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2020-03-26Merge tag 'omap-for-v5.7/ti-sysc-drop-pdata-signed' of ↵Arnd Bergmann
git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/late Drop legacy platform data for omaps for v5.7 This series of changes continues dropping legacy platform data for omaps by updating devices to probe with ti-sysc interconnect target module driver: - Update omap4, omap5, am437x, and dra7 display subsystem (DSS) to probe with device tree data only - Update am335x, am437x and dra7 to probe EDMA to probe with device tree data only - Drop legacy platform data for am335x and am437x PRUSS as the current code just keeps the devices in reset - Drop legacy platform data for omap4 DSP and IPU as the current code just keeps the devices in reset - Configure am437x and dra7 PRU-ICSS to probe with device tree data For the dropped omap4 DSP and IPU platform data, there will be patches coming later on to configure the accelerators using the omap remoteproc bindings so hopefully folks can actually use these devices eventually. * tag 'omap-for-v5.7/ti-sysc-drop-pdata-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (56 commits) ARM: OMAP2+: Drop legacy platform data for dra7 edma ARM: OMAP2+: Drop legacy platform data for am3 and am4 edma ARM: dts: Configure interconnect target module for dra7 tptc1 ARM: dts: Configure interconnect target module for dra7 tptc0 ARM: dts: Configure interconnect target module for dra7 tpcc ARM: dts: Configure interconnect target module for am4 tptc2 ARM: dts: Configure interconnect target module for am4 tptc1 ARM: dts: Configure interconnect target module for am4 tptc0 ARM: dts: Configure interconnect target module for am4 tpcc ARM: dts: Configure interconnect target module for am3 tptc2 ARM: dts: Configure interconnect target module for am3 tptc1 ARM: dts: Configure interconnect target module for am3 tptc0 ARM: dts: Configure interconnect target module for am3 tpcc ARM: dts: dra7: Add PRU-ICSS interconnect target-module nodes ARM: dts: AM4372: Add the PRU-ICSS interconnect target-module node ARM: dts: AM33xx-l4: Update PRUSS interconnect target-module node ARM: OMAP2+: Drop legacy platform data for am437x DSS ARM: OMAP2+: Drop legacy platform data for dra7 DSS ARM: OMAP2+: Drop legacy platform data for omap5 DSS ARM: OMAP2+: Drop legacy platform data for omap4 dss ... Link: https://lore.kernel.org/r/pull-1583858385-416921@atomide.com Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-03-26coresight: do not use the BIT() macro in the UAPI headerEugene Syromiatnikov
The BIT() macro definition is not available for the UAPI headers (moreover, it can be defined differently in the user space); replace its usage with the _BITUL() macro that is defined in <linux/const.h>. Fixes: 237483aa5cf4 ("coresight: stm: adding driver for CoreSight STM component") Signed-off-by: Eugene Syromiatnikov <esyr@redhat.com> Cc: stable <stable@vger.kernel.org> Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org> Link: https://lore.kernel.org/r/20200324042213.GA10452@asgard.redhat.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-26mmc: core: Re-work the code for eMMC sanitizeUlf Hansson
The error path for sanitize operations that completes with -ETIMEDOUT, is tightly coupled with the internal request handling code of the core. More precisely, mmc_wait_for_req_done() checks for specific sanitize errors. This is not only inefficient as it affects all types of requests, but also hackish. Therefore, let's improve the behaviour by moving the error path out of the mmc core. To do that, retuning needs to be held while running the sanitize operation. Moreover, to avoid exporting unnecessary symbols to the mmc block module, let's move the code into the mmc_ops.c file. While updating the actual code, let's also take the opportunity to clean up some of the mess around it. Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Link: https://lore.kernel.org/r/20200316152152.15122-1-ulf.hansson@linaro.org
2020-03-26Merge tag 'v5.6-rc7' into i2c/for-5.7Wolfram Sang
Linux 5.6-rc7
2020-03-26KVM: Fix out of range accesses to memslotsSean Christopherson
Reset the LRU slot if it becomes invalid when deleting a memslot to fix an out-of-bounds/use-after-free access when searching through memslots. Explicitly check for there being no used slots in search_memslots(), and in the caller of s390's approximation variant. Fixes: 36947254e5f9 ("KVM: Dynamically size memslot array based on number of used slots") Reported-by: Qian Cai <cai@lca.pw> Cc: Peter Xu <peterx@redhat.com> Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com> Message-Id: <20200320205546.2396-2-sean.j.christopherson@intel.com> Acked-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-03-25remoteproc/omap: Remove the platform_data headerTero Kristo
The platform data header for OMAP remoteproc is no longer used for anything post ti-sysc and DT conversion, so just remove it completely. Signed-off-by: Tero Kristo <t-kristo@ti.com> Acked-by: Suman Anna <s-anna@ti.com> Reviewed-by: Andrew F. Davis <afd@ti.com> Acked-by: Mathieu Poirier <mathieu.poirier@linaro.org> Link: https://lore.kernel.org/r/20200324110035.29907-9-t-kristo@ti.com Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-03-25remoteproc: Introduce "panic" callback in opsBjorn Andersson
Introduce generic support for handling kernel panics in remoteproc drivers, in order to allow operations needed for aiding in post mortem system debugging, such as flushing caches etc. The function can return a number of milliseconds needed by the remote to "settle" and the core will wait the longest returned duration before returning from the panic handler. Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org> Link: https://lore.kernel.org/r/20200324052904.738594-3-bjorn.andersson@linaro.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-03-25remoteproc: Adapt coredump to generate correct elf typeClement Leger
Now that remoteproc can load an elf64, coredump elf class should be the same as the loaded elf class. In order to do that, add a elf_class field to rproc with default values. If an elf is loaded successfully, this field will be updated with the loaded elf class. Then, the coredump core code has been modified to use the generic elf macro in order to create an elf file with correct class. Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Clement Leger <cleger@kalray.eu> Link: https://lore.kernel.org/r/20200302093902.27849-9-cleger@kalray.eu Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-03-25remoteproc: Use u64 type for boot_addrClement Leger
elf64 entry is defined as a u64. Since boot_addr is used to store the elf entry point, change boot_addr type to u64 to support both elf32 and elf64. In the same time, fix users that were using this variable. Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Clement Leger <cleger@kalray.eu> Link: https://lore.kernel.org/r/20200302093902.27849-4-cleger@kalray.eu [bjorn: Fixes up return type of rproc_get_boot_addr()] Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-03-25remoteproc: Use size_t instead of int for rproc_mem_entry lenClement Leger
Now that rproc_da_to_va uses a size_t for length, use a size_t for len field of rproc_mem_entry. Function used to create such structures now takes a size_t instead of int to allow full size range to be handled. Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Clement Leger <cleger@kalray.eu> Link: https://lore.kernel.org/r/20200302093902.27849-3-cleger@kalray.eu Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-03-25remoteproc: Use size_t type for len in da_to_vaClement Leger
With upcoming changes in elf loader for elf64 support, section size will be a u64. When used with da_to_va, this will potentially lead to overflow if using the current "int" type for len argument. Change da_to_va prototype to use a size_t for len and fix all users of this function. Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Clement Leger <cleger@kalray.eu> Link: https://lore.kernel.org/r/20200302093902.27849-2-cleger@kalray.eu Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-03-25Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netDavid S. Miller
Overlapping header include additions in macsec.c A bug fix in 'net' overlapping with the removal of 'version' string in ena_netdev.c Overlapping test additions in selftests Makefile Overlapping PCI ID table adjustments in iwlwifi driver. Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-25clk: Pass correct arguments to __clk_hw_register_gate()Stephen Boyd
I copy/pasted these macros and forgot to update the argument names and where they're passed to. Fix it so that these macros make sense. Reported-by: Maxime Ripard <maxime@cerno.tech> Fixes: 194efb6e2667 ("clk: gate: Add support for specifying parents via DT/pointers") Signed-off-by: Stephen Boyd <sboyd@kernel.org> Link: https://lkml.kernel.org/r/20200325022257.148244-1-sboyd@kernel.org Tested-by: Maxime Ripard <mripard@kernel.org>
2020-03-26KVM: PPC: Book3S HV: Add a capability for enabling secure guestsPaul Mackerras
At present, on Power systems with Protected Execution Facility hardware and an ultravisor, a KVM guest can transition to being a secure guest at will. Userspace (QEMU) has no way of knowing whether a host system is capable of running secure guests. This will present a problem in future when the ultravisor is capable of migrating secure guests from one host to another, because virtualization management software will have no way to ensure that secure guests only run in domains where all of the hosts can support secure guests. This adds a VM capability which has two functions: (a) userspace can query it to find out whether the host can support secure guests, and (b) userspace can enable it for a guest, which allows that guest to become a secure guest. If userspace does not enable it, KVM will return an error when the ultravisor does the hypercall that indicates that the guest is starting to transition to a secure guest. The ultravisor will then abort the transition and the guest will terminate. Signed-off-by: Paul Mackerras <paulus@ozlabs.org> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Reviewed-by: Ram Pai <linuxram@us.ibm.com>
2020-03-25fanotify: report name info for FAN_DIR_MODIFY eventAmir Goldstein
Report event FAN_DIR_MODIFY with name in a variable length record similar to how fid's are reported. With name info reporting implemented, setting FAN_DIR_MODIFY in mark mask is now allowed. When events are reported with name, the reported fid identifies the directory and the name follows the fid. The info record type for this event info is FAN_EVENT_INFO_TYPE_DFID_NAME. For now, all reported events have at most one info record which is either FAN_EVENT_INFO_TYPE_FID or FAN_EVENT_INFO_TYPE_DFID_NAME (for FAN_DIR_MODIFY). Later on, events "on child" will report both records. There are several ways that an application can use this information: 1. When watching a single directory, the name is always relative to the watched directory, so application need to fstatat(2) the name relative to the watched directory. 2. When watching a set of directories, the application could keep a map of dirfd for all watched directories and hash the map by fid obtained with name_to_handle_at(2). When getting a name event, the fid in the event info could be used to lookup the base dirfd in the map and then call fstatat(2) with that dirfd. 3. When watching a filesystem (FAN_MARK_FILESYSTEM) or a large set of directories, the application could use open_by_handle_at(2) with the fid in event info to obtain dirfd for the directory where event happened and call fstatat(2) with this dirfd. The last option scales better for a large number of watched directories. The first two options may be available in the future also for non privileged fanotify watchers, because open_by_handle_at(2) requires the CAP_DAC_READ_SEARCH capability. Link: https://lore.kernel.org/r/20200319151022.31456-15-amir73il@gmail.com Signed-off-by: Amir Goldstein <amir73il@gmail.com> Signed-off-by: Jan Kara <jack@suse.cz>
2020-03-25Merge tag 'amlogic-dt64-2' of ↵Arnd Bergmann
git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into arm/dt arm64: dts: Amlogic updates for v5.7 (round 2) - G12[ab]: add SPI support, enable on odroid-n2 * tag 'amlogic-dt64-2' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic: arm64: dts: meson-g12b-odroid-n2: add SPIFC controller node arm64: dts: khadas-vim3: add SPIFC controller node arm64: dts: meson-g12: add the SPIFC nodes arm64: dts: meson-g12: split emmc pins to select 4 or 8 bus width arm64: dts: meson-g12-common: add spicc controller nodes dt-bindings: clk: g12a-clkc: add SPICC SCLK Source clock IDs dt-bindings: clk: meson: add the gxl internal dac gate Link: https://lore.kernel.org/r/7hftdyhfq4.fsf@baylibre.com Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-03-25Merge tag 'imx-dt64-5.7' of ↵Arnd Bergmann
git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/dt i.MX arm64 DTS update for 5.7: - New support for Kontron LS1028A based boards and NXP i.MX8MP EVK. - Add Ethernet PHY reset GPIO for imx8mm-evk and imx8mq-evk board. - Add gpio-fan, thermal and Ethernet support for imx8mq-phanbell board. - Add SNVS clock description to pwrkey device for i.MX8 SoCs. - A number of updates on librem5-devkit board to add audio, proximity sensor, lsm9ds1 mount matrix support, and improve WoWWAN, DVFS, SD devices as well. - A series of patches from Anson Huang to update i.MX8 EVK boards for support of I2C PCA6416, thermal, GPIO LED, OPP table etc. - Add PCIe device nodes for LX2160A and LS1028A SoC. - Add FSPI deivce support for LX2160A evaluation boards. - Add EEPROM and LTC3882 regulator support for lx2160a-cex7 board. - Other small and random updates on LS1028A and i.MX8 support. * tag 'imx-dt64-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux: (63 commits) arm64: dts: ls1028a: disable the felix switch by default arm64: dts: imx8mp: Add snvs clock to powerkey arm64: dts: imx8mn: Add snvs clock to powerkey arm64: dts: ls1028a: Add PCIe controller DT nodes arm64: dts: ls1028a: sl28: add support for variant 2 arm64: dts: ls1028a: sl28: expose switch ports in KBox A-230-LS arm64: dts: ls1028a: sl28: fix on-board EEPROMS arm64: dts: freescale: sl28: add SPI flash arm64: dts: imx8m: fix aips dts node arm64: dts: imx8mn: Add CPU thermal zone support arm64: dts: imx8mm: Add thermal zone support arm64: dts: imx8mq-phanbell: Fix Ethernet PHY post-reset duration arm64: dts: enable fspi in imx8mm dts arm64: dts: imx8mn: align name for crypto child nodes arm64: dts: lx2160aqds: Add FSPI node properties arm64: dts: lx2160ardb: Update FSPI node properties arm64: dts: imx8mq-phanbell: Add gpio-fan/thermal support arm64: dts: layerscape: add iommu-map property to pci nodes arm64: dts: imx8mp-evk: Enable pca6416 on i2c3 bus arm64: dts: imx8mp-evk: Add i2c3 support ... Link: https://lore.kernel.org/r/20200318051918.32579-5-shawnguo@kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-03-25Bluetooth: L2CAP: Use DEFER_SETUP to group ECRED connectionsLuiz Augusto von Dentz
This uses the DEFER_SETUP flag to group channels with L2CAP_CREDIT_BASED_CONNECTION_REQ. Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2020-03-25Merge tag 'spi-nor/for-5.7' into mtd/nextMiquel Raynal
SPI NOR core changes: - move all the manufacturer specific quirks/code out of the core, to make the core logic more readable and thus ease maintenance. - move the SFDP logic out of the core, it provides a better separation between the SFDP parsing and core logic. - trim what is exposed in spi-nor.h. The SPI NOR controllers drivers must not be able to use structures that are meant just for the SPI NOR core. - use the spi-mem direct mapping API to let advanced controllers optimize the read/write operations when they support direct mapping. - add generic formula for the Status Register block protection handling. It fixes some long standing locking limitations and eases the addition of the 4bit block protection support. - add block protection support for flashes with 4 block protection bits in the Status Register. SPI NOR controller drivers changes: - the mtk-quadspi driver is replaced by the new spi-mem spi-mtk-nor driver. Merge tag 'mtk-mtd-spi-move' into spi-nor/next to avoid conflicts.
2020-03-25Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netLinus Torvalds
Pull networking fixes from David Miller: 1) Fix deadlock in bpf_send_signal() from Yonghong Song. 2) Fix off by one in kTLS offload of mlx5, from Tariq Toukan. 3) Add missing locking in iwlwifi mvm code, from Avraham Stern. 4) Fix MSG_WAITALL handling in rxrpc, from David Howells. 5) Need to hold RTNL mutex in tcindex_partial_destroy_work(), from Cong Wang. 6) Fix producer race condition in AF_PACKET, from Willem de Bruijn. 7) cls_route removes the wrong filter during change operations, from Cong Wang. 8) Reject unrecognized request flags in ethtool netlink code, from Michal Kubecek. 9) Need to keep MAC in reset until PHY is up in bcmgenet driver, from Doug Berger. 10) Don't leak ct zone template in act_ct during replace, from Paul Blakey. 11) Fix flushing of offloaded netfilter flowtable flows, also from Paul Blakey. 12) Fix throughput drop during tx backpressure in cxgb4, from Rahul Lakkireddy. 13) Don't let a non-NULL skb->dev leave the TCP stack, from Eric Dumazet. 14) TCP_QUEUE_SEQ socket option has to update tp->copied_seq as well, also from Eric Dumazet. 15) Restrict macsec to ethernet devices, from Willem de Bruijn. 16) Fix reference leak in some ethtool *_SET handlers, from Michal Kubecek. 17) Fix accidental disabling of MSI for some r8169 chips, from Heiner Kallweit. * git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (138 commits) net: Fix CONFIG_NET_CLS_ACT=n and CONFIG_NFT_FWD_NETDEV={y, m} build net: ena: Add PCI shutdown handler to allow safe kexec selftests/net/forwarding: define libs as TEST_PROGS_EXTENDED selftests/net: add missing tests to Makefile r8169: re-enable MSI on RTL8168c net: phy: mdio-bcm-unimac: Fix clock handling cxgb4/ptp: pass the sign of offset delta in FW CMD net: dsa: tag_8021q: replace dsa_8021q_remove_header with __skb_vlan_pop net: cbs: Fix software cbs to consider packet sending time net/mlx5e: Do not recover from a non-fatal syndrome net/mlx5e: Fix ICOSQ recovery flow with Striding RQ net/mlx5e: Fix missing reset of SW metadata in Striding RQ reset net/mlx5e: Enhance ICOSQ WQE info fields net/mlx5_core: Set IB capability mask1 to fix ib_srpt connection failure selftests: netfilter: add nfqueue test case netfilter: nft_fwd_netdev: allow to redirect to ifb via ingress netfilter: nft_fwd_netdev: validate family and chain type netfilter: nft_set_rbtree: Detect partial overlaps on insertion netfilter: nft_set_rbtree: Introduce and use nft_rbtree_interval_start() netfilter: nft_set_pipapo: Separate partial and complete overlap cases on insertion ...
2020-03-25Merge tag 'tegra-for-5.7-dt-bindings' of ↵Arnd Bergmann
git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/dt dt-bindings: Changes for v5.7-rc1 New IDs are added for clocks that are controlled by the PMC. This replaces older IDs that were erroneously provided by the clock and reset controller. This also adds device tree bindings for XUSB pad controller support on Tegra194 as well as USB role switching on NVIDIA Tegra SoCs. * tag 'tegra-for-5.7-dt-bindings' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux: dt-bindings: usb: Add NVIDIA Tegra XUSB device mode controller binding dt-bindings: phy: tegra-xusb: Add usb-role-switch dt-bindings: phy: tegra: Add Tegra194 support dt-bindings: soc: tegra-pmc: Add ID for Tegra PMC 32 kHz blink clock dt-bindings: soc: tegra-pmc: Add Tegra PMC clock bindings dt-bindings: tegra: Convert Tegra PMC bindings to YAML dt-bindings: clock: tegra: Add IDs for OSC clocks Link: https://lore.kernel.org/r/20200313165848.2915133-1-thierry.reding@gmail.com Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-03-25Merge tag 'tegra-for-5.7-cpuidle' of ↵Arnd Bergmann
git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/soc cpuidle: tegra: Changes for v5.7-rc1 These changes unify CPU idle support for Tegra20, Tegra30 and Tegra114. * tag 'tegra-for-5.7-cpuidle' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux: cpuidle: tegra: Disable CC6 state if LP2 unavailable cpuidle: tegra: Squash Tegra114 driver into the common driver cpuidle: tegra: Squash Tegra30 driver into the common driver cpuidle: Refactor and move out NVIDIA Tegra20 driver into drivers/cpuidle Link: https://lore.kernel.org/r/20200313165848.2915133-9-thierry.reding@gmail.com Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-03-25Merge tag 'zynqmp-soc-for-v5.7' of https://github.com/Xilinx/linux-xlnx into ↵Arnd Bergmann
arm/soc arm64: soc: ZynqMP SoC changes for v5.7 - Change firmware dependency to be able to disable it * tag 'zynqmp-soc-for-v5.7' of https://github.com/Xilinx/linux-xlnx: arm64: zynqmp: Make zynqmp_firmware driver optional include: linux: firmware: Correct config dependency of zynqmp_eemi_ops Link: https://lore.kernel.org/r/ecef6de5-8318-9f88-db8c-7c33fe44901f@monstr.eu Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-03-25Merge tag 'at91-5.7-soc' of ↵Arnd Bergmann
git://git.kernel.org/pub/scm/linux/kernel/git/at91/linux into arm/soc AT91 SoC for 5.7 - Rework PM to support sam9x60 * tag 'at91-5.7-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/at91/linux: ARM: at91: pm: add quirk for sam9x60's ulp1 ARM: at91: pm: add plla disable/enable support for sam9x60 clk: at91: move sam9x60's PLL register offsets to PMC header ARM: at91: pm: s/sfr/sfrbu in pm_suspend.S ARM: at91: pm: add pmc_version member to at91_pm_data ARM: at91: pm: add macros for plla disable/enable ARM: at91: pm: revert do not disable/enable PLLA for ULP modes ARM: at91: pm: use proper master clock register offset ARM: at91: Drop unneeded select of COMMON_CLK Link: https://lore.kernel.org/r/20200322090116.GA208895@piout.net Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-03-25Merge tag 'tegra-for-5.7-arm-core' of ↵Arnd Bergmann
git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/soc ARM: tegra: Core changes for v5.7-rc1 These patches a preparatory work to move the CPU idle drivers into drivers/cpuidle. * tag 'tegra-for-5.7-arm-core' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux: ARM: tegra: cpuidle: Remove unnecessary memory barrier ARM: tegra: cpuidle: Make abort_flag atomic ARM: tegra: cpuidle: Handle case where secondary CPU hangs on entering LP2 ARM: tegra: Make outer_disable() open-coded ARM: tegra: Rename some of the newly exposed PM functions ARM: tegra: Expose PM functions required for new cpuidle driver ARM: tegra: Propagate error from tegra_idle_lp2_last() ARM: tegra: Change tegra_set_cpu_in_lp2() type to void ARM: tegra: Remove pen-locking from cpuidle-tegra20 ARM: tegra: Add tegra_pm_park_secondary_cpu() ARM: tegra: Compile sleep-tegra20/30.S unconditionally Link: https://lore.kernel.org/r/20200313165848.2915133-5-thierry.reding@gmail.com Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-03-25Merge tag 'tegra-for-5.7-soc' of ↵Arnd Bergmann
git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/soc soc/tegra: Changes for v5.7-rc1 These changes implement various clocks that are controlled by the PMC and add support for configuring the voltage level of some pins (needed for example to support high-speed modes on the SD/MMC interfaces). * tag 'tegra-for-5.7-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux: soc/tegra: pmc: Cleanup whitespace usage soc/tegra: pmc: Add pins for Tegra194 soc/tegra: Add support for 32 kHz blink clock soc/tegra: Add Tegra PMC clocks registration into PMC driver dt-bindings: usb: Add NVIDIA Tegra XUSB device mode controller binding dt-bindings: phy: tegra-xusb: Add usb-role-switch dt-bindings: phy: tegra: Add Tegra194 support dt-bindings: soc: tegra-pmc: Add ID for Tegra PMC 32 kHz blink clock dt-bindings: soc: tegra-pmc: Add Tegra PMC clock bindings dt-bindings: tegra: Convert Tegra PMC bindings to YAML dt-bindings: clock: tegra: Add IDs for OSC clocks Link: https://lore.kernel.org/r/20200313165848.2915133-3-thierry.reding@gmail.com Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-03-25Merge tag 'omap-for-v5.7/pm33xx-signed' of ↵Arnd Bergmann
git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/soc PM changes for am335x and am437x for v5.7 merge window A series of changes from Dave Gerlach to enable basic cpuidle support for am335x and am437x based on generic cpuidle-arm driver. * tag 'omap-for-v5.7/pm33xx-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: ARM: omap2plus_defconfig: Add CONFIG_ARM_CPUIDLE soc: ti: pm33xx: Add base cpuidle support ARM: OMAP2+: pm33xx-core: Extend platform_data ops for cpuidle ARM: OMAP2+: pm33xx-core: Add cpuidle_ops for am335x/am437x dt-bindings: arm: cpu: Add TI AM335x and AM437x enable method Link: https://lore.kernel.org/r/pull-1583511417-919838@atomide.com-2 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-03-25net: Fix CONFIG_NET_CLS_ACT=n and CONFIG_NFT_FWD_NETDEV={y, m} buildPablo Neira Ayuso
net/netfilter/nft_fwd_netdev.c: In function ‘nft_fwd_netdev_eval’: net/netfilter/nft_fwd_netdev.c:32:10: error: ‘struct sk_buff’ has no member named ‘tc_redirected’ pkt->skb->tc_redirected = 1; ^~ net/netfilter/nft_fwd_netdev.c:33:10: error: ‘struct sk_buff’ has no member named ‘tc_from_ingress’ pkt->skb->tc_from_ingress = 1; ^~ To avoid a direct dependency with tc actions from netfilter, wrap the redirect bits around CONFIG_NET_REDIRECT and move helpers to include/linux/skbuff.h. Turn on this toggle from the ifb driver, the only existing client of these bits in the tree. This patch adds skb_set_redirected() that sets on the redirected bit on the skbuff, it specifies if the packet was redirect from ingress and resets the timestamp (timestamp reset was originally missing in the netfilter bugfix). Fixes: bcfabee1afd99484 ("netfilter: nft_fwd_netdev: allow to redirect to ifb via ingress") Reported-by: noreply@ellerman.id.au Reported-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-25block: move the part_stat* helpers from genhd.h to a new headerChristoph Hellwig
These macros are just used by a few files. Move them out of genhd.h, which is included everywhere into a new standalone header. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-03-25block: move block layer internals out of include/linux/genhd.hChristoph Hellwig
None of this needs to be exposed to drivers. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-03-25block: move guard_bio_eod to bio.cChristoph Hellwig
This is bio layer functionality and not related to buffer heads. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-03-25block: mark part_in_flight and part_in_flight_rw staticChristoph Hellwig
Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-03-25block: mark block_depr staticChristoph Hellwig
Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-03-25exec: Add exec_update_mutex to replace cred_guard_mutexEric W. Biederman
The cred_guard_mutex is problematic as it is held over possibly indefinite waits for userspace. The possible indefinite waits for userspace that I have identified are: The cred_guard_mutex is held in PTRACE_EVENT_EXIT waiting for the tracer. The cred_guard_mutex is held over "put_user(0, tsk->clear_child_tid)" in exit_mm(). The cred_guard_mutex is held over "get_user(futex_offset, ...") in exit_robust_list. The cred_guard_mutex held over copy_strings. The functions get_user and put_user can trigger a page fault which can potentially wait indefinitely in the case of userfaultfd or if userspace implements part of the page fault path. In any of those cases the userspace process that the kernel is waiting for might make a different system call that winds up taking the cred_guard_mutex and result in deadlock. Holding a mutex over any of those possibly indefinite waits for userspace does not appear necessary. Add exec_update_mutex that will just cover updating the process during exec where the permissions and the objects pointed to by the task struct may be out of sync. The plan is to switch the users of cred_guard_mutex to exec_update_mutex one by one. This lets us move forward while still being careful and not introducing any regressions. Link: https://lore.kernel.org/lkml/20160921152946.GA24210@dhcp22.suse.cz/ Link: https://lore.kernel.org/lkml/AM6PR03MB5170B06F3A2B75EFB98D071AE4E60@AM6PR03MB5170.eurprd03.prod.outlook.com/ Link: https://lore.kernel.org/linux-fsdevel/20161102181806.GB1112@redhat.com/ Link: https://lore.kernel.org/lkml/20160923095031.GA14923@redhat.com/ Link: https://lore.kernel.org/lkml/20170213141452.GA30203@redhat.com/ Ref: 45c1a159b85b ("Add PTRACE_O_TRACEVFORKDONE and PTRACE_O_TRACEEXIT facilities.") Ref: 456f17cd1a28 ("[PATCH] user-vm-unlock-2.5.31-A2") Reviewed-by: Kirill Tkhai <ktkhai@virtuozzo.com> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: Bernd Edlinger <bernd.edlinger@hotmail.de> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2020-03-25block/diskstats: replace time_in_queue with sum of request timesKonstantin Khlebnikov
Column "time_in_queue" in diskstats is supposed to show total waiting time of all requests. I.e. value should be equal to the sum of times from other columns. But this is not true, because column "time_in_queue" is counted separately in jiffies rather than in nanoseconds as other times. This patch removes redundant counter for "time_in_queue" and shows total time of read, write, discard and flush requests. Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-03-25block/diskstats: accumulate all per-cpu counters in one passKonstantin Khlebnikov
Reading /proc/diskstats iterates over all cpus for summing each field. It's faster to sum all fields in one pass. Hammering /proc/diskstats with fio shows 2x performance improvement: fio --name=test --numjobs=$JOBS --filename=/proc/diskstats \ --size=1k --bs=1k --fallocate=none --create_on_open=1 \ --time_based=1 --runtime=10 --invalidate=0 --group_report JOBS=1 JOBS=10 Before: 7k iops 64k iops After: 18k iops 120k iops Also this way code is more compact: add/remove: 1/0 grow/shrink: 0/2 up/down: 194/-1540 (-1346) Function old new delta part_stat_read_all - 194 +194 diskstats_show 1344 631 -713 part_stat_show 1219 392 -827 Total: Before=14966947, After=14965601, chg -0.01% Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-03-25block/diskstats: more accurate approximation of io_ticks for slow disksKonstantin Khlebnikov
Currently io_ticks is approximated by adding one at each start and end of requests if jiffies counter has changed. This works perfectly for requests shorter than a jiffy or if one of requests starts/ends at each jiffy. If disk executes just one request at a time and they are longer than two jiffies then only first and last jiffies will be accounted. Fix is simple: at the end of request add up into io_ticks jiffies passed since last update rather than just one jiffy. Example: common HDD executes random read 4k requests around 12ms. fio --name=test --filename=/dev/sdb --rw=randread --direct=1 --runtime=30 & iostat -x 10 sdb Note changes of iostat's "%util" 8,43% -> 99,99% before/after patch: Before: Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util sdb 0,00 0,00 82,60 0,00 330,40 0,00 8,00 0,96 12,09 12,09 0,00 1,02 8,43 After: Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util sdb 0,00 0,00 82,50 0,00 330,00 0,00 8,00 1,00 12,10 12,10 0,00 12,12 99,99 Now io_ticks does not loose time between start and end of requests, but for queue-depth > 1 some I/O time between adjacent starts might be lost. For load estimation "%util" is not as useful as average queue length, but it clearly shows how often disk queue is completely empty. Fixes: 5b18b5a73760 ("block: delete part_round_stats and switch to less precise counting") Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru> Reviewed-by: Ming Lei <ming.lei@redhat.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-03-25Merge branch 'x86/cpu' into perf/core, to resolve conflictIngo Molnar
Conflicts: arch/x86/events/intel/uncore.c Signed-off-by: Ingo Molnar <mingo@kernel.org>
2020-03-25Merge tag 'imx-drivers-5.7' of ↵Arnd Bergmann
git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/drivers i.MX drivers update for 5.7: - Update SCU power domain driver to include PD ranges for audio, CM40 I2C and INTMUX, also enlarge PD range for mu_b. - Remove IMX_SC_RPC_SVC_ABORT from SCU API, as it was added by mistake. - Increase build test coverage for i.MX8M SoC and IMX_SCU driver. - Improve i.MX GPC power up sequencing to ensure that the reset is properly propagated through the peripheral devices in the power domain. * tag 'imx-drivers-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux: soc: imx: drop COMPILE_TEST for IMX_SCU_SOC firmware: imx: add COMPILE_TEST for IMX_SCU driver soc: imx: gpc: fix power up sequencing soc: imx: increase build coverage for imx8m soc driver firmware: imx: scu-pd: add power domain for I2C and INTMUX in CM40 SS firmware: imx: Remove IMX_SC_RPC_SVC_ABORT firmware: imx: scu-pd: enlarge PD range for mu_b firmware: imx: scu-pd: Add missing audio PD ranges soc: imx: gpcv2: include linux/sizes.h Link: https://lore.kernel.org/r/20200318051918.32579-1-shawnguo@kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-03-25Merge tag 'qcom-drivers-for-5.7' of ↵Arnd Bergmann
git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/drivers Qualcomm driver updates for v5.7 This adds a new library for subscribing to notifications about protection domains being stated and stopped and the integration of this with the APR driver. It also contains fixes and cleanups for AOSS driver, socinfo and rpmh. * tag 'qcom-drivers-for-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux: soc: qcom: Fix QCOM_APR dependencies soc: qcom: pdr: Avoid uninitialized use of found in pdr_indication_cb soc: qcom: apr: Add avs/audio tracking functionality dt-bindings: soc: qcom: apr: Add protection domain bindings soc: qcom: Introduce Protection Domain Restart helpers devicetree: bindings: firmware: add ipq806x to qcom_scm soc: qcom: socinfo: Use seq_putc() if possible drivers: qcom: rpmh-rsc: Use rcuidle tracepoints for rpmh soc: qcom: Do not depend on ARCH_QCOM for QMI helpers soc: qcom: aoss: Read back before triggering the IRQ soc: qcom: aoss: Use wake_up_all() instead of wake_up_interruptible_all() drivers: qcom: rpmh: remove rpmh_flush export drivers: qcom: rpmh: fix macro to accept NULL argument Link: https://lore.kernel.org/r/20200318044236.GD470201@yoga Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-03-25Merge tag 'amlogic-drivers' of ↵Arnd Bergmann
git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into arm/drivers soc: drivers: Amlogic updates for v5.7 - Add secure power domain controller * tag 'amlogic-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic: dt-bindings: power: Fix dt_binding_check error soc: amlogic: fix compile failure with MESON_SECURE_PM_DOMAINS & !MESON_SM soc: amlogic: Add support for Secure power domains controller dt-bindings: power: add Amlogic secure power domains bindings firmware: meson_sm: Add secure power domain support Link: https://lore.kernel.org/r/7hpndcugoo.fsf@baylibre.com Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-03-25Merge tag 'omap-for-v5.7/ti-sysc-signed' of ↵Arnd Bergmann
git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/drivers Driver changes for ti-sysc for v5.7 merge window Driver changes for ti-sysc interconnect target module driver mostly to be able to probe display subsystem (DSS) without platform data: - Rename clk_enable/disable quirks to less confusing pre and post reset quirks - Enable module reset to work with modules with no sysconfig register - Also consider non-existing module register when matching quirks - Don't warn with nested ti-sysc devices - Implement basic SoC revision handling - Detect DSS related devices - Implement DSS reset quirks Note that there is also a DSS driver specific probe fix to allow probing devices configured for interconnect target module data that was agreed to be merged along with the ti-sysc driver changes. And then there also changes to handle RTC, EDMA and PRUSS: - Add module unlock quirk for RTC - Detect EDMA modules - Add support for handling PRUSS * tag 'omap-for-v5.7/ti-sysc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: bus: ti-sysc: Add support for PRUSS SYSC type dt-bindings: bus: ti-sysc: Add support for PRUSS SYSC type bus: ti-sysc: Detect EDMA and set quirk flags for tptc bus: ti-sysc: Fix wrong offset for display subsystem reset quirk bus: ti-sysc: Implement display subsystem reset quirk bus: ti-sysc: Detect display subsystem related devices bus: ti-sysc: Handle module unlock quirk needed for some RTC bus: ti-sysc: Implement SoC revision handling bus: ti-sysc: Don't warn about legacy property for nested ti-sysc devices bus: ti-sysc: Consider non-existing registers too when matching quirks bus: ti-sysc: Improve reset to work with modules with no sysconfig bus: ti-sysc: Rename clk related quirks to pre_reset and post_reset quirks bus: ti-sysc: Fix 1-wire reset quirk drm/omap: Prepare DSS for probing without legacy platform data Link: https://lore.kernel.org/r/pull-1583511417-919838@atomide.com-3 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-03-25Merge tag 'extcon-next-for-5.7' of ↵Greg Kroah-Hartman
git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/extcon into char-misc-next Chanwoo writes: Update extcon for 5.7 Detailed description for this pull request: 1. Update the extcon provider driver as following: - Add wakeup support for extcon-axp288.c - Clean-up code of -EPROBE_DEFER error case for extcon-palmas.c - Covert extcon-usbc-cros-ec.txt to yaml format 2. Export symbol of extcon_get_edev_name() * tag 'extcon-next-for-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/extcon: extcon: axp288: Add wakeup support extcon: Mark extcon_get_edev_name() function as exported symbol extcon: palmas: Hide error messages if gpio returns -EPROBE_DEFER dt-bindings: extcon: usbc-cros-ec: convert extcon-usbc-cros-ec.txt to yaml format
2020-03-25cpu/hotplug: Hide cpu_up/down()Qais Yousef
Use separate functions for the device core to bring a CPU up and down. Users outside the device core must use add/remove_cpu() which will take care of extra housekeeping work like keeping sysfs in sync. Make cpu_up/down() static and replace the extra layer of indirection. [ tglx: Removed the extra wrapper functions and adjusted function names ] Signed-off-by: Qais Yousef <qais.yousef@arm.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lkml.kernel.org/r/20200323135110.30522-18-qais.yousef@arm.com
2020-03-25cpu/hotplug: Move bringup of secondary CPUs out of smp_init()Qais Yousef
This is the last direct user of cpu_up() before it can become an internal implementation detail of the cpu subsystem. Signed-off-by: Qais Yousef <qais.yousef@arm.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lkml.kernel.org/r/20200323135110.30522-17-qais.yousef@arm.com
2020-03-25cpu/hotplug: Provide bringup_hibernate_cpu()Qais Yousef
arm64 uses cpu_up() in the resume from hibernation code to ensure that the CPU on which the system hibernated is online. Provide a core function for this. [ tglx: Split out from the combo arm64 patch ] Signed-off-by: Qais Yousef <qais.yousef@arm.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Link: https://lkml.kernel.org/r/20200323135110.30522-9-qais.yousef@arm.com
2020-03-25cpu/hotplug: Create a new function to shutdown nonboot cpusQais Yousef
This function will be used later in machine_shutdown() for some architectures. disable_nonboot_cpus() is not safe to use when doing machine_down(), because it relies on freeze_secondary_cpus() which in turn is a suspend/resume related freeze and could abort if the logic detects any pending activities that can prevent finishing the offlining process. Signed-off-by: Qais Yousef <qais.yousef@arm.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lkml.kernel.org/r/20200323135110.30522-3-qais.yousef@arm.com
2020-03-25cpu/hotplug: Add new {add,remove}_cpu() functionsQais Yousef
The new functions use device_{online,offline}() which are userspace safe. This is in preparation to move cpu_{up, down} kernel users to use a safer interface that is not racy with userspace. Suggested-by: "Paul E. McKenney" <paulmck@kernel.org> Signed-off-by: Qais Yousef <qais.yousef@arm.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Paul E. McKenney <paulmck@kernel.org> Link: https://lkml.kernel.org/r/20200323135110.30522-2-qais.yousef@arm.com
2020-03-25ACPICA: Allow acpi_any_gpe_status_set() to skip one GPERafael J. Wysocki
The check carried out by acpi_any_gpe_status_set() is not precise enough for the suspend-to-idle implementation in Linux and in some cases it is necessary make it skip one GPE (specifically, the EC GPE) from the check to prevent a race condition leading to a premature system resume from occurring. For this reason, redefine acpi_any_gpe_status_set() to take the number of a GPE to skip as an argument. Link: https://bugzilla.kernel.org/show_bug.cgi?id=206629 Tested-by: Ondřej Caletka <ondrej@caletka.cz> Cc: 5.4+ <stable@vger.kernel.org> # 5.4+ Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2020-03-25Merge branch 'for-next/kernel-ptrauth' into for-next/coreCatalin Marinas
* for-next/kernel-ptrauth: : Return address signing - in-kernel support arm64: Kconfig: verify binutils support for ARM64_PTR_AUTH lkdtm: arm64: test kernel pointer authentication arm64: compile the kernel with ptrauth return address signing kconfig: Add support for 'as-option' arm64: suspend: restore the kernel ptrauth keys arm64: __show_regs: strip PAC from lr in printk arm64: unwind: strip PAC from kernel addresses arm64: mask PAC bits of __builtin_return_address arm64: initialize ptrauth keys for kernel booting task arm64: initialize and switch ptrauth kernel keys arm64: enable ptrauth earlier arm64: cpufeature: handle conflicts based on capability arm64: cpufeature: Move cpu capability helpers inside C file arm64: ptrauth: Add bootup/runtime flags for __cpu_setup arm64: install user ptrauth keys at kernel exit time arm64: rename ptrauth key structures to be user-specific arm64: cpufeature: add pointer auth meta-capabilities arm64: cpufeature: Fix meta-capability cpufeature check
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