_error_unlock;
-
- eproto = tracepoint_string("rxkad_rsp_callst");
- if (call_id > conn->channels[i].call_counter) {
- call = rcu_dereference_protected(
- conn->channels[i].call,
- lockdep_is_held(&conn->bundle->channel_lock));
- if (call && call->state < RXRPC_CALL_COMPLETE)
- goto protocol_error_unlock;
+ if (call_id < counter) {
+ rxrpc_abort_conn(conn, skb, RXKADSEALEDINCON, -EPROTO,
+ rxkad_abort_resp_call_ctr);
+ goto protocol_error_free;
+ }
+
+ if (call_id > counter) {
+ if (conn->channels[i].call) {
+ rxrpc_abort_conn(conn, skb, RXKADSEALEDINCON, -EPROTO,
+ rxkad_abort_resp_call_state);
+ goto protocol_error_free;
+ }
conn->channels[i].call_counter = call_id;
}
}
- spin_unlock(&conn->bundle->channel_lock);
- eproto = tracepoint_string("rxkad_rsp_seq");
- abort_code = RXKADOUTOFSEQUENCE;
- if (ntohl(response->encrypted.inc_nonce) != conn->rxkad.nonce + 1)
+ if (ntohl(response->encrypted.inc_nonce) != conn->rxkad.nonce + 1) {
+ rxrpc_abort_conn(conn, skb, RXKADOUTOFSEQUENCE, -EPROTO,
+ rxkad_abort_resp_ooseq);
goto protocol_error_free;
+ }
- eproto = tracepoint_string("rxkad_rsp_level");
- abort_code = RXKADLEVELFAIL;
level = ntohl(response->encrypted.level);
- if (level > RXRPC_SECURITY_ENCRYPT)
+ if (level > RXRPC_SECURITY_ENCRYPT) {
+ rxrpc_abort_conn(conn, skb, RXKADLEVELFAIL, -EPROTO,
+ rxkad_abort_resp_level);
goto protocol_error_free;
+ }
conn->security_level = level;
/* create a key to hold the security data and expiration time - after
@@ -1240,15 +1174,11 @@ static int rxkad_verify_response(struct rxrpc_connection *conn,
_leave(" = 0");
return 0;
-protocol_error_unlock:
- spin_unlock(&conn->bundle->channel_lock);
protocol_error_free:
kfree(ticket);
protocol_error:
kfree(response);
- trace_rxrpc_rx_eproto(NULL, sp->hdr.serial, eproto);
key_put(server_key);
- *_abort_code = abort_code;
return -EPROTO;
temporary_error_free_ticket:
diff --git a/net/rxrpc/rxperf.c b/net/rxrpc/rxperf.c
index d33a109e846c..16dcabb71ebe 100644
--- a/net/rxrpc/rxperf.c
+++ b/net/rxrpc/rxperf.c
@@ -10,6 +10,8 @@
#include <linux/slab.h>
#include <net/sock.h>
#include <net/af_rxrpc.h>
+#define RXRPC_TRACE_ONLY_DEFINE_ENUMS
+#include <trace/events/rxrpc.h>
MODULE_DESCRIPTION("rxperf test server (afs)");
MODULE_AUTHOR("Red Hat, Inc.");
@@ -307,12 +309,14 @@ static void rxperf_deliver_to_call(struct work_struct *work)
case -EOPNOTSUPP:
abort_code = RXGEN_OPCODE;
rxrpc_kernel_abort_call(rxperf_socket, call->rxcall,
- abort_code, ret, "GOP");
+ abort_code, ret,
+ rxperf_abort_op_not_supported);
goto call_complete;
case -ENOTSUPP:
abort_code = RX_USER_ABORT;
rxrpc_kernel_abort_call(rxperf_socket, call->rxcall,
- abort_code, ret, "GUA");
+ abort_code, ret,
+ rxperf_abort_op_not_supported);
goto call_complete;
case -EIO:
pr_err("Call %u in bad state %u\n",
@@ -324,11 +328,13 @@ static void rxperf_deliver_to_call(struct work_struct *work)
case -ENOMEM:
case -EFAULT:
rxrpc_kernel_abort_call(rxperf_socket, call->rxcall,
- RXGEN_SS_UNMARSHAL, ret, "GUM");
+ RXGEN_SS_UNMARSHAL, ret,
+ rxperf_abort_unmarshal_error);
goto call_complete;
default:
rxrpc_kernel_abort_call(rxperf_socket, call->rxcall,
- RX_CALL_DEAD, ret, "GER");
+ RX_CALL_DEAD, ret,
+ rxperf_abort_general_error);
goto call_complete;
}
}
@@ -523,7 +529,8 @@ static int rxperf_process_call(struct rxperf_call *call)
if (n == -ENOMEM)
rxrpc_kernel_abort_call(rxperf_socket, call->rxcall,
- RXGEN_SS_MARSHAL, -ENOMEM, "GOM");
+ RXGEN_SS_MARSHAL, -ENOMEM,
+ rxperf_abort_oom);
return n;
}
diff --git a/net/rxrpc/security.c b/net/rxrpc/security.c
index ab968f65a490..cb8dd1d3b1d4 100644
--- a/net/rxrpc/security.c
+++ b/net/rxrpc/security.c
@@ -97,38 +97,31 @@ found:
*/
int rxrpc_init_client_conn_security(struct rxrpc_connection *conn)
{
- const struct rxrpc_security *sec;
struct rxrpc_key_token *token;
struct key *key = conn->key;
- int ret;
+ int ret = 0;
_enter("{%d},{%x}", conn->debug_id, key_serial(key));
- if (!key)
- return 0;
-
- ret = key_validate(key);
- if (ret < 0)
- return ret;
-
for (token = key->payload.data[0]; token; token = token->next) {
- sec = rxrpc_security_lookup(token->security_index);
- if (sec)
+ if (token->security_index == conn->security->security_index)
goto found;
}
return -EKEYREJECTED;
found:
- conn->security = sec;
-
- ret = conn->security->init_connection_security(conn, token);
- if (ret < 0) {
- conn->security = &rxrpc_no_security;
- return ret;
+ mutex_lock(&conn->security_lock);
+ if (conn->state == RXRPC_CONN_CLIENT_UNSECURED) {
+ ret = conn->security->init_connection_security(conn, token);
+ if (ret == 0) {
+ spin_lock(&conn->state_lock);
+ if (conn->state == RXRPC_CONN_CLIENT_UNSECURED)
+ conn->state = RXRPC_CONN_CLIENT;
+ spin_unlock(&conn->state_lock);
+ }
}
-
- _leave(" = 0");
- return 0;
+ mutex_unlock(&conn->security_lock);
+ return ret;
}
/*
@@ -144,21 +137,15 @@ const struct rxrpc_security *rxrpc_get_incoming_security(struct rxrpc_sock *rx,
sec = rxrpc_security_lookup(sp->hdr.securityIndex);
if (!sec) {
- trace_rxrpc_abort(0, "SVS",
- sp->hdr.cid, sp->hdr.callNumber, sp->hdr.seq,
- RX_INVALID_OPERATION, EKEYREJECTED);
- skb->mark = RXRPC_SKB_MARK_REJECT_ABORT;
- skb->priority = RX_INVALID_OPERATION;
+ rxrpc_direct_abort(skb, rxrpc_abort_unsupported_security,
+ RX_INVALID_OPERATION, -EKEYREJECTED);
return NULL;
}
if (sp->hdr.securityIndex != RXRPC_SECURITY_NONE &&
!rx->securities) {
- trace_rxrpc_abort(0, "SVR",
- sp->hdr.cid, sp->hdr.callNumber, sp->hdr.seq,
- RX_INVALID_OPERATION, EKEYREJECTED);
- skb->mark = RXRPC_SKB_MARK_REJECT_ABORT;
- skb->priority = sec->no_key_abort;
+ rxrpc_direct_abort(skb, rxrpc_abort_no_service_key,
+ sec->no_key_abort, -EKEYREJECTED);
return NULL;
}
@@ -191,9 +178,9 @@ struct key *rxrpc_look_up_server_security(struct rxrpc_connection *conn,
sprintf(kdesc, "%u:%u",
sp->hdr.serviceId, sp->hdr.securityIndex);
- rcu_read_lock();
+ read_lock(&conn->local->services_lock);
- rx = rcu_dereference(conn->local->service);
+ rx = conn->local->service;
if (!rx)
goto out;
@@ -215,6 +202,6 @@ struct key *rxrpc_look_up_server_security(struct rxrpc_connection *conn,
}
out:
- rcu_read_unlock();
+ read_unlock(&conn->local->services_lock);
return key;
}
diff --git a/net/rxrpc/sendmsg.c b/net/rxrpc/sendmsg.c
index cde1e65f16b4..da49fcf1c456 100644
--- a/net/rxrpc/sendmsg.c
+++ b/net/rxrpc/sendmsg.c
@@ -18,6 +18,81 @@
#include "ar-internal.h"
/*
+ * Propose an abort to be made in the I/O thread.
+ */
+bool rxrpc_propose_abort(struct rxrpc_call *call, s32 abort_code, int error,
+ enum rxrpc_abort_reason why)
+{
+ _enter("{%d},%d,%d,%u", call->debug_id, abort_code, error, why);
+
+ if (!call->send_abort && !rxrpc_call_is_complete(call)) {
+ call->send_abort_why = why;
+ call->send_abort_err = error;
+ call->send_abort_seq = 0;
+ /* Request abort locklessly vs rxrpc_input_call_event(). */
+ smp_store_release(&call->send_abort, abort_code);
+ rxrpc_poke_call(call, rxrpc_call_poke_abort);
+ return true;
+ }
+
+ return false;
+}
+
+/*
+ * Wait for a call to become connected. Interruption here doesn't cause the
+ * call to be aborted.
+ */
+static int rxrpc_wait_to_be_connected(struct rxrpc_call *call, long *timeo)
+{
+ DECLARE_WAITQUEUE(myself, current);
+ int ret = 0;
+
+ _enter("%d", call->debug_id);
+
+ if (rxrpc_call_state(call) != RXRPC_CALL_CLIENT_AWAIT_CONN)
+ return call->error;
+
+ add_wait_queue_exclusive(&call->waitq, &myself);
+
+ for (;;) {
+ ret = call->error;
+ if (ret < 0)
+ break;
+
+ switch (call->interruptibility) {
+ case RXRPC_INTERRUPTIBLE:
+ case RXRPC_PREINTERRUPTIBLE:
+ set_current_state(TASK_INTERRUPTIBLE);
+ break;
+ case RXRPC_UNINTERRUPTIBLE:
+ default:
+ set_current_state(TASK_UNINTERRUPTIBLE);
+ break;
+ }
+ if (rxrpc_call_state(call) != RXRPC_CALL_CLIENT_AWAIT_CONN) {
+ ret = call->error;
+ break;
+ }
+ if ((call->interruptibility == RXRPC_INTERRUPTIBLE ||
+ call->interruptibility == RXRPC_PREINTERRUPTIBLE) &&
+ signal_pending(current)) {
+ ret = sock_intr_errno(*timeo);
+ break;
+ }
+ *timeo = schedule_timeout(*timeo);
+ }
+
+ remove_wait_queue(&call->waitq, &myself);
+ __set_current_state(TASK_RUNNING);
+
+ if (ret == 0 && rxrpc_call_is_complete(call))
+ ret = call->error;
+
+ _leave(" = %d", ret);
+ return ret;
+}
+
+/*
* Return true if there's sufficient Tx queue space.
*/
static bool rxrpc_check_tx_space(struct rxrpc_call *call, rxrpc_seq_t *_tx_win)
@@ -39,7 +114,7 @@ static int rxrpc_wait_for_tx_window_intr(struct rxrpc_sock *rx,
if (rxrpc_check_tx_space(call, NULL))
return 0;
- if (call->state >= RXRPC_CALL_COMPLETE)
+ if (rxrpc_call_is_complete(call))
return call->error;
if (signal_pending(current))
@@ -74,7 +149,7 @@ static int rxrpc_wait_for_tx_window_waitall(struct rxrpc_sock *rx,
if (rxrpc_check_tx_space(call, &tx_win))
return 0;
- if (call->state >= RXRPC_CALL_COMPLETE)
+ if (rxrpc_call_is_complete(call))
return call->error;
if (timeout == 0 &&
@@ -103,7 +178,7 @@ static int rxrpc_wait_for_tx_window_nonintr(struct rxrpc_sock *rx,
if (rxrpc_check_tx_space(call, NULL))
return 0;
- if (call->state >= RXRPC_CALL_COMPLETE)
+ if (rxrpc_call_is_complete(call))
return call->error;
trace_rxrpc_txqueue(call, rxrpc_txqueue_wait);
@@ -168,7 +243,6 @@ static void rxrpc_queue_packet(struct rxrpc_sock *rx, struct rxrpc_call *call,
struct rxrpc_txbuf *txb,
rxrpc_notify_end_tx_t notify_end_tx)
{
- unsigned long now;
rxrpc_seq_t seq = txb->seq;
bool last = test_bit(RXRPC_TXBUF_LAST, &txb->flags), poke;
@@ -191,36 +265,10 @@ static void rxrpc_queue_packet(struct rxrpc_sock *rx, struct rxrpc_call *call,
poke = list_empty(&call->tx_sendmsg);
list_add_tail(&txb->call_link, &call->tx_sendmsg);
call->tx_prepared = seq;
+ if (last)
+ rxrpc_notify_end_tx(rx, call, notify_end_tx);
spin_unlock(&call->tx_lock);
- if (last || call->state == RXRPC_CALL_SERVER_ACK_REQUEST) {
- _debug("________awaiting reply/ACK__________");
- write_lock(&call->state_lock);
- switch (call->state) {
- case RXRPC_CALL_CLIENT_SEND_REQUEST:
- call->state = RXRPC_CALL_CLIENT_AWAIT_REPLY;
- rxrpc_notify_end_tx(rx, call, notify_end_tx);
- break;
- case RXRPC_CALL_SERVER_ACK_REQUEST:
- call->state = RXRPC_CALL_SERVER_SEND_REPLY;
- now = jiffies;
- WRITE_ONCE(call->delay_ack_at, now + MAX_JIFFY_OFFSET);
- if (call->ackr_reason == RXRPC_ACK_DELAY)
- call->ackr_reason = 0;
- trace_rxrpc_timer(call, rxrpc_timer_init_for_send_reply, now);
- if (!last)
- break;
- fallthrough;
- case RXRPC_CALL_SERVER_SEND_REPLY:
- call->state = RXRPC_CALL_SERVER_AWAIT_ACK;
- rxrpc_notify_end_tx(rx, call, notify_end_tx);
- break;
- default:
- break;
- }
- write_unlock(&call->state_lock);
- }
-
if (poke)
rxrpc_poke_call(call, rxrpc_call_poke_start);
}
@@ -245,6 +293,16 @@ static int rxrpc_send_data(struct rxrpc_sock *rx,
timeo = sock_sndtimeo(sk, msg->msg_flags & MSG_DONTWAIT);
+ ret = rxrpc_wait_to_be_connected(call, &timeo);
+ if (ret < 0)
+ return ret;
+
+ if (call->conn->state == RXRPC_CONN_CLIENT_UNSECURED) {
+ ret = rxrpc_init_client_conn_security(call->conn);
+ if (ret < 0)
+ return ret;
+ }
+
/* this should be in poll */
sk_clear_bit(SOCKWQ_ASYNC_NOSPACE, sk);
@@ -252,15 +310,20 @@ reload:
ret = -EPIPE;
if (sk->sk_shutdown & SEND_SHUTDOWN)
goto maybe_error;
- state = READ_ONCE(call->state);
+ state = rxrpc_call_state(call);
ret = -ESHUTDOWN;
if (state >= RXRPC_CALL_COMPLETE)
goto maybe_error;
ret = -EPROTO;
if (state != RXRPC_CALL_CLIENT_SEND_REQUEST &&
state != RXRPC_CALL_SERVER_ACK_REQUEST &&
- state != RXRPC_CALL_SERVER_SEND_REPLY)
+ state != RXRPC_CALL_SERVER_SEND_REPLY) {
+ /* Request phase complete for this client call */
+ trace_rxrpc_abort(call->debug_id, rxrpc_sendmsg_late_send,
+ call->cid, call->call_id, call->rx_consumed,
+ 0, -EPROTO);
goto maybe_error;
+ }
ret = -EMSGSIZE;
if (call->tx_total_len != -1) {
@@ -329,7 +392,7 @@ reload:
/* check for the far side aborting the call or a network error
* occurring */
- if (call->state == RXRPC_CALL_COMPLETE)
+ if (rxrpc_call_is_complete(call))
goto call_terminated;
/* add the packet to the send queue if it's now full */
@@ -354,12 +417,9 @@ reload:
success:
ret = copied;
- if (READ_ONCE(call->state) == RXRPC_CALL_COMPLETE) {
- read_lock(&call->state_lock);
- if (call->error < 0)
- ret = call->error;
- read_unlock(&call->state_lock);
- }
+ if (rxrpc_call_is_complete(call) &&
+ call->error < 0)
+ ret = call->error;
out:
call->tx_pending = txb;
_leave(" = %d", ret);
@@ -543,7 +603,6 @@ rxrpc_new_client_call_for_sendmsg(struct rxrpc_sock *rx, struct msghdr *msg,
atomic_inc_return(&rxrpc_debug_id));
/* The socket is now unlocked */
- rxrpc_put_peer(cp.peer, rxrpc_peer_put_discard_tmp);
_leave(" = %p\n", call);
return call;
}
@@ -556,7 +615,6 @@ rxrpc_new_client_call_for_sendmsg(struct rxrpc_sock *rx, struct msghdr *msg,
int rxrpc_do_sendmsg(struct rxrpc_sock *rx, struct msghdr *msg, size_t len)
__releases(&rx->sk.sk_lock.slock)
{
- enum rxrpc_call_state state;
struct rxrpc_call *call;
unsigned long now, j;
bool dropped_lock = false;
@@ -598,10 +656,10 @@ int rxrpc_do_sendmsg(struct rxrpc_sock *rx, struct msghdr *msg, size_t len)
return PTR_ERR(call);
/* ... and we have the call lock. */
ret = 0;
- if (READ_ONCE(call->state) == RXRPC_CALL_COMPLETE)
+ if (rxrpc_call_is_complete(call))
goto out_put_unlock;
} else {
- switch (READ_ONCE(call->state)) {
+ switch (rxrpc_call_state(call)) {
case RXRPC_CALL_UNINITIALISED:
case RXRPC_CALL_CLIENT_AWAIT_CONN:
case RXRPC_CALL_SERVER_PREALLOC:
@@ -655,17 +713,13 @@ int rxrpc_do_sendmsg(struct rxrpc_sock *rx, struct msghdr *msg, size_t len)
break;
}
- state = READ_ONCE(call->state);
- _debug("CALL %d USR %lx ST %d on CONN %p",
- call->debug_id, call->user_call_ID, state, call->conn);
-
- if (state >= RXRPC_CALL_COMPLETE) {
+ if (rxrpc_call_is_complete(call)) {
/* it's too late for this call */
ret = -ESHUTDOWN;
} else if (p.command == RXRPC_CMD_SEND_ABORT) {
+ rxrpc_propose_abort(call, p.abort_code, -ECONNABORTED,
+ rxrpc_abort_call_sendmsg);
ret = 0;
- if (rxrpc_abort_call("CMD", call, 0, p.abort_code, -ECONNABORTED))
- ret = rxrpc_send_abort_packet(call);
} else if (p.command != RXRPC_CMD_SEND_DATA) {
ret = -EINVAL;
} else {
@@ -705,34 +759,17 @@ int rxrpc_kernel_send_data(struct socket *sock, struct rxrpc_call *call,
bool dropped_lock = false;
int ret;
- _enter("{%d,%s},", call->debug_id, rxrpc_call_states[call->state]);
+ _enter("{%d},", call->debug_id);
ASSERTCMP(msg->msg_name, ==, NULL);
ASSERTCMP(msg->msg_control, ==, NULL);
mutex_lock(&call->user_mutex);
- _debug("CALL %d USR %lx ST %d on CONN %p",
- call->debug_id, call->user_call_ID, call->state, call->conn);
-
- switch (READ_ONCE(call->state)) {
- case RXRPC_CALL_CLIENT_SEND_REQUEST:
- case RXRPC_CALL_SERVER_ACK_REQUEST:
- case RXRPC_CALL_SERVER_SEND_REPLY:
- ret = rxrpc_send_data(rxrpc_sk(sock->sk), call, msg, len,
- notify_end_tx, &dropped_lock);
- break;
- case RXRPC_CALL_COMPLETE:
- read_lock(&call->state_lock);
+ ret = rxrpc_send_data(rxrpc_sk(sock->sk), call, msg, len,
+ notify_end_tx, &dropped_lock);
+ if (ret == -ESHUTDOWN)
ret = call->error;
- read_unlock(&call->state_lock);
- break;
- default:
- /* Request phase complete for this client call */
- trace_rxrpc_rx_eproto(call, 0, tracepoint_string("late_send"));
- ret = -EPROTO;
- break;
- }
if (!dropped_lock)
mutex_unlock(&call->user_mutex);
@@ -747,24 +784,20 @@ EXPORT_SYMBOL(rxrpc_kernel_send_data);
* @call: The call to be aborted
* @abort_code: The abort code to stick into the ABORT packet
* @error: Local error value
- * @why: 3-char string indicating why.
+ * @why: Indication as to why.
*
* Allow a kernel service to abort a call, if it's still in an abortable state
* and return true if the call was aborted, false if it was already complete.
*/
bool rxrpc_kernel_abort_call(struct socket *sock, struct rxrpc_call *call,
- u32 abort_code, int error, const char *why)
+ u32 abort_code, int error, enum rxrpc_abort_reason why)
{
bool aborted;
- _enter("{%d},%d,%d,%s", call->debug_id, abort_code, error, why);
+ _enter("{%d},%d,%d,%u", call->debug_id, abort_code, error, why);
mutex_lock(&call->user_mutex);
-
- aborted = rxrpc_abort_call(why, call, 0, abort_code, error);
- if (aborted)
- rxrpc_send_abort_packet(call);
-
+ aborted = rxrpc_propose_abort(call, abort_code, error, why);
mutex_unlock(&call->user_mutex);
return aborted;
}
diff --git a/net/sched/act_mpls.c b/net/sched/act_mpls.c
index ff47ce4d3968..6b26bdb999d7 100644
--- a/net/sched/act_mpls.c
+++ b/net/sched/act_mpls.c
@@ -134,6 +134,11 @@ static int valid_label(const struct nlattr *attr,
{
const u32 *label = nla_data(attr);
+ if (nla_len(attr) != sizeof(*label)) {
+ NL_SET_ERR_MSG_MOD(extack, "Invalid MPLS label length");
+ return -EINVAL;
+ }
+
if (*label & ~MPLS_LABEL_MASK || *label == MPLS_LABEL_IMPLNULL) {
NL_SET_ERR_MSG_MOD(extack, "MPLS label out of range");
return -EINVAL;
@@ -145,7 +150,8 @@ static int valid_label(const struct nlattr *attr,
static const struct nla_policy mpls_policy[TCA_MPLS_MAX + 1] = {
[TCA_MPLS_PARMS] = NLA_POLICY_EXACT_LEN(sizeof(struct tc_mpls)),
[TCA_MPLS_PROTO] = { .type = NLA_U16 },
- [TCA_MPLS_LABEL] = NLA_POLICY_VALIDATE_FN(NLA_U32, valid_label),
+ [TCA_MPLS_LABEL] = NLA_POLICY_VALIDATE_FN(NLA_BINARY,
+ valid_label),
[TCA_MPLS_TC] = NLA_POLICY_RANGE(NLA_U8, 0, 7),
[TCA_MPLS_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
[TCA_MPLS_BOS] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 2317db02c764..72d2c204d5f3 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -1133,6 +1133,11 @@ skip:
return -ENOENT;
}
+ if (new && new->ops == &noqueue_qdisc_ops) {
+ NL_SET_ERR_MSG(extack, "Cannot assign noqueue to a class");
+ return -EINVAL;
+ }
+
err = cops->graft(parent, cl, new, &old, extack);
if (err)
return err;
diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c
index 148bb0a7fa5b..acb822b23af1 100644
--- a/net/sunrpc/auth_gss/svcauth_gss.c
+++ b/net/sunrpc/auth_gss/svcauth_gss.c
@@ -923,7 +923,7 @@ unwrap_integ_data(struct svc_rqst *rqstp, struct xdr_buf *buf, u32 seq, struct g
* rejecting the server-computed MIC in this somewhat rare case,
* do not use splice with the GSS integrity service.
*/
- __clear_bit(RQ_SPLICE_OK, &rqstp->rq_flags);
+ clear_bit(RQ_SPLICE_OK, &rqstp->rq_flags);
/* Did we already verify the signature on the original pass through? */
if (rqstp->rq_deferred)
@@ -990,7 +990,7 @@ unwrap_priv_data(struct svc_rqst *rqstp, struct xdr_buf *buf, u32 seq, struct gs
int pad, remaining_len, offset;
u32 rseqno;
- __clear_bit(RQ_SPLICE_OK, &rqstp->rq_flags);
+ clear_bit(RQ_SPLICE_OK, &rqstp->rq_flags);
priv_len = svc_getnl(&buf->head[0]);
if (rqstp->rq_deferred) {
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index 85f0c3cfc877..f06622814a95 100644
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c
@@ -1243,10 +1243,10 @@ svc_process_common(struct svc_rqst *rqstp, struct kvec *argv, struct kvec *resv)
goto err_short_len;
/* Will be turned off by GSS integrity and privacy services */
- __set_bit(RQ_SPLICE_OK, &rqstp->rq_flags);
+ set_bit(RQ_SPLICE_OK, &rqstp->rq_flags);
/* Will be turned off only when NFSv4 Sessions are used */
- __set_bit(RQ_USEDEFERRAL, &rqstp->rq_flags);
- __clear_bit(RQ_DROPME, &rqstp->rq_flags);
+ set_bit(RQ_USEDEFERRAL, &rqstp->rq_flags);
+ clear_bit(RQ_DROPME, &rqstp->rq_flags);
svc_putu32(resv, rqstp->rq_xid);
diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c
index 2106003645a7..c2ce12538008 100644
--- a/net/sunrpc/svc_xprt.c
+++ b/net/sunrpc/svc_xprt.c
@@ -1238,7 +1238,7 @@ static struct cache_deferred_req *svc_defer(struct cache_req *req)
trace_svc_defer(rqstp);
svc_xprt_get(rqstp->rq_xprt);
dr->xprt = rqstp->rq_xprt;
- __set_bit(RQ_DROPME, &rqstp->rq_flags);
+ set_bit(RQ_DROPME, &rqstp->rq_flags);
dr->handle.revisit = svc_revisit;
return &dr->handle;
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index 015714398007..815baf308236 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -298,9 +298,9 @@ static void svc_sock_setbufsize(struct svc_sock *svsk, unsigned int nreqs)
static void svc_sock_secure_port(struct svc_rqst *rqstp)
{
if (svc_port_is_privileged(svc_addr(rqstp)))
- __set_bit(RQ_SECURE, &rqstp->rq_flags);
+ set_bit(RQ_SECURE, &rqstp->rq_flags);
else
- __clear_bit(RQ_SECURE, &rqstp->rq_flags);
+ clear_bit(RQ_SECURE, &rqstp->rq_flags);
}
/*
@@ -1008,9 +1008,9 @@ static int svc_tcp_recvfrom(struct svc_rqst *rqstp)
rqstp->rq_xprt_ctxt = NULL;
rqstp->rq_prot = IPPROTO_TCP;
if (test_bit(XPT_LOCAL, &svsk->sk_xprt.xpt_flags))
- __set_bit(RQ_LOCAL, &rqstp->rq_flags);
+ set_bit(RQ_LOCAL, &rqstp->rq_flags);
else
- __clear_bit(RQ_LOCAL, &rqstp->rq_flags);
+ clear_bit(RQ_LOCAL, &rqstp->rq_flags);
p = (__be32 *)rqstp->rq_arg.head[0].iov_base;
calldir = p[1];
diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c
index 199fa012f18a..94b20fb47135 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_transport.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c
@@ -602,7 +602,7 @@ static int svc_rdma_has_wspace(struct svc_xprt *xprt)
static void svc_rdma_secure_port(struct svc_rqst *rqstp)
{
- __set_bit(RQ_SECURE, &rqstp->rq_flags);
+ set_bit(RQ_SECURE, &rqstp->rq_flags);
}
static void svc_rdma_kill_temp_xprt(struct svc_xprt *xprt)
diff --git a/net/tipc/node.c b/net/tipc/node.c
index 49ddc484c4fe..5e000fde8067 100644
--- a/net/tipc/node.c
+++ b/net/tipc/node.c
@@ -1179,8 +1179,9 @@ void tipc_node_check_dest(struct net *net, u32 addr,
bool addr_match = false;
bool sign_match = false;
bool link_up = false;
+ bool link_is_reset = false;
bool accept_addr = false;
- bool reset = true;
+ bool reset = false;
char *if_name;
unsigned long intv;
u16 session;
@@ -1200,14 +1201,14 @@ void tipc_node_check_dest(struct net *net, u32 addr,
/* Prepare to validate requesting node's signature and media address */
l = le->link;
link_up = l && tipc_link_is_up(l);
+ link_is_reset = l && tipc_link_is_reset(l);
addr_match = l && !memcmp(&le->maddr, maddr, sizeof(*maddr));
sign_match = (signature == n->signature);
/* These three flags give us eight permutations: */
if (sign_match && addr_match && link_up) {
- /* All is fine. Do nothing. */
- reset = false;
+ /* All is fine. Ignore requests. */
/* Peer node is not a container/local namespace */
if (!n->peer_hash_mix)
n->peer_hash_mix = hash_mixes;
@@ -1232,6 +1233,7 @@ void tipc_node_check_dest(struct net *net, u32 addr,
*/
accept_addr = true;
*respond = true;
+ reset = true;
} else if (!sign_match && addr_match && link_up) {
/* Peer node rebooted. Two possibilities:
* - Delayed re-discovery; this link endpoint has already
@@ -1263,6 +1265,7 @@ void tipc_node_check_dest(struct net *net, u32 addr,
n->signature = signature;
accept_addr = true;
*respond = true;
+ reset = true;
}
if (!accept_addr)
@@ -1291,6 +1294,7 @@ void tipc_node_check_dest(struct net *net, u32 addr,
tipc_link_fsm_evt(l, LINK_RESET_EVT);
if (n->state == NODE_FAILINGOVER)
tipc_link_fsm_evt(l, LINK_FAILOVER_BEGIN_EVT);
+ link_is_reset = tipc_link_is_reset(l);
le->link = l;
n->link_cnt++;
tipc_node_calculate_timer(n, l);
@@ -1303,7 +1307,7 @@ void tipc_node_check_dest(struct net *net, u32 addr,
memcpy(&le->maddr, maddr, sizeof(*maddr));
exit:
tipc_node_write_unlock(n);
- if (reset && l && !tipc_link_is_reset(l))
+ if (reset && !link_is_reset)
tipc_node_link_down(n, b->identity, false);
tipc_node_put(n);
}
diff --git a/scripts/Makefile.vmlinux b/scripts/Makefile.vmlinux
index 49946cb96844..10176dec97ea 100644
--- a/scripts/Makefile.vmlinux
+++ b/scripts/Makefile.vmlinux
@@ -18,6 +18,7 @@ quiet_cmd_cc_o_c = CC $@
$(call if_changed_dep,cc_o_c)
ifdef CONFIG_MODULES
+KASAN_SANITIZE_.vmlinux.export.o := n
targets += .vmlinux.export.o
vmlinux: .vmlinux.export.o
endif
diff --git a/sound/core/control.c b/sound/core/control.c
index 50e7ba66f187..82aa1af1d1d8 100644
--- a/sound/core/control.c
+++ b/sound/core/control.c
@@ -1203,14 +1203,19 @@ static int snd_ctl_elem_read(struct snd_card *card,
const u32 pattern = 0xdeadbeef;
int ret;
+ down_read(&card->controls_rwsem);
kctl = snd_ctl_find_id(card, &control->id);
- if (kctl == NULL)
- return -ENOENT;
+ if (kctl == NULL) {
+ ret = -ENOENT;
+ goto unlock;
+ }
index_offset = snd_ctl_get_ioff(kctl, &control->id);
vd = &kctl->vd[index_offset];
- if (!(vd->access & SNDRV_CTL_ELEM_ACCESS_READ) || kctl->get == NULL)
- return -EPERM;
+ if (!(vd->access & SNDRV_CTL_ELEM_ACCESS_READ) || kctl->get == NULL) {
+ ret = -EPERM;
+ goto unlock;
+ }
snd_ctl_build_ioff(&control->id, kctl, index_offset);
@@ -1220,7 +1225,7 @@ static int snd_ctl_elem_read(struct snd_card *card,
info.id = control->id;
ret = __snd_ctl_elem_info(card, kctl, &info, NULL);
if (ret < 0)
- return ret;
+ goto unlock;
#endif
if (!snd_ctl_skip_validation(&info))
@@ -1230,7 +1235,7 @@ static int snd_ctl_elem_read(struct snd_card *card,
ret = kctl->get(kctl, control);
snd_power_unref(card);
if (ret < 0)
- return ret;
+ goto unlock;
if (!snd_ctl_skip_validation(&info) &&
sanity_check_elem_value(card, control, &info, pattern) < 0) {
dev_err(card->dev,
@@ -1238,8 +1243,11 @@ static int snd_ctl_elem_read(struct snd_card *card,
control->id.iface, control->id.device,
control->id.subdevice, control->id.name,
control->id.index);
- return -EINVAL;
+ ret = -EINVAL;
+ goto unlock;
}
+unlock:
+ up_read(&card->controls_rwsem);
return ret;
}
@@ -1253,9 +1261,7 @@ static int snd_ctl_elem_read_user(struct snd_card *card,
if (IS_ERR(control))
return PTR_ERR(control);
- down_read(&card->controls_rwsem);
result = snd_ctl_elem_read(card, control);
- up_read(&card->controls_rwsem);
if (result < 0)
goto error;
diff --git a/sound/core/control_led.c b/sound/core/control_led.c
index f975cc85772b..3cadd40100f3 100644
--- a/sound/core/control_led.c
+++ b/sound/core/control_led.c
@@ -530,12 +530,11 @@ static ssize_t set_led_id(struct snd_ctl_led_card *led_card, const char *buf, si
bool attach)
{
char buf2[256], *s, *os;
- size_t len = max(sizeof(s) - 1, count);
struct snd_ctl_elem_id id;
int err;
- strncpy(buf2, buf, len);
- buf2[len] = '\0';
+ if (strscpy(buf2, buf, sizeof(buf2)) < 0)
+ return -E2BIG;
memset(&id, 0, sizeof(id));
id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
s = buf2;
diff --git a/sound/pci/hda/cs35l41_hda.c b/sound/pci/hda/cs35l41_hda.c
index 91842c0c8c74..f7815ee24f83 100644
--- a/sound/pci/hda/cs35l41_hda.c
+++ b/sound/pci/hda/cs35l41_hda.c
@@ -598,8 +598,8 @@ static int cs35l41_system_suspend(struct device *dev)
dev_dbg(cs35l41->dev, "System Suspend\n");
if (cs35l41->hw_cfg.bst_type == CS35L41_EXT_BOOST_NO_VSPK_SWITCH) {
- dev_err(cs35l41->dev, "System Suspend not supported\n");
- return -EINVAL;
+ dev_err_once(cs35l41->dev, "System Suspend not supported\n");
+ return 0; /* don't block the whole system suspend */
}
ret = pm_runtime_force_suspend(dev);
@@ -624,8 +624,8 @@ static int cs35l41_system_resume(struct device *dev)
dev_dbg(cs35l41->dev, "System Resume\n");
if (cs35l41->hw_cfg.bst_type == CS35L41_EXT_BOOST_NO_VSPK_SWITCH) {
- dev_err(cs35l41->dev, "System Resume not supported\n");
- return -EINVAL;
+ dev_err_once(cs35l41->dev, "System Resume not supported\n");
+ return 0; /* don't block the whole system resume */
}
if (cs35l41->reset_gpio) {
@@ -647,6 +647,15 @@ static int cs35l41_system_resume(struct device *dev)
return ret;
}
+static int cs35l41_runtime_idle(struct device *dev)
+{
+ struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev);
+
+ if (cs35l41->hw_cfg.bst_type == CS35L41_EXT_BOOST_NO_VSPK_SWITCH)
+ return -EBUSY; /* suspend not supported yet on this model */
+ return 0;
+}
+
static int cs35l41_runtime_suspend(struct device *dev)
{
struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev);
@@ -1536,7 +1545,8 @@ void cs35l41_hda_remove(struct device *dev)
EXPORT_SYMBOL_NS_GPL(cs35l41_hda_remove, SND_HDA_SCODEC_CS35L41);
const struct dev_pm_ops cs35l41_hda_pm_ops = {
- RUNTIME_PM_OPS(cs35l41_runtime_suspend, cs35l41_runtime_resume, NULL)
+ RUNTIME_PM_OPS(cs35l41_runtime_suspend, cs35l41_runtime_resume,
+ cs35l41_runtime_idle)
SYSTEM_SLEEP_PM_OPS(cs35l41_system_suspend, cs35l41_system_resume)
};
EXPORT_SYMBOL_NS_GPL(cs35l41_hda_pm_ops, SND_HDA_SCODEC_CS35L41);
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index 386dd9d9143f..9ea633fe9339 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -1981,6 +1981,7 @@ static const struct snd_pci_quirk force_connect_list[] = {
SND_PCI_QUIRK(0x103c, 0x870f, "HP", 1),
SND_PCI_QUIRK(0x103c, 0x871a, "HP", 1),
SND_PCI_QUIRK(0x103c, 0x8711, "HP", 1),
+ SND_PCI_QUIRK(0x103c, 0x8715, "HP", 1),
SND_PCI_QUIRK(0x1462, 0xec94, "MS-7C94", 1),
SND_PCI_QUIRK(0x8086, 0x2081, "Intel NUC 10", 1),
{}
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 3794b522c222..6fab7c8fc19a 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -3564,6 +3564,15 @@ static void alc256_init(struct hda_codec *codec)
hda_nid_t hp_pin = alc_get_hp_pin(spec);
bool hp_pin_sense;
+ if (spec->ultra_low_power) {
+ alc_update_coef_idx(codec, 0x03, 1<<1, 1<<1);
+ alc_update_coef_idx(codec, 0x08, 3<<2, 3<<2);
+ alc_update_coef_idx(codec, 0x08, 7<<4, 0);
+ alc_update_coef_idx(codec, 0x3b, 1<<15, 0);
+ alc_update_coef_idx(codec, 0x0e, 7<<6, 7<<6);
+ msleep(30);
+ }
+
if (!hp_pin)
hp_pin = 0x21;
@@ -3575,14 +3584,6 @@ static void alc256_init(struct hda_codec *codec)
msleep(2);
alc_update_coefex_idx(codec, 0x57, 0x04, 0x0007, 0x1); /* Low power */
- if (spec->ultra_low_power) {
- alc_update_coef_idx(codec, 0x03, 1<<1, 1<<1);
- alc_update_coef_idx(codec, 0x08, 3<<2, 3<<2);
- alc_update_coef_idx(codec, 0x08, 7<<4, 0);
- alc_update_coef_idx(codec, 0x3b, 1<<15, 0);
- alc_update_coef_idx(codec, 0x0e, 7<<6, 7<<6);
- msleep(30);
- }
snd_hda_codec_write(codec, hp_pin, 0,
AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE);
@@ -3713,6 +3714,13 @@ static void alc225_init(struct hda_codec *codec)
hda_nid_t hp_pin = alc_get_hp_pin(spec);
bool hp1_pin_sense, hp2_pin_sense;
+ if (spec->ultra_low_power) {
+ alc_update_coef_idx(codec, 0x08, 0x0f << 2, 3<<2);
+ alc_update_coef_idx(codec, 0x0e, 7<<6, 7<<6);
+ alc_update_coef_idx(codec, 0x33, 1<<11, 0);
+ msleep(30);
+ }
+
if (spec->codec_variant != ALC269_TYPE_ALC287 &&
spec->codec_variant != ALC269_TYPE_ALC245)
/* required only at boot or S3 and S4 resume time */
@@ -3734,12 +3742,6 @@ static void alc225_init(struct hda_codec *codec)
msleep(2);
alc_update_coefex_idx(codec, 0x57, 0x04, 0x0007, 0x1); /* Low power */
- if (spec->ultra_low_power) {
- alc_update_coef_idx(codec, 0x08, 0x0f << 2, 3<<2);
- alc_update_coef_idx(codec, 0x0e, 7<<6, 7<<6);
- alc_update_coef_idx(codec, 0x33, 1<<11, 0);
- msleep(30);
- }
if (hp1_pin_sense || spec->ultra_low_power)
snd_hda_codec_write(codec, hp_pin, 0,
@@ -4644,6 +4646,16 @@ static void alc285_fixup_hp_coef_micmute_led(struct hda_codec *codec,
}
}
+static void alc285_fixup_hp_gpio_micmute_led(struct hda_codec *codec,
+ const struct hda_fixup *fix, int action)
+{
+ struct alc_spec *spec = codec->spec;
+
+ if (action == HDA_FIXUP_ACT_PRE_PROBE)
+ spec->micmute_led_polarity = 1;
+ alc_fixup_hp_gpio_led(codec, action, 0, 0x04);
+}
+
static void alc236_fixup_hp_coef_micmute_led(struct hda_codec *codec,
const struct hda_fixup *fix, int action)
{
@@ -4665,6 +4677,13 @@ static void alc285_fixup_hp_mute_led(struct hda_codec *codec,
alc285_fixup_hp_coef_micmute_led(codec, fix, action);
}
+static void alc285_fixup_hp_spectre_x360_mute_led(struct hda_codec *codec,
+ const struct hda_fixup *fix, int action)
+{
+ alc285_fixup_hp_mute_led_coefbit(codec, fix, action);
+ alc285_fixup_hp_gpio_micmute_led(codec, fix, action);
+}
+
static void alc236_fixup_hp_mute_led(struct hda_codec *codec,
const struct hda_fixup *fix, int action)
{
@@ -7106,6 +7125,7 @@ enum {
ALC285_FIXUP_ASUS_G533Z_PINS,
ALC285_FIXUP_HP_GPIO_LED,
ALC285_FIXUP_HP_MUTE_LED,
+ ALC285_FIXUP_HP_SPECTRE_X360_MUTE_LED,
ALC236_FIXUP_HP_GPIO_LED,
ALC236_FIXUP_HP_MUTE_LED,
ALC236_FIXUP_HP_MUTE_LED_MICMUTE_VREF,
@@ -8486,6 +8506,10 @@ static const struct hda_fixup alc269_fixups[] = {
.type = HDA_FIXUP_FUNC,
.v.func = alc285_fixup_hp_mute_led,
},
+ [ALC285_FIXUP_HP_SPECTRE_X360_MUTE_LED] = {
+ .type = HDA_FIXUP_FUNC,
+ .v.func = alc285_fixup_hp_spectre_x360_mute_led,
+ },
[ALC236_FIXUP_HP_GPIO_LED] = {
.type = HDA_FIXUP_FUNC,
.v.func = alc236_fixup_hp_gpio_led,
@@ -9239,6 +9263,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x1028, 0x0b1a, "Dell Precision 5570", ALC289_FIXUP_DUAL_SPK),
SND_PCI_QUIRK(0x1028, 0x0b37, "Dell Inspiron 16 Plus 7620 2-in-1", ALC295_FIXUP_DELL_INSPIRON_TOP_SPEAKERS),
SND_PCI_QUIRK(0x1028, 0x0b71, "Dell Inspiron 16 Plus 7620", ALC295_FIXUP_DELL_INSPIRON_TOP_SPEAKERS),
+ SND_PCI_QUIRK(0x1028, 0x0c03, "Dell Precision 5340", ALC269_FIXUP_DELL4_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1028, 0x0c19, "Dell Precision 3340", ALC236_FIXUP_DELL_DUAL_CODECS),
SND_PCI_QUIRK(0x1028, 0x0c1a, "Dell Precision 3340", ALC236_FIXUP_DELL_DUAL_CODECS),
SND_PCI_QUIRK(0x1028, 0x0c1b, "Dell Precision 3440", ALC236_FIXUP_DELL_DUAL_CODECS),
@@ -9327,6 +9352,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x103c, 0x86c7, "HP Envy AiO 32", ALC274_FIXUP_HP_ENVY_GPIO),
SND_PCI_QUIRK(0x103c, 0x86e7, "HP Spectre x360 15-eb0xxx", ALC285_FIXUP_HP_SPECTRE_X360_EB1),
SND_PCI_QUIRK(0x103c, 0x86e8, "HP Spectre x360 15-eb0xxx", ALC285_FIXUP_HP_SPECTRE_X360_EB1),
+ SND_PCI_QUIRK(0x103c, 0x86f9, "HP Spectre x360 13-aw0xxx", ALC285_FIXUP_HP_SPECTRE_X360_MUTE_LED),
SND_PCI_QUIRK(0x103c, 0x8716, "HP Elite Dragonfly G2 Notebook PC", ALC285_FIXUP_HP_GPIO_AMP_INIT),
SND_PCI_QUIRK(0x103c, 0x8720, "HP EliteBook x360 1040 G8 Notebook PC", ALC285_FIXUP_HP_GPIO_AMP_INIT),
SND_PCI_QUIRK(0x103c, 0x8724, "HP EliteBook 850 G7", ALC285_FIXUP_HP_GPIO_LED),
@@ -9406,6 +9432,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x103c, 0x8ad2, "HP EliteBook 860 16 inch G9 Notebook PC", ALC245_FIXUP_CS35L41_SPI_2_HP_GPIO_LED),
SND_PCI_QUIRK(0x103c, 0x8b5d, "HP", ALC236_FIXUP_HP_MUTE_LED_MICMUTE_VREF),
SND_PCI_QUIRK(0x103c, 0x8b5e, "HP", ALC236_FIXUP_HP_MUTE_LED_MICMUTE_VREF),
+ SND_PCI_QUIRK(0x103c, 0x8bf0, "HP", ALC236_FIXUP_HP_GPIO_LED),
SND_PCI_QUIRK(0x1043, 0x103e, "ASUS X540SA", ALC256_FIXUP_ASUS_MIC),
SND_PCI_QUIRK(0x1043, 0x103f, "ASUS TX300", ALC282_FIXUP_ASUS_TX300),
SND_PCI_QUIRK(0x1043, 0x106d, "Asus K53BE", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
diff --git a/sound/soc/amd/yc/acp6x-mach.c b/sound/soc/amd/yc/acp6x-mach.c
index 1f0b5527c594..0d283e41f66d 100644
--- a/sound/soc/amd/yc/acp6x-mach.c
+++ b/sound/soc/amd/yc/acp6x-mach.c
@@ -209,6 +209,13 @@ static const struct dmi_system_id yc_acp_quirk_table[] = {
{
.driver_data = &acp6x_card,
.matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK COMPUTER INC."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "M5402RA"),
+ }
+ },
+ {
+ .driver_data = &acp6x_card,
+ .matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Alienware"),
DMI_MATCH(DMI_PRODUCT_NAME, "Alienware m17 R5 AMD"),
}
@@ -220,6 +227,13 @@ static const struct dmi_system_id yc_acp_quirk_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "Redmi Book Pro 14 2022"),
}
},
+ {
+ .driver_data = &acp6x_card,
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "Razer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Blade 14 (2022) - RZ09-0427"),
+ }
+ },
{}
};
diff --git a/sound/soc/codecs/rt9120.c b/sound/soc/codecs/rt9120.c
index 644300e88b4c..fcf4fbaed3c7 100644
--- a/sound/soc/codecs/rt9120.c
+++ b/sound/soc/codecs/rt9120.c
@@ -177,8 +177,20 @@ static int rt9120_codec_probe(struct snd_soc_component *comp)
return 0;
}
+static int rt9120_codec_suspend(struct snd_soc_component *comp)
+{
+ return pm_runtime_force_suspend(comp->dev);
+}
+
+static int rt9120_codec_resume(struct snd_soc_component *comp)
+{
+ return pm_runtime_force_resume(comp->dev);
+}
+
static const struct snd_soc_component_driver rt9120_component_driver = {
.probe = rt9120_codec_probe,
+ .suspend = rt9120_codec_suspend,
+ .resume = rt9120_codec_resume,
.controls = rt9120_snd_controls,
.num_controls = ARRAY_SIZE(rt9120_snd_controls),
.dapm_widgets = rt9120_dapm_widgets,
diff --git a/sound/soc/codecs/wm8904.c b/sound/soc/codecs/wm8904.c
index ca6a01a230af..791d8738d1c0 100644
--- a/sound/soc/codecs/wm8904.c
+++ b/sound/soc/codecs/wm8904.c
@@ -697,6 +697,7 @@ static int out_pga_event(struct snd_soc_dapm_widget *w,
int dcs_mask;
int dcs_l, dcs_r;
int dcs_l_reg, dcs_r_reg;
+ int an_out_reg;
int timeout;
int pwr_reg;
@@ -712,6 +713,7 @@ static int out_pga_event(struct snd_soc_dapm_widget *w,
dcs_mask = WM8904_DCS_ENA_CHAN_0 | WM8904_DCS_ENA_CHAN_1;
dcs_r_reg = WM8904_DC_SERVO_8;
dcs_l_reg = WM8904_DC_SERVO_9;
+ an_out_reg = WM8904_ANALOGUE_OUT1_LEFT;
dcs_l = 0;
dcs_r = 1;
break;
@@ -720,6 +722,7 @@ static int out_pga_event(struct snd_soc_dapm_widget *w,
dcs_mask = WM8904_DCS_ENA_CHAN_2 | WM8904_DCS_ENA_CHAN_3;
dcs_r_reg = WM8904_DC_SERVO_6;
dcs_l_reg = WM8904_DC_SERVO_7;
+ an_out_reg = WM8904_ANALOGUE_OUT2_LEFT;
dcs_l = 2;
dcs_r = 3;
break;
@@ -792,6 +795,10 @@ static int out_pga_event(struct snd_soc_dapm_widget *w,
snd_soc_component_update_bits(component, reg,
WM8904_HPL_ENA_OUTP | WM8904_HPR_ENA_OUTP,
WM8904_HPL_ENA_OUTP | WM8904_HPR_ENA_OUTP);
+
+ /* Update volume, requires PGA to be powered */
+ val = snd_soc_component_read(component, an_out_reg);
+ snd_soc_component_write(component, an_out_reg, val);
break;
case SND_SOC_DAPM_POST_PMU:
diff --git a/sound/soc/fsl/fsl-asoc-card.c b/sound/soc/fsl/fsl-asoc-card.c
index c836848ef0a6..8d14b5593658 100644
--- a/sound/soc/fsl/fsl-asoc-card.c
+++ b/sound/soc/fsl/fsl-asoc-card.c
@@ -121,11 +121,11 @@ static const struct snd_soc_dapm_route audio_map[] = {
static const struct snd_soc_dapm_route audio_map_ac97[] = {
/* 1st half -- Normal DAPM routes */
- {"Playback", NULL, "AC97 Playback"},
- {"AC97 Capture", NULL, "Capture"},
+ {"AC97 Playback", NULL, "CPU AC97 Playback"},
+ {"CPU AC97 Capture", NULL, "AC97 Capture"},
/* 2nd half -- ASRC DAPM routes */
- {"AC97 Playback", NULL, "ASRC-Playback"},
- {"ASRC-Capture", NULL, "AC97 Capture"},
+ {"CPU AC97 Playback", NULL, "ASRC-Playback"},
+ {"ASRC-Capture", NULL, "CPU AC97 Capture"},
};
static const struct snd_soc_dapm_route audio_map_tx[] = {
diff --git a/sound/soc/fsl/fsl_micfil.c b/sound/soc/fsl/fsl_micfil.c
index 7b17f152bbf3..94341e4352b3 100644
--- a/sound/soc/fsl/fsl_micfil.c
+++ b/sound/soc/fsl/fsl_micfil.c
@@ -315,21 +315,21 @@ static int hwvad_detected(struct snd_kcontrol *kcontrol,
static const struct snd_kcontrol_new fsl_micfil_snd_controls[] = {
SOC_SINGLE_SX_TLV("CH0 Volume", REG_MICFIL_OUT_CTRL,
- MICFIL_OUTGAIN_CHX_SHIFT(0), 0xF, 0x7, gain_tlv),
+ MICFIL_OUTGAIN_CHX_SHIFT(0), 0x8, 0xF, gain_tlv),
SOC_SINGLE_SX_TLV("CH1 Volume", REG_MICFIL_OUT_CTRL,
- MICFIL_OUTGAIN_CHX_SHIFT(1), 0xF, 0x7, gain_tlv),
+ MICFIL_OUTGAIN_CHX_SHIFT(1), 0x8, 0xF, gain_tlv),
SOC_SINGLE_SX_TLV("CH2 Volume", REG_MICFIL_OUT_CTRL,
- MICFIL_OUTGAIN_CHX_SHIFT(2), 0xF, 0x7, gain_tlv),
+ MICFIL_OUTGAIN_CHX_SHIFT(2), 0x8, 0xF, gain_tlv),
SOC_SINGLE_SX_TLV("CH3 Volume", REG_MICFIL_OUT_CTRL,
- MICFIL_OUTGAIN_CHX_SHIFT(3), 0xF, 0x7, gain_tlv),
+ MICFIL_OUTGAIN_CHX_SHIFT(3), 0x8, 0xF, gain_tlv),
SOC_SINGLE_SX_TLV("CH4 Volume", REG_MICFIL_OUT_CTRL,
- MICFIL_OUTGAIN_CHX_SHIFT(4), 0xF, 0x7, gain_tlv),
+ MICFIL_OUTGAIN_CHX_SHIFT(4), 0x8, 0xF, gain_tlv),
SOC_SINGLE_SX_TLV("CH5 Volume", REG_MICFIL_OUT_CTRL,
- MICFIL_OUTGAIN_CHX_SHIFT(5), 0xF, 0x7, gain_tlv),
+ MICFIL_OUTGAIN_CHX_SHIFT(5), 0x8, 0xF, gain_tlv),
SOC_SINGLE_SX_TLV("CH6 Volume", REG_MICFIL_OUT_CTRL,
- MICFIL_OUTGAIN_CHX_SHIFT(6), 0xF, 0x7, gain_tlv),
+ MICFIL_OUTGAIN_CHX_SHIFT(6), 0x8, 0xF, gain_tlv),
SOC_SINGLE_SX_TLV("CH7 Volume", REG_MICFIL_OUT_CTRL,
- MICFIL_OUTGAIN_CHX_SHIFT(7), 0xF, 0x7, gain_tlv),
+ MICFIL_OUTGAIN_CHX_SHIFT(7), 0x8, 0xF, gain_tlv),
SOC_ENUM_EXT("MICFIL Quality Select",
fsl_micfil_quality_enum,
micfil_quality_get, micfil_quality_set),
diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c
index c9e0e31d5b34..46a53551b955 100644
--- a/sound/soc/fsl/fsl_ssi.c
+++ b/sound/soc/fsl/fsl_ssi.c
@@ -1189,14 +1189,14 @@ static struct snd_soc_dai_driver fsl_ssi_ac97_dai = {
.symmetric_channels = 1,
.probe = fsl_ssi_dai_probe,
.playback = {
- .stream_name = "AC97 Playback",
+ .stream_name = "CPU AC97 Playback",
.channels_min = 2,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_8000_48000,
.formats = SNDRV_PCM_FMTBIT_S16 | SNDRV_PCM_FMTBIT_S20,
},
.capture = {
- .stream_name = "AC97 Capture",
+ .stream_name = "CPU AC97 Capture",
.channels_min = 2,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_48000,
diff --git a/sound/soc/intel/boards/Kconfig b/sound/soc/intel/boards/Kconfig
index a472de1909f4..99308ed85277 100644
--- a/sound/soc/intel/boards/Kconfig
+++ b/sound/soc/intel/boards/Kconfig
@@ -554,10 +554,12 @@ config SND_SOC_INTEL_SOF_NAU8825_MACH
select SND_SOC_RT1015P
select SND_SOC_MAX98373_I2C
select SND_SOC_MAX98357A
+ select SND_SOC_NAU8315
select SND_SOC_DMIC
select SND_SOC_HDAC_HDMI
select SND_SOC_INTEL_HDA_DSP_COMMON
select SND_SOC_INTEL_SOF_MAXIM_COMMON
+ select SND_SOC_INTEL_SOF_REALTEK_COMMON
help
This adds support for ASoC machine driver for SOF platforms
with nau8825 codec.
diff --git a/sound/soc/intel/boards/sof_nau8825.c b/sound/soc/intel/boards/sof_nau8825.c
index 27880224359d..a800854c2831 100644
--- a/sound/soc/intel/boards/sof_nau8825.c
+++ b/sound/soc/intel/boards/sof_nau8825.c
@@ -48,6 +48,7 @@
#define SOF_MAX98373_SPEAKER_AMP_PRESENT BIT(15)
#define SOF_MAX98360A_SPEAKER_AMP_PRESENT BIT(16)
#define SOF_RT1015P_SPEAKER_AMP_PRESENT BIT(17)
+#define SOF_NAU8318_SPEAKER_AMP_PRESENT BIT(18)
static unsigned long sof_nau8825_quirk = SOF_NAU8825_SSP_CODEC(0);
@@ -338,6 +339,13 @@ static struct snd_soc_dai_link_component rt1019p_component[] = {
}
};
+static struct snd_soc_dai_link_component nau8318_components[] = {
+ {
+ .name = "NVTN2012:00",
+ .dai_name = "nau8315-hifi",
+ }
+};
+
static struct snd_soc_dai_link_component dummy_component[] = {
{
.name = "snd-soc-dummy",
@@ -486,6 +494,11 @@ static struct snd_soc_dai_link *sof_card_dai_links_create(struct device *dev,
max_98360a_dai_link(&links[id]);
} else if (sof_nau8825_quirk & SOF_RT1015P_SPEAKER_AMP_PRESENT) {
sof_rt1015p_dai_link(&links[id]);
+ } else if (sof_nau8825_quirk &
+ SOF_NAU8318_SPEAKER_AMP_PRESENT) {
+ links[id].codecs = nau8318_components;
+ links[id].num_codecs = ARRAY_SIZE(nau8318_components);
+ links[id].init = speaker_codec_init;
} else {
goto devm_err;
}
@@ -618,7 +631,7 @@ static const struct platform_device_id board_ids[] = {
},
{
- .name = "adl_rt1019p_nau8825",
+ .name = "adl_rt1019p_8825",
.driver_data = (kernel_ulong_t)(SOF_NAU8825_SSP_CODEC(0) |
SOF_SPEAKER_AMP_PRESENT |
SOF_RT1019P_SPEAKER_AMP_PRESENT |
@@ -626,7 +639,7 @@ static const struct platform_device_id board_ids[] = {
SOF_NAU8825_NUM_HDMIDEV(4)),
},
{
- .name = "adl_max98373_nau8825",
+ .name = "adl_max98373_8825",
.driver_data = (kernel_ulong_t)(SOF_NAU8825_SSP_CODEC(0) |
SOF_SPEAKER_AMP_PRESENT |
SOF_MAX98373_SPEAKER_AMP_PRESENT |
@@ -637,7 +650,7 @@ static const struct platform_device_id board_ids[] = {
},
{
/* The limitation of length of char array, shorten the name */
- .name = "adl_mx98360a_nau8825",
+ .name = "adl_mx98360a_8825",
.driver_data = (kernel_ulong_t)(SOF_NAU8825_SSP_CODEC(0) |
SOF_SPEAKER_AMP_PRESENT |
SOF_MAX98360A_SPEAKER_AMP_PRESENT |
@@ -648,7 +661,7 @@ static const struct platform_device_id board_ids[] = {
},
{
- .name = "adl_rt1015p_nau8825",
+ .name = "adl_rt1015p_8825",
.driver_data = (kernel_ulong_t)(SOF_NAU8825_SSP_CODEC(0) |
SOF_SPEAKER_AMP_PRESENT |
SOF_RT1015P_SPEAKER_AMP_PRESENT |
@@ -657,6 +670,16 @@ static const struct platform_device_id board_ids[] = {
SOF_BT_OFFLOAD_SSP(2) |
SOF_SSP_BT_OFFLOAD_PRESENT),
},
+ {
+ .name = "adl_nau8318_8825",
+ .driver_data = (kernel_ulong_t)(SOF_NAU8825_SSP_CODEC(0) |
+ SOF_SPEAKER_AMP_PRESENT |
+ SOF_NAU8318_SPEAKER_AMP_PRESENT |
+ SOF_NAU8825_SSP_AMP(1) |
+ SOF_NAU8825_NUM_HDMIDEV(4) |
+ SOF_BT_OFFLOAD_SSP(2) |
+ SOF_SSP_BT_OFFLOAD_PRESENT),
+ },
{ }
};
MODULE_DEVICE_TABLE(platform, board_ids);
diff --git a/sound/soc/intel/common/soc-acpi-intel-adl-match.c b/sound/soc/intel/common/soc-acpi-intel-adl-match.c
index 60aee56f94bd..56ee5fef66a8 100644
--- a/sound/soc/intel/common/soc-acpi-intel-adl-match.c
+++ b/sound/soc/intel/common/soc-acpi-intel-adl-match.c
@@ -450,6 +450,11 @@ static const struct snd_soc_acpi_codecs adl_lt6911_hdmi = {
.codecs = {"INTC10B0"}
};
+static const struct snd_soc_acpi_codecs adl_nau8318_amp = {
+ .num_codecs = 1,
+ .codecs = {"NVTN2012"}
+};
+
struct snd_soc_acpi_mach snd_soc_acpi_intel_adl_machines[] = {
{
.comp_ids = &adl_rt5682_rt5682s_hp,
@@ -474,21 +479,21 @@ struct snd_soc_acpi_mach snd_soc_acpi_intel_adl_machines[] = {
},
{
.id = "10508825",
- .drv_name = "adl_rt1019p_nau8825",
+ .drv_name = "adl_rt1019p_8825",
.machine_quirk = snd_soc_acpi_codec_list,
.quirk_data = &adl_rt1019p_amp,
.sof_tplg_filename = "sof-adl-rt1019-nau8825.tplg",
},
{
.id = "10508825",
- .drv_name = "adl_max98373_nau8825",
+ .drv_name = "adl_max98373_8825",
.machine_quirk = snd_soc_acpi_codec_list,
.quirk_data = &adl_max98373_amp,
.sof_tplg_filename = "sof-adl-max98373-nau8825.tplg",
},
{
.id = "10508825",
- .drv_name = "adl_mx98360a_nau8825",
+ .drv_name = "adl_mx98360a_8825",
.machine_quirk = snd_soc_acpi_codec_list,
.quirk_data = &adl_max98360a_amp,
.sof_tplg_filename = "sof-adl-max98360a-nau8825.tplg",
@@ -502,13 +507,20 @@ struct snd_soc_acpi_mach snd_soc_acpi_intel_adl_machines[] = {
},
{
.id = "10508825",
- .drv_name = "adl_rt1015p_nau8825",
+ .drv_name = "adl_rt1015p_8825",
.machine_quirk = snd_soc_acpi_codec_list,
.quirk_data = &adl_rt1015p_amp,
.sof_tplg_filename = "sof-adl-rt1015-nau8825.tplg",
},
{
.id = "10508825",
+ .drv_name = "adl_nau8318_8825",
+ .machine_quirk = snd_soc_acpi_codec_list,
+ .quirk_data = &adl_nau8318_amp,
+ .sof_tplg_filename = "sof-adl-nau8318-nau8825.tplg",
+ },
+ {
+ .id = "10508825",
.drv_name = "sof_nau8825",
.sof_tplg_filename = "sof-adl-nau8825.tplg",
},
diff --git a/sound/soc/intel/common/soc-acpi-intel-rpl-match.c b/sound/soc/intel/common/soc-acpi-intel-rpl-match.c
index 31b43116e3d8..07f96a11ea2f 100644
--- a/sound/soc/intel/common/soc-acpi-intel-rpl-match.c
+++ b/sound/soc/intel/common/soc-acpi-intel-rpl-match.c
@@ -203,6 +203,25 @@ static const struct snd_soc_acpi_link_adr rpl_sdw_rt711_link2_rt1316_link01_rt71
{}
};
+static const struct snd_soc_acpi_link_adr rpl_sdw_rt711_link2_rt1316_link01[] = {
+ {
+ .mask = BIT(2),
+ .num_adr = ARRAY_SIZE(rt711_sdca_2_adr),
+ .adr_d = rt711_sdca_2_adr,
+ },
+ {
+ .mask = BIT(0),
+ .num_adr = ARRAY_SIZE(rt1316_0_group2_adr),
+ .adr_d = rt1316_0_group2_adr,
+ },
+ {
+ .mask = BIT(1),
+ .num_adr = ARRAY_SIZE(rt1316_1_group2_adr),
+ .adr_d = rt1316_1_group2_adr,
+ },
+ {}
+};
+
static const struct snd_soc_acpi_link_adr rpl_sdw_rt711_link0_rt1318_link12_rt714_link3[] = {
{
.mask = BIT(0),
@@ -227,6 +246,25 @@ static const struct snd_soc_acpi_link_adr rpl_sdw_rt711_link0_rt1318_link12_rt71
{}
};
+static const struct snd_soc_acpi_link_adr rpl_sdw_rt711_link0_rt1318_link12[] = {
+ {
+ .mask = BIT(0),
+ .num_adr = ARRAY_SIZE(rt711_sdca_0_adr),
+ .adr_d = rt711_sdca_0_adr,
+ },
+ {
+ .mask = BIT(1),
+ .num_adr = ARRAY_SIZE(rt1318_1_group1_adr),
+ .adr_d = rt1318_1_group1_adr,
+ },
+ {
+ .mask = BIT(2),
+ .num_adr = ARRAY_SIZE(rt1318_2_group1_adr),
+ .adr_d = rt1318_2_group1_adr,
+ },
+ {}
+};
+
static const struct snd_soc_acpi_link_adr rpl_sdw_rt1316_link12_rt714_link0[] = {
{
.mask = BIT(1),
@@ -272,12 +310,24 @@ struct snd_soc_acpi_mach snd_soc_acpi_intel_rpl_sdw_machines[] = {
.sof_tplg_filename = "sof-rpl-rt711-l0-rt1318-l12-rt714-l3.tplg",
},
{
+ .link_mask = 0x7, /* rt711 on link0 & two rt1318s on link1 and link2 */
+ .links = rpl_sdw_rt711_link0_rt1318_link12,
+ .drv_name = "sof_sdw",
+ .sof_tplg_filename = "sof-rpl-rt711-l0-rt1318-l12.tplg",
+ },
+ {
.link_mask = 0x7, /* rt714 on link0 & two rt1316s on link1 and link2 */
.links = rpl_sdw_rt1316_link12_rt714_link0,
.drv_name = "sof_sdw",
.sof_tplg_filename = "sof-rpl-rt1316-l12-rt714-l0.tplg",
},
{
+ .link_mask = 0x7, /* rt711 on link2 & two rt1316s on link0 and link1 */
+ .links = rpl_sdw_rt711_link2_rt1316_link01,
+ .drv_name = "sof_sdw",
+ .sof_tplg_filename = "sof-rpl-rt711-l2-rt1316-l01.tplg",
+ },
+ {
.link_mask = 0x1, /* link0 required */
.links = rpl_rvp,
.drv_name = "sof_sdw",
diff --git a/sound/soc/mediatek/Kconfig b/sound/soc/mediatek/Kconfig
index 363fa4d47680..b027fba8233d 100644
--- a/sound/soc/mediatek/Kconfig
+++ b/sound/soc/mediatek/Kconfig
@@ -182,10 +182,12 @@ config SND_SOC_MT8186_MT6366_DA7219_MAX98357
If unsure select "N".
config SND_SOC_MT8186_MT6366_RT1019_RT5682S
- tristate "ASoC Audio driver for MT8186 with RT1019 RT5682S codec"
+ tristate "ASoC Audio driver for MT8186 with RT1019 RT5682S MAX98357A/MAX98360 codec"
depends on I2C && GPIOLIB
depends on SND_SOC_MT8186 && MTK_PMIC_WRAP
+ select SND_SOC_MAX98357A
select SND_SOC_MT6358
+ select SND_SOC_MAX98357A
select SND_SOC_RT1015P
select SND_SOC_RT5682S
select SND_SOC_BT_SCO
diff --git a/sound/soc/mediatek/mt8186/mt8186-mt6366-rt1019-rt5682s.c b/sound/soc/mediatek/mt8186/mt8186-mt6366-rt1019-rt5682s.c
index 8f77a0bc1dc8..af44e331dae8 100644
--- a/sound/soc/mediatek/mt8186/mt8186-mt6366-rt1019-rt5682s.c
+++ b/sound/soc/mediatek/mt8186/mt8186-mt6366-rt1019-rt5682s.c
@@ -1083,6 +1083,21 @@ static struct snd_soc_card mt8186_mt6366_rt1019_rt5682s_soc_card = {
.num_configs = ARRAY_SIZE(mt8186_mt6366_rt1019_rt5682s_codec_conf),
};
+static struct snd_soc_card mt8186_mt6366_rt5682s_max98360_soc_card = {
+ .name = "mt8186_rt5682s_max98360",
+ .owner = THIS_MODULE,
+ .dai_link = mt8186_mt6366_rt1019_rt5682s_dai_links,
+ .num_links = ARRAY_SIZE(mt8186_mt6366_rt1019_rt5682s_dai_links),
+ .controls = mt8186_mt6366_rt1019_rt5682s_controls,
+ .num_controls = ARRAY_SIZE(mt8186_mt6366_rt1019_rt5682s_controls),
+ .dapm_widgets = mt8186_mt6366_rt1019_rt5682s_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(mt8186_mt6366_rt1019_rt5682s_widgets),
+ .dapm_routes = mt8186_mt6366_rt1019_rt5682s_routes,
+ .num_dapm_routes = ARRAY_SIZE(mt8186_mt6366_rt1019_rt5682s_routes),
+ .codec_conf = mt8186_mt6366_rt1019_rt5682s_codec_conf,
+ .num_configs = ARRAY_SIZE(mt8186_mt6366_rt1019_rt5682s_codec_conf),
+};
+
static int mt8186_mt6366_rt1019_rt5682s_dev_probe(struct platform_device *pdev)
{
struct snd_soc_card *card;
@@ -1232,9 +1247,14 @@ err_adsp_node:
#if IS_ENABLED(CONFIG_OF)
static const struct of_device_id mt8186_mt6366_rt1019_rt5682s_dt_match[] = {
- { .compatible = "mediatek,mt8186-mt6366-rt1019-rt5682s-sound",
+ {
+ .compatible = "mediatek,mt8186-mt6366-rt1019-rt5682s-sound",
.data = &mt8186_mt6366_rt1019_rt5682s_soc_card,
},
+ {
+ .compatible = "mediatek,mt8186-mt6366-rt5682s-max98360-sound",
+ .data = &mt8186_mt6366_rt5682s_max98360_soc_card,
+ },
{}
};
MODULE_DEVICE_TABLE(of, mt8186_mt6366_rt1019_rt5682s_dt_match);
diff --git a/sound/soc/qcom/Kconfig b/sound/soc/qcom/Kconfig
index 96a6d4731e6f..e7b00d1d9e99 100644
--- a/sound/soc/qcom/Kconfig
+++ b/sound/soc/qcom/Kconfig
@@ -2,7 +2,6 @@
menuconfig SND_SOC_QCOM
tristate "ASoC support for QCOM platforms"
depends on ARCH_QCOM || COMPILE_TEST
- imply SND_SOC_QCOM_COMMON
help
Say Y or M if you want to add support to use audio devices
in Qualcomm Technologies SOC-based platforms.
@@ -60,14 +59,16 @@ config SND_SOC_STORM
config SND_SOC_APQ8016_SBC
tristate "SoC Audio support for APQ8016 SBC platforms"
select SND_SOC_LPASS_APQ8016
- depends on SND_SOC_QCOM_COMMON
+ select SND_SOC_QCOM_COMMON
help
Support for Qualcomm Technologies LPASS audio block in
APQ8016 SOC-based systems.
Say Y if you want to use audio devices on MI2S.
config SND_SOC_QCOM_COMMON
- depends on SOUNDWIRE
+ tristate
+
+config SND_SOC_QCOM_SDW
tristate
config SND_SOC_QDSP6_COMMON
@@ -144,7 +145,7 @@ config SND_SOC_MSM8996
depends on QCOM_APR
depends on COMMON_CLK
select SND_SOC_QDSP6
- depends on SND_SOC_QCOM_COMMON
+ select SND_SOC_QCOM_COMMON
help
Support for Qualcomm Technologies LPASS audio block in
APQ8096 SoC-based systems.
@@ -155,7 +156,7 @@ config SND_SOC_SDM845
depends on QCOM_APR && I2C && SOUNDWIRE
depends on COMMON_CLK
select SND_SOC_QDSP6
- depends on SND_SOC_QCOM_COMMON
+ select SND_SOC_QCOM_COMMON
select SND_SOC_RT5663
select SND_SOC_MAX98927
imply SND_SOC_CROS_EC_CODEC
@@ -169,7 +170,8 @@ config SND_SOC_SM8250
depends on QCOM_APR && SOUNDWIRE
depends on COMMON_CLK
select SND_SOC_QDSP6
- depends on SND_SOC_QCOM_COMMON
+ select SND_SOC_QCOM_COMMON
+ select SND_SOC_QCOM_SDW
help
To add support for audio on Qualcomm Technologies Inc.
SM8250 SoC-based systems.
@@ -180,7 +182,8 @@ config SND_SOC_SC8280XP
depends on QCOM_APR && SOUNDWIRE
depends on COMMON_CLK
select SND_SOC_QDSP6
- depends on SND_SOC_QCOM_COMMON
+ select SND_SOC_QCOM_COMMON
+ select SND_SOC_QCOM_SDW
help
To add support for audio on Qualcomm Technologies Inc.
SC8280XP SoC-based systems.
@@ -190,7 +193,7 @@ config SND_SOC_SC7180
tristate "SoC Machine driver for SC7180 boards"
depends on I2C && GPIOLIB
depends on SOUNDWIRE || SOUNDWIRE=n
- depends on SND_SOC_QCOM_COMMON
+ select SND_SOC_QCOM_COMMON
select SND_SOC_LPASS_SC7180
select SND_SOC_MAX98357A
select SND_SOC_RT5682_I2C
@@ -204,7 +207,7 @@ config SND_SOC_SC7180
config SND_SOC_SC7280
tristate "SoC Machine driver for SC7280 boards"
depends on I2C && SOUNDWIRE
- depends on SND_SOC_QCOM_COMMON
+ select SND_SOC_QCOM_COMMON
select SND_SOC_LPASS_SC7280
select SND_SOC_MAX98357A
select SND_SOC_WCD938X_SDW
diff --git a/sound/soc/qcom/Makefile b/sound/soc/qcom/Makefile
index 8b97172cf990..254350d9dc06 100644
--- a/sound/soc/qcom/Makefile
+++ b/sound/soc/qcom/Makefile
@@ -28,6 +28,7 @@ snd-soc-sdm845-objs := sdm845.o
snd-soc-sm8250-objs := sm8250.o
snd-soc-sc8280xp-objs := sc8280xp.o
snd-soc-qcom-common-objs := common.o
+snd-soc-qcom-sdw-objs := sdw.o
obj-$(CONFIG_SND_SOC_STORM) += snd-soc-storm.o
obj-$(CONFIG_SND_SOC_APQ8016_SBC) += snd-soc-apq8016-sbc.o
@@ -38,6 +39,7 @@ obj-$(CONFIG_SND_SOC_SC8280XP) += snd-soc-sc8280xp.o
obj-$(CONFIG_SND_SOC_SDM845) += snd-soc-sdm845.o
obj-$(CONFIG_SND_SOC_SM8250) += snd-soc-sm8250.o
obj-$(CONFIG_SND_SOC_QCOM_COMMON) += snd-soc-qcom-common.o
+obj-$(CONFIG_SND_SOC_QCOM_SDW) += snd-soc-qcom-sdw.o
#DSP lib
obj-$(CONFIG_SND_SOC_QDSP6) += qdsp6/
diff --git a/sound/soc/qcom/common.c b/sound/soc/qcom/common.c
index 49c74c1662a3..96fe80241fb4 100644
--- a/sound/soc/qcom/common.c
+++ b/sound/soc/qcom/common.c
@@ -180,120 +180,6 @@ err_put_np:
}
EXPORT_SYMBOL_GPL(qcom_snd_parse_of);
-int qcom_snd_sdw_prepare(struct snd_pcm_substream *substream,
- struct sdw_stream_runtime *sruntime,
- bool *stream_prepared)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
- int ret;
-
- if (!sruntime)
- return 0;
-
- switch (cpu_dai->id) {
- case WSA_CODEC_DMA_RX_0:
- case WSA_CODEC_DMA_RX_1:
- case RX_CODEC_DMA_RX_0:
- case RX_CODEC_DMA_RX_1:
- case TX_CODEC_DMA_TX_0:
- case TX_CODEC_DMA_TX_1:
- case TX_CODEC_DMA_TX_2:
- case TX_CODEC_DMA_TX_3:
- break;
- default:
- return 0;
- }
-
- if (*stream_prepared) {
- sdw_disable_stream(sruntime);
- sdw_deprepare_stream(sruntime);
- *stream_prepared = false;
- }
-
- ret = sdw_prepare_stream(sruntime);
- if (ret)
- return ret;
-
- /**
- * NOTE: there is a strict hw requirement about the ordering of port
- * enables and actual WSA881x PA enable. PA enable should only happen
- * after soundwire ports are enabled if not DC on the line is
- * accumulated resulting in Click/Pop Noise
- * PA enable/mute are handled as part of codec DAPM and digital mute.
- */
-
- ret = sdw_enable_stream(sruntime);
- if (ret) {
- sdw_deprepare_stream(sruntime);
- return ret;
- }
- *stream_prepared = true;
-
- return ret;
-}
-EXPORT_SYMBOL_GPL(qcom_snd_sdw_prepare);
-
-int qcom_snd_sdw_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params,
- struct sdw_stream_runtime **psruntime)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_dai *codec_dai;
- struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
- struct sdw_stream_runtime *sruntime;
- int i;
-
- switch (cpu_dai->id) {
- case WSA_CODEC_DMA_RX_0:
- case RX_CODEC_DMA_RX_0:
- case RX_CODEC_DMA_RX_1:
- case TX_CODEC_DMA_TX_0:
- case TX_CODEC_DMA_TX_1:
- case TX_CODEC_DMA_TX_2:
- case TX_CODEC_DMA_TX_3:
- for_each_rtd_codec_dais(rtd, i, codec_dai) {
- sruntime = snd_soc_dai_get_stream(codec_dai, substream->stream);
- if (sruntime != ERR_PTR(-ENOTSUPP))
- *psruntime = sruntime;
- }
- break;
- }
-
- return 0;
-
-}
-EXPORT_SYMBOL_GPL(qcom_snd_sdw_hw_params);
-
-int qcom_snd_sdw_hw_free(struct snd_pcm_substream *substream,
- struct sdw_stream_runtime *sruntime, bool *stream_prepared)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
-
- switch (cpu_dai->id) {
- case WSA_CODEC_DMA_RX_0:
- case WSA_CODEC_DMA_RX_1:
- case RX_CODEC_DMA_RX_0:
- case RX_CODEC_DMA_RX_1:
- case TX_CODEC_DMA_TX_0:
- case TX_CODEC_DMA_TX_1:
- case TX_CODEC_DMA_TX_2:
- case TX_CODEC_DMA_TX_3:
- if (sruntime && *stream_prepared) {
- sdw_disable_stream(sruntime);
- sdw_deprepare_stream(sruntime);
- *stream_prepared = false;
- }
- break;
- default:
- break;
- }
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(qcom_snd_sdw_hw_free);
-
int qcom_snd_wcd_jack_setup(struct snd_soc_pcm_runtime *rtd,
struct snd_soc_jack *jack, bool *jack_setup)
{
diff --git a/sound/soc/qcom/common.h b/sound/soc/qcom/common.h
index 3ef5bb6d12df..d7f80ee5ae26 100644
--- a/sound/soc/qcom/common.h
+++ b/sound/soc/qcom/common.h
@@ -5,19 +5,9 @@
#define __QCOM_SND_COMMON_H__
#include <sound/soc.h>
-#include <linux/soundwire/sdw.h>
int qcom_snd_parse_of(struct snd_soc_card *card);
int qcom_snd_wcd_jack_setup(struct snd_soc_pcm_runtime *rtd,
struct snd_soc_jack *jack, bool *jack_setup);
-int qcom_snd_sdw_prepare(struct snd_pcm_substream *substream,
- struct sdw_stream_runtime *runtime,
- bool *stream_prepared);
-int qcom_snd_sdw_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params,
- struct sdw_stream_runtime **psruntime);
-int qcom_snd_sdw_hw_free(struct snd_pcm_substream *substream,
- struct sdw_stream_runtime *sruntime,
- bool *stream_prepared);
#endif
diff --git a/sound/soc/qcom/lpass-cpu.c b/sound/soc/qcom/lpass-cpu.c
index 54353842dc07..dbdaaa85ce48 100644
--- a/sound/soc/qcom/lpass-cpu.c
+++ b/sound/soc/qcom/lpass-cpu.c
@@ -1037,10 +1037,11 @@ static void of_lpass_cpu_parse_dai_data(struct device *dev,
struct lpass_data *data)
{
struct device_node *node;
- int ret, id;
+ int ret, i, id;
/* Allow all channels by default for backwards compatibility */
- for (id = 0; id < data->variant->num_dai; id++) {
+ for (i = 0; i < data->variant->num_dai; i++) {
+ id = data->variant->dai_driver[i].id;
data->mi2s_playback_sd_mode[id] = LPAIF_I2SCTL_MODE_8CH;
data->mi2s_capture_sd_mode[id] = LPAIF_I2SCTL_MODE_8CH;
}
diff --git a/sound/soc/qcom/sc8280xp.c b/sound/soc/qcom/sc8280xp.c
index ade44ad7c585..14d9fea33d16 100644
--- a/sound/soc/qcom/sc8280xp.c
+++ b/sound/soc/qcom/sc8280xp.c
@@ -12,6 +12,7 @@
#include <linux/input-event-codes.h>
#include "qdsp6/q6afe.h"
#include "common.h"
+#include "sdw.h"
#define DRIVER_NAME "sc8280xp"
diff --git a/sound/soc/qcom/sdw.c b/sound/soc/qcom/sdw.c
new file mode 100644
index 000000000000..10249519a39e
--- /dev/null
+++ b/sound/soc/qcom/sdw.c
@@ -0,0 +1,123 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2018, Linaro Limited.
+// Copyright (c) 2018, The Linux Foundation. All rights reserved.
+
+#include <linux/module.h>
+#include <sound/soc.h>
+#include "qdsp6/q6afe.h"
+#include "sdw.h"
+
+int qcom_snd_sdw_prepare(struct snd_pcm_substream *substream,
+ struct sdw_stream_runtime *sruntime,
+ bool *stream_prepared)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
+ int ret;
+
+ if (!sruntime)
+ return 0;
+
+ switch (cpu_dai->id) {
+ case WSA_CODEC_DMA_RX_0:
+ case WSA_CODEC_DMA_RX_1:
+ case RX_CODEC_DMA_RX_0:
+ case RX_CODEC_DMA_RX_1:
+ case TX_CODEC_DMA_TX_0:
+ case TX_CODEC_DMA_TX_1:
+ case TX_CODEC_DMA_TX_2:
+ case TX_CODEC_DMA_TX_3:
+ break;
+ default:
+ return 0;
+ }
+
+ if (*stream_prepared) {
+ sdw_disable_stream(sruntime);
+ sdw_deprepare_stream(sruntime);
+ *stream_prepared = false;
+ }
+
+ ret = sdw_prepare_stream(sruntime);
+ if (ret)
+ return ret;
+
+ /**
+ * NOTE: there is a strict hw requirement about the ordering of port
+ * enables and actual WSA881x PA enable. PA enable should only happen
+ * after soundwire ports are enabled if not DC on the line is
+ * accumulated resulting in Click/Pop Noise
+ * PA enable/mute are handled as part of codec DAPM and digital mute.
+ */
+
+ ret = sdw_enable_stream(sruntime);
+ if (ret) {
+ sdw_deprepare_stream(sruntime);
+ return ret;
+ }
+ *stream_prepared = true;
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(qcom_snd_sdw_prepare);
+
+int qcom_snd_sdw_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct sdw_stream_runtime **psruntime)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *codec_dai;
+ struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
+ struct sdw_stream_runtime *sruntime;
+ int i;
+
+ switch (cpu_dai->id) {
+ case WSA_CODEC_DMA_RX_0:
+ case RX_CODEC_DMA_RX_0:
+ case RX_CODEC_DMA_RX_1:
+ case TX_CODEC_DMA_TX_0:
+ case TX_CODEC_DMA_TX_1:
+ case TX_CODEC_DMA_TX_2:
+ case TX_CODEC_DMA_TX_3:
+ for_each_rtd_codec_dais(rtd, i, codec_dai) {
+ sruntime = snd_soc_dai_get_stream(codec_dai, substream->stream);
+ if (sruntime != ERR_PTR(-ENOTSUPP))
+ *psruntime = sruntime;
+ }
+ break;
+ }
+
+ return 0;
+
+}
+EXPORT_SYMBOL_GPL(qcom_snd_sdw_hw_params);
+
+int qcom_snd_sdw_hw_free(struct snd_pcm_substream *substream,
+ struct sdw_stream_runtime *sruntime, bool *stream_prepared)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
+
+ switch (cpu_dai->id) {
+ case WSA_CODEC_DMA_RX_0:
+ case WSA_CODEC_DMA_RX_1:
+ case RX_CODEC_DMA_RX_0:
+ case RX_CODEC_DMA_RX_1:
+ case TX_CODEC_DMA_TX_0:
+ case TX_CODEC_DMA_TX_1:
+ case TX_CODEC_DMA_TX_2:
+ case TX_CODEC_DMA_TX_3:
+ if (sruntime && *stream_prepared) {
+ sdw_disable_stream(sruntime);
+ sdw_deprepare_stream(sruntime);
+ *stream_prepared = false;
+ }
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(qcom_snd_sdw_hw_free);
+MODULE_LICENSE("GPL v2");
diff --git a/sound/soc/qcom/sdw.h b/sound/soc/qcom/sdw.h
new file mode 100644
index 000000000000..d74cbb84da13
--- /dev/null
+++ b/sound/soc/qcom/sdw.h
@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+// Copyright (c) 2018, The Linux Foundation. All rights reserved.
+
+#ifndef __QCOM_SND_SDW_H__
+#define __QCOM_SND_SDW_H__
+
+#include <linux/soundwire/sdw.h>
+
+int qcom_snd_sdw_prepare(struct snd_pcm_substream *substream,
+ struct sdw_stream_runtime *runtime,
+ bool *stream_prepared);
+int qcom_snd_sdw_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct sdw_stream_runtime **psruntime);
+int qcom_snd_sdw_hw_free(struct snd_pcm_substream *substream,
+ struct sdw_stream_runtime *sruntime,
+ bool *stream_prepared);
+#endif
diff --git a/sound/soc/qcom/sm8250.c b/sound/soc/qcom/sm8250.c
index 8dbe9ef41b1c..9626a9ef78c2 100644
--- a/sound/soc/qcom/sm8250.c
+++ b/sound/soc/qcom/sm8250.c
@@ -12,6 +12,7 @@
#include <linux/input-event-codes.h>
#include "qdsp6/q6afe.h"
#include "common.h"
+#include "sdw.h"
#define DRIVER_NAME "sm8250"
#define MI2S_BCLK_RATE 1536000
diff --git a/sound/soc/sof/debug.c b/sound/soc/sof/debug.c
index d9a3ce7b69e1..ade0507328af 100644
--- a/sound/soc/sof/debug.c
+++ b/sound/soc/sof/debug.c
@@ -353,7 +353,9 @@ int snd_sof_dbg_init(struct snd_sof_dev *sdev)
return err;
}
- return 0;
+ return snd_sof_debugfs_buf_item(sdev, &sdev->fw_state,
+ sizeof(sdev->fw_state),
+ "fw_state", 0444);
}
EXPORT_SYMBOL_GPL(snd_sof_dbg_init);
diff --git a/sound/soc/sof/pm.c b/sound/soc/sof/pm.c
index df740be645e8..8722bbd7fd3d 100644
--- a/sound/soc/sof/pm.c
+++ b/sound/soc/sof/pm.c
@@ -182,7 +182,7 @@ static int sof_suspend(struct device *dev, bool runtime_suspend)
const struct sof_ipc_pm_ops *pm_ops = sdev->ipc->ops->pm;
const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg;
pm_message_t pm_state;
- u32 target_state = 0;
+ u32 target_state = snd_sof_dsp_power_target(sdev);
int ret;
/* do nothing if dsp suspend callback is not set */
@@ -192,6 +192,9 @@ static int sof_suspend(struct device *dev, bool runtime_suspend)
if (runtime_suspend && !sof_ops(sdev)->runtime_suspend)
return 0;
+ if (tplg_ops && tplg_ops->tear_down_all_pipelines)
+ tplg_ops->tear_down_all_pipelines(sdev, false);
+
if (sdev->fw_state != SOF_FW_BOOT_COMPLETE)
goto suspend;
@@ -206,7 +209,6 @@ static int sof_suspend(struct device *dev, bool runtime_suspend)
}
}
- target_state = snd_sof_dsp_power_target(sdev);
pm_state.event = target_state;
/* Skip to platform-specific suspend if DSP is entering D0 */
@@ -217,9 +219,6 @@ static int sof_suspend(struct device *dev, bool runtime_suspend)
goto suspend;
}
- if (tplg_ops->tear_down_all_pipelines)
- tplg_ops->tear_down_all_pipelines(sdev, false);
-
/* suspend DMA trace */
sof_fw_trace_suspend(sdev, pm_state);
diff --git a/sound/usb/implicit.c b/sound/usb/implicit.c
index 41ac7185b42b..4727043fd745 100644
--- a/sound/usb/implicit.c
+++ b/sound/usb/implicit.c
@@ -471,7 +471,7 @@ snd_usb_find_implicit_fb_sync_format(struct snd_usb_audio *chip,
subs = find_matching_substream(chip, stream, target->sync_ep,
target->fmt_type);
if (!subs)
- return sync_fmt;
+ goto end;
high_score = 0;
list_for_each_entry(fp, &subs->fmt_list, list) {
@@ -485,6 +485,7 @@ snd_usb_find_implicit_fb_sync_format(struct snd_usb_audio *chip,
}
}
+ end:
if (fixed_rate)
*fixed_rate = snd_usb_pcm_has_fixed_rate(subs);
return sync_fmt;
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index 99a66d0ef5b2..d959da7a1afb 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -160,9 +160,12 @@ find_substream_format(struct snd_usb_substream *subs,
bool snd_usb_pcm_has_fixed_rate(struct snd_usb_substream *subs)
{
const struct audioformat *fp;
- struct snd_usb_audio *chip = subs->stream->chip;
+ struct snd_usb_audio *chip;
int rate = -1;
+ if (!subs)
+ return false;
+ chip = subs->stream->chip;
if (!(chip->quirk_flags & QUIRK_FLAG_FIXED_RATE))
return false;
list_for_each_entry(fp, &subs->fmt_list, list) {
@@ -525,6 +528,8 @@ static int snd_usb_hw_params(struct snd_pcm_substream *substream,
if (snd_usb_endpoint_compatible(chip, subs->data_endpoint,
fmt, hw_params))
goto unlock;
+ if (stop_endpoints(subs, false))
+ sync_pending_stops(subs);
close_endpoints(chip, subs);
}
@@ -787,11 +792,27 @@ static int apply_hw_params_minmax(struct snd_interval *it, unsigned int rmin,
return changed;
}
+/* get the specified endpoint object that is being used by other streams
+ * (i.e. the parameter is locked)
+ */
+static const struct snd_usb_endpoint *
+get_endpoint_in_use(struct snd_usb_audio *chip, int endpoint,
+ const struct snd_usb_endpoint *ref_ep)
+{
+ const struct snd_usb_endpoint *ep;
+
+ ep = snd_usb_get_endpoint(chip, endpoint);
+ if (ep && ep->cur_audiofmt && (ep != ref_ep || ep->opened > 1))
+ return ep;
+ return NULL;
+}
+
static int hw_rule_rate(struct snd_pcm_hw_params *params,
struct snd_pcm_hw_rule *rule)
{
struct snd_usb_substream *subs = rule->private;
struct snd_usb_audio *chip = subs->stream->chip;
+ const struct snd_usb_endpoint *ep;
const struct audioformat *fp;
struct snd_interval *it = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
unsigned int rmin, rmax, r;
@@ -803,6 +824,29 @@ static int hw_rule_rate(struct snd_pcm_hw_params *params,
list_for_each_entry(fp, &subs->fmt_list, list) {
if (!hw_check_valid_format(subs, params, fp))
continue;
+
+ ep = get_endpoint_in_use(chip, fp->endpoint,
+ subs->data_endpoint);
+ if (ep) {
+ hwc_debug("rate limit %d for ep#%x\n",
+ ep->cur_rate, fp->endpoint);
+ rmin = min(rmin, ep->cur_rate);
+ rmax = max(rmax, ep->cur_rate);
+ continue;
+ }
+
+ if (fp->implicit_fb) {
+ ep = get_endpoint_in_use(chip, fp->sync_ep,
+ subs->sync_endpoint);
+ if (ep) {
+ hwc_debug("rate limit %d for sync_ep#%x\n",
+ ep->cur_rate, fp->sync_ep);
+ rmin = min(rmin, ep->cur_rate);
+ rmax = max(rmax, ep->cur_rate);
+ continue;
+ }
+ }
+
r = snd_usb_endpoint_get_clock_rate(chip, fp->clock);
if (r > 0) {
if (!snd_interval_test(it, r))
@@ -872,6 +916,8 @@ static int hw_rule_format(struct snd_pcm_hw_params *params,
struct snd_pcm_hw_rule *rule)
{
struct snd_usb_substream *subs = rule->private;
+ struct snd_usb_audio *chip = subs->stream->chip;
+ const struct snd_usb_endpoint *ep;
const struct audioformat *fp;
struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
u64 fbits;
@@ -881,6 +927,27 @@ static int hw_rule_format(struct snd_pcm_hw_params *params,
list_for_each_entry(fp, &subs->fmt_list, list) {
if (!hw_check_valid_format(subs, params, fp))
continue;
+
+ ep = get_endpoint_in_use(chip, fp->endpoint,
+ subs->data_endpoint);
+ if (ep) {
+ hwc_debug("format limit %d for ep#%x\n",
+ ep->cur_format, fp->endpoint);
+ fbits |= pcm_format_to_bits(ep->cur_format);
+ continue;
+ }
+
+ if (fp->implicit_fb) {
+ ep = get_endpoint_in_use(chip, fp->sync_ep,
+ subs->sync_endpoint);
+ if (ep) {
+ hwc_debug("format limit %d for sync_ep#%x\n",
+ ep->cur_format, fp->sync_ep);
+ fbits |= pcm_format_to_bits(ep->cur_format);
+ continue;
+ }
+ }
+
fbits |= fp->formats;
}
return apply_hw_params_format_bits(fmt, fbits);
@@ -913,98 +980,95 @@ static int hw_rule_period_time(struct snd_pcm_hw_params *params,
return apply_hw_params_minmax(it, pmin, UINT_MAX);
}
-/* get the EP or the sync EP for implicit fb when it's already set up */
-static const struct snd_usb_endpoint *
-get_sync_ep_from_substream(struct snd_usb_substream *subs)
-{
- struct snd_usb_audio *chip = subs->stream->chip;
- const struct audioformat *fp;
- const struct snd_usb_endpoint *ep;
-
- list_for_each_entry(fp, &subs->fmt_list, list) {
- ep = snd_usb_get_endpoint(chip, fp->endpoint);
- if (ep && ep->cur_audiofmt) {
- /* if EP is already opened solely for this substream,
- * we still allow us to change the parameter; otherwise
- * this substream has to follow the existing parameter
- */
- if (ep->cur_audiofmt != subs->cur_audiofmt || ep->opened > 1)
- return ep;
- }
- if (!fp->implicit_fb)
- continue;
- /* for the implicit fb, check the sync ep as well */
- ep = snd_usb_get_endpoint(chip, fp->sync_ep);
- if (ep && ep->cur_audiofmt)
- return ep;
- }
- return NULL;
-}
-
/* additional hw constraints for implicit feedback mode */
-static int hw_rule_format_implicit_fb(struct snd_pcm_hw_params *params,
- struct snd_pcm_hw_rule *rule)
-{
- struct snd_usb_substream *subs = rule->private;
- const struct snd_usb_endpoint *ep;
- struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
-
- ep = get_sync_ep_from_substream(subs);
- if (!ep)
- return 0;
-
- hwc_debug("applying %s\n", __func__);
- return apply_hw_params_format_bits(fmt, pcm_format_to_bits(ep->cur_format));
-}
-
-static int hw_rule_rate_implicit_fb(struct snd_pcm_hw_params *params,
- struct snd_pcm_hw_rule *rule)
-{
- struct snd_usb_substream *subs = rule->private;
- const struct snd_usb_endpoint *ep;
- struct snd_interval *it;
-
- ep = get_sync_ep_from_substream(subs);
- if (!ep)
- return 0;
-
- hwc_debug("applying %s\n", __func__);
- it = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
- return apply_hw_params_minmax(it, ep->cur_rate, ep->cur_rate);
-}
-
static int hw_rule_period_size_implicit_fb(struct snd_pcm_hw_params *params,
struct snd_pcm_hw_rule *rule)
{
struct snd_usb_substream *subs = rule->private;
+ struct snd_usb_audio *chip = subs->stream->chip;
+ const struct audioformat *fp;
const struct snd_usb_endpoint *ep;
struct snd_interval *it;
+ unsigned int rmin, rmax;
- ep = get_sync_ep_from_substream(subs);
- if (!ep)
- return 0;
-
- hwc_debug("applying %s\n", __func__);
it = hw_param_interval(params, SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
- return apply_hw_params_minmax(it, ep->cur_period_frames,
- ep->cur_period_frames);
+ hwc_debug("hw_rule_period_size: (%u,%u)\n", it->min, it->max);
+ rmin = UINT_MAX;
+ rmax = 0;
+ list_for_each_entry(fp, &subs->fmt_list, list) {
+ if (!hw_check_valid_format(subs, params, fp))
+ continue;
+ ep = get_endpoint_in_use(chip, fp->endpoint,
+ subs->data_endpoint);
+ if (ep) {
+ hwc_debug("period size limit %d for ep#%x\n",
+ ep->cur_period_frames, fp->endpoint);
+ rmin = min(rmin, ep->cur_period_frames);
+ rmax = max(rmax, ep->cur_period_frames);
+ continue;
+ }
+
+ if (fp->implicit_fb) {
+ ep = get_endpoint_in_use(chip, fp->sync_ep,
+ subs->sync_endpoint);
+ if (ep) {
+ hwc_debug("period size limit %d for sync_ep#%x\n",
+ ep->cur_period_frames, fp->sync_ep);
+ rmin = min(rmin, ep->cur_period_frames);
+ rmax = max(rmax, ep->cur_period_frames);
+ continue;
+ }
+ }
+ }
+
+ if (!rmax)
+ return 0; /* no limit by implicit fb */
+ return apply_hw_params_minmax(it, rmin, rmax);
}
static int hw_rule_periods_implicit_fb(struct snd_pcm_hw_params *params,
struct snd_pcm_hw_rule *rule)
{
struct snd_usb_substream *subs = rule->private;
+ struct snd_usb_audio *chip = subs->stream->chip;
+ const struct audioformat *fp;
const struct snd_usb_endpoint *ep;
struct snd_interval *it;
+ unsigned int rmin, rmax;
- ep = get_sync_ep_from_substream(subs);
- if (!ep)
- return 0;
-
- hwc_debug("applying %s\n", __func__);
it = hw_param_interval(params, SNDRV_PCM_HW_PARAM_PERIODS);
- return apply_hw_params_minmax(it, ep->cur_buffer_periods,
- ep->cur_buffer_periods);
+ hwc_debug("hw_rule_periods: (%u,%u)\n", it->min, it->max);
+ rmin = UINT_MAX;
+ rmax = 0;
+ list_for_each_entry(fp, &subs->fmt_list, list) {
+ if (!hw_check_valid_format(subs, params, fp))
+ continue;
+ ep = get_endpoint_in_use(chip, fp->endpoint,
+ subs->data_endpoint);
+ if (ep) {
+ hwc_debug("periods limit %d for ep#%x\n",
+ ep->cur_buffer_periods, fp->endpoint);
+ rmin = min(rmin, ep->cur_buffer_periods);
+ rmax = max(rmax, ep->cur_buffer_periods);
+ continue;
+ }
+
+ if (fp->implicit_fb) {
+ ep = get_endpoint_in_use(chip, fp->sync_ep,
+ subs->sync_endpoint);
+ if (ep) {
+ hwc_debug("periods limit %d for sync_ep#%x\n",
+ ep->cur_buffer_periods, fp->sync_ep);
+ rmin = min(rmin, ep->cur_buffer_periods);
+ rmax = max(rmax, ep->cur_buffer_periods);
+ continue;
+ }
+ }
+ }
+
+ if (!rmax)
+ return 0; /* no limit by implicit fb */
+ return apply_hw_params_minmax(it, rmin, rmax);
}
/*
@@ -1113,16 +1177,6 @@ static int setup_hw_info(struct snd_pcm_runtime *runtime, struct snd_usb_substre
return err;
/* additional hw constraints for implicit fb */
- err = snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_FORMAT,
- hw_rule_format_implicit_fb, subs,
- SNDRV_PCM_HW_PARAM_FORMAT, -1);
- if (err < 0)
- return err;
- err = snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
- hw_rule_rate_implicit_fb, subs,
- SNDRV_PCM_HW_PARAM_RATE, -1);
- if (err < 0)
- return err;
err = snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
hw_rule_period_size_implicit_fb, subs,
SNDRV_PCM_HW_PARAM_PERIOD_SIZE, -1);
diff --git a/sound/usb/stream.c b/sound/usb/stream.c
index f75601ca2d52..f10f4e6d3fb8 100644
--- a/sound/usb/stream.c
+++ b/sound/usb/stream.c
@@ -1222,6 +1222,12 @@ static int __snd_usb_parse_audio_interface(struct snd_usb_audio *chip,
if (err < 0)
return err;
}
+
+ /* try to set the interface... */
+ usb_set_interface(chip->dev, iface_no, 0);
+ snd_usb_init_pitch(chip, fp);
+ snd_usb_init_sample_rate(chip, fp, fp->rate_max);
+ usb_set_interface(chip->dev, iface_no, altno);
}
return 0;
}
diff --git a/sound/xen/xen_snd_front.c b/sound/xen/xen_snd_front.c
index 4041748c12e5..b66e037710d0 100644
--- a/sound/xen/xen_snd_front.c
+++ b/sound/xen/xen_snd_front.c
@@ -311,7 +311,7 @@ static int xen_drv_probe(struct xenbus_device *xb_dev,
return xenbus_switch_state(xb_dev, XenbusStateInitialising);
}
-static int xen_drv_remove(struct xenbus_device *dev)
+static void xen_drv_remove(struct xenbus_device *dev)
{
struct xen_snd_front_info *front_info = dev_get_drvdata(&dev->dev);
int to = 100;
@@ -345,7 +345,6 @@ static int xen_drv_remove(struct xenbus_device *dev)
xen_snd_drv_fini(front_info);
xenbus_frontend_closed(dev);
- return 0;
}
static const struct xenbus_device_id xen_drv_ids[] = {
diff --git a/tools/include/nolibc/arch-mips.h b/tools/include/nolibc/arch-mips.h
index 5fc5b8029bff..7380093ba9e7 100644
--- a/tools/include/nolibc/arch-mips.h
+++ b/tools/include/nolibc/arch-mips.h
@@ -192,6 +192,7 @@ struct sys_stat_struct {
__asm__ (".section .text\n"
".weak __start\n"
".set nomips16\n"
+ ".set push\n"
".set noreorder\n"
".option pic0\n"
".ent __start\n"
@@ -210,6 +211,7 @@ __asm__ (".section .text\n"
"li $v0, 4001\n" // NR_exit == 4001
"syscall\n"
".end __start\n"
+ ".set pop\n"
"");
#endif // _NOLIBC_ARCH_MIPS_H
diff --git a/tools/include/nolibc/arch-riscv.h b/tools/include/nolibc/arch-riscv.h
index ba04771cb3a3..a3bdd9803f8c 100644
--- a/tools/include/nolibc/arch-riscv.h
+++ b/tools/include/nolibc/arch-riscv.h
@@ -11,13 +11,13 @@
#define O_RDONLY 0
#define O_WRONLY 1
#define O_RDWR 2
-#define O_CREAT 0x100
-#define O_EXCL 0x200
-#define O_NOCTTY 0x400
-#define O_TRUNC 0x1000
-#define O_APPEND 0x2000
-#define O_NONBLOCK 0x4000
-#define O_DIRECTORY 0x200000
+#define O_CREAT 0x40
+#define O_EXCL 0x80
+#define O_NOCTTY 0x100
+#define O_TRUNC 0x200
+#define O_APPEND 0x400
+#define O_NONBLOCK 0x800
+#define O_DIRECTORY 0x10000
struct sys_stat_struct {
unsigned long st_dev; /* Device. */
diff --git a/tools/include/nolibc/ctype.h b/tools/include/nolibc/ctype.h
index e3000b2992d7..6f90706d0644 100644
--- a/tools/include/nolibc/ctype.h
+++ b/tools/include/nolibc/ctype.h
@@ -96,4 +96,7 @@ int ispunct(int c)
return isgraph(c) && !isalnum(c);
}
+/* make sure to include all global symbols */
+#include "nolibc.h"
+
#endif /* _NOLIBC_CTYPE_H */
diff --git a/tools/include/nolibc/errno.h b/tools/include/nolibc/errno.h
index 06893d6dfb7a..9dc4919c769b 100644
--- a/tools/include/nolibc/errno.h
+++ b/tools/include/nolibc/errno.h
@@ -24,4 +24,7 @@ static int errno;
*/
#define MAX_ERRNO 4095
+/* make sure to include all global symbols */
+#include "nolibc.h"
+
#endif /* _NOLIBC_ERRNO_H */
diff --git a/tools/include/nolibc/signal.h b/tools/include/nolibc/signal.h
index ef47e71e2be3..137552216e46 100644
--- a/tools/include/nolibc/signal.h
+++ b/tools/include/nolibc/signal.h
@@ -19,4 +19,7 @@ int raise(int signal)
return sys_kill(sys_getpid(), signal);
}
+/* make sure to include all global symbols */
+#include "nolibc.h"
+
#endif /* _NOLIBC_SIGNAL_H */
diff --git a/tools/include/nolibc/stdio.h b/tools/include/nolibc/stdio.h
index a3cebc4bc3ac..96ac8afc5aee 100644
--- a/tools/include/nolibc/stdio.h
+++ b/tools/include/nolibc/stdio.h
@@ -303,4 +303,7 @@ void perror(const char *msg)
fprintf(stderr, "%s%serrno=%d\n", (msg && *msg) ? msg : "", (msg && *msg) ? ": " : "", errno);
}
+/* make sure to include all global symbols */
+#include "nolibc.h"
+
#endif /* _NOLIBC_STDIO_H */
diff --git a/tools/include/nolibc/stdlib.h b/tools/include/nolibc/stdlib.h
index 92378c4b9660..a24000d1e822 100644
--- a/tools/include/nolibc/stdlib.h
+++ b/tools/include/nolibc/stdlib.h
@@ -419,4 +419,7 @@ char *u64toa(uint64_t in)
return itoa_buffer;
}
+/* make sure to include all global symbols */
+#include "nolibc.h"
+
#endif /* _NOLIBC_STDLIB_H */
diff --git a/tools/include/nolibc/string.h b/tools/include/nolibc/string.h
index ad97c0d522b8..fffdaf6ff467 100644
--- a/tools/include/nolibc/string.h
+++ b/tools/include/nolibc/string.h
@@ -88,8 +88,11 @@ void *memset(void *dst, int b, size_t len)
{
char *p = dst;
- while (len--)
+ while (len--) {
+ /* prevent gcc from recognizing memset() here */
+ asm volatile("");
*(p++) = b;
+ }
return dst;
}
@@ -285,4 +288,7 @@ char *strrchr(const char *s, int c)
return (char *)ret;
}
+/* make sure to include all global symbols */
+#include "nolibc.h"
+
#endif /* _NOLIBC_STRING_H */
diff --git a/tools/include/nolibc/sys.h b/tools/include/nolibc/sys.h
index ce3ee03aa679..78473d34e27c 100644
--- a/tools/include/nolibc/sys.h
+++ b/tools/include/nolibc/sys.h
@@ -1243,5 +1243,7 @@ ssize_t write(int fd, const void *buf, size_t count)
return ret;
}
+/* make sure to include all global symbols */
+#include "nolibc.h"
#endif /* _NOLIBC_SYS_H */
diff --git a/tools/include/nolibc/time.h b/tools/include/nolibc/time.h
index d18b7661fdd7..84655361b9ad 100644
--- a/tools/include/nolibc/time.h
+++ b/tools/include/nolibc/time.h
@@ -25,4 +25,7 @@ time_t time(time_t *tptr)
return tv.tv_sec;
}
+/* make sure to include all global symbols */
+#include "nolibc.h"
+
#endif /* _NOLIBC_TIME_H */
diff --git a/tools/include/nolibc/types.h b/tools/include/nolibc/types.h
index 959997034e55..fbbc0e68c001 100644
--- a/tools/include/nolibc/types.h
+++ b/tools/include/nolibc/types.h
@@ -26,13 +26,13 @@
#define S_IFSOCK 0140000
#define S_IFMT 0170000
-#define S_ISDIR(mode) (((mode) & S_IFDIR) == S_IFDIR)
-#define S_ISCHR(mode) (((mode) & S_IFCHR) == S_IFCHR)
-#define S_ISBLK(mode) (((mode) & S_IFBLK) == S_IFBLK)
-#define S_ISREG(mode) (((mode) & S_IFREG) == S_IFREG)
-#define S_ISFIFO(mode) (((mode) & S_IFIFO) == S_IFIFO)
-#define S_ISLNK(mode) (((mode) & S_IFLNK) == S_IFLNK)
-#define S_ISSOCK(mode) (((mode) & S_IFSOCK) == S_IFSOCK)
+#define S_ISDIR(mode) (((mode) & S_IFMT) == S_IFDIR)
+#define S_ISCHR(mode) (((mode) & S_IFMT) == S_IFCHR)
+#define S_ISBLK(mode) (((mode) & S_IFMT) == S_IFBLK)
+#define S_ISREG(mode) (((mode) & S_IFMT) == S_IFREG)
+#define S_ISFIFO(mode) (((mode) & S_IFMT) == S_IFIFO)
+#define S_ISLNK(mode) (((mode) & S_IFMT) == S_IFLNK)
+#define S_ISSOCK(mode) (((mode) & S_IFMT) == S_IFSOCK)
/* dirent types */
#define DT_UNKNOWN 0x0
@@ -89,39 +89,46 @@
#define EXIT_SUCCESS 0
#define EXIT_FAILURE 1
+#define FD_SETIDXMASK (8 * sizeof(unsigned long))
+#define FD_SETBITMASK (8 * sizeof(unsigned long)-1)
+
/* for select() */
typedef struct {
- uint32_t fd32[(FD_SETSIZE + 31) / 32];
+ unsigned long fds[(FD_SETSIZE + FD_SETBITMASK) / FD_SETIDXMASK];
} fd_set;
-#define FD_CLR(fd, set) do { \
- fd_set *__set = (set); \
- int __fd = (fd); \
- if (__fd >= 0) \
- __set->fd32[__fd / 32] &= ~(1U << (__fd & 31)); \
+#define FD_CLR(fd, set) do { \
+ fd_set *__set = (set); \
+ int __fd = (fd); \
+ if (__fd >= 0) \
+ __set->fds[__fd / FD_SETIDXMASK] &= \
+ ~(1U << (__fd & FX_SETBITMASK)); \
} while (0)
-#define FD_SET(fd, set) do { \
- fd_set *__set = (set); \
- int __fd = (fd); \
- if (__fd >= 0) \
- __set->fd32[__fd / 32] |= 1U << (__fd & 31); \
+#define FD_SET(fd, set) do { \
+ fd_set *__set = (set); \
+ int __fd = (fd); \
+ if (__fd >= 0) \
+ __set->fds[__fd / FD_SETIDXMASK] |= \
+ 1 << (__fd & FD_SETBITMASK); \
} while (0)
-#define FD_ISSET(fd, set) ({ \
- fd_set *__set = (set); \
- int __fd = (fd); \
- int __r = 0; \
- if (__fd >= 0) \
- __r = !!(__set->fd32[__fd / 32] & 1U << (__fd & 31)); \
- __r; \
+#define FD_ISSET(fd, set) ({ \
+ fd_set *__set = (set); \
+ int __fd = (fd); \
+ int __r = 0; \
+ if (__fd >= 0) \
+ __r = !!(__set->fds[__fd / FD_SETIDXMASK] & \
+1U << (__fd & FD_SET_BITMASK)); \
+ __r; \
})
-#define FD_ZERO(set) do { \
- fd_set *__set = (set); \
- int __idx; \
- for (__idx = 0; __idx < (FD_SETSIZE+31) / 32; __idx ++) \
- __set->fd32[__idx] = 0; \
+#define FD_ZERO(set) do { \
+ fd_set *__set = (set); \
+ int __idx; \
+ int __size = (FD_SETSIZE+FD_SETBITMASK) / FD_SETIDXMASK;\
+ for (__idx = 0; __idx < __size; __idx++) \
+ __set->fds[__idx] = 0; \
} while (0)
/* for poll() */
@@ -202,4 +209,7 @@ struct stat {
})
#endif
+/* make sure to include all global symbols */
+#include "nolibc.h"
+
#endif /* _NOLIBC_TYPES_H */
diff --git a/tools/include/nolibc/unistd.h b/tools/include/nolibc/unistd.h
index 1c25e20ee360..1cfcd52106a4 100644
--- a/tools/include/nolibc/unistd.h
+++ b/tools/include/nolibc/unistd.h
@@ -51,4 +51,7 @@ int tcsetpgrp(int fd, pid_t pid)
return ioctl(fd, TIOCSPGRP, &pid);
}
+/* make sure to include all global symbols */
+#include "nolibc.h"
+
#endif /* _NOLIBC_UNISTD_H */
diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index 4350be739f4f..4b7c8b33069e 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -427,6 +427,15 @@ static int decode_instructions(struct objtool_file *file)
if (func->type != STT_NOTYPE && func->type != STT_FUNC)
continue;
+ if (func->offset == sec->sh.sh_size) {
+ /* Heuristic: likely an "end" symbol */
+ if (func->type == STT_NOTYPE)
+ continue;
+ WARN("%s(): STT_FUNC at end of section",
+ func->name);
+ return -1;
+ }
+
if (func->return_thunk || func->alias != func)
continue;
diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index c2504c39bdcb..5b8784675903 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -589,6 +589,8 @@ ifndef NO_LIBELF
$(call feature_check,libbpf-bpf_program__set_insns)
ifeq ($(feature-libbpf-bpf_program__set_insns), 1)
CFLAGS += -DHAVE_LIBBPF_BPF_PROGRAM__SET_INSNS
+ else
+ dummy := $(error Error: libbpf devel library needs to be >= 0.8.0 to build with LIBBPF_DYNAMIC, update or build statically with the version that comes with the kernel sources);
endif
$(call feature_check,libbpf-btf__raw_data)
ifeq ($(feature-libbpf-btf__raw_data), 1)
@@ -602,6 +604,8 @@ ifndef NO_LIBELF
dummy := $(error Error: No libbpf devel library found, please install libbpf-devel);
endif
else
+ # Libbpf will be built as a static library from tools/lib/bpf.
+ LIBBPF_STATIC := 1
CFLAGS += -DHAVE_LIBBPF_BTF__LOAD_FROM_KERNEL_BY_ID
CFLAGS += -DHAVE_LIBBPF_BPF_PROG_LOAD
CFLAGS += -DHAVE_LIBBPF_BPF_OBJECT__NEXT_PROGRAM
@@ -1314,14 +1318,6 @@ tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
export perfexec_instdir_SQ
-# If we install to $(HOME) we keep the traceevent default:
-# $(HOME)/.traceevent/plugins
-# Otherwise we install plugins into the global $(libdir).
-ifdef DESTDIR
-plugindir=$(libdir)/traceevent/plugins
-plugindir_SQ= $(subst ','\'',$(plugindir))
-endif
-
print_var = $(eval $(print_var_code)) $(info $(MSG))
define print_var_code
MSG = $(shell printf '...%40s: %s' $(1) $($(1)))
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index 1e32c93b8042..b7d9c4206230 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -303,10 +303,12 @@ ifneq ($(OUTPUT),)
else
LIBBPF_OUTPUT = $(CURDIR)/libbpf
endif
-LIBBPF_DESTDIR = $(LIBBPF_OUTPUT)
-LIBBPF_INCLUDE = $(LIBBPF_DESTDIR)/include
-LIBBPF = $(LIBBPF_OUTPUT)/libbpf.a
-CFLAGS += -I$(LIBBPF_OUTPUT)/include
+ifdef LIBBPF_STATIC
+ LIBBPF_DESTDIR = $(LIBBPF_OUTPUT)
+ LIBBPF_INCLUDE = $(LIBBPF_DESTDIR)/include
+ LIBBPF = $(LIBBPF_OUTPUT)/libbpf.a
+ CFLAGS += -I$(LIBBPF_OUTPUT)/include
+endif
ifneq ($(OUTPUT),)
LIBSUBCMD_OUTPUT = $(abspath $(OUTPUT))/libsubcmd
@@ -393,10 +395,8 @@ endif
export PERL_PATH
PERFLIBS = $(LIBAPI) $(LIBPERF) $(LIBSUBCMD) $(LIBSYMBOL)
-ifndef NO_LIBBPF
- ifndef LIBBPF_DYNAMIC
- PERFLIBS += $(LIBBPF)
- endif
+ifdef LIBBPF_STATIC
+ PERFLIBS += $(LIBBPF)
endif
# We choose to avoid "if .. else if .. else .. endif endif"
@@ -756,12 +756,15 @@ prepare: $(OUTPUT)PERF-VERSION-FILE $(OUTPUT)common-cmds.h archheaders $(drm_ioc
$(arch_errno_name_array) \
$(sync_file_range_arrays) \
$(LIBAPI) \
- $(LIBBPF) \
$(LIBPERF) \
$(LIBSUBCMD) \
$(LIBSYMBOL) \
bpf-skel
+ifdef LIBBPF_STATIC
+prepare: $(LIBBPF)
+endif
+
$(OUTPUT)%.o: %.c prepare FORCE
$(Q)$(MAKE) -f $(srctree)/tools/build/Makefile.build dir=$(build-dir) $@
diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c
index e20656c431a4..8ae0a1535293 100644
--- a/tools/perf/builtin-kmem.c
+++ b/tools/perf/builtin-kmem.c
@@ -26,6 +26,7 @@
#include "util/string2.h"
#include <linux/kernel.h>
+#include <linux/numa.h>
#include <linux/rbtree.h>
#include <linux/string.h>
#include <linux/zalloc.h>
@@ -185,22 +186,33 @@ static int evsel__process_alloc_event(struct evsel *evsel, struct perf_sample *s
total_allocated += bytes_alloc;
nr_allocs++;
- return 0;
-}
-static int evsel__process_alloc_node_event(struct evsel *evsel, struct perf_sample *sample)
-{
- int ret = evsel__process_alloc_event(evsel, sample);
+ /*
+ * Commit 11e9734bcb6a ("mm/slab_common: unify NUMA and UMA
+ * version of tracepoints") adds the field "node" into the
+ * tracepoints 'kmalloc' and 'kmem_cache_alloc'.
+ *
+ * The legacy tracepoints 'kmalloc_node' and 'kmem_cache_alloc_node'
+ * also contain the field "node".
+ *
+ * If the tracepoint contains the field "node" the tool stats the
+ * cross allocation.
+ */
+ if (evsel__field(evsel, "node")) {
+ int node1, node2;
- if (!ret) {
- int node1 = cpu__get_node((struct perf_cpu){.cpu = sample->cpu}),
- node2 = evsel__intval(evsel, sample, "node");
+ node1 = cpu__get_node((struct perf_cpu){.cpu = sample->cpu});
+ node2 = evsel__intval(evsel, sample, "node");
- if (node1 != node2)
+ /*
+ * If the field "node" is NUMA_NO_NODE (-1), we don't take it
+ * as a cross allocation.
+ */
+ if ((node2 != NUMA_NO_NODE) && (node1 != node2))
nr_cross_allocs++;
}
- return ret;
+ return 0;
}
static int ptr_cmp(void *, void *);
@@ -1369,8 +1381,8 @@ static int __cmd_kmem(struct perf_session *session)
/* slab allocator */
{ "kmem:kmalloc", evsel__process_alloc_event, },
{ "kmem:kmem_cache_alloc", evsel__process_alloc_event, },
- { "kmem:kmalloc_node", evsel__process_alloc_node_event, },
- { "kmem:kmem_cache_alloc_node", evsel__process_alloc_node_event, },
+ { "kmem:kmalloc_node", evsel__process_alloc_event, },
+ { "kmem:kmem_cache_alloc_node", evsel__process_alloc_event, },
{ "kmem:kfree", evsel__process_free_event, },
{ "kmem:kmem_cache_free", evsel__process_free_event, },
/* page allocator */
@@ -1824,6 +1836,19 @@ static int parse_line_opt(const struct option *opt __maybe_unused,
return 0;
}
+static bool slab_legacy_tp_is_exposed(void)
+{
+ /*
+ * The tracepoints "kmem:kmalloc_node" and
+ * "kmem:kmem_cache_alloc_node" have been removed on the latest
+ * kernel, if the tracepoint "kmem:kmalloc_node" is existed it
+ * means the tool is running on an old kernel, we need to
+ * rollback to support these legacy tracepoints.
+ */
+ return IS_ERR(trace_event__tp_format("kmem", "kmalloc_node")) ?
+ false : true;
+}
+
static int __cmd_record(int argc, const char **argv)
{
const char * const record_args[] = {
@@ -1831,22 +1856,28 @@ static int __cmd_record(int argc, const char **argv)
};
const char * const slab_events[] = {
"-e", "kmem:kmalloc",
- "-e", "kmem:kmalloc_node",
"-e", "kmem:kfree",
"-e", "kmem:kmem_cache_alloc",
- "-e", "kmem:kmem_cache_alloc_node",
"-e", "kmem:kmem_cache_free",
};
+ const char * const slab_legacy_events[] = {
+ "-e", "kmem:kmalloc_node",
+ "-e", "kmem:kmem_cache_alloc_node",
+ };
const char * const page_events[] = {
"-e", "kmem:mm_page_alloc",
"-e", "kmem:mm_page_free",
};
unsigned int rec_argc, i, j;
const char **rec_argv;
+ unsigned int slab_legacy_tp_exposed = slab_legacy_tp_is_exposed();
rec_argc = ARRAY_SIZE(record_args) + argc - 1;
- if (kmem_slab)
+ if (kmem_slab) {
rec_argc += ARRAY_SIZE(slab_events);
+ if (slab_legacy_tp_exposed)
+ rec_argc += ARRAY_SIZE(slab_legacy_events);
+ }
if (kmem_page)
rec_argc += ARRAY_SIZE(page_events) + 1; /* for -g */
@@ -1861,6 +1892,10 @@ static int __cmd_record(int argc, const char **argv)
if (kmem_slab) {
for (j = 0; j < ARRAY_SIZE(slab_events); j++, i++)
rec_argv[i] = strdup(slab_events[j]);
+ if (slab_legacy_tp_exposed) {
+ for (j = 0; j < ARRAY_SIZE(slab_legacy_events); j++, i++)
+ rec_argv[i] = strdup(slab_legacy_events[j]);
+ }
}
if (kmem_page) {
rec_argv[i++] = strdup("-g");
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 86e06f136f40..d21fe0f32a6d 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -16,7 +16,9 @@
#include "util/record.h"
#include <api/fs/tracing_path.h>
+#ifdef HAVE_LIBBPF_SUPPORT
#include <bpf/bpf.h>
+#endif
#include "util/bpf_map.h"
#include "util/rlimit.h"
#include "builtin.h"
diff --git a/tools/perf/tests/bpf-script-test-prologue.c b/tools/perf/tests/bpf-script-test-prologue.c
index bd83d364cf30..91778b5c6125 100644
--- a/tools/perf/tests/bpf-script-test-prologue.c
+++ b/tools/perf/tests/bpf-script-test-prologue.c
@@ -20,6 +20,8 @@
# undef if
#endif
+typedef unsigned int __bitwise fmode_t;
+
#define FMODE_READ 0x1
#define FMODE_WRITE 0x2
diff --git a/tools/perf/tests/make b/tools/perf/tests/make
index 05e818a8bbad..009d6efb673c 100644
--- a/tools/perf/tests/make
+++ b/tools/perf/tests/make
@@ -222,19 +222,7 @@ installed_files_bin := bin/perf
installed_files_bin += etc/bash_completion.d/perf
installed_files_bin += libexec/perf-core/perf-archive
-installed_files_plugins := $(lib)/traceevent/plugins/plugin_cfg80211.so
-installed_files_plugins += $(lib)/traceevent/plugins/plugin_scsi.so
-installed_files_plugins += $(lib)/traceevent/plugins/plugin_xen.so
-installed_files_plugins += $(lib)/traceevent/plugins/plugin_function.so
-installed_files_plugins += $(lib)/traceevent/plugins/plugin_sched_switch.so
-installed_files_plugins += $(lib)/traceevent/plugins/plugin_mac80211.so
-installed_files_plugins += $(lib)/traceevent/plugins/plugin_kvm.so
-installed_files_plugins += $(lib)/traceevent/plugins/plugin_kmem.so
-installed_files_plugins += $(lib)/traceevent/plugins/plugin_hrtimer.so
-installed_files_plugins += $(lib)/traceevent/plugins/plugin_jbd2.so
-
installed_files_all := $(installed_files_bin)
-installed_files_all += $(installed_files_plugins)
test_make_install := $(call test_dest_files,$(installed_files_all))
test_make_install_O := $(call test_dest_files,$(installed_files_all))
diff --git a/tools/perf/util/auxtrace.c b/tools/perf/util/auxtrace.c
index 265d20cc126b..c2e323cd7d49 100644
--- a/tools/perf/util/auxtrace.c
+++ b/tools/perf/util/auxtrace.c
@@ -2611,7 +2611,7 @@ static int find_dso_sym(struct dso *dso, const char *sym_name, u64 *start,
*size = sym->start - *start;
if (idx > 0) {
if (*size)
- return 1;
+ return 0;
} else if (dso_sym_match(sym, sym_name, &cnt, idx)) {
print_duplicate_syms(dso, sym_name);
return -EINVAL;
diff --git a/tools/perf/util/bpf_counter.h b/tools/perf/util/bpf_counter.h
index 4dbf26408b69..c6d21c07b14c 100644
--- a/tools/perf/util/bpf_counter.h
+++ b/tools/perf/util/bpf_counter.h
@@ -4,9 +4,12 @@
#include <linux/list.h>
#include <sys/resource.h>
+
+#ifdef HAVE_LIBBPF_SUPPORT
#include <bpf/bpf.h>
#include <bpf/btf.h>
#include <bpf/libbpf.h>
+#endif
struct evsel;
struct target;
@@ -87,6 +90,8 @@ static inline void set_max_rlimit(void)
setrlimit(RLIMIT_MEMLOCK, &rinf);
}
+#ifdef HAVE_BPF_SKEL
+
static inline __u32 bpf_link_get_id(int fd)
{
struct bpf_link_info link_info = { .id = 0, };
@@ -127,5 +132,6 @@ static inline int bperf_trigger_reading(int prog_fd, int cpu)
return bpf_prog_test_run_opts(prog_fd, &opts);
}
+#endif /* HAVE_BPF_SKEL */
#endif /* __PERF_BPF_COUNTER_H */
diff --git a/tools/testing/memblock/internal.h b/tools/testing/memblock/internal.h
index fdb7f5db7308..85973e55489e 100644
--- a/tools/testing/memblock/internal.h
+++ b/tools/testing/memblock/internal.h
@@ -15,6 +15,10 @@ bool mirrored_kernelcore = false;
struct page {};
+void __free_pages_core(struct page *page, unsigned int order)
+{
+}
+
void memblock_free_pages(struct page *page, unsigned long pfn,
unsigned int order)
{
diff --git a/tools/testing/selftests/net/af_unix/test_unix_oob.c b/tools/testing/selftests/net/af_unix/test_unix_oob.c
index b57e91e1c3f2..532459a15067 100644
--- a/tools/testing/selftests/net/af_unix/test_unix_oob.c
+++ b/tools/testing/selftests/net/af_unix/test_unix_oob.c
@@ -124,7 +124,7 @@ void producer(struct sockaddr_un *consumer_addr)
wait_for_signal(pipefd[0]);
if (connect(cfd, (struct sockaddr *)consumer_addr,
- sizeof(struct sockaddr)) != 0) {
+ sizeof(*consumer_addr)) != 0) {
perror("Connect failed");
kill(0, SIGTERM);
exit(1);
diff --git a/tools/testing/selftests/net/l2_tos_ttl_inherit.sh b/tools/testing/selftests/net/l2_tos_ttl_inherit.sh
index dca1e6f777a8..f11756e7df2f 100755
--- a/tools/testing/selftests/net/l2_tos_ttl_inherit.sh
+++ b/tools/testing/selftests/net/l2_tos_ttl_inherit.sh
@@ -12,19 +12,27 @@
# In addition this script also checks if forcing a specific field in the
# outer header is working.
+# Return 4 by default (Kselftest SKIP code)
+ERR=4
+
if [ "$(id -u)" != "0" ]; then
echo "Please run as root."
- exit 0
+ exit $ERR
fi
if ! which tcpdump > /dev/null 2>&1; then
echo "No tcpdump found. Required for this test."
- exit 0
+ exit $ERR
fi
expected_tos="0x00"
expected_ttl="0"
failed=false
+readonly NS0=$(mktemp -u ns0-XXXXXXXX)
+readonly NS1=$(mktemp -u ns1-XXXXXXXX)
+
+RUN_NS0="ip netns exec ${NS0}"
+
get_random_tos() {
# Get a random hex tos value between 0x00 and 0xfc, a multiple of 4
echo "0x$(tr -dc '0-9a-f' < /dev/urandom | head -c 1)\
@@ -61,7 +69,6 @@ setup() {
local vlan="$5"
local test_tos="0x00"
local test_ttl="0"
- local ns="ip netns exec testing"
# We don't want a test-tos of 0x00,
# because this is the value that we get when no tos is set.
@@ -94,14 +101,15 @@ setup() {
printf "│%7s │%6s │%6s │%13s │%13s │%6s │" \
"$type" "$outer" "$inner" "$tos" "$ttl" "$vlan"
- # Create 'testing' netns, veth pair and connect main ns with testing ns
- ip netns add testing
- ip link add type veth
- ip link set veth1 netns testing
- ip link set veth0 up
- $ns ip link set veth1 up
- ip addr flush dev veth0
- $ns ip addr flush dev veth1
+ # Create netns NS0 and NS1 and connect them with a veth pair
+ ip netns add "${NS0}"
+ ip netns add "${NS1}"
+ ip link add name veth0 netns "${NS0}" type veth \
+ peer name veth1 netns "${NS1}"
+ ip -netns "${NS0}" link set dev veth0 up
+ ip -netns "${NS1}" link set dev veth1 up
+ ip -netns "${NS0}" address flush dev veth0
+ ip -netns "${NS1}" address flush dev veth1
local local_addr1=""
local local_addr2=""
@@ -127,51 +135,59 @@ setup() {
if [ "$type" = "gre" ]; then
type="gretap"
fi
- ip addr add 198.18.0.1/24 dev veth0
- $ns ip addr add 198.18.0.2/24 dev veth1
- ip link add name tep0 type $type $local_addr1 remote \
- 198.18.0.2 tos $test_tos ttl $test_ttl $vxlan $geneve
- $ns ip link add name tep1 type $type $local_addr2 remote \
- 198.18.0.1 tos $test_tos ttl $test_ttl $vxlan $geneve
+ ip -netns "${NS0}" address add 198.18.0.1/24 dev veth0
+ ip -netns "${NS1}" address add 198.18.0.2/24 dev veth1
+ ip -netns "${NS0}" link add name tep0 type $type $local_addr1 \
+ remote 198.18.0.2 tos $test_tos ttl $test_ttl \
+ $vxlan $geneve
+ ip -netns "${NS1}" link add name tep1 type $type $local_addr2 \
+ remote 198.18.0.1 tos $test_tos ttl $test_ttl \
+ $vxlan $geneve
elif [ "$outer" = "6" ]; then
if [ "$type" = "gre" ]; then
type="ip6gretap"
fi
- ip addr add fdd1:ced0:5d88:3fce::1/64 dev veth0
- $ns ip addr add fdd1:ced0:5d88:3fce::2/64 dev veth1
- ip link add name tep0 type $type $local_addr1 \
- remote fdd1:ced0:5d88:3fce::2 tos $test_tos ttl $test_ttl \
- $vxlan $geneve
- $ns ip link add name tep1 type $type $local_addr2 \
- remote fdd1:ced0:5d88:3fce::1 tos $test_tos ttl $test_ttl \
- $vxlan $geneve
+ ip -netns "${NS0}" address add fdd1:ced0:5d88:3fce::1/64 \
+ dev veth0 nodad
+ ip -netns "${NS1}" address add fdd1:ced0:5d88:3fce::2/64 \
+ dev veth1 nodad
+ ip -netns "${NS0}" link add name tep0 type $type $local_addr1 \
+ remote fdd1:ced0:5d88:3fce::2 tos $test_tos \
+ ttl $test_ttl $vxlan $geneve
+ ip -netns "${NS1}" link add name tep1 type $type $local_addr2 \
+ remote fdd1:ced0:5d88:3fce::1 tos $test_tos \
+ ttl $test_ttl $vxlan $geneve
fi
# Bring L2-tunnel link up and create VLAN on top
- ip link set tep0 up
- $ns ip link set tep1 up
- ip addr flush dev tep0
- $ns ip addr flush dev tep1
+ ip -netns "${NS0}" link set tep0 up
+ ip -netns "${NS1}" link set tep1 up
+ ip -netns "${NS0}" address flush dev tep0
+ ip -netns "${NS1}" address flush dev tep1
local parent
if $vlan; then
parent="vlan99-"
- ip link add link tep0 name ${parent}0 type vlan id 99
- $ns ip link add link tep1 name ${parent}1 type vlan id 99
- ip link set ${parent}0 up
- $ns ip link set ${parent}1 up
- ip addr flush dev ${parent}0
- $ns ip addr flush dev ${parent}1
+ ip -netns "${NS0}" link add link tep0 name ${parent}0 \
+ type vlan id 99
+ ip -netns "${NS1}" link add link tep1 name ${parent}1 \
+ type vlan id 99
+ ip -netns "${NS0}" link set dev ${parent}0 up
+ ip -netns "${NS1}" link set dev ${parent}1 up
+ ip -netns "${NS0}" address flush dev ${parent}0
+ ip -netns "${NS1}" address flush dev ${parent}1
else
parent="tep"
fi
# Assign inner IPv4/IPv6 addresses
if [ "$inner" = "4" ] || [ "$inner" = "other" ]; then
- ip addr add 198.19.0.1/24 brd + dev ${parent}0
- $ns ip addr add 198.19.0.2/24 brd + dev ${parent}1
+ ip -netns "${NS0}" address add 198.19.0.1/24 brd + dev ${parent}0
+ ip -netns "${NS1}" address add 198.19.0.2/24 brd + dev ${parent}1
elif [ "$inner" = "6" ]; then
- ip addr add fdd4:96cf:4eae:443b::1/64 dev ${parent}0
- $ns ip addr add fdd4:96cf:4eae:443b::2/64 dev ${parent}1
+ ip -netns "${NS0}" address add fdd4:96cf:4eae:443b::1/64 \
+ dev ${parent}0 nodad
+ ip -netns "${NS1}" address add fdd4:96cf:4eae:443b::2/64 \
+ dev ${parent}1 nodad
fi
}
@@ -192,10 +208,10 @@ verify() {
ping_dst="198.19.0.3" # Generates ARPs which are not IPv4/IPv6
fi
if [ "$tos_ttl" = "inherit" ]; then
- ping -i 0.1 $ping_dst -Q "$expected_tos" -t "$expected_ttl" \
- 2>/dev/null 1>&2 & ping_pid="$!"
+ ${RUN_NS0} ping -i 0.1 $ping_dst -Q "$expected_tos" \
+ -t "$expected_ttl" 2>/dev/null 1>&2 & ping_pid="$!"
else
- ping -i 0.1 $ping_dst 2>/dev/null 1>&2 & ping_pid="$!"
+ ${RUN_NS0} ping -i 0.1 $ping_dst 2>/dev/null 1>&2 & ping_pid="$!"
fi
local tunnel_type_offset tunnel_type_proto req_proto_offset req_offset
if [ "$type" = "gre" ]; then
@@ -216,10 +232,12 @@ verify() {
req_proto_offset="$((req_proto_offset + 4))"
req_offset="$((req_offset + 4))"
fi
- out="$(tcpdump --immediate-mode -p -c 1 -v -i veth0 -n \
- ip[$tunnel_type_offset] = $tunnel_type_proto and \
- ip[$req_proto_offset] = 0x01 and \
- ip[$req_offset] = 0x08 2>/dev/null | head -n 1)"
+ out="$(${RUN_NS0} tcpdump --immediate-mode -p -c 1 -v \
+ -i veth0 -n \
+ ip[$tunnel_type_offset] = $tunnel_type_proto and \
+ ip[$req_proto_offset] = 0x01 and \
+ ip[$req_offset] = 0x08 2>/dev/null \
+ | head -n 1)"
elif [ "$inner" = "6" ]; then
req_proto_offset="44"
req_offset="78"
@@ -231,10 +249,12 @@ verify() {
req_proto_offset="$((req_proto_offset + 4))"
req_offset="$((req_offset + 4))"
fi
- out="$(tcpdump --immediate-mode -p -c 1 -v -i veth0 -n \
- ip[$tunnel_type_offset] = $tunnel_type_proto and \
- ip[$req_proto_offset] = 0x3a and \
- ip[$req_offset] = 0x80 2>/dev/null | head -n 1)"
+ out="$(${RUN_NS0} tcpdump --immediate-mode -p -c 1 -v \
+ -i veth0 -n \
+ ip[$tunnel_type_offset] = $tunnel_type_proto and \
+ ip[$req_proto_offset] = 0x3a and \
+ ip[$req_offset] = 0x80 2>/dev/null \
+ | head -n 1)"
elif [ "$inner" = "other" ]; then
req_proto_offset="36"
req_offset="45"
@@ -250,11 +270,13 @@ verify() {
expected_tos="0x00"
expected_ttl="64"
fi
- out="$(tcpdump --immediate-mode -p -c 1 -v -i veth0 -n \
- ip[$tunnel_type_offset] = $tunnel_type_proto and \
- ip[$req_proto_offset] = 0x08 and \
- ip[$((req_proto_offset + 1))] = 0x06 and \
- ip[$req_offset] = 0x01 2>/dev/null | head -n 1)"
+ out="$(${RUN_NS0} tcpdump --immediate-mode -p -c 1 -v \
+ -i veth0 -n \
+ ip[$tunnel_type_offset] = $tunnel_type_proto and \
+ ip[$req_proto_offset] = 0x08 and \
+ ip[$((req_proto_offset + 1))] = 0x06 and \
+ ip[$req_offset] = 0x01 2>/dev/null \
+ | head -n 1)"
fi
elif [ "$outer" = "6" ]; then
if [ "$type" = "gre" ]; then
@@ -273,10 +295,12 @@ verify() {
req_proto_offset="$((req_proto_offset + 4))"
req_offset="$((req_offset + 4))"
fi
- out="$(tcpdump --immediate-mode -p -c 1 -v -i veth0 -n \
- ip6[$tunnel_type_offset] = $tunnel_type_proto and \
- ip6[$req_proto_offset] = 0x01 and \
- ip6[$req_offset] = 0x08 2>/dev/null | head -n 1)"
+ out="$(${RUN_NS0} tcpdump --immediate-mode -p -c 1 -v \
+ -i veth0 -n \
+ ip6[$tunnel_type_offset] = $tunnel_type_proto and \
+ ip6[$req_proto_offset] = 0x01 and \
+ ip6[$req_offset] = 0x08 2>/dev/null \
+ | head -n 1)"
elif [ "$inner" = "6" ]; then
local req_proto_offset="72"
local req_offset="106"
@@ -288,10 +312,12 @@ verify() {
req_proto_offset="$((req_proto_offset + 4))"
req_offset="$((req_offset + 4))"
fi
- out="$(tcpdump --immediate-mode -p -c 1 -v -i veth0 -n \
- ip6[$tunnel_type_offset] = $tunnel_type_proto and \
- ip6[$req_proto_offset] = 0x3a and \
- ip6[$req_offset] = 0x80 2>/dev/null | head -n 1)"
+ out="$(${RUN_NS0} tcpdump --immediate-mode -p -c 1 -v \
+ -i veth0 -n \
+ ip6[$tunnel_type_offset] = $tunnel_type_proto and \
+ ip6[$req_proto_offset] = 0x3a and \
+ ip6[$req_offset] = 0x80 2>/dev/null \
+ | head -n 1)"
elif [ "$inner" = "other" ]; then
local req_proto_offset="64"
local req_offset="73"
@@ -307,15 +333,17 @@ verify() {
expected_tos="0x00"
expected_ttl="64"
fi
- out="$(tcpdump --immediate-mode -p -c 1 -v -i veth0 -n \
- ip6[$tunnel_type_offset] = $tunnel_type_proto and \
- ip6[$req_proto_offset] = 0x08 and \
- ip6[$((req_proto_offset + 1))] = 0x06 and \
- ip6[$req_offset] = 0x01 2>/dev/null | head -n 1)"
+ out="$(${RUN_NS0} tcpdump --immediate-mode -p -c 1 -v \
+ -i veth0 -n \
+ ip6[$tunnel_type_offset] = $tunnel_type_proto and \
+ ip6[$req_proto_offset] = 0x08 and \
+ ip6[$((req_proto_offset + 1))] = 0x06 and \
+ ip6[$req_offset] = 0x01 2>/dev/null \
+ | head -n 1)"
fi
fi
kill -9 $ping_pid
- wait $ping_pid 2>/dev/null
+ wait $ping_pid 2>/dev/null || true
result="FAIL"
if [ "$outer" = "4" ]; then
captured_ttl="$(get_field "ttl" "$out")"
@@ -351,11 +379,35 @@ verify() {
}
cleanup() {
- ip link del veth0 2>/dev/null
- ip netns del testing 2>/dev/null
- ip link del tep0 2>/dev/null
+ ip netns del "${NS0}" 2>/dev/null
+ ip netns del "${NS1}" 2>/dev/null
}
+exit_handler() {
+ # Don't exit immediately if one of the intermediate commands fails.
+ # We might be called at the end of the script, when the network
+ # namespaces have already been deleted. So cleanup() may fail, but we
+ # still need to run until 'exit $ERR' or the script won't return the
+ # correct error code.
+ set +e
+
+ cleanup
+
+ exit $ERR
+}
+
+# Restore the default SIGINT handler (just in case) and exit.
+# The exit handler will take care of cleaning everything up.
+interrupted() {
+ trap - INT
+
+ exit $ERR
+}
+
+set -e
+trap exit_handler EXIT
+trap interrupted INT
+
printf "┌────────┬───────┬───────┬──────────────┬"
printf "──────────────┬───────┬────────┐\n"
for type in gre vxlan geneve; do
@@ -385,6 +437,10 @@ done
printf "└────────┴───────┴───────┴──────────────┴"
printf "──────────────┴───────┴────────┘\n"
+# All tests done.
+# Set ERR appropriately: it will be returned by the exit handler.
if $failed; then
- exit 1
+ ERR=1
+else
+ ERR=0
fi
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 13e88297f999..9c60384b5ae0 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -3954,6 +3954,13 @@ static int kvm_vm_ioctl_create_vcpu(struct kvm *kvm, u32 id)
}
mutex_lock(&kvm->lock);
+
+#ifdef CONFIG_LOCKDEP
+ /* Ensure that lockdep knows vcpu->mutex is taken *inside* kvm->lock */
+ mutex_lock(&vcpu->mutex);
+ mutex_unlock(&vcpu->mutex);
+#endif
+
if (kvm_get_vcpu_by_id(kvm, id)) {
r = -EEXIST;
goto unlock_vcpu_destroy;