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2022-04-14io_uring: abort file assignment prior to assigning credsio_uring-5.18-2022-04-14Jens Axboe
We need to either restore creds properly if we fail on the file assignment, or just do the file assignment first instead. Let's do the latter as it's simpler, should make no difference here for file assignment. Link: https://lore.kernel.org/lkml/000000000000a7edb305dca75a50@google.com/ Reported-by: syzbot+60c52ca98513a8760a91@syzkaller.appspotmail.com Fixes: 6bf9c47a3989 ("io_uring: defer file assignment") Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-04-13io_uring: fix poll error reportingPavel Begunkov
We should not return an error code in req->result in io_poll_check_events(), because it may get mangled and returned as success. Just return the error code directly, the callers will fail the request or proceed accordingly. Fixes: 6bf9c47a3989 ("io_uring: defer file assignment") Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/5f03514ee33324dc811fb93df84aee0f695fb044.1649862516.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-04-13io_uring: fix poll file assign deadlockPavel Begunkov
We pass "unlocked" into io_assign_file() in io_poll_check_events(), which can lead to double locking. Fixes: 6bf9c47a3989 ("io_uring: defer file assignment") Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/2476d4ae46554324b599ee4055447b105f20a75a.1649862516.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-04-13io_uring: use right issue_flags for splice/teePavel Begunkov
Pass right issue_flags into into io_file_get_fixed() instead of IO_URING_F_UNLOCKED. It's probably not a problem at the moment but let's do it safer. Fixes: 6bf9c47a3989 ("io_uring: defer file assignment") Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/7d242daa9df5d776907686977cd29fbceb4a2d8d.1649862516.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-04-12io_uring: verify pad field is 0 in io_get_ext_argDylan Yudaken
Ensure that only 0 is passed for pad here. Fixes: c73ebb685fb6 ("io_uring: add timeout support for io_uring_enter()") Signed-off-by: Dylan Yudaken <dylany@fb.com> Link: https://lore.kernel.org/r/20220412163042.2788062-5-dylany@fb.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-04-12io_uring: verify resv is 0 in ringfd register/unregisterDylan Yudaken
Only allow resv field to be 0 in struct io_uring_rsrc_update user arguments. Fixes: e7a6c00dc77a ("io_uring: add support for registering ring file descriptors") Signed-off-by: Dylan Yudaken <dylany@fb.com> Link: https://lore.kernel.org/r/20220412163042.2788062-4-dylany@fb.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-04-12io_uring: verify that resv2 is 0 in io_uring_rsrc_update2Dylan Yudaken
Verify that the user does not pass in anything but 0 for this field. Fixes: 992da01aa932 ("io_uring: change registration/upd/rsrc tagging ABI") Signed-off-by: Dylan Yudaken <dylany@fb.com> Link: https://lore.kernel.org/r/20220412163042.2788062-3-dylany@fb.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-04-12io_uring: move io_uring_rsrc_update2 validationDylan Yudaken
Move validation to be more consistently straight after copy_from_user. This is already done in io_register_rsrc_update and so this removes that redundant check. Signed-off-by: Dylan Yudaken <dylany@fb.com> Link: https://lore.kernel.org/r/20220412163042.2788062-2-dylany@fb.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-04-12io_uring: fix assign file locking issuePavel Begunkov
io-wq work cancellation path can't take uring_lock as how it's done on file assignment, we have to handle IO_WQ_WORK_CANCEL first, this fixes encountered hangs. Fixes: 6bf9c47a3989 ("io_uring: defer file assignment") Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/0d9b9f37841645518503f6a207e509d14a286aba.1649773463.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-04-11io_uring: stop using io_wq_work as an fd placeholderJens Axboe
There are two reasons why this isn't the best idea: - It's an odd area to grab a bit of storage space, hence it's an odd area to grab storage from. - It puts the 3rd io_kiocb cacheline into the hot path, where normal hot path just needs the first two. Use 'cflags' for joint fd/cflags storage. We only need fd until we successfully issue, and we only need cflags once a request is done and is completed. Fixes: 6bf9c47a3989 ("io_uring: defer file assignment") Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-04-11io_uring: move apoll->events cacheJens Axboe
In preparation for fixing a regression with pulling in an extra cacheline for IO that doesn't usually touch the last cacheline of the io_kiocb, move the cached location of apoll->events to space shared with some other completion data. Like cflags, this isn't used until after the request has been completed, so we can piggy back on top of comp_list. Fixes: 81459350d581 ("io_uring: cache req->apoll->events in req->cflags") Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-04-11io_uring: io_kiocb_update_pos() should not touch file for non -1 offsetJens Axboe
-1 tells use to use the current position, but we check if the file is a stream regardless of that. Fix up io_kiocb_update_pos() to only dip into file if we need to. This is both more efficient and also drops 12 bytes of text on aarch64 and 64 bytes on x86-64. Fixes: b4aec4001595 ("io_uring: do not recalculate ppos unnecessarily") Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-04-10io_uring: flag the fact that linked file assignment is saneJens Axboe
Give applications a way to tell if the kernel supports sane linked files, as in files being assigned at the right time to be able to reliably do <open file direct into slot X><read file from slot X> while using IOSQE_IO_LINK to order them. Not really a bug fix, but flag it as such so that it gets pulled in with backports of the deferred file assignment. Fixes: 6bf9c47a3989 ("io_uring: defer file assignment") Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-04-10Linux 5.18-rc2v5.18-rc2Linus Torvalds
2022-04-10Merge tag 'tty-5.18-rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull serial driver fix from Greg KH: "This is a single serial driver fix for a build issue that showed up due to changes that came in through the tty tree in 5.18-rc1 that were missed previously. It resolves a build error with the mpc52xx_uart driver. It has been in linux-next this week with no reported problems" * tag 'tty-5.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: tty: serial: mpc52xx_uart: make rx/tx hooks return unsigned, part II.
2022-04-10Merge tag 'staging-5.18-rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging Pull staging driver fix from Greg KH: "Here is a single staging driver fix for 5.18-rc2 that resolves an endian issue for the r8188eu driver. It has been in linux-next all this week with no reported problems" * tag 'staging-5.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: staging: r8188eu: Fix PPPoE tag insertion on little endian systems
2022-04-10Merge tag 'driver-core-5.18-rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core updates from Greg KH: "Here are two small driver core changes for 5.18-rc2. They are the final bits in the removal of the default_attrs field in struct kobj_type. I had to wait until after 5.18-rc1 for all of the changes to do this came in through different development trees, and then one new user snuck in. So this series has two changes: - removal of the default_attrs field in the powerpc/pseries/vas code. The change has been acked by the PPC maintainers to come through this tree - removal of default_attrs from struct kobj_type now that all in-kernel users are removed. This cleans up the kobject code a little bit and removes some duplicated functionality that confused people (now there is only one way to do default groups) Both of these have been in linux-next for all of this week with no reported problems" * tag 'driver-core-5.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: kobject: kobj_type: remove default_attrs powerpc/pseries/vas: use default_groups in kobj_type
2022-04-10Merge tag 'char-misc-5.18-rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc driver fix from Greg KH: "A single driver fix. It resolves the build warning issue on 32bit systems in the habannalabs driver that came in during the 5.18-rc1 merge cycle. It has been in linux-next for all this week with no reported problems" * tag 'char-misc-5.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: habanalabs: Fix test build failures
2022-04-10Merge tag 'powerpc-5.18-2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fixes from Michael Ellerman: - Fix KVM "lost kick" race, where an attempt to pull a vcpu out of the guest could be lost (or delayed until the next guest exit). - Disable SCV (system call vectored) when PR KVM guests could be run. - Fix KVM PR guests using SCV, by disallowing AIL != 0 for KVM PR guests. - Add a new KVM CAP to indicate if AIL == 3 is supported. - Fix a regression when hotplugging a CPU to a memoryless/cpuless node. - Make virt_addr_valid() stricter for 64-bit Book3E & 32-bit, which fixes crashes seen due to hardened usercopy. - Revert a change to max_mapnr which broke HIGHMEM. Thanks to Christophe Leroy, Fabiano Rosas, Kefeng Wang, Nicholas Piggin, and Srikar Dronamraju. * tag 'powerpc-5.18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: Revert "powerpc: Set max_mapnr correctly" powerpc: Fix virt_addr_valid() for 64-bit Book3E & 32-bit KVM: PPC: Move kvmhv_on_pseries() into kvm_ppc.h powerpc/numa: Handle partially initialized numa nodes powerpc/64: Fix build failure with allyesconfig in book3s_64_entry.S KVM: PPC: Use KVM_CAP_PPC_AIL_MODE_3 KVM: PPC: Book3S PR: Disallow AIL != 0 KVM: PPC: Book3S PR: Disable SCV when AIL could be disabled KVM: PPC: Book3S HV P9: Fix "lost kick" race
2022-04-10Merge tag 'irq-urgent-2022-04-10' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull irq fixes from Thomas Gleixner: "A set of interrupt chip driver fixes: - A fix for a long standing bug in the ARM GICv3 redistributor polling which uses the wrong bit number to test. - Prevent translation of bogus ACPI table entries which map device interrupts into the IPI space on ARM GICs. - Don't write into the pending register of ARM GICV4 before the scan in hardware has completed. - A set of build and correctness fixes for the Qualcomm MPM driver" * tag 'irq-urgent-2022-04-10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: irqchip/gic, gic-v3: Prevent GSI to SGI translations irqchip/gic-v3: Fix GICR_CTLR.RWP polling irqchip/gic-v4: Wait for GICR_VPENDBASER.Dirty to clear before descheduling irqchip/irq-qcom-mpm: fix return value check in qcom_mpm_init() irq/qcom-mpm: Fix build error without MAILBOX
2022-04-10Merge tag 'x86_urgent_for_v5.18_rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Borislav Petkov: - Fix the MSI message data struct definition - Use local labels in the exception table macros to avoid symbol conflicts with clang LTO builds - A couple of fixes to objtool checking of the relatively newly added SLS and IBT code - Rename a local var in the WARN* macro machinery to prevent shadowing * tag 'x86_urgent_for_v5.18_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/msi: Fix msi message data shadow struct x86/extable: Prefer local labels in .set directives x86,bpf: Avoid IBT objtool warning objtool: Fix SLS validation for kcov tail-call replacement objtool: Fix IBT tail-call detection x86/bug: Prevent shadowing in __WARN_FLAGS x86/mm/tlb: Revert retpoline avoidance approach
2022-04-10Merge tag 'perf_urgent_for_v5.18_rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf fixes from Borislav Petkov: - A couple of fixes to cgroup-related handling of perf events - A couple of fixes to event encoding on Sapphire Rapids - Pass event caps of inherited events so that perf doesn't fail wrongly at fork() - Add support for a new Raptor Lake CPU * tag 'perf_urgent_for_v5.18_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/core: Always set cpuctx cgrp when enable cgroup event perf/core: Fix perf_cgroup_switch() perf/core: Use perf_cgroup_info->active to check if cgroup is active perf/core: Don't pass task around when ctx sched in perf/x86/intel: Update the FRONTEND MSR mask on Sapphire Rapids perf/x86/intel: Don't extend the pseudo-encoding to GP counters perf/core: Inherit event_caps perf/x86/uncore: Add Raptor Lake uncore support perf/x86/msr: Add Raptor Lake CPU support perf/x86/cstate: Add Raptor Lake support perf/x86: Add Intel Raptor Lake support
2022-04-10Merge tag 'locking_urgent_for_v5.18_rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull locking fixes from Borislav Petkov: - Allow the compiler to optimize away unused percpu accesses and change the local_lock_* macros back to inline functions - A couple of fixes to static call insn patching * tag 'locking_urgent_for_v5.18_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: Revert "mm/page_alloc: mark pagesets as __maybe_unused" Revert "locking/local_lock: Make the empty local_lock_*() function a macro." x86/percpu: Remove volatile from arch_raw_cpu_ptr(). static_call: Remove __DEFINE_STATIC_CALL macro static_call: Properly initialise DEFINE_STATIC_CALL_RET0() static_call: Don't make __static_call_return0 static x86,static_call: Fix __static_call_return0 for i386
2022-04-10Merge tag 'sched_urgent_for_v5.18_rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull scheduler fixes from Borislav Petkov: - Use the correct static key checking primitive on the IRQ exit path - Two fixes for the new forceidle balancer * tag 'sched_urgent_for_v5.18_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: entry: Fix compile error in dynamic_irqentry_exit_cond_resched() sched: Teach the forced-newidle balancer about CPU affinity limitation. sched/core: Fix forceidle balancing
2022-04-09Merge tag 'perf-tools-fixes-for-v5.18-2022-04-09' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux Pull perf tools fixes from Arnaldo Carvalho de Melo: - Fix the clang command line option probing and remove some options to filter out, fixing the build with the latest clang versions - Fix 'perf bench' futex and epoll benchmarks to deal with machines with more than 1K CPUs - Fix 'perf test tsc' error message when not supported - Remap perf ring buffer if there is no space for event, fixing perf usage in 32-bit ChromeOS - Drop objdump stderr to avoid getting stuck waiting for stdout output in 'perf annotate' - Fix up garbled output by now showing unwind error messages when augmenting frame in best effort mode - Fix perf's libperf_print callback, use the va_args eprintf() variant - Sync vhost and arm64 cputype headers with the kernel sources - Fix 'perf report --mem-mode' with ARM SPE - Add missing external commands ('iiostat', etc) to 'perf --list-cmds' * tag 'perf-tools-fixes-for-v5.18-2022-04-09' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: perf annotate: Drop objdump stderr to avoid getting stuck waiting for stdout output perf tools: Add external commands to list-cmds perf docs: Add perf-iostat link to manpages perf session: Remap buf if there is no space for event perf bench: Fix epoll bench to correct usage of affinity for machines with #CPUs > 1K perf bench: Fix futex bench to correct usage of affinity for machines with #CPUs > 1K perf tools: Fix perf's libperf_print callback perf: arm-spe: Fix perf report --mem-mode perf unwind: Don't show unwind error messages when augmenting frame pointer stack tools headers arm64: Sync arm64's cputype.h with the kernel sources perf test tsc: Fix error message when not supported perf build: Don't use -ffat-lto-objects in the python feature test when building with clang-13 perf python: Fix probing for some clang command line options tools build: Filter out options and warnings not supported by clang tools build: Use $(shell ) instead of `` to get embedded libperl's ccopts tools include UAPI: Sync linux/vhost.h with the kernel sources
2022-04-09Merge tag 'cxl+nvdimm-for-5.18-rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm Pull cxl and nvdimm fixes from Dan Williams: - Fix a compile error in the nvdimm unit tests - Fix a shadowed variable warning in the CXL PCI driver * tag 'cxl+nvdimm-for-5.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: cxl/pci: Drop shadowed variable tools/testing/nvdimm: Fix security_init() symbol collision
2022-04-09Merge tag 'gpio-fixes-for-v5.18-rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux Pull gpio fix from Bartosz Golaszewski: - fix a race condition with consumers accessing the fields of GPIO IRQ chips before they're fully initialized * tag 'gpio-fixes-for-v5.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: gpio: Restrict usage of GPIO chip irq members before initialization
2022-04-09Merge tag 'irqchip-fixes-5.18-1' of ↵Thomas Gleixner
git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/urgent Pull irqchip fixes from Marc Zyngier: - Fix GICv3 polling for RWP in redistributors - Reject ACPI attempts to use SGIs on GIC/GICv3 - Fix unpredictible behaviour when making a VPE non-resident with GICv4 - A couple of fixes for the newly merged qcom-mpm driver Link: https://lore.kernel.org/lkml/20220409094229.267649-1-maz@kernel.org
2022-04-09perf annotate: Drop objdump stderr to avoid getting stuck waiting for stdout ↵Ian Rogers
output If objdump writes to stderr it can block waiting for it to be read. As perf doesn't read stderr then progress stops with perf waiting for stdout output. Signed-off-by: Ian Rogers <irogers@google.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexandre Truong <alexandre.truong@arm.com> Cc: Dave Marchevsky <davemarchevsky@fb.com> Cc: Denis Nikitin <denik@chromium.org> Cc: German Gomez <german.gomez@arm.com> Cc: James Clark <james.clark@arm.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: John Garry <john.garry@huawei.com> Cc: Leo Yan <leo.yan@linaro.org> Cc: Lexi Shao <shaolexi@huawei.com> Cc: Li Huafei <lihuafei1@huawei.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Martin Liška <mliska@suse.cz> Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ravi Bangoria <ravi.bangoria@amd.com> Cc: Remi Bernon <rbernon@codeweavers.com> Cc: Riccardo Mancini <rickyman7@gmail.com> Cc: Song Liu <songliubraving@fb.com> Cc: Stephane Eranian <eranian@google.com> Cc: Thomas Richter <tmricht@linux.ibm.com> Cc: Will Deacon <will@kernel.org> Cc: William Cohen <wcohen@redhat.com> Cc: linux-arm-kernel@lists.infradead.org Link: http://lore.kernel.org/lkml/20220407230503.1265036-2-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-04-09perf tools: Add external commands to list-cmdsMichael Petlan
The `perf --list-cmds` output prints only internal commands, although there is no reason for that from users' perspective. Adding the external commands to commands array with NULL function pointer allows printing all perf commands while not changing the logic of command handler selection. Signed-off-by: Michael Petlan <mpetlan@redhat.com> Acked-by: Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@kernel.org> Link: https://lore.kernel.org/r/20220404221541.30312-2-mpetlan@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-04-09perf docs: Add perf-iostat link to manpagesMichael Petlan
Signed-off-by: Michael Petlan <mpetlan@redhat.com> Acked-by: Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@kernel.org> Link: https://lore.kernel.org/r/20220404221541.30312-1-mpetlan@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-04-09perf session: Remap buf if there is no space for eventDenis Nikitin
If a perf event doesn't fit into remaining buffer space return NULL to remap buf and fetch the event again. Keep the logic to error out on inadequate input from fuzzing. This fixes perf failing on ChromeOS (with 32b userspace): $ perf report -v -i perf.data ... prefetch_event: head=0x1fffff8 event->header_size=0x30, mmap_size=0x2000000: fuzzed or compressed perf.data? Error: failed to process sample Fixes: 57fc032ad643ffd0 ("perf session: Avoid infinite loop when seeing invalid header.size") Reviewed-by: James Clark <james.clark@arm.com> Signed-off-by: Denis Nikitin <denik@chromium.org> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexey Budankov <alexey.budankov@linux.intel.com> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lore.kernel.org/r/20220330031130.2152327-1-denik@chromium.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-04-09Merge tag 'scsi-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: - add support for new devices (ufs, mvsas) - a major set of fixes in lpfc - get rid of a driver specific ioctl in pcmraid - a major rework of aha152x to get rid of the scsi_pointer. - minor fixes and obvious changes including several spelling updates. * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (36 commits) scsi: megaraid_sas: Target with invalid LUN ID is deleted during scan scsi: ufs: ufshpb: Fix a NULL check on list iterator scsi: sd: Clean up gendisk if device_add_disk() failed scsi: message: fusion: Remove redundant variable dmp scsi: mvsas: Add PCI ID of RocketRaid 2640 scsi: sd: sd_read_cpr() requires VPD pages scsi: mpt3sas: Fail reset operation if config request timed out scsi: sym53c500_cs: Stop using struct scsi_pointer scsi: ufs: ufs-pci: Add support for Intel MTL scsi: mpt3sas: Fix mpt3sas_check_same_4gb_region() kdoc comment scsi: scsi_debug: Fix sdebug_blk_mq_poll() in_use_bm bitmap use scsi: bnx2i: Fix spelling mistake "mis-match" -> "mismatch" scsi: bnx2fc: Fix spelling mistake "mis-match" -> "mismatch" scsi: zorro7xx: Fix a resource leak in zorro7xx_remove_one() scsi: aic7xxx: Use standard PCI subsystem, subdevice defines scsi: ufs: qcom: Drop custom Android boot parameters scsi: core: sysfs: Remove comments that conflict with the actual logic scsi: hisi_sas: Remove stray fallthrough annotation scsi: virtio-scsi: Eliminate anonymous module_init & module_exit scsi: isci: Fix spelling mistake "doesnt" -> "doesn't" ...
2022-04-09perf bench: Fix epoll bench to correct usage of affinity for machines with ↵Athira Rajeev
#CPUs > 1K The 'perf bench epoll' testcase fails on systems with more than 1K CPUs. Testcase: perf bench epoll all Result snippet: <<>> Run summary [PID 106497]: 1399 threads monitoring on 64 file-descriptors for 8 secs. perf: pthread_create: No such file or directory <<>> In epoll benchmarks (ctl, wait) pthread_create is invoked in do_threads from respective bench_epoll_* function. Though the logs shows direct failure from pthread_create, the actual failure is from "sched_setaffinity" returning EINVAL (invalid argument). This happens because the default mask size in glibc is 1024. To overcome this 1024 CPUs mask size limitation of cpu_set_t, change the mask size using the CPU_*_S macros. Patch addresses this by fixing all the epoll benchmarks to use CPU_ALLOC to allocate cpumask, CPU_ALLOC_SIZE for size, and CPU_SET_S to set the mask. Reported-by: Disha Goel <disgoel@linux.vnet.ibm.com> Signed-off-by: Athira Jajeev <atrajeev@linux.vnet.ibm.com> Tested-by: Disha Goel <disgoel@linux.vnet.ibm.com> Acked-by: Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Kajol Jain <kjain@linux.ibm.com> Cc: Madhavan Srinivasan <maddy@linux.vnet.ibm.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Nageswara R Sastry <rnsastry@linux.ibm.com> Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com> Cc: linuxppc-dev@lists.ozlabs.org Link: https://lore.kernel.org/r/20220406175113.87881-3-atrajeev@linux.vnet.ibm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-04-09perf bench: Fix futex bench to correct usage of affinity for machines with ↵Athira Rajeev
#CPUs > 1K The 'perf bench futex' testcase fails on systems with more than 1K CPUs. Testcase: perf bench futex all Failure snippet: <<>>Running futex/hash benchmark... perf: pthread_create: No such file or directory <<>> All the futex benchmarks (ie hash, lock-api, requeue, wake, wake-parallel), pthread_create is invoked in respective bench_futex_* function. Though the logs shows direct failure from pthread_create, strace logs showed that actual failure is from "sched_setaffinity" returning EINVAL (invalid argument). This happens because the default mask size in glibc is 1024. To overcome this 1024 CPUs mask size limitation of cpu_set_t, change the mask size using the CPU_*_S macros. Patch addresses this by fixing all the futex benchmarks to use CPU_ALLOC to allocate cpumask, CPU_ALLOC_SIZE for size, and CPU_SET_S to set the mask. Reported-by: Disha Goel <disgoel@linux.vnet.ibm.com> Reviewed-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com> Signed-off-by: Athira Jajeev <atrajeev@linux.vnet.ibm.com> Tested-by: Disha Goel <disgoel@linux.vnet.ibm.com> Acked-by: Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Kajol Jain <kjain@linux.ibm.com> Cc: Madhavan Srinivasan <maddy@linux.vnet.ibm.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Nageswara R Sastry <rnsastry@linux.ibm.com> Cc: linuxppc-dev@lists.ozlabs.org Link: https://lore.kernel.org/r/20220406175113.87881-2-atrajeev@linux.vnet.ibm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-04-09perf tools: Fix perf's libperf_print callbackAdrian Hunter
eprintf() does not expect va_list as the type of the 4th parameter. Use veprintf() because it does. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Fixes: 428dab813a56ce94 ("libperf: Merge libperf_set_print() into libperf_init()") Cc: Jiri Olsa <jolsa@kernel.org> Link: https://lore.kernel.org/r/20220408132625.2451452-1-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-04-09perf: arm-spe: Fix perf report --mem-modeJames Clark
Since commit bb30acae4c4dacfa ("perf report: Bail out --mem-mode if mem info is not available") "perf mem report" and "perf report --mem-mode" don't allow opening the file unless one of the events has PERF_SAMPLE_DATA_SRC set. SPE doesn't have this set even though synthetic memory data is generated after it is decoded. Fix this issue by setting DATA_SRC on SPE events. This has no effect on the data collected because the SPE driver doesn't do anything with that flag and doesn't generate samples. Fixes: bb30acae4c4dacfa ("perf report: Bail out --mem-mode if mem info is not available") Signed-off-by: James Clark <james.clark@arm.com> Tested-by: Leo Yan <leo.yan@linaro.org> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: German Gomez <german.gomez@arm.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: John Garry <john.garry@huawei.com> Cc: Leo Yan <leo.yan@linaro.org> Cc: linux-arm-kernel@lists.infradead.org Cc: Mark Rutland <mark.rutland@arm.com> Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Ravi Bangoria <ravi.bangoria@linux.ibm.com> Cc: Will Deacon <will@kernel.org> Link: https://lore.kernel.org/r/20220408144056.1955535-1-james.clark@arm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-04-09perf unwind: Don't show unwind error messages when augmenting frame pointer ↵James Clark
stack Commit Fixes: b9f6fbb3b2c29736 ("perf arm64: Inject missing frames when using 'perf record --call-graph=fp'") intended to add a 'best effort' DWARF unwind that improved the frame pointer stack in most scenarios. It's expected that the unwind will fail sometimes, but this shouldn't be reported as an error. It only works when the return address can be determined from the contents of the link register alone. Fix the error shown when the unwinder requires extra registers by adding a new flag that suppresses error messages. This flag is not set in the normal --call-graph=dwarf unwind mode so that behavior is not changed. Fixes: b9f6fbb3b2c29736 ("perf arm64: Inject missing frames when using 'perf record --call-graph=fp'") Reported-by: John Garry <john.garry@huawei.com> Signed-off-by: James Clark <james.clark@arm.com> Tested-by: John Garry <john.garry@huawei.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexandre Truong <alexandre.truong@arm.com> Cc: German Gomez <german.gomez@arm.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lore.kernel.org/r/20220406145651.1392529-1-james.clark@arm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-04-09tools headers arm64: Sync arm64's cputype.h with the kernel sourcesArnaldo Carvalho de Melo
To get the changes in: 83bea32ac7ed37bb ("arm64: Add part number for Arm Cortex-A78AE") That addresses this perf build warning: Warning: Kernel ABI header at 'tools/arch/arm64/include/asm/cputype.h' differs from latest version at 'arch/arm64/include/asm/cputype.h' diff -u tools/arch/arm64/include/asm/cputype.h arch/arm64/include/asm/cputype.h Cc: Ali Saidi <alisaidi@amazon.com> Cc: Andrew Kilroy <andrew.kilroy@arm.com> Cc: Chanho Park <chanho61.park@samsung.com> Cc: German Gomez <german.gomez@arm.com> Cc: James Clark <james.clark@arm.com> Cc: John Garry <john.garry@huawei.com> Cc: Leo Yan <leo.yan@linaro.org> Cc: Will Deacon <will@kernel.org> Link: http://lore.kernel.org/lkml/ Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-04-09perf test tsc: Fix error message when not supportedChengdong Li
By default `perf test tsc` does not return the error message when the child process detected kernel does not support it. Instead, the child process prints an error message to stderr, unfortunately stderr is redirected to /dev/null when verbose <= 0. This patch does: - return TEST_SKIP to the parent process instead of TEST_OK when perf_read_tsc_conversion() is not supported. - Add a new subtest of testing if TSC is supported on current architecture by moving exist code to a separate function. It avoids two places in test__perf_time_to_tsc() that return TEST_SKIP by doing this. - Extend the test suite definition to contain above two subtests. Current test_suite and test_case structs do not support printing skip reason when the number of subtest less than 1. To print skip reason, it is necessary to extend current test suite definition. Reviewed-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Chengdong Li <chengdongli@tencent.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: likexu@tencent.com Link: https://lore.kernel.org/r/20220408084748.43707-1-chengdongli@tencent.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-04-09perf build: Don't use -ffat-lto-objects in the python feature test when ↵Arnaldo Carvalho de Melo
building with clang-13 Using -ffat-lto-objects in the python feature test when building with clang-13 results in: clang-13: error: optimization flag '-ffat-lto-objects' is not supported [-Werror,-Wignored-optimization-argument] error: command '/usr/sbin/clang' failed with exit code 1 cp: cannot stat '/tmp/build/perf/python_ext_build/lib/perf*.so': No such file or directory make[2]: *** [Makefile.perf:639: /tmp/build/perf/python/perf.so] Error 1 Noticed when building on a docker.io/library/archlinux:base container. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Fangrui Song <maskray@google.com> Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: John Keeping <john@metanate.com> Cc: Leo Yan <leo.yan@linaro.org> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Nathan Chancellor <nathan@kernel.org> Cc: Nick Desaulniers <ndesaulniers@google.com> Cc: Sedat Dilek <sedat.dilek@gmail.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-04-09perf python: Fix probing for some clang command line optionsArnaldo Carvalho de Melo
The clang compiler complains about some options even without a source file being available, while others require one, so use the simple tools/build/feature/test-hello.c file. Then check for the "is not supported" string in its output, in addition to the "unknown argument" already being looked for. This was noticed when building with clang-13 where -ffat-lto-objects isn't supported and since we were looking just for "unknown argument" and not providing a source code to clang, was mistakenly assumed as being available and not being filtered to set of command line options provided to clang, leading to a build failure. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Fangrui Song <maskray@google.com> Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: John Keeping <john@metanate.com> Cc: Leo Yan <leo.yan@linaro.org> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Nathan Chancellor <nathan@kernel.org> Cc: Nick Desaulniers <ndesaulniers@google.com> Cc: Sedat Dilek <sedat.dilek@gmail.com> Link: http://lore.kernel.org/lkml/ Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-04-09tools build: Filter out options and warnings not supported by clangArnaldo Carvalho de Melo
These make the feature check fail when using clang, so remove them just like is done in tools/perf/Makefile.config to build perf itself. Adding -Wno-compound-token-split-by-macro to tools/perf/Makefile.config when building with clang is also necessary to avoid these warnings turned into errors (-Werror): CC /tmp/build/perf/util/scripting-engines/trace-event-perl.o In file included from util/scripting-engines/trace-event-perl.c:35: In file included from /usr/lib64/perl5/CORE/perl.h:4085: In file included from /usr/lib64/perl5/CORE/hv.h:659: In file included from /usr/lib64/perl5/CORE/hv_func.h:34: In file included from /usr/lib64/perl5/CORE/sbox32_hash.h:4: /usr/lib64/perl5/CORE/zaphod32_hash.h:150:5: error: '(' and '{' tokens introducing statement expression appear in different macro expansion contexts [-Werror,-Wcompound-token-split-by-macro] ZAPHOD32_SCRAMBLE32(state[0],0x9fade23b); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/lib64/perl5/CORE/zaphod32_hash.h:80:38: note: expanded from macro 'ZAPHOD32_SCRAMBLE32' #define ZAPHOD32_SCRAMBLE32(v,prime) STMT_START { \ ^~~~~~~~~~ /usr/lib64/perl5/CORE/perl.h:737:29: note: expanded from macro 'STMT_START' # define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */ ^ /usr/lib64/perl5/CORE/zaphod32_hash.h:150:5: note: '{' token is here ZAPHOD32_SCRAMBLE32(state[0],0x9fade23b); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/lib64/perl5/CORE/zaphod32_hash.h:80:49: note: expanded from macro 'ZAPHOD32_SCRAMBLE32' #define ZAPHOD32_SCRAMBLE32(v,prime) STMT_START { \ ^ /usr/lib64/perl5/CORE/zaphod32_hash.h:150:5: error: '}' and ')' tokens terminating statement expression appear in different macro expansion contexts [-Werror,-Wcompound-token-split-by-macro] ZAPHOD32_SCRAMBLE32(state[0],0x9fade23b); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/lib64/perl5/CORE/zaphod32_hash.h:87:41: note: expanded from macro 'ZAPHOD32_SCRAMBLE32' v ^= (v>>23); \ ^ /usr/lib64/perl5/CORE/zaphod32_hash.h:150:5: note: ')' token is here ZAPHOD32_SCRAMBLE32(state[0],0x9fade23b); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/lib64/perl5/CORE/zaphod32_hash.h:88:3: note: expanded from macro 'ZAPHOD32_SCRAMBLE32' } STMT_END ^~~~~~~~ /usr/lib64/perl5/CORE/perl.h:738:21: note: expanded from macro 'STMT_END' # define STMT_END ) ^ Please refer to the discussion on the Link: tag below, where Nathan clarifies the situation: <quote> acme> And then get to the problems at the end of this message, which seem acme> similar to the problem described here: acme> acme> From Nathan Chancellor <> acme> Subject [PATCH] mwifiex: Remove unnecessary braces from HostCmd_SET_SEQ_NO_BSS_INFO acme> acme> https://lkml.org/lkml/2020/9/1/135 acme> acme> So perhaps in this case its better to disable that acme> -Werror,-Wcompound-token-split-by-macro when building with clang? Yes, I think that is probably the best solution. As far as I can tell, at least in this file and context, the warning appears harmless, as the "create a GNU C statement expression from two different macros" is very much intentional, based on the presence of PERL_USE_GCC_BRACE_GROUPS. The warning is fixed in upstream Perl by just avoiding creating GNU C statement expressions using STMT_START and STMT_END: https://github.com/Perl/perl5/issues/18780 https://github.com/Perl/perl5/pull/18984 If I am reading the source code correctly, an alternative to disabling the warning would be specifying -DPERL_GCC_BRACE_GROUPS_FORBIDDEN but it seems like that might end up impacting more than just this site, according to the issue discussion above. </quote> Based-on-a-patch-by: Sedat Dilek <sedat.dilek@gmail.com> Tested-by: Sedat Dilek <sedat.dilek@gmail.com> # Debian/Selfmade LLVM-14 (x86-64) Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Fangrui Song <maskray@google.com> Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: John Keeping <john@metanate.com> Cc: Leo Yan <leo.yan@linaro.org> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Nathan Chancellor <nathan@kernel.org> Cc: Nick Desaulniers <ndesaulniers@google.com> Link: http://lore.kernel.org/lkml/YkxWcYzph5pC1EK8@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-04-09tools build: Use $(shell ) instead of `` to get embedded libperl's ccoptsArnaldo Carvalho de Melo
Just like its done for ldopts and for both in tools/perf/Makefile.config. Using `` to initialize PERL_EMBED_CCOPTS somehow precludes using: $(filter-out SOMETHING_TO_FILTER,$(PERL_EMBED_CCOPTS)) And we need to do it to allow for building with versions of clang where some gcc options selected by distros are not available. Tested-by: Sedat Dilek <sedat.dilek@gmail.com> # Debian/Selfmade LLVM-14 (x86-64) Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Fangrui Song <maskray@google.com> Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: John Keeping <john@metanate.com> Cc: Leo Yan <leo.yan@linaro.org> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Nathan Chancellor <nathan@kernel.org> Cc: Nick Desaulniers <ndesaulniers@google.com> Link: http://lore.kernel.org/lkml/YktYX2OnLtyobRYD@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-04-09tools include UAPI: Sync linux/vhost.h with the kernel sourcesArnaldo Carvalho de Melo
To get the changes in: b04d910af330b55e ("vdpa: support exposing the count of vqs to userspace") a61280ddddaa45f9 ("vdpa: support exposing the config size to userspace") Silencing this perf build warning: Warning: Kernel ABI header at 'tools/include/uapi/linux/vhost.h' differs from latest version at 'include/uapi/linux/vhost.h' diff -u tools/include/uapi/linux/vhost.h include/uapi/linux/vhost.h $ diff -u tools/include/uapi/linux/vhost.h include/uapi/linux/vhost.h --- tools/include/uapi/linux/vhost.h 2021-07-15 16:17:01.840818309 -0300 +++ include/uapi/linux/vhost.h 2022-04-02 18:55:05.702522387 -0300 @@ -150,4 +150,11 @@ /* Get the valid iova range */ #define VHOST_VDPA_GET_IOVA_RANGE _IOR(VHOST_VIRTIO, 0x78, \ struct vhost_vdpa_iova_range) + +/* Get the config size */ +#define VHOST_VDPA_GET_CONFIG_SIZE _IOR(VHOST_VIRTIO, 0x79, __u32) + +/* Get the count of all virtqueues */ +#define VHOST_VDPA_GET_VQS_COUNT _IOR(VHOST_VIRTIO, 0x80, __u32) + #endif $ tools/perf/trace/beauty/vhost_virtio_ioctl.sh > before $ cp include/uapi/linux/vhost.h tools/include/uapi/linux/vhost.h $ tools/perf/trace/beauty/vhost_virtio_ioctl.sh > after $ diff -u before after --- before 2022-04-04 14:52:25.036375145 -0300 +++ after 2022-04-04 14:52:31.906549976 -0300 @@ -38,4 +38,6 @@ [0x73] = "VDPA_GET_CONFIG", [0x76] = "VDPA_GET_VRING_NUM", [0x78] = "VDPA_GET_IOVA_RANGE", + [0x79] = "VDPA_GET_CONFIG_SIZE", + [0x80] = "VDPA_GET_VQS_COUNT", }; $ Cc: Longpeng <longpeng2@huawei.com> Cc: Michael S. Tsirkin <mst@redhat.com> Link: https://lore.kernel.org/lkml/YksxoFcOARk%2Fldev@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-04-08Merge tag 'block-5.18-2022-04-08' of git://git.kernel.dk/linux-blockLinus Torvalds
Pull block fixes from Jens Axboe: "Nothing major in here, just a few small fixes: - Small series of neglected drbd patches (Christoph, Lv, Xiaomeng) - Remove dead variable in cdrom (Enze)" * tag 'block-5.18-2022-04-08' of git://git.kernel.dk/linux-block: drbd: set QUEUE_FLAG_STABLE_WRITES drbd: fix an invalid memory access caused by incorrect use of list iterator drbd: Fix five use after free bugs in get_initial_state cdrom: remove unused variable
2022-04-08Merge tag 'io_uring-5.18-2022-04-08' of git://git.kernel.dk/linux-blockLinus Torvalds
Pull io_uring fixes from Jens Axboe: "A bit bigger than usual post merge window, largely due to a revert and a fix of at what point files are assigned for requests. The latter fixing a linked request use case where a dependent link can rely on what file is assigned consistently. Summary: - 32-bit compat fix for IORING_REGISTER_IOWQ_AFF (Eugene) - File assignment fixes (me) - Revert of the NAPI poll addition from this merge window. The author isn't available right now to engage on this, so let's revert it and we can retry for the 5.19 release (me, Jakub) - Fix a timeout removal race (me) - File update and SCM fixes (Pavel)" * tag 'io_uring-5.18-2022-04-08' of git://git.kernel.dk/linux-block: io_uring: fix race between timeout flush and removal io_uring: use nospec annotation for more indexes io_uring: zero tag on rsrc removal io_uring: don't touch scm_fp_list after queueing skb io_uring: nospec index for tags on files update io_uring: implement compat handling for IORING_REGISTER_IOWQ_AFF Revert "io_uring: Add support for napi_busy_poll" io_uring: drop the old style inflight file tracking io_uring: defer file assignment io_uring: propagate issue_flags state down to file assignment io_uring: move read/write file prep state into actual opcode handler io_uring: defer splice/tee file validity check until command issue io_uring: don't check req->file in io_fsync_prep()
2022-04-08Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdmaLinus Torvalds
Pull rdma fixes from Jason Gunthorpe: "Several bug fixes for old bugs: - Welcome Leon as co-maintainer for RDMA so we are back to having two people - Some corner cases are fixed in mlx5's MR code - Long standing CM bug where a DREQ at the wrong time can result in a long timeout - Missing locking and refcounting in hf1" * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: RDMA/hfi1: Fix use-after-free bug for mm struct IB/rdmavt: add lock to call to rvt_error_qp to prevent a race condition IB/cm: Cancel mad on the DREQ event when the state is MRA_REP_RCVD RDMA/mlx5: Add a missing update of cache->last_add RDMA/mlx5: Don't remove cache MRs when a delay is needed MAINTAINERS: Update qib and hfi1 related drivers MAINTAINERS: Add Leon Romanovsky to RDMA maintainers
2022-04-08Merge tag 'acpi-5.18-rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull ACPI updates from Rafael Wysocki: "These revert a problematic commit from the 5.17 development cycle and finalize the elimination of acpi_bus_get_device() that mostly took place during the recent merge window. Specifics: - Revert an ACPI processor driver change related to cache invalidation in acpi_idle_play_dead() that clearly was a mistake and introduced user-visible regressions (Akihiko Odaki). - Replace the last instance of acpi_bus_get_device() added during the recent merge window and drop the function to prevent more users of it from being added (Rafael Wysocki)" * tag 'acpi-5.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: ACPI: bus: Eliminate acpi_bus_get_device() Revert "ACPI: processor: idle: Only flush cache on entering C3"
2022-04-08Merge tag 'linux-kselftest-kunit-fixes-5.18-rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull KUnit fix from Shuah Khan: "A single documentation fix to incorrect and outdated usage information" * tag 'linux-kselftest-kunit-fixes-5.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: Documentation: kunit: fix path to .kunitconfig in start.rst
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-12 11:13:22 +0000