fl_set_enc_opt() simply checks if there are still bytes left to parse,
but this is not sufficent as syzbot seems to be able to generate
malformatted netlink messages. nla_ok() is more strict so should be
used to validate the next nlattr here.
And nla_validate_nested_deprecated() has less strict check too, it is
probably too late to switch to the strict version, but we can just
call nla_ok() too after it.
Reported-and-tested-by: syzbot+2624e3778b18fc497c92@syzkaller.appspotmail.com
Fixes: 0a6e77784f ("net/sched: allow flower to match tunnel options")
Fixes: 79b1011cb3 ("net: sched: allow flower to match erspan options")
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: Xin Long <lucien.xin@gmail.com>
Cc: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: Cong Wang <cong.wang@bytedance.com>
Link: https://lore.kernel.org/r/20210115185024.72298-1-xiyou.wangcong@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
George McCollister says:
====================
Arrow SpeedChips XRS700x DSA Driver
This series adds a DSA driver for the Arrow SpeedChips XRS 7000 series
of HSR/PRP gigabit switch chips.
The chips use Flexibilis IP.
More information can be found here:
https://www.flexibilis.com/products/speedchips-xrs7000/
The switches have up to three RGMII ports and one MII port and are
managed via mdio or i2c. They use a one byte trailing tag to identify
the switch port when in managed mode so I've added a tag driver which
implements this.
This series contains minimal DSA functionality which may be built upon
in future patches. The ultimate goal is to add HSR and PRP
(IEC 62439-3 Clause 5 & 4) offloading with integration into net/hsr.
====================
Link: https://lore.kernel.org/r/20210114195734.55313-1-george.mccollister@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add documentation and an example for Arrow SpeedChips XRS7000 Series
single chip Ethernet switches.
Signed-off-by: George McCollister <george.mccollister@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add a driver with initial support for the Arrow SpeedChips XRS7000
series of gigabit Ethernet switch chips which are typically used in
critical networking applications.
The switches have up to three RGMII ports and one RMII port.
Management to the switches can be performed over i2c or mdio.
Support for advanced features such as PTP and
HSR/PRP (IEC 62439-3 Clause 5 & 4) is not included in this patch and
may be added at a later date.
Signed-off-by: George McCollister <george.mccollister@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add support for Arrow SpeedChips XRS700x single byte tag trailer. This
is modeled on tag_trailer.c which works in a similar way.
Signed-off-by: George McCollister <george.mccollister@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Merge misc fixes from Andrew Morton:
"10 patches.
Subsystems affected by this patch series: MAINTAINERS and mm (slub,
pagealloc, memcg, kasan, vmalloc, migration, hugetlb, memory-failure,
and process_vm_access)"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
mm/process_vm_access.c: include compat.h
mm,hwpoison: fix printing of page flags
MAINTAINERS: add Vlastimil as slab allocators maintainer
mm/hugetlb: fix potential missing huge page size info
mm: migrate: initialize err in do_migrate_pages
mm/vmalloc.c: fix potential memory leak
arm/kasan: fix the array size of kasan_early_shadow_pte[]
mm/memcontrol: fix warning in mem_cgroup_page_lruvec()
mm/page_alloc: add a missing mm_page_alloc_zone_locked() tracepoint
mm, slub: consider rest of partial list if acquire_slab() fails
Several bug fixes.
- Fix a ucma memory leak introduced in v5.9 while fixing the Syzkaller
bugs
- Don't fail when the xarray wraps for user verbs objects
- User triggerable oops regression from the umem page size rework
- Error unwind bugs in usnic, ocrdma, mlx5 and cma
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma fixes from Jason Gunthorpe:
"A fairly modest set of bug fixes, nothing abnormal from the merge
window
The ucma patch is a bit on the larger side, but given the regression
was recently added I've opted to forward it to the rc stream.
- Fix a ucma memory leak introduced in v5.9 while fixing the
Syzkaller bugs
- Don't fail when the xarray wraps for user verbs objects
- User triggerable oops regression from the umem page size rework
- Error unwind bugs in usnic, ocrdma, mlx5 and cma"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
RDMA/cma: Fix error flow in default_roce_mode_store
RDMA/mlx5: Fix wrong free of blue flame register on error
IB/mlx5: Fix error unwinding when set_has_smi_cap fails
RDMA/umem: Avoid undefined behavior of rounddown_pow_of_two()
RDMA/ocrdma: Fix use after free in ocrdma_dealloc_ucontext_pd()
RDMA/usnic: Fix memleak in find_free_vf_and_create_qp_grp
RDMA/restrack: Don't treat as an error allocation ID wrapping
RDMA/ucma: Do not miss ctx destruction steps in some cases
Russell King says:
====================
Add further DT configuration for AT803x PHYs
This patch series adds the ability to configure the SmartEEE feature
in AT803x PHYs. SmartEEE defaults to enabled on these PHYs, and has
a history of causing random sporadic link drops at Gigabit speeds.
There appears to be two solutions to this. There is the approach that
Freescale adopted early on, which is to disable the SmartEEE feature.
However, this loses the power saving provided by EEE. Another solution
was found by Jon Nettleton is to increase the Tw parameter for Gigabit
links.
This patch series adds support for both approaches, by adding a boolean:
qca,disable-smarteee
if one wishes to disable SmartEEE, and two properties to configure the
SmartEEE Tw parameters:
qca,smarteee-tw-us-100m
qca,smarteee-tw-us-1g
Sadly, the PHY quirk I merged a while back for AT8035 on iMX6 is broken
- rather than disabling SmartEEE mode, it enables it.
The addition of these properties will be sent to the appropriate
platform maintainers - although for SolidRun platforms, we only make use
of "qca,smarteee-tw-us-1g".
====================
Link: https://lore.kernel.org/r/20210114104455.GP1551@shell.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
SmartEEE for the atheros phy was deemed buggy by Freescale and commits
were added to disable it for their boards.
In initial testing, SolidRun found that the default settings were
causing disconnects but by increasing the Tw buffer time we could allow
enough time for all parts of the link to come out of a low power state
and function properly without causing a disconnect. This allows us to
have functional power savings of between 300 and 400mW, rather than
disabling the feature altogether.
This commit adds support for disabling SmartEEE and configuring the Tw
parameters for 1G and 100M speeds.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The SmartEEE feature of Atheros AR803x PHYs can cause the link to
bounce. Add DT properties to allow SmartEEE to be disabled, and to
allow the Tw parameters for 100M and 1G links to be configured.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
If we enter with requests pending and performm cancelations, we'll have
a different inflight count before and after calling prepare_to_wait().
This causes the loop to restart. If we actually ended up canceling
everything, or everything completed in-between, then we'll break out
of the loop without calling finish_wait() on the waitqueue. This can
trigger a warning on exit_signals(), as we leave the task state in
TASK_UNINTERRUPTIBLE.
Put a finish_wait() after the loop to catch that case.
Cc: stable@vger.kernel.org # 5.9+
Signed-off-by: Jens Axboe <axboe@kernel.dk>
My Intel email will stop working in a not too distant future. Move my
MAINTAINERS entries to my kernel.org address.
Signed-off-by: Björn Töpel <bjorn@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20210115104337.7751-1-bjorn.topel@gmail.com
* For the new fast_commit feature
* Fix some error handling codepaths in whiteout handling and
mountpoint sampling
* Fix how we write ext4_error information so it goes through the journal
when journalling is active, to avoid races that can lead to lost
error information, superblock checksum failures, or DIF/DIX features.
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Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 fixes from Ted Ts'o:
"A number of bug fixes for ext4:
- Fix for the new fast_commit feature
- Fix some error handling codepaths in whiteout handling and
mountpoint sampling
- Fix how we write ext4_error information so it goes through the
journal when journalling is active, to avoid races that can lead to
lost error information, superblock checksum failures, or DIF/DIX
features"
* tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: remove expensive flush on fast commit
ext4: fix bug for rename with RENAME_WHITEOUT
ext4: fix wrong list_splice in ext4_fc_cleanup
ext4: use IS_ERR instead of IS_ERR_OR_NULL and set inode null when IS_ERR
ext4: don't leak old mountpoint samples
ext4: drop ext4_handle_dirty_super()
ext4: fix superblock checksum failure when setting password salt
ext4: use sbi instead of EXT4_SB(sb) in ext4_update_super()
ext4: save error info to sb through journal if available
ext4: protect superblock modifications with a buffer lock
ext4: drop sync argument of ext4_commit_super()
ext4: combine ext4_handle_error() and save_error_info()
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Merge tag '5.11-rc3-smb3' of git://git.samba.org/sfrench/cifs-2.6
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
- 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.
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Merge tag 'arm64-fixes' of 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
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>
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: 8c7274691f ("perf machine: Replace MAX_NR_CPUS with perf_env::nr_cpus_online")
Fixes: 7df4e36a47 ("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>
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>
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>
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>
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>
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>
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>
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: cd808deced ("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>
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: aa75f4d3da ("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
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: 8016e29f43 ("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
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: 96be2e0da8 ("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>
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>
To pick up the changes in:
3a176b9460 ("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>
To pick the changes in:
647daca25d ("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>
- 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).
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Merge tag 'acpi-5.11-rc4' of 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
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Merge tag 'for-linus-5.11-rc4-tag' of 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
- Fix address alignment handling for VT-D TLB invalidation
- Enable workarounds for buggy Qualcomm firmware on two more SoCs
- Drop duplicate #include
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Merge tag 'iommu-fixes' of 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()
This is a pull request to add display support for new Ampere hardware.
It has no effect on older GPUs.
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Merge tag 'topic/nouveau-ampere-modeset-2021-01-15' of 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]
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>
The issue is that using SPI from a callback under the CCF lock will
deadlock, since this code uses clk_get_rate().
Fixes: c474b38665 ("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>
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>
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>
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
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Merge tag 'drm-fixes-2021-01-15' of git://anongit.freedesktop.org/drm/drm
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
...
The tracing_on option is supported by bootconfig entries, but the scripts to
convert from ftrace to a bootconfig and back were not updated.
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Merge tag 'trace-v5.11-rc3' of 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
Jiri Olsa says:
====================
hi,
adding the support to have buildid stored in mmap2 event,
so we can bypass the final perf record hunt on build ids.
This patchset allows perf to record build ID in mmap2 event,
and adds perf tooling to store/download binaries to .debug
cache based on these build IDs.
Note that the build id retrieval code is stolen from bpf
code, where it's been used (together with file offsets)
to replace IPs in user space stack traces. It's now added
under lib directory.
v7 changes:
- included only missing kernel patches, cc-ed bpf@vger and
rebased on bpf-next/master [Alexei]
v6 changes:
- last 4 patches rebased Arnaldo's perf/core
v5 changes:
- rebased on latest perf/core
- several patches already pulled in
- fixed trace+probe_vfs_getname.sh output redirection
- fixed changelogs [Arnaldo]
- renamed BUILD_ID_SIZE to BUILD_ID_SIZE_MAX [Song]
v4 changes:
- fixed typo in changelog [Namhyung]
- removed force_download bool from struct dso_store_data,
because it's not used [Namhyung]
v3 changes:
- added acks
- removed forgotten debug code [Arnaldo]
- fixed readlink termination [Ian]
- fixed doc for --debuginfod=URLs [Ian]
- adopted kernel's memchr_inv function and used
it in build_id__is_defined function [Arnaldo]
On recording server:
- on the recording server we can run record with --buildid-mmap
option to store build ids in mmap2 events:
# perf record --buildid-mmap
^C[ perf record: Woken up 2 times to write data ]
[ perf record: Captured and wrote 0.836 MB perf.data ]
- it stores nothing to ~/.debug cache:
# find ~/.debug
find: ‘/root/.debug’: No such file or directory
- and still reports properly:
# perf report --stdio
...
99.82% swapper [kernel.kallsyms] [k] native_safe_halt
0.03% swapper [kernel.kallsyms] [k] finish_task_switch
0.02% swapper [kernel.kallsyms] [k] __softirqentry_text_start
0.01% kcompactd0 [kernel.kallsyms] [k] _raw_spin_unlock_irqrestore
0.01% ksoftirqd/6 [kernel.kallsyms] [k] slab_free_freelist_hook
0.01% kworker/17:1H-x [kernel.kallsyms] [k] slab_free_freelist_hook
- display used/hit build ids:
# perf buildid-list | head -5
5dcec522abf136fcfd3128f47e131f2365834dd7 /proc/kcore
589e403a34f55486bcac848a45e00bcdeedd1ca8 /usr/lib64/libcrypto.so.1.1.1g
94569566d4eac7e9c87ba029d43d4e2158f9527e /usr/lib64/libpthread-2.30.so
559b9702bebe31c6d132c8dc5cc887673d65d5b5 /usr/lib64/libc-2.30.so
40da7abe89f631f60538a17686a7d65c6a02ed31 /usr/lib64/ld-2.30.so
- store build id binaries into build id cache:
# perf buildid-cache -a perf.data
OK 5dcec522abf136fcfd3128f47e131f2365834dd7 /proc/kcore
OK 589e403a34f55486bcac848a45e00bcdeedd1ca8 /usr/lib64/libcrypto.so.1.1.1g
OK 94569566d4eac7e9c87ba029d43d4e2158f9527e /usr/lib64/libpthread-2.30.so
OK 559b9702bebe31c6d132c8dc5cc887673d65d5b5 /usr/lib64/libc-2.30.so
OK 40da7abe89f631f60538a17686a7d65c6a02ed31 /usr/lib64/ld-2.30.so
OK a674f7a47c78e35a088104647b9640710277b489 /usr/sbin/sshd
OK e5cb4ca25f46485bdbc691c3a92e7e111dac3ef2 /usr/bin/bash
OK 9bc8589108223c944b452f0819298a0c3cba6215 /usr/bin/find
# find ~/.debug | head -5
/root/.debug
/root/.debug/proc
/root/.debug/proc/kcore
/root/.debug/proc/kcore/5dcec522abf136fcfd3128f47e131f2365834dd7
/root/.debug/proc/kcore/5dcec522abf136fcfd3128f47e131f2365834dd7/kallsyms
- run debuginfod daemon to provide binaries to another server (below)
(the initialization could take some time)
# debuginfod -F /
On another server:
- copy perf.data from 'record' server and run:
$ find ~/.debug/
find: ‘/home/jolsa/.debug/’: No such file or directory
$ perf buildid-list | head -5
No kallsyms or vmlinux with build-id 5dcec522abf136fcfd3128f47e131f2365834dd7 was found
5dcec522abf136fcfd3128f47e131f2365834dd7 [kernel.kallsyms]
5784f813b727a50cfd3363234aef9fcbab685cc4 /lib/modules/5.10.0-rc2speed+/kernel/fs/xfs/xfs.ko
589e403a34f55486bcac848a45e00bcdeedd1ca8 /usr/lib64/libcrypto.so.1.1.1g
94569566d4eac7e9c87ba029d43d4e2158f9527e /usr/lib64/libpthread-2.30.so
559b9702bebe31c6d132c8dc5cc887673d65d5b5 /usr/lib64/libc-2.30.so
- report does not show anything (kernel build id does not match):
$ perf report --stdio
...
76.73% swapper [kernel.kallsyms] [k] 0xffffffff81aa8ebe
1.89% find [kernel.kallsyms] [k] 0xffffffff810f2167
0.93% sshd [kernel.kallsyms] [k] 0xffffffff8153380c
0.83% swapper [kernel.kallsyms] [k] 0xffffffff81104b0b
0.71% kworker/u40:2-e [kernel.kallsyms] [k] 0xffffffff810f3850
0.70% kworker/u40:0-e [kernel.kallsyms] [k] 0xffffffff810f3850
0.64% find [kernel.kallsyms] [k] 0xffffffff81a9ba0a
0.63% find [kernel.kallsyms] [k] 0xffffffff81aa93b0
- add build ids does not work, because existing binaries (on another server)
have different build ids:
$ perf buildid-cache -a perf.data
No kallsyms or vmlinux with build-id 5dcec522abf136fcfd3128f47e131f2365834dd7 was found
FAIL 5dcec522abf136fcfd3128f47e131f2365834dd7 [kernel.kallsyms]
FAIL 5784f813b727a50cfd3363234aef9fcbab685cc4 /lib/modules/5.10.0-rc2speed+/kernel/fs/xfs/xfs.ko
FAIL 589e403a34f55486bcac848a45e00bcdeedd1ca8 /usr/lib64/libcrypto.so.1.1.1g
FAIL 94569566d4eac7e9c87ba029d43d4e2158f9527e /usr/lib64/libpthread-2.30.so
FAIL 559b9702bebe31c6d132c8dc5cc887673d65d5b5 /usr/lib64/libc-2.30.so
FAIL 40da7abe89f631f60538a17686a7d65c6a02ed31 /usr/lib64/ld-2.30.so
FAIL a674f7a47c78e35a088104647b9640710277b489 /usr/sbin/sshd
FAIL e5cb4ca25f46485bdbc691c3a92e7e111dac3ef2 /usr/bin/bash
FAIL 9bc8589108223c944b452f0819298a0c3cba6215 /usr/bin/find
- add build ids with debuginfod setup pointing to record server:
$ perf buildid-cache -a perf.data --debuginfod http://192.168.122.174:8002
No kallsyms or vmlinux with build-id 5dcec522abf136fcfd3128f47e131f2365834dd7 was found
OK 5dcec522abf136fcfd3128f47e131f2365834dd7 [kernel.kallsyms]
OK 5784f813b727a50cfd3363234aef9fcbab685cc4 /lib/modules/5.10.0-rc2speed+/kernel/fs/xfs/xfs.ko
OK 589e403a34f55486bcac848a45e00bcdeedd1ca8 /usr/lib64/libcrypto.so.1.1.1g
OK 94569566d4eac7e9c87ba029d43d4e2158f9527e /usr/lib64/libpthread-2.30.so
OK 559b9702bebe31c6d132c8dc5cc887673d65d5b5 /usr/lib64/libc-2.30.so
OK 40da7abe89f631f60538a17686a7d65c6a02ed31 /usr/lib64/ld-2.30.so
OK a674f7a47c78e35a088104647b9640710277b489 /usr/sbin/sshd
OK e5cb4ca25f46485bdbc691c3a92e7e111dac3ef2 /usr/bin/bash
OK 9bc8589108223c944b452f0819298a0c3cba6215 /usr/bin/find
- and report works:
$ perf report --stdio
...
76.73% swapper [kernel.kallsyms] [k] native_safe_halt
1.91% find [kernel.kallsyms] [k] queue_work_on
0.93% sshd [kernel.kallsyms] [k] iowrite16
0.83% swapper [kernel.kallsyms] [k] finish_task_switch
0.72% kworker/u40:2-e [kernel.kallsyms] [k] process_one_work
0.70% kworker/u40:0-e [kernel.kallsyms] [k] process_one_work
0.64% find [kernel.kallsyms] [k] syscall_enter_from_user_mode
0.63% find [kernel.kallsyms] [k] _raw_spin_unlock_irqrestore
- because we have the data in build id cache:
$ find ~/.debug | head -10
.../.debug
.../.debug/home
.../.debug/home/jolsa
.../.debug/home/jolsa/.cache
.../.debug/home/jolsa/.cache/debuginfod_client
.../.debug/home/jolsa/.cache/debuginfod_client/5dcec522abf136fcfd3128f47e131f2365834dd7
.../.debug/home/jolsa/.cache/debuginfod_client/5dcec522abf136fcfd3128f47e131f2365834dd7/executable
.../.debug/home/jolsa/.cache/debuginfod_client/5dcec522abf136fcfd3128f47e131f2365834dd7/executable/5dcec522abf136fcfd3128f47e131f2365834dd7
.../.debug/home/jolsa/.cache/debuginfod_client/5dcec522abf136fcfd3128f47e131f2365834dd7/executable/5dcec522abf136fcfd3128f47e131f2365834dd7/elf
.../.debug/home/jolsa/.cache/debuginfod_client/5dcec522abf136fcfd3128f47e131f2365834dd7/executable/5dcec522abf136fcfd3128f47e131f2365834dd7/debug
Available also in:
git://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git
perf/build_id
thanks,
jirka
====================
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Adding support to carry build id data in mmap2 event.
The build id data replaces maj/min/ino/ino_generation
fields, which are also used to identify map's binary,
so it's ok to replace them with build id data:
union {
struct {
u32 maj;
u32 min;
u64 ino;
u64 ino_generation;
};
struct {
u8 build_id_size;
u8 __reserved_1;
u16 __reserved_2;
u8 build_id[20];
};
};
Replaced maj/min/ino/ino_generation fields give us size
of 24 bytes. We use 20 bytes for build id data, 1 byte
for size and rest is unused.
There's new misc bit for mmap2 to signal there's build
id data in it:
#define PERF_RECORD_MISC_MMAP_BUILD_ID (1 << 14)
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/bpf/20210114134044.1418404-4-jolsa@kernel.org
It's possible to have other build id types (other than default SHA1).
Currently there's also ld support for MD5 build id.
Adding size argument to build_id_parse function, that returns (if defined)
size of the parsed build id, so we can recognize the build id type.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20210114134044.1418404-3-jolsa@kernel.org
Moving stack_map_get_build_id into lib with
declaration in linux/buildid.h header:
int build_id_parse(struct vm_area_struct *vma, unsigned char *build_id);
This function returns build id for given struct vm_area_struct.
There is no functional change to stack_map_get_build_id function.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Song Liu <songliubraving@fb.com>
Link: https://lore.kernel.org/bpf/20210114134044.1418404-2-jolsa@kernel.org
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
