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2023-02-27mm/mremap: fix dup_anon_vma() in vma_merge() case 4Vlastimil Babka
In case 4, we are shrinking 'prev' (PPPP in the comment) and expanding 'mid' (NNNN). So we need to make sure 'mid' clones the anon_vma from 'prev', if it doesn't have any. After commit 0503ea8f5ba7 ("mm/mmap: remove __vma_adjust()") we can fail to do that due to wrong parameters for dup_anon_vma(). The call is a no-op because res == next, adjust == mid and mid == next. Fix it. Link: https://lkml.kernel.org/r/ad91d62b-37eb-4b73-707a-3c45c9e16256@suse.cz Fixes: 0503ea8f5ba7 ("mm/mmap: remove __vma_adjust()") Signed-off-by: Vlastimil Babka <vbabka@suse.cz> Reviewed-by: Liam R. Howlett <Liam.Howlett@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-02-27vfs: avoid duplicating creds in faccessat if possibleMateusz Guzik
access(2) remains commonly used, for example on exec: access("/etc/ld.so.preload", R_OK) or when running gcc: strace -c gcc empty.c % time seconds usecs/call calls errors syscall ------ ----------- ----------- --------- --------- ---------------- 0.00 0.000000 0 42 26 access It falls down to do_faccessat without the AT_EACCESS flag, which in turn results in allocation of new creds in order to modify fsuid/fsgid and caps. This is a very expensive process single-threaded and most notably multi-threaded, with numerous structures getting refed and unrefed on imminent new cred destruction. Turns out for typical consumers the resulting creds would be identical and this can be checked upfront, avoiding the hard work. An access benchmark plugged into will-it-scale running on Cascade Lake shows: test proc before after access1 1 1310582 2908735 (+121%) # distinct files access1 24 4716491 63822173 (+1353%) # distinct files access2 24 2378041 5370335 (+125%) # same file The above benchmarks are not integrated into will-it-scale, but can be found in a pull request: https://github.com/antonblanchard/will-it-scale/pull/36/files Signed-off-by: Mateusz Guzik <mjguzik@gmail.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2023-02-27capability: add cap_isidenticalMateusz Guzik
Signed-off-by: Mateusz Guzik <mjguzik@gmail.com> Reviewed-by: Serge Hallyn <serge@hallyn.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2023-02-27Merge tag 'f2fs-for-6.3-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs Pull f2fs updates from Jaegeuk Kim: "In this round, we've got a huge number of patches that improve code readability along with minor bug fixes, while we've mainly fixed some critical issues in recently-added per-block age-based extent_cache, atomic write support, and some folio cases. Enhancements: - add sysfs nodes to set last_age_weight and manage discard_io_aware_gran - show ipu policy in debugfs - reduce stack memory cost by using bitfield in struct f2fs_io_info - introduce trace_f2fs_replace_atomic_write_block - enhance iostat support and adds flush commands Bug fixes: - revert "f2fs: truncate blocks in batch in __complete_revoke_list()" - fix kernel crash on the atomic write abort flow - call clear_page_private_reference in .{release,invalid}_folio - support .migrate_folio for compressed inode - fix cgroup writeback accounting with fs-layer encryption - retry to update the inode page given data corruption - fix kernel crash due to NULL io->bio - fix some bugs in per-block age-based extent_cache: - wrong calculation of block age - update age extent in f2fs_do_zero_range() - update age extent correctly during truncation" * tag 'f2fs-for-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (81 commits) f2fs: drop unnecessary arg for f2fs_ioc_*() f2fs: Revert "f2fs: truncate blocks in batch in __complete_revoke_list()" f2fs: synchronize atomic write aborts f2fs: fix wrong segment count f2fs: replace si->sbi w/ sbi in stat_show() f2fs: export ipu policy in debugfs f2fs: make kobj_type structures constant f2fs: fix to do sanity check on extent cache correctly f2fs: add missing description for ipu_policy node f2fs: fix to set ipu policy f2fs: fix typos in comments f2fs: fix kernel crash due to null io->bio f2fs: use iostat_lat_type directly as a parameter in the iostat_update_and_unbind_ctx() f2fs: add sysfs nodes to set last_age_weight f2fs: fix f2fs_show_options to show nogc_merge mount option f2fs: fix cgroup writeback accounting with fs-layer encryption f2fs: fix wrong calculation of block age f2fs: fix to update age extent in f2fs_do_zero_range() f2fs: fix to update age extent correctly during truncation f2fs: fix to avoid potential memory corruption in __update_iostat_latency() ...
2023-02-27vc_screen: modify vcs_size() handling in vcs_read()George Kennedy
Restore the vcs_size() handling in vcs_read() to what it had been in previous version. Fixes: 226fae124b2d ("vc_screen: move load of struct vc_data pointer in vcs_read() to avoid UAF") Suggested-by: Jiri Slaby <jirislaby@kernel.org> Signed-off-by: George Kennedy <george.kennedy@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2023-02-27libbpf: Fix bpf_xdp_query() in old kernelsYonghong Song
Commit 04d58f1b26a4("libbpf: add API to get XDP/XSK supported features") added feature_flags to struct bpf_xdp_query_opts. If a user uses bpf_xdp_query_opts with feature_flags member, the bpf_xdp_query() will check whether 'netdev' family exists or not in the kernel. If it does not exist, the bpf_xdp_query() will return -ENOENT. But 'netdev' family does not exist in old kernels as it is introduced in the same patch set as Commit 04d58f1b26a4. So old kernel with newer libbpf won't work properly with bpf_xdp_query() api call. To fix this issue, if the return value of libbpf_netlink_resolve_genl_family_id() is -ENOENT, bpf_xdp_query() will just return 0, skipping the rest of xdp feature query. This preserves backward compatibility. Fixes: 04d58f1b26a4 ("libbpf: add API to get XDP/XSK supported features") Signed-off-by: Yonghong Song <yhs@fb.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20230227224943.1153459-1-yhs@fb.com
2023-02-27kunit: Fix 'hooks.o' build by recursing into kunitDavid Gow
KUnit's 'hooks.o' file need to be built-in whenever KUnit is enabled (even if CONFIG_KUNIT=m). We'd previously attemtped to do this by adding 'kunit/hooks.o' to obj-y in lib/Makefile, but this caused hooks.c to be rebuilt even when it was unchanged. Instead, always recurse into lib/kunit using obj-y when KUnit is enabled, and add the hooks there. Fixes: 7170b7ed6acb ("kunit: Add "hooks" to call into KUnit when it's built as a module"). Reported-by: Linus Torvalds <torvalds@linux-foundation.org> Link: https://lore.kernel.org/linux-kselftest/CAHk-=wiEf7irTKwPJ0jTMOF3CS-13UXmF6Fns3wuWpOZ_wGyZQ@mail.gmail.com/ Signed-off-by: David Gow <davidgow@google.com> Reviewed-by: Brendan Higgins <brendanhiggins@google.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2023-02-27mips: ralink: make SOC_MT7621 select PINCTRLArınç ÜNAL
Currently, out of every Ralink SoC, only the dt-binding of the MT7621 SoC uses pinctrl. Because of this, PINCTRL is not selected at all. Make SOC_MT7621 select PINCTRL. Remove PINCTRL_MT7621, enabling it for the MT7621 SoC will be handled under the PINCTRL_MT7621 option. Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com> Acked-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2023-02-27mips: remove SYS_HAS_CPU_MIPS32_R1 from RALINKArınç ÜNAL
All MIPS processors on the Ralink SoCs implement the MIPS32 Release 2 Architecture. Remove SYS_HAS_CPU_MIPS32_R1. Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com> Acked-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2023-02-27MIPS: cevt-r4k: Offset the value used to clear compare interruptJiaxun Yang
In c0_compare_int_usable we clear compare interrupt by write value just read out from counter to compare register. However sometimes if those all instructions are graduated together then it's possible that at the time compare register is written, the counter haven't progressed, thus the interrupt is triggered again. It also applies to QEMU that instructions is executed significantly faster then counter. Offset the value used to clear interrupt by one to prevent that happen. Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2023-02-27MIPS: smp-cps: Don't rely on CP0_CMGCRBASEJiaxun Yang
CP0_CMGCRBASE is not always available on CPS enabled system such as early proAptiv. For early SMP bring up where we can't safely access memeory, we patch the entry of CPS NMI vector to inject CMGCR address directly into register during early core bringup. For VPE bringup as the core is already coherenct at that point we just read the variable to obtain the address. Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2023-02-27Merge tag 'net-6.3-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net Pull networking fixes from Jakub Kicinski: "Including fixes from wireless and netfilter. The notable fixes here are the EEE fix which restores boot for many embedded platforms (real and QEMU); WiFi warning suppression and the ICE Kconfig cleanup. Current release - regressions: - phy: multiple fixes for EEE rework - wifi: wext: warn about usage only once - wifi: ath11k: allow system suspend to survive ath11k Current release - new code bugs: - mlx5: Fix memory leak in IPsec RoCE creation - ibmvnic: assign XPS map to correct queue index Previous releases - regressions: - netfilter: ip6t_rpfilter: Fix regression with VRF interfaces - netfilter: ctnetlink: make event listener tracking global - nf_tables: allow to fetch set elements when table has an owner - mlx5: - fix skb leak while fifo resync and push - fix possible ptp queue fifo use-after-free Previous releases - always broken: - sched: fix action bind logic - ptp: vclock: use mutex to fix "sleep on atomic" bug if driver also uses a mutex - netfilter: conntrack: fix rmmod double-free race - netfilter: xt_length: use skb len to match in length_mt6, avoid issues with BIG TCP Misc: - ice: remove unnecessary CONFIG_ICE_GNSS - mlx5e: remove hairpin write debugfs files - sched: act_api: move TCA_EXT_WARN_MSG to the correct hierarchy" * tag 'net-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (53 commits) tcp: tcp_check_req() can be called from process context net: phy: c45: fix network interface initialization failures on xtensa, arm:cubieboard xen-netback: remove unused variables pending_idx and index net/sched: act_api: move TCA_EXT_WARN_MSG to the correct hierarchy net: dsa: ocelot_ext: remove unnecessary phylink.h include net: mscc: ocelot: fix duplicate driver name error net: dsa: felix: fix internal MDIO controller resource length net: dsa: seville: ignore mscc-miim read errors from Lynx PCS net/sched: act_sample: fix action bind logic net/sched: act_mpls: fix action bind logic net/sched: act_pedit: fix action bind logic wifi: wext: warn about usage only once wifi: mt76: usb: fix use-after-free in mt76u_free_rx_queue qede: avoid uninitialized entries in coal_entry array nfc: fix memory leak of se_io context in nfc_genl_se_io ice: remove unnecessary CONFIG_ICE_GNSS net/sched: cls_api: Move call to tcf_exts_miss_cookie_base_destroy() ibmvnic: Assign XPS map to correct queue index docs: net: fix inaccuracies in msg_zerocopy.rst tools: net: add __pycache__ to gitignore ...
2023-02-27libbpf: Document bpf_{btf,link,map,prog}_get_info_by_fd()Ilya Leoshkevich
Replace the short informal description with the proper doc comments. Suggested-by: Andrii Nakryiko <andrii@kernel.org> Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20230220234958.764997-1-iii@linux.ibm.com
2023-02-27SUNRPC: Properly terminate test case arraysChuck Lever
Unable to handle kernel paging request at virtual address 73657420 when execute [73657420] *pgd=00000000 Internal error: Oops: 80000005 [#1] ARM CPU: 0 PID: 1 Comm: swapper Tainted: G N 6.2.0-rc7-00133-g373f26a81164-dirty #9 Hardware name: Generic DT based system PC is at 0x73657420 LR is at kunit_run_tests+0x3e0/0x5f4 On x86 with GCC 12, the missing array terminators did not seem to matter. Other platforms appear to be more picky. Reported-by: Geert Uytterhoeven <geert@linux-m68k.org> Tested-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2023-02-27SUNRPC: Let Kunit tests run with some enctypes compiled outChuck Lever
Allow the new GSS Kerberos encryption type test suites to run outside of the kunit infrastructure. Replace the assertion that fires when lookup_enctype() so that the case is skipped instead of failing outright. Reported-by: Geert Uytterhoeven <geert@linux-m68k.org> Tested-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2023-02-27riscv, bpf: Fix patch_text implicit declarationRandy Dunlap
bpf_jit_comp64.c uses patch_text(), so add <asm/patch.h> to it to prevent the build error: ../arch/riscv/net/bpf_jit_comp64.c: In function 'bpf_arch_text_poke': ../arch/riscv/net/bpf_jit_comp64.c:691:23: error: implicit declaration of function 'patch_text'; did you mean 'path_get'? [-Werror=implicit-function-declaration] 691 | ret = patch_text(ip, new_insns, ninsns); | ^~~~~~~~~~ Fixes: 596f2e6f9cf4 ("riscv, bpf: Add bpf_arch_text_poke support for RV64") Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Pu Lehui <pulehui@huawei.com> Acked-by: Björn Töpel <bjorn@rivosinc.com> Link: https://lore.kernel.org/r/202302271000.Aj4nMXbZ-lkp@intel.com Link: https://lore.kernel.org/bpf/20230227072016.14618-1-rdunlap@infradead.org
2023-02-27bpf, docs: Fix link to BTF docBagas Sanjaya
Ross reported broken link to BTF documentation (Documentation/bpf/btf.rst) in Documentation/bpf/bpf_devel_QA.rst. The link in question is written using external link syntax, with the target refers to BTF doc in reST source (btf.rst), which doesn't exist in resulting HTML output. Fix the link by replacing external link syntax with simply writing out the target doc, which the link will be generated to the correct HTML doc target. Fixes: 6736aa793c2b5f ("selftests/bpf: Add general instructions for test execution") Reported-by: Ross Zwisler <zwisler@google.com> Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Ross Zwisler <zwisler@google.com> Link: https://lore.kernel.org/linux-doc/Y++09LKx25dtR4Ow@google.com/ Link: https://lore.kernel.org/bpf/20230222083530.26136-1-bagasdotme@gmail.com
2023-02-27tcp: tcp_check_req() can be called from process contextEric Dumazet
This is a follow up of commit 0a375c822497 ("tcp: tcp_rtx_synack() can be called from process context"). Frederick Lawler reported another "__this_cpu_add() in preemptible" warning caused by the same reason. In my former patch I took care of tcp_rtx_synack() but forgot that tcp_check_req() also contained some SNMP updates. Note that some parts of tcp_check_req() always run in BH context, I added a comment to clarify this. Fixes: 8336886f786f ("tcp: TCP Fast Open Server - support TFO listeners") Link: https://lore.kernel.org/netdev/8cd33923-a21d-397c-e46b-2a068c287b03@cloudflare.com/T/ Signed-off-by: Eric Dumazet <edumazet@google.com> Reported-by: Frederick Lawler <fred@cloudflare.com> Tested-by: Frederick Lawler <fred@cloudflare.com> Link: https://lore.kernel.org/r/20230227083336.4153089-1-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-02-27libbpf: Fix arm syscall regs spec in bpf_tracing.hPuranjay Mohan
The syscall register definitions for ARM in bpf_tracing.h doesn't define the fifth parameter for the syscalls. Because of this some KPROBES based selftests fail to compile for ARM architecture. Define the fifth parameter that is passed in the R5 register (uregs[4]). Fixes: 3a95c42d65d5 ("libbpf: Define arm syscall regs spec in bpf_tracing.h") Signed-off-by: Puranjay Mohan <puranjay12@gmail.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20230223095346.10129-1-puranjay12@gmail.com
2023-02-27selftests/bpf: Fix compilation errors: Assign a value to a constantRong Tao
Commit bc292ab00f6c("mm: introduce vma->vm_flags wrapper functions") turns the vm_flags into a const variable. Added bpf_find_vma test in commit f108662b27c9("selftests/bpf: Add tests for bpf_find_vma") to assign values to variables that declare const in find_vma_fail1.c programs, which is an error to the compiler and does not test BPF verifiers. It is better to replace 'const vm_flags_t vm_flags' with 'unsigned long vm_start' for testing. $ make -C tools/testing/selftests/bpf/ -j8 ... progs/find_vma_fail1.c:16:16: error: cannot assign to non-static data member 'vm_flags' with const-qualified type 'const vm_flags_t' (aka 'const unsigned long') vma->vm_flags |= 0x55; ~~~~~~~~~~~~~ ^ ../tools/testing/selftests/bpf/tools/include/vmlinux.h:1898:20: note: non-static data member 'vm_flags' declared const here const vm_flags_t vm_flags; ~~~~~~~~~~~`~~~~~~^~~~~~~~ Signed-off-by: Rong Tao <rongtao@cestc.cn> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/tencent_CB281722B3C1BD504C16CDE586CACC2BE706@qq.com
2023-02-27net: phy: c45: fix network interface initialization failures on xtensa, ↵Oleksij Rempel
arm:cubieboard Without proper initialization, "changed" returned random numbers and caused interface initialization failures. Fixes: 022c3f87f88e ("net: phy: add genphy_c45_ethtool_get/set_eee() support") Reported-by: Guenter Roeck <linux@roeck-us.net> Tested-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de> Reviewed-by: Simon Horman <simon.horman@corigine.com> Link: https://lore.kernel.org/r/20230225071644.2754893-1-o.rempel@pengutronix.de Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-02-27xen-netback: remove unused variables pending_idx and indexTom Rix
building with gcc and W=1 reports drivers/net/xen-netback/netback.c:886:21: error: variable ‘pending_idx’ set but not used [-Werror=unused-but-set-variable] 886 | u16 pending_idx; | ^~~~~~~~~~~ pending_idx is not used so remove it. Since index was only used to set pending_idx, remove index as well. Signed-off-by: Tom Rix <trix@redhat.com> Reviewed-by: Juergen Gross <jgross@suse.com> Link: https://lore.kernel.org/r/20230226163429.2351600-1-trix@redhat.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-02-27tools: bpftool: Remove invalid \' json escapeLuis Gerhorst
RFC8259 ("The JavaScript Object Notation (JSON) Data Interchange Format") only specifies \", \\, \/, \b, \f, \n, \r, and \r as valid two-character escape sequences. This does not include \', which is not required in JSON because it exclusively uses double quotes as string separators. Solidus (/) may be escaped, but does not have to. Only reverse solidus (\), double quotes ("), and the control characters have to be escaped. Therefore, with this fix, bpftool correctly supports all valid two-character escape sequences (but still does not support characters that require multi-character escape sequences). Witout this fix, attempting to load a JSON file generated by bpftool using Python 3.10.6's default json.load() may fail with the error "Invalid \escape" if the file contains the invalid escaped single quote (\'). Fixes: b66e907cfee2 ("tools: bpftool: copy JSON writer from iproute2 repository") Signed-off-by: Luis Gerhorst <gerhorst@cs.fau.de> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Reviewed-by: Quentin Monnet <quentin@isovalent.com> Link: https://lore.kernel.org/bpf/20230227150853.16863-1-gerhorst@cs.fau.de
2023-02-27Merge tag 'wireless-2023-02-27' of ↵Jakub Kicinski
git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless Kalle Valo says: ==================== wireless fixes for v6.3 First set of fixes for v6.3. We have only three oneliners. The most important one is the patch reducing warnings about the Wireless Extensions usage, reported by Linus. * tag 'wireless-2023-02-27' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless: wifi: wext: warn about usage only once wifi: mt76: usb: fix use-after-free in mt76u_free_rx_queue wifi: ath11k: allow system suspend to survive ath11k ==================== Link: https://lore.kernel.org/r/20230227131053.BD779C433D2@smtp.kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-02-27Merge tag 'arm-fixes-6.3-1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc Pull ARM SoC fixes from Arnd Bergmann: "A few bugfixes already came up during the merge window. Samsung, ASpeed, Spear have minor DT changes, in case of Samsung this fixes a regression compared to earlier versions. Bartosz takes over as the primary maintainer for the TI DaVinci platform, and we get a few last minute defconfig changes" * tag 'arm-fixes-6.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: ARM: dts: spear320-hmi: correct STMPE GPIO compatible ARM: dts: aspeed: p10bmc: Update battery node name arm64: defconfig: Add IOSCHED_BFQ to the default configs arm64: defconfig: Fix unintentional disablement of PCI on i.MX ARM: dts: exynos: correct TMU phandle in Odroid XU3 family ARM: dts: exynos: correct TMU phandle in Odroid HC1 ARM: dts: exynos: correct TMU phandle in Odroid XU ARM: dts: exynos: correct TMU phandle in Exynos5250 ARM: dts: exynos: correct TMU phandle in Exynos4210 ARM: dts: exynos: correct TMU phandle in Exynos4 MAINTAINERS: make me the maintainer of DaVinci platforms
2023-02-27Merge tag 'soc-drivers-6.3' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc Pull ARM SoC driver updates from Arnd Bergmann: "As usual, there are lots of minor driver changes across SoC platforms from NXP, Amlogic, AMD Zynq, Mediatek, Qualcomm, Apple and Samsung. These usually add support for additional chip variations in existing drivers, but also add features or bugfixes. The SCMI firmware subsystem gains a unified raw userspace interface through debugfs, which can be used for validation purposes. Newly added drivers include: - New power management drivers for StarFive JH7110, Allwinner D1 and Renesas RZ/V2M - A driver for Qualcomm battery and power supply status - A SoC device driver for identifying Nuvoton WPCM450 chips - A regulator coupler driver for Mediatek MT81xxv" * tag 'soc-drivers-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (165 commits) power: supply: Introduce Qualcomm PMIC GLINK power supply soc: apple: rtkit: Do not copy the reg state structure to the stack soc: sunxi: SUN20I_PPU should depend on PM memory: renesas-rpc-if: Remove redundant division of dummy soc: qcom: socinfo: Add IDs for IPQ5332 and its variant dt-bindings: arm: qcom,ids: Add IDs for IPQ5332 and its variant dt-bindings: power: qcom,rpmpd: add RPMH_REGULATOR_LEVEL_LOW_SVS_L1 firmware: qcom_scm: Move qcom_scm.h to include/linux/firmware/qcom/ MAINTAINERS: Update qcom CPR maintainer entry dt-bindings: firmware: document Qualcomm SM8550 SCM dt-bindings: firmware: qcom,scm: add qcom,scm-sa8775p compatible soc: qcom: socinfo: Add Soc IDs for IPQ8064 and variants dt-bindings: arm: qcom,ids: Add Soc IDs for IPQ8064 and variants soc: qcom: socinfo: Add support for new field in revision 17 soc: qcom: smd-rpm: Add IPQ9574 compatible soc: qcom: pmic_glink: remove redundant calculation of svid soc: qcom: stats: Populate all subsystem debugfs files dt-bindings: soc: qcom,rpmh-rsc: Update to allow for generic nodes soc: qcom: pmic_glink: add CONFIG_NET/CONFIG_OF dependencies soc: qcom: pmic_glink: Introduce altmode support ...
2023-02-27Documentation/hw-vuln: Document the interaction between IBRS and STIBPKP Singh
Explain why STIBP is needed with legacy IBRS as currently implemented (KERNEL_IBRS) and why STIBP is not needed when enhanced IBRS is enabled. Fixes: 7c693f54c873 ("x86/speculation: Add spectre_v2=ibrs option to support Kernel IBRS") Signed-off-by: KP Singh <kpsingh@kernel.org> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Link: https://lore.kernel.org/r/20230227060541.1939092-2-kpsingh@kernel.org
2023-02-27x86/speculation: Allow enabling STIBP with legacy IBRSKP Singh
When plain IBRS is enabled (not enhanced IBRS), the logic in spectre_v2_user_select_mitigation() determines that STIBP is not needed. The IBRS bit implicitly protects against cross-thread branch target injection. However, with legacy IBRS, the IBRS bit is cleared on returning to userspace for performance reasons which leaves userspace threads vulnerable to cross-thread branch target injection against which STIBP protects. Exclude IBRS from the spectre_v2_in_ibrs_mode() check to allow for enabling STIBP (through seccomp/prctl() by default or always-on, if selected by spectre_v2_user kernel cmdline parameter). [ bp: Massage. ] Fixes: 7c693f54c873 ("x86/speculation: Add spectre_v2=ibrs option to support Kernel IBRS") Reported-by: José Oliveira <joseloliveira11@gmail.com> Reported-by: Rodrigo Branco <rodrigo@kernelhacking.com> Signed-off-by: KP Singh <kpsingh@kernel.org> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20230220120127.1975241-1-kpsingh@kernel.org Link: https://lore.kernel.org/r/20230221184908.2349578-1-kpsingh@kernel.org
2023-02-27Merge tag 'fuse-update-6.3' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse Pull fuse updates from Miklos Szeredi: - Fix regression in fileattr permission checking - Fix possible hang during PID namespace destruction - Add generic support for request extensions - Add supplementary group list extension - Add limited support for supplying supplementary groups in create requests - Documentation fixes * tag 'fuse-update-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse: fuse: add inode/permission checks to fileattr_get/fileattr_set fuse: fix all W=1 kernel-doc warnings fuse: in fuse_flush only wait if someone wants the return code fuse: optional supplementary group in create requests fuse: add request extension
2023-02-27selftests/bpf: Use __NR_prlimit64 instead of __NR_getrlimit in user_ringbuf testTiezhu Yang
After commit 80d7da1cac62 ("asm-generic: Drop getrlimit and setrlimit syscalls from default list"), new architectures won't need to include getrlimit and setrlimit, they are superseded with prlimit64. In order to maintain compatibility for the new architectures, such as LoongArch which does not define __NR_getrlimit, it is better to use __NR_prlimit64 instead of __NR_getrlimit in user_ringbuf test to fix the following build error: TEST-OBJ [test_progs] user_ringbuf.test.o tools/testing/selftests/bpf/prog_tests/user_ringbuf.c: In function 'kick_kernel_cb': tools/testing/selftests/bpf/prog_tests/user_ringbuf.c:593:17: error: '__NR_getrlimit' undeclared (first use in this function) 593 | syscall(__NR_getrlimit); | ^~~~~~~~~~~~~~ tools/testing/selftests/bpf/prog_tests/user_ringbuf.c:593:17: note: each undeclared identifier is reported only once for each function it appears in make: *** [Makefile:573: tools/testing/selftests/bpf/user_ringbuf.test.o] Error 1 make: Leaving directory 'tools/testing/selftests/bpf' Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/1677235015-21717-4-git-send-email-yangtiezhu@loongson.cn
2023-02-27libbpf: Use struct user_pt_regs to define __PT_REGS_CAST() for LoongArchTiezhu Yang
LoongArch provides struct user_pt_regs instead of struct pt_regs to userspace, use struct user_pt_regs to define __PT_REGS_CAST() to fix the following build error: CLNG-BPF [test_maps] loop1.bpf.o progs/loop1.c:22:9: error: incomplete definition of type 'struct pt_regs' m = PT_REGS_RC(ctx); ^~~~~~~~~~~~~~~ tools/testing/selftests/bpf/tools/include/bpf/bpf_tracing.h:493:41: note: expanded from macro 'PT_REGS_RC' #define PT_REGS_RC(x) (__PT_REGS_CAST(x)->__PT_RC_REG) ~~~~~~~~~~~~~~~~~^ tools/testing/selftests/bpf/tools/include/bpf/bpf_helper_defs.h:20:8: note: forward declaration of 'struct pt_regs' struct pt_regs; ^ 1 error generated. make: *** [Makefile:572: tools/testing/selftests/bpf/loop1.bpf.o] Error 1 make: Leaving directory 'tools/testing/selftests/bpf' Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/1677235015-21717-2-git-send-email-yangtiezhu@loongson.cn
2023-02-27Merge tag 'mmc-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmcLinus Torvalds
Pull MMC updates from Ulf Hansson: "MMC core: - Extend slot-gpio to be used for host specific card detect interrupts - Align to common busy polling behaviour for mmc ioctls - Suggest the BFQ I/O scheduler to be built along with MMC/SD support - Add devm_mmc_alloc_host() to enable further cleanups in host drivers MMC host: - atmel-mci: Fix race condition when stopping/starting a command - dw_mmc-starfive: Add new driver to support the StarFive JH7110 variant - dw_mmc-rockchip: Add support for the RK3588 variant - jz4740: Add support for the vqmmc power supply - meson-gx: Convert the DT bindings to the dt-schema - meson-gx: Enable the platform interrupt to be used for card detect - moxart: Set the supported maximum request/block/segment sizes - renesas,sdhi: Add support for the RZ/V2M variants - sdhci: Rework code to drop SDHCI_QUIRK_MISSING_CAPS - sdhci-esdhc-imx: Improve tuning logic support - sdhci-msm: Add support for the IPQ5332 and the IPQ9574 variants - sdhci-of-dwcmshc: Add the missing device table IDs for acpi - sdhci-of-dwcmshc: Improve clock support for the Rockchip variant - sdhci-of-dwcmshc: Enable support of V4 host for the BlueField-3 variant - sdhci-pxav2: Add support for the PXA168 V1 variant - sdhci-pxav2: Add support for SDIO IRQs for the PXA168 V1 variant - uniphier-sd: Add support for SD UHS-I speed modes" * tag 'mmc-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (59 commits) mmc: meson-gx: Use devm_platform_get_and_ioremap_resource() mmc: meson-gx: constify member data of struct meson_host mmc: meson-gx: use devm_clk_get_enabled() for core clock mmc: core: fix return value check in devm_mmc_alloc_host() dt-bindings: mmc: meson-gx: fix interrupt binding mmc: meson-gx: support platform interrupt as card detect interrupt dt-bindings: mmc: meson-gx: support specifying cd interrupt mmc: core: support setting card detect interrupt from drivers mmc: starfive: Add sdio/emmc driver support dt-bindings: mmc: Add StarFive MMC module dt-bindings: mmc: sdhci-msm: Allow 1 icc path dt-bindings: mmc: rockchip-dw-mshc: Add RK3588 compatible string mmc: core: Align to common busy polling behaviour for mmc ioctls dt-bindings: mmc: Add resets property to cadence SDHCI binding mmc: meson-gx: remove meson_mmc_get_cd mmc: moxart: set maximum request/block/segment sizes mmc: sdhci-brcmstb: Use devm_platform_get_and_ioremap_resource() mmc: sdhci-of-dwcmshc: add the missing device table IDs for acpi mmc: sdhci-of-dwcmshc: Update DLL and pre-change delay for rockchip platform mmc: jz4740: Add support for vqmmc power supply ...
2023-02-27Merge tag 'dma-mapping-6.3-2022-02-27' of ↵Linus Torvalds
git://git.infradead.org/users/hch/dma-mapping Pull dma-mapping updates from Christoph Hellwig: - remove a not very useful and now unused swiotlb API (Christoph Hellwig) - fix a section mismatch (Randy Dunlap) * tag 'dma-mapping-6.3-2022-02-27' of git://git.infradead.org/users/hch/dma-mapping: swiotlb: mark swiotlb_memblock_alloc() as __init swiotlb: remove swiotlb_max_segment
2023-02-27Merge tag 'memblock-v6.3-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock Pull memblock updates from Mike Rapoport: "Small optimizations: - fix off-by-one in the check whether memblock_add_range() should reallocate memory to accommodate newly inserted range - check only for relevant regions in memblock_merge_regions() rather than swipe over the entire array" * tag 'memblock-v6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock: memblock: Avoid useless checks in memblock_merge_regions(). memblock: Make a boundary tighter in memblock_add_range().
2023-02-27Merge tag 'm68knommu-for-v6.3' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu Pull m68knommu updates from Greg Ungerer: - spelling fixes * tag 'm68knommu-for-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: m68k: nommu: Fix misspellings of "DragonEngine" m68k: nommu: Fix misspellings of "uCdimm"
2023-02-27Merge tag 'csky-for-linus-6.3' of https://github.com/c-sky/csky-linuxLinus Torvalds
Pull csky update from Guo Ren: - Optimize delay accuracy * tag 'csky-for-linus-6.3' of https://github.com/c-sky/csky-linux: csky: delay: Add function alignment
2023-02-27xfs: restore old agirotor behaviorDarrick J. Wong
Prior to the removal of xfs_ialloc_next_ag, we would increment the agi rotor and return the *old* value. atomic_inc_return returns the new value, which causes mkfs to allocate the root directory in AG 1. Put back the old behavior (at least for mkfs) by subtracting 1 here. Fixes: 20a5eab49d35 ("xfs: convert xfs_ialloc_next_ag() to an atomic") Signed-off-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Dave Chinner <dchinner@redhat.com>
2023-02-27wifi: brcmfmac: pcie: Add BCM4378B3 supportHector Martin
BCM4378B3 is a new silicon revision of BCM4378 present on the Apple M2 13" MacBook Pro "kyushu". Its PCI revision number is 5. Signed-off-by: Hector Martin <marcan@marcan.st> Reviewed-by: Julian Calaby <julian.calaby@gmail.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20230214092838.17869-1-marcan@marcan.st
2023-02-27wifi: brcmfmac: common: Add support for external calibration blobsHector Martin
The calibration blob for a chip is normally stored in SROM and loaded internally by the firmware. However, Apple ARM64 platforms instead store it as part of platform configuration data, and provide it via the Apple Device Tree. We forward this into the Linux DT in the bootloader. Add support for taking this blob from the DT and loading it into the dongle. The loading mechanism is the same as used for the CLM and TxCap blobs. Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Hector Martin <marcan@marcan.st> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20230214092423.15175-10-marcan@marcan.st
2023-02-27wifi: brcmfmac: pcie: Load and provide TxCap blobsHector Martin
These blobs are named .txcap_blob, and exist alongside the existing .clm_blob files. Use the existing firmware machinery to provide them to the core. Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Hector Martin <marcan@marcan.st> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20230214092423.15175-9-marcan@marcan.st
2023-02-27wifi: brcmfmac: common: Add support for downloading TxCap blobsHector Martin
The TxCap blobs are additional data blobs used on Apple devices, and are uploaded analogously to CLM blobs. Add core support for doing this. Acked-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Hector Martin <marcan@marcan.st> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20230214092423.15175-8-marcan@marcan.st
2023-02-27wifi: brcmfmac: pcie: Add IDs/properties for BCM4387Hector Martin
This chip is present on Apple M1 Pro/Max (t600x) platforms: * maldives (apple,j314s): MacBook Pro (14-inch, M1 Pro, 2021) * maldives (apple,j314c): MacBook Pro (14-inch, M1 Max, 2021) * madagascar (apple,j316s): MacBook Pro (16-inch, M1 Pro, 2021) * madagascar (apple,j316c): MacBook Pro (16-inch, M1 Max, 2021) Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Hector Martin <marcan@marcan.st> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20230214092423.15175-7-marcan@marcan.st
2023-02-27wifi: brcmfmac: cfg80211: Pass the PMK in binary instead of hexHector Martin
Apparently the hex passphrase mechanism does not work on newer chips/firmware (e.g. BCM4387). It seems there was a simple way of passing it in binary all along, so use that and avoid the hexification. OpenBSD has been doing it like this from the beginning, so this should work on all chips. Also clear the structure before setting the PMK. This was leaking uninitialized stack contents to the device. Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Hector Martin <marcan@marcan.st> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20230214092423.15175-6-marcan@marcan.st
2023-02-27wifi: brcmfmac: cfg80211: Add support for PMKID_V3 operationsHector Martin
Add support for the new PMKID_V3 API, which allows performing PMKID mutations individually, instead of requiring the driver to keep track of the full list. This new API is required by at least BCM4387. Note that PMKID_V2 is not implemented yet. Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Hector Martin <marcan@marcan.st> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20230214092423.15175-5-marcan@marcan.st
2023-02-27wifi: brcmfmac: feature: Add support for setting feats based on WLC versionHector Martin
The "wlc_ver" iovar returns information on the WLC and EPI versions. This can be used to determine whether the PMKID_V2 and _V3 features are supported. Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Hector Martin <marcan@marcan.st> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20230214092423.15175-4-marcan@marcan.st
2023-02-27wifi: brcmfmac: cfg80211: Add support for scan params v2Hector Martin
This new API version is required for at least the BCM4387 firmware. Add support for it, with a fallback to the v1 API. Acked-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Hector Martin <marcan@marcan.st> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20230214092423.15175-3-marcan@marcan.st
2023-02-27wifi: brcmfmac: chip: Handle 1024-unit sizes for TCM blocksHector Martin
BCM4387 has trailing odd-sized blocks as part of TCM which have their size described as a multiple of 1024 instead of 8192. Handle this so we can compute the TCM size properly. Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Hector Martin <marcan@marcan.st> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20230214092423.15175-2-marcan@marcan.st
2023-02-27wifi: brcmfmac: chip: Only disable D11 cores; handle an arbitrary numberHector Martin
At least on BCM4387, the D11 cores are held in reset on cold startup and firmware expects to release reset itself. Just assert reset here and let firmware deassert it. Premature deassertion results in the firmware failing to initialize properly some of the time, with strange AXI bus errors. Also, BCM4387 has 3 cores, up from 2. The logic for handling that is in brcmf_chip_ai_resetcore(), but since we aren't using that any more, just handle it here. Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Hector Martin <marcan@marcan.st> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20230214092423.15175-1-marcan@marcan.st
2023-02-27s390/ap,zcrypt,vfio: introduce and use ap_queue_status_reg unionHarald Freudenberger
Introduce a new ap queue status register wrapper union to access register wide values. So the inline assembler only sees register wide values but the surrounding code may use a more structured view of the same value and a reader of the code (and the compiler) gets a clear understanding about the mapping between fields and register values. All the changes to access the ap queue status are local to the inline functions within ap.h. However, the struct ap_qirq_ctrl has been replaces by a union for same reason and this needed slight adaptions in the calling code. Suggested-by: Halil Pasic <pasic@linux.ibm.com> Suggested-by: Andreas Arnez <arnez@linux.ibm.com> Signed-off-by: Harald Freudenberger <freude@linux.ibm.com> Acked-by: Heiko Carstens <hca@linux.ibm.com> Reviewed-by: Holger Dengler <dengler@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
2023-02-27s390/nmi: fix virtual-physical address confusionNico Boehr
When a machine check is received while in SIE, it is reinjected into the guest in some cases. The respective code needs to access the sie_block, which is taken from the backed up R14. Since reinjection only occurs while we are in SIE (i.e. between the labels sie_entry and sie_leave in entry.S and thus if CIF_MCCK_GUEST is set), the backed up R14 will always contain a physical address in s390_backup_mcck_info. This currently works, because virtual and physical addresses are the same. Add phys_to_virt() to resolve the virtual-physical confusion. Signed-off-by: Nico Boehr <nrb@linux.ibm.com> Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com> Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com> Link: https://lore.kernel.org/r/20230216121208.4390-2-nrb@linux.ibm.com Signed-off-by: Janosch Frank <frankja@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
generated by cgit (git 2.34.1) at 2025-09-23 00:37:17 +0000