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2021-01-15Merge tag '5.11-rc3-smb3' of git://git.samba.org/sfrench/cifs-2.6Linus Torvalds
Pull cifs fixes from Steve French: "Two small cifs fixes for stable (including an important handle leak fix) and three small cleanup patches" * tag '5.11-rc3-smb3' of git://git.samba.org/sfrench/cifs-2.6: cifs: style: replace one-element array with flexible-array cifs: connect: style: Simplify bool comparison fs: cifs: remove unneeded variable in smb3_fs_context_dup cifs: fix interrupted close commands cifs: check pointer before freeing
2021-01-15Merge tag 'arm64-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 fixes from Catalin Marinas: - Set the minimum GCC version to 5.1 for arm64 due to earlier compiler bugs. - Make atomic helpers __always_inline to avoid a section mismatch when compiling with clang. - Fix the CMA and crashkernel reservations to use ZONE_DMA (remove the arm64_dma32_phys_limit variable, no longer needed with a dynamic ZONE_DMA sizing in 5.11). - Remove redundant IRQ flag tracing that was leaving lockdep inconsistent with the hardware state. - Revert perf events based hard lockup detector that was causing smp_processor_id() to be called in preemptible context. - Some trivial cleanups - spelling fix, renaming S_FRAME_SIZE to PT_REGS_SIZE, function prototypes added. * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: selftests: Fix spelling of 'Mismatch' arm64: syscall: include prototype for EL0 SVC functions compiler.h: Raise minimum version of GCC to 5.1 for arm64 arm64: make atomic helpers __always_inline arm64: rename S_FRAME_SIZE to PT_REGS_SIZE Revert "arm64: Enable perf events based hard lockup detector" arm64: entry: remove redundant IRQ flag tracing arm64: Remove arm64_dma32_phys_limit and its uses
2021-01-15Merge tag 'mips_fixes_5.11.1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux Pull MIPS fixes from Thomas Bogendoerfer: - fix coredumps on 64bit kernels - fix for alignment bugs preventing booting - fix checking for failed irq_alloc_desc calls * tag 'mips_fixes_5.11.1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: MIPS: OCTEON: fix unreachable code in octeon_irq_init_ciu MIPS: relocatable: fix possible boot hangup with KASLR enabled MIPS: Fix malformed NT_FILE and NT_SIGINFO in 32bit coredumps MIPS: boot: Fix unaligned access with CONFIG_MIPS_RAW_APPENDED_DTB
2021-01-15perf inject: Correct event attribute sizesAl Grant
When 'perf inject' reads a perf.data file from an older version of perf, it writes event attributes into the output with the original size field, but lays them out as if they had the size currently used. Readers see a corrupt file. Update the size field to match the layout. Signed-off-by: Al Grant <al.grant@foss.arm.com> Acked-by: Jiri Olsa <jolsa@redhat.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lore.kernel.org/lkml/20201124195818.30603-1-al.grant@arm.com Signed-off-by: Denis Nikitin <denik@chromium.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-01-15perf intel-pt: Fix 'CPU too large' errorAdrian Hunter
In some cases, the number of cpus (nr_cpus_online) is confused with the maximum cpu number (nr_cpus_avail), which results in the error in the example below: Example on system with 8 cpus: Before: # echo 0 > /sys/devices/system/cpu/cpu2/online # ./perf record --kcore -e intel_pt// taskset --cpu-list 7 uname Linux [ perf record: Woken up 1 times to write data ] [ perf record: Captured and wrote 0.147 MB perf.data ] # ./perf script --itrace=e Requested CPU 7 too large. Consider raising MAX_NR_CPUS 0x25908 [0x8]: failed to process type: 68 [Invalid argument] After: # ./perf script --itrace=e # Fixes: 8c7274691f0d ("perf machine: Replace MAX_NR_CPUS with perf_env::nr_cpus_online") Fixes: 7df4e36a4785 ("perf session: Replace MAX_NR_CPUS with perf_env::nr_cpus_online") Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Tested-by: Kan Liang <kan.liang@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: stable@vger.kernel.org Link: http://lore.kernel.org/lkml/20210107174159.24897-1-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-01-15perf stat: Take cgroups into account for shadow statsNamhyung Kim
As of now it doesn't consider cgroups when collecting shadow stats and metrics so counter values from different cgroups will be saved in a same slot. This resulted in incorrect numbers when those cgroups have different workloads. For example, let's look at the scenario below: cgroups A and C runs same workload which burns a cpu while cgroup B runs a light workload. $ perf stat -a -e cycles,instructions --for-each-cgroup A,B,C sleep 1 Performance counter stats for 'system wide': 3,958,116,522 cycles A 6,722,650,929 instructions A # 2.53 insn per cycle 1,132,741 cycles B 571,743 instructions B # 0.00 insn per cycle 4,007,799,935 cycles C 6,793,181,523 instructions C # 2.56 insn per cycle 1.001050869 seconds time elapsed When I run 'perf stat' with single workload, it usually shows IPC around 1.7. We can verify it (6,722,650,929.0 / 3,958,116,522 = 1.698) for cgroup A. But in this case, since cgroups are ignored, cycles are averaged so it used the lower value for IPC calculation and resulted in around 2.5. avg cycle: (3958116522 + 1132741 + 4007799935) / 3 = 2655683066 IPC (A) : 6722650929 / 2655683066 = 2.531 IPC (B) : 571743 / 2655683066 = 0.0002 IPC (C) : 6793181523 / 2655683066 = 2.557 We can simply compare cgroup pointers in the evsel and it'll be NULL when cgroups are not specified. With this patch, I can see correct numbers like below: $ perf stat -a -e cycles,instructions --for-each-cgroup A,B,C sleep 1 Performance counter stats for 'system wide': 4,171,051,687 cycles A 7,219,793,922 instructions A # 1.73 insn per cycle 1,051,189 cycles B 583,102 instructions B # 0.55 insn per cycle 4,171,124,710 cycles C 7,192,944,580 instructions C # 1.72 insn per cycle 1.007909814 seconds time elapsed Signed-off-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Jiri Olsa <jolsa@redhat.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Jin Yao <yao.jin@linux.intel.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lore.kernel.org/lkml/20210115071139.257042-2-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-01-15perf stat: Introduce struct runtime_stat_dataNamhyung Kim
To pass more info to the saved_value in the runtime_stat, add a new struct runtime_stat_data. Currently it only has 'ctx' field but later patch will add more. Note that we intentionally pass 0 as ctx to clock-related events for compatibility. It was already there in a few places. So move the code into the saved_value_lookup() explicitly and add a comment. Suggested-by: Andi Kleen <ak@linux.intel.com> Signed-off-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Jiri Olsa <jolsa@redhat.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Jin Yao <yao.jin@linux.intel.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lore.kernel.org/lkml/20210115071139.257042-1-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-01-15libperf tests: Fail when failing to get a tracepoint idIan Rogers
Permissions are necessary to get a tracepoint id. Fail the test when the read fails. Signed-off-by: Ian Rogers <irogers@google.com> Acked-by: Jiri Olsa <jolsa@redhat.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lore.kernel.org/lkml/20210114180250.3853825-2-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-01-15libperf tests: If a test fails return non-zeroIan Rogers
If a test fails return -1 rather than 0. This is consistent with the return value in test-cpumap.c Signed-off-by: Ian Rogers <irogers@google.com> Acked-by: Jiri Olsa <jolsa@redhat.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lore.kernel.org/lkml/20210114180250.3853825-1-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-01-15libperf tests: Avoid uninitialized variable warningIan Rogers
The variable 'bf' is read (for a write call) without being initialized triggering a memory sanitizer warning. Use 'bf' in the read and switch the write to reading from a string. Signed-off-by: Ian Rogers <irogers@google.com> Acked-by: Jiri Olsa <jolsa@redhat.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lore.kernel.org/lkml/20210114212304.4018119-1-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-01-15ext4: remove expensive flush on fast commitDaejun Park
In the fast commit, it adds REQ_FUA and REQ_PREFLUSH on each fast commit block when barrier is enabled. However, in recovery phase, ext4 compares CRC value in the tail. So it is sufficient to add REQ_FUA and REQ_PREFLUSH on the block that has tail. Signed-off-by: Daejun Park <daejun7.park@samsung.com> Reviewed-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com> Link: https://lore.kernel.org/r/20210106013242epcms2p5b6b4ed8ca86f29456fdf56aa580e74b4@epcms2p5 Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2021-01-15ext4: fix bug for rename with RENAME_WHITEOUTyangerkun
We got a "deleted inode referenced" warning cross our fsstress test. The bug can be reproduced easily with following steps: cd /dev/shm mkdir test/ fallocate -l 128M img mkfs.ext4 -b 1024 img mount img test/ dd if=/dev/zero of=test/foo bs=1M count=128 mkdir test/dir/ && cd test/dir/ for ((i=0;i<1000;i++)); do touch file$i; done # consume all block cd ~ && renameat2(AT_FDCWD, /dev/shm/test/dir/file1, AT_FDCWD, /dev/shm/test/dir/dst_file, RENAME_WHITEOUT) # ext4_add_entry in ext4_rename will return ENOSPC!! cd /dev/shm/ && umount test/ && mount img test/ && ls -li test/dir/file1 We will get the output: "ls: cannot access 'test/dir/file1': Structure needs cleaning" and the dmesg show: "EXT4-fs error (device loop0): ext4_lookup:1626: inode #2049: comm ls: deleted inode referenced: 139" ext4_rename will create a special inode for whiteout and use this 'ino' to replace the source file's dir entry 'ino'. Once error happens latter(the error above was the ENOSPC return from ext4_add_entry in ext4_rename since all space has been consumed), the cleanup do drop the nlink for whiteout, but forget to restore 'ino' with source file. This will trigger the bug describle as above. Signed-off-by: yangerkun <yangerkun@huawei.com> Reviewed-by: Jan Kara <jack@suse.cz> Cc: stable@vger.kernel.org Fixes: cd808deced43 ("ext4: support RENAME_WHITEOUT") Link: https://lore.kernel.org/r/20210105062857.3566-1-yangerkun@huawei.com Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2021-01-15ext4: fix wrong list_splice in ext4_fc_cleanupDaejun Park
After full/fast commit, entries in staging queue are promoted to main queue. In ext4_fs_cleanup function, it splice to staging queue to staging queue. Fixes: aa75f4d3daaeb ("ext4: main fast-commit commit path") Signed-off-by: Daejun Park <daejun7.park@samsung.com> Reviewed-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com> Link: https://lore.kernel.org/r/20201230094851epcms2p6eeead8cc984379b37b2efd21af90fd1a@epcms2p6 Signed-off-by: Theodore Ts'o <tytso@mit.edu> Cc: stable@kernel.org
2021-01-15ext4: use IS_ERR instead of IS_ERR_OR_NULL and set inode null when IS_ERRYi Li
1: ext4_iget/ext4_find_extent never returns NULL, use IS_ERR instead of IS_ERR_OR_NULL to fix this. 2: ext4_fc_replay_inode should set the inode to NULL when IS_ERR. and go to call iput properly. Fixes: 8016e29f4362 ("ext4: fast commit recovery path") Signed-off-by: Yi Li <yili@winhong.com> Reviewed-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20201230033827.3996064-1-yili@winhong.com Signed-off-by: Theodore Ts'o <tytso@mit.edu> Cc: stable@kernel.org
2021-01-15octeontx2-af: Fix missing check bugs in rvu_cgx.cYingjie Wang
In rvu_mbox_handler_cgx_mac_addr_get() and rvu_mbox_handler_cgx_mac_addr_set(), the msg is expected only from PFs that are mapped to CGX LMACs. It should be checked before mapping, so we add the is_cgx_config_permitted() in the functions. Fixes: 96be2e0da85e ("octeontx2-af: Support for MAC address filters in CGX") Signed-off-by: Yingjie Wang <wangyingjie55@126.com> Reviewed-by: Geetha sowjanya<gakula@marvell.com> Link: https://lore.kernel.org/r/1610719804-35230-1-git-send-email-wangyingjie55@126.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-01-15perf test: Fix shadow stat test for non-bash shellsNamhyung Kim
It was using some bash-specific features and failed to parse when running with a different shell like below: root@kbl-ppc:~/kbl-ws/perf-dev/lck-9077/acme.tmp/tools/perf# ./perf test 83 -vv 83: perf stat metrics (shadow stat) test : --- start --- test child forked, pid 3922 ./tests/shell/stat+shadow_stat.sh: 19: ./tests/shell/stat+shadow_stat.sh: [[: not found ./tests/shell/stat+shadow_stat.sh: 24: ./tests/shell/stat+shadow_stat.sh: [[: not found ./tests/shell/stat+shadow_stat.sh: 30: ./tests/shell/stat+shadow_stat.sh: [[: not found (standard_in) 2: syntax error ./tests/shell/stat+shadow_stat.sh: 36: ./tests/shell/stat+shadow_stat.sh: [[: not found ./tests/shell/stat+shadow_stat.sh: 19: ./tests/shell/stat+shadow_stat.sh: [[: not found ./tests/shell/stat+shadow_stat.sh: 24: ./tests/shell/stat+shadow_stat.sh: [[: not found ./tests/shell/stat+shadow_stat.sh: 30: ./tests/shell/stat+shadow_stat.sh: [[: not found (standard_in) 2: syntax error ./tests/shell/stat+shadow_stat.sh: 36: ./tests/shell/stat+shadow_stat.sh: [[: not found ./tests/shell/stat+shadow_stat.sh: 45: ./tests/shell/stat+shadow_stat.sh: declare: not found test child finished with -1 ---- end ---- perf stat metrics (shadow stat) test: FAILED! Reported-by: Jin Yao <yao.jin@linux.intel.com> Signed-off-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Jiri Olsa <jolsa@redhat.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: David Laight <david.laight@aculab.com> Cc: Ian Rogers <irogers@google.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lore.kernel.org/lkml/20210114050609.1258820-1-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-01-15tools headers: Syncronize linux/build_bug.h with the kernel sourcesArnaldo Carvalho de Melo
To pick up the changes in: 3a176b94609a18f5 ("Revert "kbuild: avoid static_assert for genksyms"") And silence this perf build warning: Warning: Kernel ABI header at 'tools/include/linux/build_bug.h' differs from latest version at 'include/linux/build_bug.h' diff -u tools/include/linux/build_bug.h include/linux/build_bug.h Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Masahiro Yamada <masahiroy@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-01-15tools headers UAPI: Sync kvm.h headers with the kernel sourcesArnaldo Carvalho de Melo
To pick the changes in: 647daca25d24fb6e ("KVM: SVM: Add support for booting APs in an SEV-ES guest") That don't cause any tooling change, just silences this perf build warning: Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from latest version at 'include/uapi/linux/kvm.h' diff -u tools/include/uapi/linux/kvm.h include/uapi/linux/kvm.h Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-01-15perf bpf examples: Fix bpf.h header include directive in 5sec.c exampleArnaldo Carvalho de Melo
It was looking at bpf/bpf.h, which caused this problem: # perf trace -e tools/perf/examples/bpf/5sec.c /home/acme/git/perf/tools/perf/examples/bpf/5sec.c:42:10: fatal error: 'bpf/bpf.h' file not found #include <bpf/bpf.h> ^~~~~~~~~~~ 1 error generated. ERROR: unable to compile tools/perf/examples/bpf/5sec.c Hint: Check error message shown above. Hint: You can also pre-compile it into .o using: clang -target bpf -O2 -c tools/perf/examples/bpf/5sec.c with proper -I and -D options. event syntax error: 'tools/perf/examples/bpf/5sec.c' \___ Failed to load tools/perf/examples/bpf/5sec.c from source: Error when compiling BPF scriptlet # Change that to plain bpf.h, to make it work again: # perf trace -e tools/perf/examples/bpf/5sec.c sleep 5s 0.000 perf_bpf_probe:hrtimer_nanosleep(__probe_ip: -1776891872, rqtp: 5000000000) # perf trace -e tools/perf/examples/bpf/5sec.c/max-stack=16/ sleep 5s 0.000 perf_bpf_probe:hrtimer_nanosleep(__probe_ip: -1776891872, rqtp: 5000000000) hrtimer_nanosleep ([kernel.kallsyms]) common_nsleep ([kernel.kallsyms]) __x64_sys_clock_nanosleep ([kernel.kallsyms]) do_syscall_64 ([kernel.kallsyms]) entry_SYSCALL_64_after_hwframe ([kernel.kallsyms]) __clock_nanosleep_2 (/usr/lib64/libc-2.32.so) # perf trace -e tools/perf/examples/bpf/5sec.c sleep 4s # Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-01-15Merge tag 'acpi-5.11-rc4' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull ACPI fixes from Rafael Wysocki: "These address a device ID bounds check error in the device enumeration code and fix a mistake in the documentation. Specifics: - Harden the ACPI device enumeration code against device ID length overflows to address a Linux VM cash on Hyper-V (Dexuan Cui). - Fix a mistake in the documentation of error type values for PCIe errors (Qiuxu Zhuo)" * tag 'acpi-5.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: Documentation: ACPI: EINJ: Fix error type values for PCIe errors ACPI: scan: Harden acpi_device_add() against device ID overflows
2021-01-15Merge tag 'for-linus-5.11-rc4-tag' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip Pull xen fixes from Juergen Gross: - A series to fix a regression when running as a fully virtualized guest on an old Xen hypervisor not supporting PV interrupt callbacks for HVM guests. - A patch to add support to query Xen resource sizes (setting was possible already) from user mode. * tag 'for-linus-5.11-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: x86/xen: Fix xen_hvm_smp_init() when vector callback not available x86/xen: Don't register Xen IPIs when they aren't going to be used x86/xen: Add xen_no_vector_callback option to test PCI INTX delivery xen: Set platform PCI device INTX affinity to CPU0 xen: Fix event channel callback via INTX/GSI xen/privcmd: allow fetching resource sizes
2021-01-15Merge tag 'iommu-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull iommu fixes from Will Deacon: "Three IOMMU fixes for -rc4. The main one is a change to the Intel IOMMU driver to fix the handling of unaligned addresses when invalidating the TLB. The fix itself is a bit ugly (the caller does a bunch of shifting which is then effectively undone later in the callchain), but Lu has patches to clean all of this up in 5.12. Summary: - Fix address alignment handling for VT-D TLB invalidation - Enable workarounds for buggy Qualcomm firmware on two more SoCs - Drop duplicate #include" * tag 'iommu-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: iommu/vt-d: Fix duplicate included linux/dma-map-ops.h iommu: arm-smmu-qcom: Add sdm630/msm8998 compatibles for qcom quirks iommu/vt-d: Fix unaligned addresses for intel_flush_svm_range_dev()
2021-01-15Merge tag 'topic/nouveau-ampere-modeset-2021-01-15' of ↵Linus Torvalds
git://anongit.freedesktop.org/drm/drm Pull drm nouveau ampere display support from Dave Airlie: "Ben has requested if we can include Ampere modesetting support under fixes, it's for new GPUs and shouldn't affect existing hardware. It's a bit bigger than just adding a PCI ID, but It has no effect on older GPUs" * tag 'topic/nouveau-ampere-modeset-2021-01-15' of git://anongit.freedesktop.org/drm/drm: drm/nouveau/disp/ga10[24]: initial support drm/nouveau/dmaobj/ga10[24]: initial support drm/nouveau/i2c/ga10[024]: initial support drm/nouveau/gpio/ga10[024]: initial support drm/nouveau/bar/ga10[024]: initial support drm/nouveau/mmu/ga10[024]: initial support drm/nouveau/timer/ga10[024]: initial support drm/nouveau/fb/ga10[024]: initial support drm/nouveau/imem/ga10[024]: initial support drm/nouveau/privring/ga10[024]: initial support drm/nouveau/mc/ga10[024]: initial support drm/nouveau/devinit/ga10[024]: initial support drm/nouveau/bios/ga10[024]: initial support drm/nouveau/pci/ga10[024]: initial support drm/nouveau/core: recognise GA10[024]
2021-01-15Merge branch 'acpi-docs'Rafael J. Wysocki
* acpi-docs: Documentation: ACPI: EINJ: Fix error type values for PCIe errors
2021-01-15MAINTAINERS: update qcom ASoC drivers listSrinivas Kandagatla
Add full list of ASoC drivers that are maintained! Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Link: https://lore.kernel.org/r/20210115165520.6023-2-srinivas.kandagatla@linaro.org Signed-off-by: Mark Brown <broonie@kernel.org>
2021-01-15MAINTAINERS: update maintainers of qcom audioSrinivas Kandagatla
Add myself as maintainer of qcom audio drivers, as Patrick has very little time to look at the patches. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Reviewed-by: Banajit Goswami <bgoswami@codeaurora.org> Acked-by: Patrick Lai <plai@codeaurora.org> Link: https://lore.kernel.org/r/20210115165520.6023-1-srinivas.kandagatla@linaro.org Signed-off-by: Mark Brown <broonie@kernel.org>
2021-01-15io_uring: flush timeouts that should already have expiredMarcelo Diop-Gonzalez
Right now io_flush_timeouts() checks if the current number of events is equal to ->timeout.target_seq, but this will miss some timeouts if there have been more than 1 event added since the last time they were flushed (possible in io_submit_flush_completions(), for example). Fix it by recording the last sequence at which timeouts were flushed so that the number of events seen can be compared to the number of events needed without overflow. Signed-off-by: Marcelo Diop-Gonzalez <marcelo827@gmail.com> Reviewed-by: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-01-15xhci: tegra: Delay for disabling LFPS detectorJC Kuo
Occasionally, we are seeing some SuperSpeed devices resumes right after being directed to U3. This commits add 500us delay to ensure LFPS detector is disabled before sending ACK to firmware. [ 16.099363] tegra-xusb 70090000.usb: entering ELPG [ 16.104343] tegra-xusb 70090000.usb: 2-1 isn't suspended: 0x0c001203 [ 16.114576] tegra-xusb 70090000.usb: not all ports suspended: -16 [ 16.120789] tegra-xusb 70090000.usb: entering ELPG failed The register write passes through a few flop stages of 32KHz clock domain. NVIDIA ASIC designer reviewed RTL and suggests 500us delay. Cc: stable@vger.kernel.org Signed-off-by: JC Kuo <jckuo@nvidia.com> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Link: https://lore.kernel.org/r/20210115161907.2875631-3-mathias.nyman@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-01-15xhci: make sure TRB is fully written before giving it to the controllerMathias Nyman
Once the command ring doorbell is rung the xHC controller will parse all command TRBs on the command ring that have the cycle bit set properly. If the driver just started writing the next command TRB to the ring when hardware finished the previous TRB, then HW might fetch an incomplete TRB as long as its cycle bit set correctly. A command TRB is 16 bytes (128 bits) long. Driver writes the command TRB in four 32 bit chunks, with the chunk containing the cycle bit last. This does however not guarantee that chunks actually get written in that order. This was detected in stress testing when canceling URBs with several connected USB devices. Two consecutive "Set TR Dequeue pointer" commands got queued right after each other, and the second one was only partially written when the controller parsed it, causing the dequeue pointer to be set to bogus values. This was seen as error messages: "Mismatch between completed Set TR Deq Ptr command & xHCI internal state" Solution is to add a write memory barrier before writing the cycle bit. Cc: <stable@vger.kernel.org> Tested-by: Ross Zwisler <zwisler@google.com> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Link: https://lore.kernel.org/r/20210115161907.2875631-2-mathias.nyman@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-01-15usb: udc: core: Use lock when write to soft_connectThinh Nguyen
Use lock to guard against concurrent access for soft-connect/disconnect operations when writing to soft_connect sysfs. Fixes: 2ccea03a8f7e ("usb: gadget: introduce UDC Class") Cc: stable@vger.kernel.org Acked-by: Felipe Balbi <balbi@kernel.org> Signed-off-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com> Link: https://lore.kernel.org/r/338ea01fbd69b1985ef58f0f59af02c805ddf189.1610611437.git.Thinh.Nguyen@synopsys.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-01-15spi: cadence: cache reference clock rate during probeMichael Hennerich
The issue is that using SPI from a callback under the CCF lock will deadlock, since this code uses clk_get_rate(). Fixes: c474b38665463 ("spi: Add driver for Cadence SPI controller") Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com> Link: https://lore.kernel.org/r/20210114154217.51996-1-alexandru.ardelean@analog.com Signed-off-by: Mark Brown <broonie@kernel.org>
2021-01-15mmc: core: don't initialize block size from ext_csd if not presentPeter Collingbourne
If extended CSD was not available, the eMMC driver would incorrectly set the block size to 0, as the data_sector_size field of ext_csd was never initialized. This issue was exposed by commit 817046ecddbc ("block: Align max_hw_sectors to logical blocksize") which caused max_sectors and max_hw_sectors to be set to 0 after setting the block size to 0, resulting in a kernel panic in bio_split when attempting to read from the device. Fix it by only reading the block size from ext_csd if it is available. Fixes: a5075eb94837 ("mmc: block: Allow disabling 512B sector size emulation") Signed-off-by: Peter Collingbourne <pcc@google.com> Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com> Link: https://linux-review.googlesource.com/id/If244d178da4d86b52034459438fec295b02d6e60 Acked-by: Adrian Hunter <adrian.hunter@intel.com> Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20210114201405.2934886-1-pcc@google.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-01-15printk: fix kmsg_dump_get_buffer length calulationsJohn Ogness
kmsg_dump_get_buffer() uses @syslog to determine if the syslog prefix should be written to the buffer. However, when calculating the maximum number of records that can fit into the buffer, it always counts the bytes from the syslog prefix. Use @syslog when calculating the maximum number of records that can fit into the buffer. Fixes: e2ae715d66bf ("kmsg - kmsg_dump() use iterator to receive log buffer content") Signed-off-by: John Ogness <john.ogness@linutronix.de> Reviewed-by: Petr Mladek <pmladek@suse.com> Acked-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Signed-off-by: Petr Mladek <pmladek@suse.com> Link: https://lore.kernel.org/r/20210113164413.1599-1-john.ogness@linutronix.de
2021-01-15printk: ringbuffer: fix line countingJohn Ogness
Counting text lines in a record simply involves counting the number of newline characters (+1). However, it is searching the full data block for newline characters, even though the text data can be (and often is) a subset of that area. Since the extra area in the data block was never initialized, the result is that extra newlines may be seen and counted. Restrict newline searching to the text data length. Fixes: b6cf8b3f3312 ("printk: add lockless ringbuffer") Signed-off-by: John Ogness <john.ogness@linutronix.de> Reviewed-by: Petr Mladek <pmladek@suse.com> Acked-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Signed-off-by: Petr Mladek <pmladek@suse.com> Link: https://lore.kernel.org/r/20210113144234.6545-1-john.ogness@linutronix.de
2021-01-15ALSA: hda: Add Cometlake-R PCI IDKai-Chuan Hsieh
Add HD Audio Device PCI ID for the Intel Cometlake-R platform Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com> Signed-off-by: Kai-Chuan Hsieh <kaichuan.hsieh@canonical.com> Link: https://lore.kernel.org/r/20210115031515.13100-1-kaichuan.hsieh@canonical.com Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-01-15arm64: selftests: Fix spelling of 'Mismatch'Mark Brown
The SVE and FPSIMD stress tests have a spelling mistake in the output, fix it. Signed-off-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20210108183144.673-1-broonie@kernel.org Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2021-01-15arm64: syscall: include prototype for EL0 SVC functionsMark Rutland
The kbuild test robot reports that when building with W=1, GCC will warn for a couple of missing prototypes in syscall.c: | arch/arm64/kernel/syscall.c:157:6: warning: no previous prototype for 'do_el0_svc' [-Wmissing-prototypes] | 157 | void do_el0_svc(struct pt_regs *regs) | | ^~~~~~~~~~ | arch/arm64/kernel/syscall.c:164:6: warning: no previous prototype for 'do_el0_svc_compat' [-Wmissing-prototypes] | 164 | void do_el0_svc_compat(struct pt_regs *regs) | | ^~~~~~~~~~~~~~~~~ While this isn't a functional problem, as a general policy we should include the prototype for functions wherever possible to catch any accidental divergence between the prototype and implementation. Here we can easily include <asm/exception.h>, so let's do so. While there are a number of warnings elsewhere and some warnings enabled under W=1 are of questionable benefit, this change helps to make the code more robust as it evolved and reduces the noise somewhat, so it seems worthwhile. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Reported-by: kernel test robot <lkp@intel.com> Cc: Will Deacon <will@kernel.org> Link: https://lore.kernel.org/r/202101141046.n8iPO3mw-lkp@intel.com Link: https://lore.kernel.org/r/20210114124812.17754-1-mark.rutland@arm.com Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2021-01-15compiler.h: Raise minimum version of GCC to 5.1 for arm64Will Deacon
GCC versions >= 4.9 and < 5.1 have been shown to emit memory references beyond the stack pointer, resulting in memory corruption if an interrupt is taken after the stack pointer has been adjusted but before the reference has been executed. This leads to subtle, infrequent data corruption such as the EXT4 problems reported by Russell King at the link below. Life is too short for buggy compilers, so raise the minimum GCC version required by arm64 to 5.1. Reported-by: Russell King <linux@armlinux.org.uk> Suggested-by: Arnd Bergmann <arnd@kernel.org> Signed-off-by: Will Deacon <will@kernel.org> Tested-by: Nathan Chancellor <natechancellor@gmail.com> Reviewed-by: Nick Desaulniers <ndesaulniers@google.com> Reviewed-by: Nathan Chancellor <natechancellor@gmail.com> Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: <stable@vger.kernel.org> Cc: Theodore Ts'o <tytso@mit.edu> Cc: Florian Weimer <fweimer@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Nick Desaulniers <ndesaulniers@google.com> Link: https://lore.kernel.org/r/20210105154726.GD1551@shell.armlinux.org.uk Link: https://lore.kernel.org/r/20210112224832.10980-1-will@kernel.org Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2021-01-15ALSA: seq: oss: Fix missing error check in snd_seq_oss_synth_make_info()Takashi Iwai
snd_seq_oss_synth_make_info() didn't check the error code from snd_seq_oss_midi_make_info(), and this leads to the call of strlcpy() with the uninitialized string as the source, which may lead to the access over the limit. Add the proper error check for avoiding the failure. Reported-by: syzbot+e42504ff21cff05a595f@syzkaller.appspotmail.com Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20210115093428.15882-1-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-01-15Merge tag 'iio-fixes-for-5.11a' of ↵Greg Kroah-Hartman
https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus Jonathan writes: First set of IIO and counter fixes for the 5.11 cycle. Counter fixes ti,eqep - Remove floor interface as the device always wraps to 0. IIO adi,ad5504 - Fix inverted power state control. bosch,bma255 - Fix a difference in part naming between dt-binding doc and the driver. melexis,mlx90632 - Add a delay after reset command. semtech,sx9310 - Off by one error. - Fix an issue due to need to skip a value in a power of 2 series. st,st_sensors - Fix a possible infinite loop if data read is not define or reading it fails. ti,am335x - Remove a left over iio_kfifo_free after managed allocation conversion. * tag 'iio-fixes-for-5.11a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: iio: sx9310: Fix semtech,avg-pos-strength setting when > 16 iio: common: st_sensors: fix possible infinite loop in st_sensors_irq_thread iio: ad5504: Fix setting power-down state counter:ti-eqep: remove floor drivers: iio: temperature: Add delay after the addressed reset command in mlx90632.c iio: adc: ti_am335x_adc: remove omitted iio_kfifo_free() dt-bindings: iio: accel: bma255: Fix bmc150/bmi055 compatible iio: sx9310: Off by one in sx9310_read_thresh()
2021-01-15Merge branch '04.01-ampere-lite' of git://github.com/skeggsb/linux into ↵Dave Airlie
topic/nouveau-ampere-modeset This adds support for basic modeseting on the nvidia ampere chipsets. This code should all be contained to just those and have no effect on current hardware. Signed-off-by: Dave Airlie <airlied@redhat.com> From: Ben Skeggs <skeggsb@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/CACAvsv5LmMP+HbDUQBf_dy1-0eS9fA32k8HWo4y5X4-7rsw-yw@mail.gmail.com
2021-01-14Merge tag 'drm-fixes-2021-01-15' of git://anongit.freedesktop.org/drm/drmLinus Torvalds
Pull drm fixes from Dave Airlie: "Regular fixes for rc4, a bunch of fixes across i915, amdgpu and nouveau here, along with a couple of TTM fixes, and dma-buf and one core pageflip/modifier interaction fix. One notable i915 fix is a HSW GT1 regression fix that has been outstanding for quite a while. (Thanks to Matt Turner for kicking Intel into getting it fixed). dma-buf: - Fix a memory leak in CMAV heap core: - Fix format check for legacy pageflips ttm: - Pass correct address to dma_mapping_error() - Use mutex in pool shrinker i915: - Allow the sysadmin to override security mitigations - Restore clear-residual mitigations for ivb/byt - Limit VFE threads based on GT - GVT: fix vfio edid and full display detection - Fix DSI DSC power refcounting - Fix LPT CPU mode backlight takeover - Disable RPM wakeref assertions during driver shutdown - Fix DSI sequence sleeps amdgpu: - Update repo location in MAINTAINERS - Add some new renoir PCI IDs - Revert CRC UAPI changes - Revert OLED display fix which cases clocking problems for some systems - Misc vangogh fixes - GFX fix for sienna cichlid - DCN1.0 fix for pipe split - Fix incorrect PSP command amdkfd: - Fix possible out of bounds read in vcrat creation nouveau: - irq handling fix - expansion ROM fix - hw init dpcd disable - aux semaphore owner field fix - vram heap sizing fix - notifier at 0 is valid fix" * tag 'drm-fixes-2021-01-15' of git://anongit.freedesktop.org/drm/drm: (37 commits) drm/nouveau/kms/nv50-: fix case where notifier buffer is at offset 0 drm/nouveau/mmu: fix vram heap sizing drm/nouveau/i2c/gm200: increase width of aux semaphore owner fields drm/nouveau/i2c/gk110-: disable hw-initiated dpcd reads drm/nouveau/i2c/gk110: split out from i2c/gk104 drm/nouveau/privring: ack interrupts the same way as RM drm/nouveau/bios: fix issue shadowing expansion ROMs drm/amd/display: Fix to be able to stop crc calculation Revert "drm/amd/display: Expose new CRC window property" Revert "drm/amdgpu/disply: fix documentation warnings in display manager" Revert "drm/amd/display: Fix unused variable warning" drm/amdgpu: set power brake sequence drm/amdgpu: add new device id for Renior drm/amdgpu: add green_sardine device id (v2) drm/amdgpu: fix vram type and bandwidth error for DDR5 and DDR4 drm/amdgpu/gfx10: add updated GOLDEN_TSC_COUNT_UPPER/LOWER register offsets for VGH drm/amdkfd: Fix out-of-bounds read in kdf_create_vcrat_image_cpu() Revert "drm/amd/display: Fixed Intermittent blue screen on OLED panel" drm/amd/display: disable dcn10 pipe split by default drm/amd/display: Add a missing DCN3.01 API mapping ...
2021-01-14Merge tag 'trace-v5.11-rc3' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull bootconfig fix from Steven Rostedt: "Update bootconf scripts for tracing_on option The tracing_on option is supported by bootconfig entries, but the scripts to convert from ftrace to a bootconfig and back were not updated" * tag 'trace-v5.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: tools/bootconfig: Add tracing_on support to helper scripts
2021-01-15Merge branch '04.00-ampere-lite-fixes' of git://github.com/skeggsb/linux ↵Dave Airlie
into drm-fixes As requested, here's a tree with the non-Ampere-specific fixes split out, as most of them are potentially relevant to already-supported GPUs. - irq handling fix - expansion ROM fix - hw init dpcd disable - aux semaphore owner field fix - vram heap sizing fix - notifier at 0 is valid fix Signed-off-by: Dave Airlie <airlied@redhat.com> From: Ben Skeggs <skeggsb@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/CACAvsv4P90mcF_ByAh+ghz+ZVD2N2bPbD7xHYYArE1kYrvsGcQ@mail.gmail.com
2021-01-14scsi: ibmvfc: Set default timeout to avoid crash during migrationBrian King
While testing live partition mobility, we have observed occasional crashes of the Linux partition. What we've seen is that during the live migration, for specific configurations with large amounts of memory, slow network links, and workloads that are changing memory a lot, the partition can end up being suspended for 30 seconds or longer. This resulted in the following scenario: CPU 0 CPU 1 ------------------------------- ---------------------------------- scsi_queue_rq migration_store -> blk_mq_start_request -> rtas_ibm_suspend_me -> blk_add_timer -> on_each_cpu(rtas_percpu_suspend_me _______________________________________V | V -> IPI from CPU 1 -> rtas_percpu_suspend_me -> __rtas_suspend_last_cpu -- Linux partition suspended for > 30 seconds -- -> for_each_online_cpu(cpu) plpar_hcall_norets(H_PROD -> scsi_dispatch_cmd -> scsi_times_out -> scsi_abort_command -> queue_delayed_work -> ibmvfc_queuecommand_lck -> ibmvfc_send_event -> ibmvfc_send_crq - returns H_CLOSED <- returns SCSI_MLQUEUE_HOST_BUSY -> __blk_mq_requeue_request -> scmd_eh_abort_handler -> scsi_try_to_abort_cmd - returns SUCCESS -> scsi_queue_insert Normally, the SCMD_STATE_COMPLETE bit would protect against the command completion and the timeout, but that doesn't work here, since we don't check that at all in the SCSI_MLQUEUE_HOST_BUSY path. In this case we end up calling scsi_queue_insert on a request that has already been queued, or possibly even freed, and we crash. The patch below simply increases the default I/O timeout to avoid this race condition. This is also the timeout value that nearly all IBM SAN storage recommends setting as the default value. Link: https://lore.kernel.org/r/1610463998-19791-1-git-send-email-brking@linux.vnet.ibm.com Signed-off-by: Brian King <brking@linux.vnet.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-01-14scsi: target: tcmu: Fix use-after-free of se_cmd->privShin'ichiro Kawasaki
Commit a35129024e88 ("scsi: target: tcmu: Use priv pointer in se_cmd") modified tcmu_free_cmd() to set NULL to priv pointer in se_cmd. However, se_cmd can be already freed by work queue triggered in target_complete_cmd(). This caused BUG KASAN use-after-free [1]. To fix the bug, do not touch priv pointer in tcmu_free_cmd(). Instead, set NULL to priv pointer before target_complete_cmd() calls. Also, to avoid unnecessary priv pointer change in tcmu_queue_cmd(), modify priv pointer in the function only when tcmu_free_cmd() is not called. [1] BUG: KASAN: use-after-free in tcmu_handle_completions+0x1172/0x1770 [target_core_user] Write of size 8 at addr ffff88814cf79a40 by task cmdproc-uio0/14842 CPU: 2 PID: 14842 Comm: cmdproc-uio0 Not tainted 5.11.0-rc2 #1 Hardware name: Supermicro Super Server/X10SRL-F, BIOS 3.2 11/22/2019 Call Trace: dump_stack+0x9a/0xcc ? tcmu_handle_completions+0x1172/0x1770 [target_core_user] print_address_description.constprop.0+0x18/0x130 ? tcmu_handle_completions+0x1172/0x1770 [target_core_user] ? tcmu_handle_completions+0x1172/0x1770 [target_core_user] kasan_report.cold+0x7f/0x10e ? tcmu_handle_completions+0x1172/0x1770 [target_core_user] tcmu_handle_completions+0x1172/0x1770 [target_core_user] ? queue_tmr_ring+0x5d0/0x5d0 [target_core_user] tcmu_irqcontrol+0x28/0x60 [target_core_user] uio_write+0x155/0x230 ? uio_vma_fault+0x460/0x460 ? security_file_permission+0x4f/0x440 vfs_write+0x1ce/0x860 ksys_write+0xe9/0x1b0 ? __ia32_sys_read+0xb0/0xb0 ? syscall_enter_from_user_mode+0x27/0x70 ? trace_hardirqs_on+0x1c/0x110 do_syscall_64+0x33/0x40 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7fcf8b61905f Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 b9 fc ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 0c fd ff ff 48 RSP: 002b:00007fcf7b3e6c30 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcf8b61905f RDX: 0000000000000004 RSI: 00007fcf7b3e6c78 RDI: 000000000000000c RBP: 00007fcf7b3e6c80 R08: 0000000000000000 R09: 00007fcf7b3e6aa8 R10: 000000000b01c000 R11: 0000000000000293 R12: 00007ffe0c32a52e R13: 00007ffe0c32a52f R14: 0000000000000000 R15: 00007fcf7b3e7640 Allocated by task 383: kasan_save_stack+0x1b/0x40 ____kasan_kmalloc.constprop.0+0x84/0xa0 kmem_cache_alloc+0x142/0x330 tcm_loop_queuecommand+0x2a/0x4e0 [tcm_loop] scsi_queue_rq+0x12ec/0x2d20 blk_mq_dispatch_rq_list+0x30a/0x1db0 __blk_mq_do_dispatch_sched+0x326/0x830 __blk_mq_sched_dispatch_requests+0x2c8/0x3f0 blk_mq_sched_dispatch_requests+0xca/0x120 __blk_mq_run_hw_queue+0x93/0xe0 process_one_work+0x7b6/0x1290 worker_thread+0x590/0xf80 kthread+0x362/0x430 ret_from_fork+0x22/0x30 Freed by task 11655: kasan_save_stack+0x1b/0x40 kasan_set_track+0x1c/0x30 kasan_set_free_info+0x20/0x30 ____kasan_slab_free+0xec/0x120 slab_free_freelist_hook+0x53/0x160 kmem_cache_free+0xf4/0x5c0 target_release_cmd_kref+0x3ea/0x9e0 [target_core_mod] transport_generic_free_cmd+0x28b/0x2f0 [target_core_mod] target_complete_ok_work+0x250/0xac0 [target_core_mod] process_one_work+0x7b6/0x1290 worker_thread+0x590/0xf80 kthread+0x362/0x430 ret_from_fork+0x22/0x30 Last potentially related work creation: kasan_save_stack+0x1b/0x40 kasan_record_aux_stack+0xa3/0xb0 insert_work+0x48/0x2e0 __queue_work+0x4e8/0xdf0 queue_work_on+0x78/0x80 tcmu_handle_completions+0xad0/0x1770 [target_core_user] tcmu_irqcontrol+0x28/0x60 [target_core_user] uio_write+0x155/0x230 vfs_write+0x1ce/0x860 ksys_write+0xe9/0x1b0 do_syscall_64+0x33/0x40 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Second to last potentially related work creation: kasan_save_stack+0x1b/0x40 kasan_record_aux_stack+0xa3/0xb0 insert_work+0x48/0x2e0 __queue_work+0x4e8/0xdf0 queue_work_on+0x78/0x80 tcm_loop_queuecommand+0x1c3/0x4e0 [tcm_loop] scsi_queue_rq+0x12ec/0x2d20 blk_mq_dispatch_rq_list+0x30a/0x1db0 __blk_mq_do_dispatch_sched+0x326/0x830 __blk_mq_sched_dispatch_requests+0x2c8/0x3f0 blk_mq_sched_dispatch_requests+0xca/0x120 __blk_mq_run_hw_queue+0x93/0xe0 process_one_work+0x7b6/0x1290 worker_thread+0x590/0xf80 kthread+0x362/0x430 ret_from_fork+0x22/0x30 The buggy address belongs to the object at ffff88814cf79800 which belongs to the cache tcm_loop_cmd_cache of size 896. Link: https://lore.kernel.org/r/20210113024508.1264992-1-shinichiro.kawasaki@wdc.com Fixes: a35129024e88 ("scsi: target: tcmu: Use priv pointer in se_cmd") Cc: stable@vger.kernel.org # v5.9+ Acked-by: Bodo Stroesser <bostroesser@gmail.com> Signed-off-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-01-14riscv: stacktrace: Move register keyword to beginning of declarationKefeng Wang
Using global sp_in_global directly to fix the following warning, arch/riscv/kernel/stacktrace.c:31:3: warning: ‘register’ is not at beginning of declaration [-Wold-style-declaration] 31 | const register unsigned long current_sp = sp_in_global; | ^~~~~ Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
2021-01-15Merge tag 'amd-drm-fixes-5.11-2021-01-14' of ↵Dave Airlie
https://gitlab.freedesktop.org/agd5f/linux into drm-fixes amd-drm-fixes-5.11-2021-01-14: amdgpu: - Update repo location in MAINTAINERS - Add some new renoir PCI IDs - Revert CRC UAPI changes - Revert OLED display fix which cases clocking problems for some systems - Misc vangogh fixes - GFX fix for sienna cichlid - DCN1.0 fix for pipe split - Fix incorrect PSP command amdkfd: - Fix possible out of bounds read in vcrat creation Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexdeucher@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210114201354.3998-1-alexander.deucher@amd.com
2021-01-15Merge tag 'drm-intel-fixes-2021-01-14' of ↵Dave Airlie
git://anongit.freedesktop.org/drm/drm-intel into drm-fixes drm/i915 fixes for v5.11-rc4: - Allow the sysadmin to override security mitigations - Restore clear-residual mitigations for ivb/byt - Limit VFE threads based on GT - GVT: fix vfio edid and full display detection - Fix DSI DSC power refcounting - Fix LPT CPU mode backlight takeover - Disable RPM wakeref assertions during driver shutdown - Fix DSI sequence sleeps Signed-off-by: Dave Airlie <airlied@redhat.com> From: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/87sg73pz42.fsf@intel.com
2021-01-15drm/nouveau/disp/ga10[24]: initial supportBen Skeggs
UEFI/RM no longer use IED scripts from the VBIOS, though they appear to have been updated for use by the x86 VBIOS code, so we should be able to continue using them for the moment. Unfortunately, we require some hacks to do so, as the BeforeLinkTraining IED script became a pointer to an array of scripts instead, without a revbump of the relevant tables. There's also some changes to SOR clock divider fiddling, which are hopefully correct enough that things work as they should. AFAIK, GA100 shouldn't have display, so it hasn't been added. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>