Commit Graph

1122454 Commits

Author SHA1 Message Date
Heming Zhao
550842cc60 ocfs2: fix freeing uninitialized resource on ocfs2_dlm_shutdown
After commit 0737e01de9 ("ocfs2: ocfs2_mount_volume does cleanup job
before return error"), any procedure after ocfs2_dlm_init() fails will
trigger crash when calling ocfs2_dlm_shutdown().

ie: On local mount mode, no dlm resource is initialized.  If
ocfs2_mount_volume() fails in ocfs2_find_slot(), error handling will call
ocfs2_dlm_shutdown(), then does dlm resource cleanup job, which will
trigger kernel crash.

This solution should bypass uninitialized resources in
ocfs2_dlm_shutdown().

Link: https://lkml.kernel.org/r/20220815085754.20417-1-heming.zhao@suse.com
Fixes: 0737e01de9 ("ocfs2: ocfs2_mount_volume does cleanup job before return error")
Signed-off-by: Heming Zhao <heming.zhao@suse.com>
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Changwei Ge <gechangwei@live.cn>
Cc: Gang He <ghe@suse.com>
Cc: Jun Piao <piaojun@huawei.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-08-28 14:02:45 -07:00
Shakeel Butt
dbb16df644 Revert "memcg: cleanup racy sum avoidance code"
This reverts commit 96e51ccf1a.

Recently we started running the kernel with rstat infrastructure on
production traffic and begin to see negative memcg stats values. 
Particularly the 'sock' stat is the one which we observed having negative
value.

$ grep "sock " /mnt/memory/job/memory.stat
sock 253952
total_sock 18446744073708724224

Re-run after couple of seconds

$ grep "sock " /mnt/memory/job/memory.stat
sock 253952
total_sock 53248

For now we are only seeing this issue on large machines (256 CPUs) and
only with 'sock' stat.  I think the networking stack increase the stat on
one cpu and decrease it on another cpu much more often.  So, this negative
sock is due to rstat flusher flushing the stats on the CPU that has seen
the decrement of sock but missed the CPU that has increments.  A typical
race condition.

For easy stable backport, revert is the most simple solution.  For long
term solution, I am thinking of two directions.  First is just reduce the
race window by optimizing the rstat flusher.  Second is if the reader sees
a negative stat value, force flush and restart the stat collection. 
Basically retry but limited.

Link: https://lkml.kernel.org/r/20220817172139.3141101-1-shakeelb@google.com
Fixes: 96e51ccf1a ("memcg: cleanup racy sum avoidance code")
Signed-off-by: Shakeel Butt <shakeelb@google.com>
Cc: "Michal Koutný" <mkoutny@suse.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Cc: Muchun Song <songmuchun@bytedance.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Yosry Ahmed <yosryahmed@google.com>
Cc: Greg Thelen <gthelen@google.com>
Cc: <stable@vger.kernel.org>	[5.15]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-08-28 14:02:44 -07:00
Sergey Senozhatsky
a5d2172180 mm/zsmalloc: do not attempt to free IS_ERR handle
zsmalloc() now returns ERR_PTR values as handles, which zram accidentally
can pass to zs_free().  Another bad scenario is when zcomp_compress()
fails - handle has default -ENOMEM value, and zs_free() will try to free
that "pointer value".

Add the missing check and make sure that zs_free() bails out when
ERR_PTR() is passed to it.

Link: https://lkml.kernel.org/r/20220816050906.2583956-1-senozhatsky@chromium.org
Fixes: c7e6f17b52 ("zsmalloc: zs_malloc: return ERR_PTR on failure")
Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Nitin Gupta <ngupta@vflare.org>,
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-08-28 14:02:44 -07:00
Liam Howlett
44e602b4e5 binder_alloc: add missing mmap_lock calls when using the VMA
Take the mmap_read_lock() when using the VMA in binder_alloc_print_pages()
and when checking for a VMA in binder_alloc_new_buf_locked().

It is worth noting binder_alloc_new_buf_locked() drops the VMA read lock
after it verifies a VMA exists, but may be taken again deeper in the call
stack, if necessary.

Link: https://lkml.kernel.org/r/20220810160209.1630707-1-Liam.Howlett@oracle.com
Fixes: a43cfc87ca (android: binder: stop saving a pointer to the VMA)
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Reported-by: Ondrej Mosnacek <omosnace@redhat.com>
Reported-by: <syzbot+a7b60a176ec13cafb793@syzkaller.appspotmail.com>
Acked-by: Carlos Llamas <cmllamas@google.com>
Tested-by: Ondrej Mosnacek <omosnace@redhat.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Christian Brauner (Microsoft) <brauner@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Hridya Valsaraju <hridya@google.com>
Cc: Joel Fernandes <joel@joelfernandes.org>
Cc: Martijn Coenen <maco@android.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Todd Kjos <tkjos@android.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: "Arve Hjønnevåg" <arve@android.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-08-28 14:02:44 -07:00
Alex Williamson
fcab34b433 mm: re-allow pinning of zero pfns (again)
The below referenced commit makes the same error as 1c56343258 ("mm: fix
is_pinnable_page against a cma page"), re-interpreting the logic to
exclude pinning of the zero page, which breaks device assignment with
vfio.

To avoid further subtle mistakes, split the logic into discrete tests.

[akpm@linux-foundation.org: simplify comment, per John]
Link: https://lkml.kernel.org/r/166015037385.760108.16881097713975517242.stgit@omen
Link: https://lore.kernel.org/all/165490039431.944052.12458624139225785964.stgit@omen
Fixes: f25cbb7a95 ("mm: add zone device coherent type memory support")
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Suggested-by: Matthew Wilcox <willy@infradead.org>
Suggested-by: Felix Kuehling <felix.kuehling@amd.com>
Tested-by: Slawomir Laba <slawomirx.laba@intel.com>
Reviewed-by: John Hubbard <jhubbard@nvidia.com>
Cc: Alex Sierra <alex.sierra@amd.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Alistair Popple <apopple@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-08-28 14:02:44 -07:00
Stephen Brennan
f09bddbd86 vmcoreinfo: add kallsyms_num_syms symbol
The rest of the kallsyms symbols are useless without knowing the number of
symbols in the table.  In an earlier patch, I somehow dropped the
kallsyms_num_syms symbol, so add it back in.

Link: https://lkml.kernel.org/r/20220808205410.18590-1-stephen.s.brennan@oracle.com
Fixes: 5fd8fea935 ("vmcoreinfo: include kallsyms symbols")
Signed-off-by: Stephen Brennan <stephen.s.brennan@oracle.com>
Cc: Baoquan He <bhe@redhat.com>
Cc: Dave Young <dyoung@redhat.com>
Cc: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-08-28 14:02:44 -07:00
Guilherme G. Piccoli
6c26d17eea mailmap: update Guilherme G. Piccoli's email addresses
Both @canonical and @ibm email addresses are invalid now; use my personal
address instead.

Link: https://lkml.kernel.org/r/20220804202207.439427-1-gpiccoli@igalia.com
Signed-off-by: Guilherme G. Piccoli <gpiccoli@igalia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-08-28 14:02:43 -07:00
Khazhismel Kumykov
f87904c075 writeback: avoid use-after-free after removing device
When a disk is removed, bdi_unregister gets called to stop further
writeback and wait for associated delayed work to complete.  However,
wb_inode_writeback_end() may schedule bandwidth estimation dwork after
this has completed, which can result in the timer attempting to access the
just freed bdi_writeback.

Fix this by checking if the bdi_writeback is alive, similar to when
scheduling writeback work.

Since this requires wb->work_lock, and wb_inode_writeback_end() may get
called from interrupt, switch wb->work_lock to an irqsafe lock.

Link: https://lkml.kernel.org/r/20220801155034.3772543-1-khazhy@google.com
Fixes: 45a2966fd6 ("writeback: fix bandwidth estimate for spiky workload")
Signed-off-by: Khazhismel Kumykov <khazhy@google.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: Michael Stapelberg <stapelberg+linux@google.com>
Cc: Wu Fengguang <fengguang.wu@intel.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-08-28 14:02:43 -07:00
Matthew Wilcox (Oracle)
9dfb3b8d65 shmem: update folio if shmem_replace_page() updates the page
If we allocate a new page, we need to make sure that our folio matches
that new page.

If we do end up in this code path, we store the wrong page in the shmem
inode's page cache, and I would rather imagine that data corruption
ensues.

This will be solved by changing shmem_replace_page() to
shmem_replace_folio(), but this is the minimal fix.

Link: https://lkml.kernel.org/r/20220730042518.1264767-1-willy@infradead.org
Fixes: da08e9b793 ("mm/shmem: convert shmem_swapin_page() to shmem_swapin_folio()")
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-08-28 14:02:43 -07:00
Miaohe Lin
ab74ef708d mm/hugetlb: avoid corrupting page->mapping in hugetlb_mcopy_atomic_pte
In MCOPY_ATOMIC_CONTINUE case with a non-shared VMA, pages in the page
cache are installed in the ptes.  But hugepage_add_new_anon_rmap is called
for them mistakenly because they're not vm_shared.  This will corrupt the
page->mapping used by page cache code.

Link: https://lkml.kernel.org/r/20220712130542.18836-1-linmiaohe@huawei.com
Fixes: f619147104 ("userfaultfd: add UFFDIO_CONTINUE ioctl")
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Axel Rasmussen <axelrasmussen@google.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-08-28 14:02:43 -07:00
Linus Torvalds
8379c0b31f for-6.0-rc3-tag
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Merge tag 'for-6.0-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux

Pull btrfs fixes from David Sterba:
 "Fixes:

   - check that subvolume is writable when changing xattrs from security
     namespace

   - fix memory leak in device lookup helper

   - update generation of hole file extent item when merging holes

   - fix space cache corruption and potential double allocations; this
     is a rare bug but can be serious once it happens, stable backports
     and analysis tool will be provided

   - fix error handling when deleting root references

   - fix crash due to assert when attempting to cancel suspended device
     replace, add message what to do if mount fails due to missing
     replace item

  Regressions:

   - don't merge pages into bio if their page offset is not contiguous

   - don't allow large NOWAIT direct reads, this could lead to short
     reads eg. in io_uring"

* tag 'for-6.0-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
  btrfs: add info when mount fails due to stale replace target
  btrfs: replace: drop assert for suspended replace
  btrfs: fix silent failure when deleting root reference
  btrfs: fix space cache corruption and potential double allocations
  btrfs: don't allow large NOWAIT direct reads
  btrfs: don't merge pages into bio if their page offset is not contiguous
  btrfs: update generation of hole file extent item when merging holes
  btrfs: fix possible memory leak in btrfs_get_dev_args_from_path()
  btrfs: check if root is readonly while setting security xattr
2022-08-28 10:44:04 -07:00
Linus Torvalds
c7bb3fbc1b 5 cifs/smb3 fixes, three for stable
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Merge tag '6.0-rc2-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6

Pull cfis fixes from Steve French:

 - two locking fixes (zero range, punch hole)

 - DFS 9 fix (padding), affecting some servers

 - three minor cleanup changes

* tag '6.0-rc2-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: Add helper function to check smb1+ server
  cifs: Use help macro to get the mid header size
  cifs: Use help macro to get the header preamble size
  cifs: skip extra NULL byte in filenames
  smb3: missing inode locks in punch hole
  smb3: missing inode locks in zero range
2022-08-28 10:35:16 -07:00
Linus Torvalds
2f23a7c914 Misc fixes:
- Fix PAT on Xen, which caused i915 driver failures
  - Fix compat INT 80 entry crash on Xen PV guests
  - Fix 'MMIO Stale Data' mitigation status reporting on older Intel CPUs
  - Fix RSB stuffing regressions
  - Fix ORC unwinding on ftrace trampolines
  - Add Intel Raptor Lake CPU model number
  - Fix (work around) a SEV-SNP bootloader bug providing bogus values in
    boot_params->cc_blob_address, by ignoring the value on !SEV-SNP bootups.
  - Fix SEV-SNP early boot failure
  - Fix the objtool list of noreturn functions and annotate snp_abort(),
    which bug confused objtool on gcc-12.
  - Fix the documentation for retbleed
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-urgent-2022-08-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull misc x86 fixes from Ingo Molnar:

 - Fix PAT on Xen, which caused i915 driver failures

 - Fix compat INT 80 entry crash on Xen PV guests

 - Fix 'MMIO Stale Data' mitigation status reporting on older Intel CPUs

 - Fix RSB stuffing regressions

 - Fix ORC unwinding on ftrace trampolines

 - Add Intel Raptor Lake CPU model number

 - Fix (work around) a SEV-SNP bootloader bug providing bogus values in
   boot_params->cc_blob_address, by ignoring the value on !SEV-SNP
   bootups.

 - Fix SEV-SNP early boot failure

 - Fix the objtool list of noreturn functions and annotate snp_abort(),
   which bug confused objtool on gcc-12.

 - Fix the documentation for retbleed

* tag 'x86-urgent-2022-08-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  Documentation/ABI: Mention retbleed vulnerability info file for sysfs
  x86/sev: Mark snp_abort() noreturn
  x86/sev: Don't use cc_platform_has() for early SEV-SNP calls
  x86/boot: Don't propagate uninitialized boot_params->cc_blob_address
  x86/cpu: Add new Raptor Lake CPU model number
  x86/unwind/orc: Unwind ftrace trampolines with correct ORC entry
  x86/nospec: Fix i386 RSB stuffing
  x86/nospec: Unwreck the RSB stuffing
  x86/bugs: Add "unknown" reporting for MMIO Stale Data
  x86/entry: Fix entry_INT80_compat for Xen PV guests
  x86/PAT: Have pat_enabled() properly reflect state when running on Xen
2022-08-28 10:10:23 -07:00
Linus Torvalds
4459d800f7 Misc fixes: an Arch-LBR fix, a PEBS enumeration fix, an Intel DS fix,
PEBS constraints fix on Alder Lake CPUs and an Intel uncore PMU fix.
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'perf-urgent-2022-08-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 perf fixes from Ingo Molnar:
 "Misc fixes: an Arch-LBR fix, a PEBS enumeration fix, an Intel DS fix,
  PEBS constraints fix on Alder Lake CPUs and an Intel uncore PMU fix"

* tag 'perf-urgent-2022-08-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/x86/intel/uncore: Fix broken read_counter() for SNB IMC PMU
  perf/x86/intel: Fix pebs event constraints for ADL
  perf/x86/intel/ds: Fix precise store latency handling
  perf/x86/core: Set pebs_capable and PMU_FL_PEBS_ALL for the Baseline
  perf/x86/lbr: Enable the branch type for the Arch LBR by default
2022-08-28 10:05:42 -07:00
Linus Torvalds
611875d510 perf tools fixes for v6.0: 2nd batch
- Fixup setup of weak groups when using 'perf stat --repeat', add a
   'perf test' for it.
 
 - Fix memory leaks in 'perf sched record' detected with -fsanitize=address.
 
 - Fix build when PYTHON_CONFIG is user supplied.
 
 - Capitalize topdown metrics' names in 'perf stat', so that the output,
   sometimes parsed, matches the Intel SDM docs.
 
 - Make sure the documentation for the save_type filter about Intel
   systems with Arch LBR support (12th-Gen+ client or 4th-Gen Xeon+
   server) reflects recent related kernel changes.
 
 - Fix 'perf record' man page formatting of description of support to hybrid systems.
 
 - Update arm64´s  KVM header from the kernel sources.
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-tools-fixes-for-v6.0-2022-08-27' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux

Pull perf tools fixes from Arnaldo Carvalho de Melo:

 - Fixup setup of weak groups when using 'perf stat --repeat', add a
   'perf test' for it.

 - Fix memory leaks in 'perf sched record' detected with
   -fsanitize=address.

 - Fix build when PYTHON_CONFIG is user supplied.

 - Capitalize topdown metrics' names in 'perf stat', so that the output,
   sometimes parsed, matches the Intel SDM docs.

 - Make sure the documentation for the save_type filter about Intel
   systems with Arch LBR support (12th-Gen+ client or 4th-Gen Xeon+
   server) reflects recent related kernel changes.

 - Fix 'perf record' man page formatting of description of support to
   hybrid systems.

 - Update arm64´s KVM header from the kernel sources.

* tag 'perf-tools-fixes-for-v6.0-2022-08-27' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux:
  perf stat: Capitalize topdown metrics' names
  perf docs: Update the documentation for the save_type filter
  perf sched: Fix memory leaks in __cmd_record detected with -fsanitize=address
  perf record: Fix manpage formatting of description of support to hybrid systems
  perf test: Stat test for repeat with a weak group
  perf stat: Clear evsel->reset_group for each stat run
  tools kvm headers arm64: Update KVM header from the kernel sources
  perf python: Fix build when PYTHON_CONFIG is user supplied
2022-08-28 09:58:00 -07:00
Linus Torvalds
10d4879f9e Thermal control fixes for 6.0-rc3
- Add missing EXPORT_SYMBOL_GPL in the thermal core and add back the
    required 'trips' property to the thermal zone DT bindings (Daniel
    Lezcano).
 
  - Prevent the int340x_thermal driver from crashing when a package
    with a buffer of 0 length is returned by an ACPI control method
    evaluated by it (Lee, Chun-Yi).
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Merge tag 'thermal-6.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull thermal control fixes from Rafael Wysocki:
 "Fix two issues introduced recently and one driver problem leading to a
  NULL pointer dereference in some cases.

  Specifics:

   - Add missing EXPORT_SYMBOL_GPL in the thermal core and add back the
     required 'trips' property to the thermal zone DT bindings (Daniel
     Lezcano)

   - Prevent the int340x_thermal driver from crashing when a package
     with a buffer of 0 length is returned by an ACPI control method
     evaluated by it (Lee, Chun-Yi)"

* tag 'thermal-6.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  thermal/int340x_thermal: handle data_vault when the value is ZERO_SIZE_PTR
  dt-bindings: thermal: Fix missing required property
  thermal/core: Add missing EXPORT_SYMBOL_GPL
2022-08-27 15:58:38 -07:00
Linus Torvalds
b98f602df7 Power management fix for 6.0-rc3
Make __resolve_freq() check the presence of the frequency table
 instead of checking whether or not the ->target_index() callback
 is implemented by the driver, because that need not be the case when
 __resolve_freq() is used (Lukasz Luba).
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Merge tag 'pm-6.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management fix from Rafael Wysocki:
 "Make __resolve_freq() check the presence of the frequency table
  instead of checking whether or not the ->target_index() callback is
  implemented by the driver, because that need not be the case when
  __resolve_freq() is used (Lukasz Luba)"

* tag 'pm-6.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  cpufreq: check only freq_table in __resolve_freq()
2022-08-27 15:53:49 -07:00
Linus Torvalds
2b1ddb5950 ACPI fixes for 6.0-rc3
- Prevent acpi_thermal_cpufreq_exit() from attempting to remove
    the same frequency QoS request for multiple times (Riwen Lu).
 
  - Fix type detection for integer ACPI device properties (Stefan
    Binding).
 
  - Avoid emitting false-positive warnings when processing ACPI
    device properties and drop the useless default case from the
    acpi_copy_property_array_uint() macro (Sakari Ailus).
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Merge tag 'acpi-6.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI fixes from Rafael Wysocki:
 "These fix issues introduced by recent changes related to the handling
  of ACPI device properties and a coding mistake in the exit path of the
  ACPI processor driver.

  Specifics:

   - Prevent acpi_thermal_cpufreq_exit() from attempting to remove
     the same frequency QoS request multiple times (Riwen Lu)

   - Fix type detection for integer ACPI device properties (Stefan
     Binding)

   - Avoid emitting false-positive warnings when processing ACPI
     device properties and drop the useless default case from the
     acpi_copy_property_array_uint() macro (Sakari Ailus)"

* tag 'acpi-6.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI: property: Remove default association from integer maximum values
  ACPI: property: Ignore already existing data node tags
  ACPI: property: Fix type detection of unified integer reading functions
  ACPI: processor: Remove freq Qos request for all CPUs
2022-08-27 15:47:02 -07:00
Linus Torvalds
dee1873796 s390 updates for 6.0-rc3
- Fix double free of guarded storage and runtime instrumentation control
   blocks on fork() failure.
 
 - Fix triggering write fault when VMA does not allow VM_WRITE.
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Merge tag 's390-6.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull s390 fixes from Vasily Gorbik:

 - Fix double free of guarded storage and runtime instrumentation
   control blocks on fork() failure

 - Fix triggering write fault when VMA does not allow VM_WRITE

* tag 's390-6.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/mm: do not trigger write fault when vma does not allow VM_WRITE
  s390: fix double free of GS and RI CBs on fork() failure
2022-08-27 15:40:51 -07:00
Linus Torvalds
05519f2480 xen: branch for v6.0-rc3
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Merge tag 'for-linus-6.0-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen fixes from Juergen Gross:

 - two minor cleanups

 - a fix of the xen/privcmd driver avoiding a possible NULL dereference
   in an error case

* tag 'for-linus-6.0-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen/privcmd: fix error exit of privcmd_ioctl_dm_op()
  xen: move from strlcpy with unused retval to strscpy
  xen: x86: remove setting the obsolete config XEN_MAX_DOMAIN_MEMORY
2022-08-27 15:38:00 -07:00
Linus Torvalds
17b28d4267 audit/stable-6.0 PR 20220826
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Merge tag 'audit-pr-20220826' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit

Pull audit fix from Paul Moore:
 "Another small audit patch, this time to fix a bug where the return
  codes were not properly set before the audit filters were run,
  potentially resulting in missed audit records"

* tag 'audit-pr-20220826' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit:
  audit: move audit_return_fixup before the filters
2022-08-27 15:31:12 -07:00
Linus Torvalds
89b749d855 fbdev fixes and updates for kernel 6.0-rc3
Major fixes:
 - Revert the changes for fbcon console when vc_resize() fails [Shigeru Yoshida]
 - Avoid a potential divide by zero error in fb_pm2fb [Letu Ren]
 
 Minor fixes:
 - Add missing pci_disable_device() in chipsfb_pci_init() [Yang Yingliang]
 - Fix tests for platform_get_irq() failure in omapfb [Yu Zhe]
 - Destroy mutex on freeing struct fb_info in fbsysfs [Shigeru Yoshida]
 
 Cleanups:
 - Move fbdev drivers from strlcpy to strscpy [Wolfram Sang]
 - Indenting fixes, comment fixes, ... [Jiapeng Chong & Jilin Yuan]
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Merge tag 'fbdev-for-6.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev

Pull fbdev fixes and updates from Helge Deller:
 "Mostly just small patches, with the exception of the bigger indenting
  cleanups in the sisfb and radeonfb drivers.

  Two patches should be mentioned though: A fix-up for fbdev if the
  screen resize fails (by Shigeru Yoshida), and a potential divide by
  zero fix in fb_pm2fb (by Letu Ren).

  Summary:

  Major fixes:
   - Revert the changes for fbcon console when vc_resize() fails
     [Shigeru Yoshida]
   - Avoid a potential divide by zero error in fb_pm2fb [Letu Ren]

  Minor fixes:
   - Add missing pci_disable_device() in chipsfb_pci_init() [Yang
     Yingliang]
   - Fix tests for platform_get_irq() failure in omapfb [Yu Zhe]
   - Destroy mutex on freeing struct fb_info in fbsysfs [Shigeru
     Yoshida]

  Cleanups:
   - Move fbdev drivers from strlcpy to strscpy [Wolfram Sang]
   - Indenting fixes, comment fixes, ... [Jiapeng Chong & Jilin Yuan]"

* tag 'fbdev-for-6.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev:
  fbdev: fbcon: Properly revert changes when vc_resize() failed
  fbdev: Move fbdev drivers from strlcpy to strscpy
  fbdev: omap: Remove unnecessary print function dev_err()
  fbdev: chipsfb: Add missing pci_disable_device() in chipsfb_pci_init()
  fbdev: fbcon: Destroy mutex on freeing struct fb_info
  fbdev: radeon: Clean up some inconsistent indenting
  fbdev: sisfb: Clean up some inconsistent indenting
  fbdev: fb_pm2fb: Avoid potential divide by zero error
  fbdev: ssd1307fb: Fix repeated words in comments
  fbdev: omapfb: Fix tests for platform_get_irq() failure
2022-08-27 09:57:58 -07:00
Mikulas Patocka
d6ffe6067a provide arch_test_bit_acquire for architectures that define test_bit
Some architectures define their own arch_test_bit and they also need
arch_test_bit_acquire, otherwise they won't compile.  We also clean up
the code by using the generic test_bit if that is equivalent to the
arch-specific version.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Cc: stable@vger.kernel.org
Fixes: 8238b45798 ("wait_on_bit: add an acquire memory barrier")
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-08-27 09:49:54 -07:00
Zhengjun Xing
48648548ef perf stat: Capitalize topdown metrics' names
Capitalize topdown metrics' names to follow the intel SDM.

Before:

 # ./perf stat -a  sleep 1

 Performance counter stats for 'system wide':

        228,094.05 msec cpu-clock                        #  225.026 CPUs utilized
               842      context-switches                 #    3.691 /sec
               224      cpu-migrations                   #    0.982 /sec
                70      page-faults                      #    0.307 /sec
        23,164,105      cycles                           #    0.000 GHz
        29,403,446      instructions                     #    1.27  insn per cycle
         5,268,185      branches                         #   23.097 K/sec
            33,239      branch-misses                    #    0.63% of all branches
       136,248,990      slots                            #  597.337 K/sec
        32,976,450      topdown-retiring                 #     24.2% retiring
         4,651,918      topdown-bad-spec                 #      3.4% bad speculation
        26,148,695      topdown-fe-bound                 #     19.2% frontend bound
        72,515,776      topdown-be-bound                 #     53.2% backend bound
         6,008,540      topdown-heavy-ops                #      4.4% heavy operations       #     19.8% light operations
         3,934,049      topdown-br-mispredict            #      2.9% branch mispredict      #      0.5% machine clears
        16,655,439      topdown-fetch-lat                #     12.2% fetch latency          #      7.0% fetch bandwidth
        41,635,972      topdown-mem-bound                #     30.5% memory bound           #     22.7% Core bound

       1.013634593 seconds time elapsed

After:

 # ./perf stat -a  sleep 1

 Performance counter stats for 'system wide':

        228,081.94 msec cpu-clock                        #  225.003 CPUs utilized
               824      context-switches                 #    3.613 /sec
               224      cpu-migrations                   #    0.982 /sec
                67      page-faults                      #    0.294 /sec
        22,647,423      cycles                           #    0.000 GHz
        28,870,551      instructions                     #    1.27  insn per cycle
         5,167,099      branches                         #   22.655 K/sec
            32,383      branch-misses                    #    0.63% of all branches
       133,411,074      slots                            #  584.926 K/sec
        32,352,607      topdown-retiring                 #     24.3% Retiring
         4,456,977      topdown-bad-spec                 #      3.3% Bad Speculation
        25,626,487      topdown-fe-bound                 #     19.2% Frontend Bound
        70,955,316      topdown-be-bound                 #     53.2% Backend Bound
         5,834,844      topdown-heavy-ops                #      4.4% Heavy Operations       #     19.9% Light Operations
         3,738,781      topdown-br-mispredict            #      2.8% Branch Mispredict      #      0.5% Machine Clears
        16,286,803      topdown-fetch-lat                #     12.2% Fetch Latency          #      7.0% Fetch Bandwidth
        40,802,069      topdown-mem-bound                #     30.6% Memory Bound           #     22.6% Core Bound

       1.013683125 seconds time elapsed

Reviewed-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220825015458.3252239-1-zhengjun.xing@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-08-27 11:55:17 -03:00
Kan Liang
3126204ce3 perf docs: Update the documentation for the save_type filter
Update the documentation to reflect the kernel changes.

Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: https://lore.kernel.org/r/20220816125612.2042397-2-kan.liang@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-08-27 11:55:17 -03:00
Ian Rogers
d72e5cf3cf perf sched: Fix memory leaks in __cmd_record detected with -fsanitize=address
An array of strings is passed to cmd_record but not freed. As
cmd_record modifies the array, add another array as a copy that can be
mutated allowing the original array contents to all be freed.

Detected with -fsanitize=address.

Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: https://lore.kernel.org/r/20220824145733.409005-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-08-27 11:55:17 -03:00
Andi Kleen
e89eaa611c perf record: Fix manpage formatting of description of support to hybrid systems
The Intel hybrid description is written in a different style than the
rest of the perf record man page. There were some new command line
options added after it which resulted in very strange section ordering.
Move the hybrid include last.

Also the sub sections in the hybrid document don't fit the record
manpage well (especially since it talks about all kinds of unrelated
commands). I left this for now, but would be better to separate this
properly in the different man pages.

It would be better to use sub sections for the other sections, but these
don't seem to be supported in AsciiDoc?

Some of the examples are still misrendered in the manpage with an
indented troff command, but I don't know how to fix that.

In any case it's now better than before.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Cc: zhengjun.xing@intel.com
Link: https://lore.kernel.org/r/20220818100127.249401-1-ak@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-08-27 11:55:17 -03:00
Ian Rogers
0c361c6eab perf test: Stat test for repeat with a weak group
Breaking a weak group requires multiple passes of an evlist, with
multiple runs this can introduce bugs ultimately leading to
segfaults. Add a test to cover this.

Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@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: https://lore.kernel.org/r/20220822213352.75721-2-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-08-27 11:55:17 -03:00
Ian Rogers
bf515f024e perf stat: Clear evsel->reset_group for each stat run
If a weak group is broken then the reset_group flag remains set for
the next run. Having reset_group set means the counter isn't created
and ultimately a segfault.

A simple reproduction of this is:

  # perf stat -r2 -e '{cycles,cycles,cycles,cycles,cycles,cycles,cycles,cycles,cycles,cycles}:W

which will be added as a test in the next patch.

Fixes: 4804e01116 ("perf stat: Use affinity for opening events")
Reviewed-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Ian Rogers <irogers@google.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Tested-by: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@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: https://lore.kernel.org/r/20220822213352.75721-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-08-27 11:55:17 -03:00
Arnaldo Carvalho de Melo
dbcfe5ec3f tools kvm headers arm64: Update KVM header from the kernel sources
To pick the changes from:

  ae3b1da954 ("KVM: arm64: Fix compile error due to sign extension")

That doesn't result in any changes in tooling (when built on x86), only
addresses this perf build warning:

  Warning: Kernel ABI header at 'tools/arch/arm64/include/uapi/asm/kvm.h' differs from latest version at 'arch/arm64/include/uapi/asm/kvm.h'
  diff -u tools/arch/arm64/include/uapi/asm/kvm.h arch/arm64/include/uapi/asm/kvm.h

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/all/YwOMCCc4E79FuvDe@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-08-27 11:55:16 -03:00
James Clark
bc9e7fe313 perf python: Fix build when PYTHON_CONFIG is user supplied
The previous change to Python autodetection had a small mistake where
the auto value was used to determine the Python binary, rather than the
user supplied value. The Python binary is only used for one part of the
build process, rather than the final linking, so it was producing
correct builds in most scenarios, especially when the auto detected
value matched what the user wanted, or the system only had a valid set
of Pythons.

Change it so that the Python binary path is derived from either the
PYTHON_CONFIG value or PYTHON value, depending on what is specified by
the user. This was the original intention.

This error was spotted in a build failure an odd cross compilation
environment after commit 4c41cb46a7 ("perf python: Prefer
python3") was merged.

Fixes: 630af16eee ("perf tools: Use Python devtools for version autodetection rather than runtime")
Signed-off-by: James Clark <james.clark@arm.com>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220728093946.1337642-1-james.clark@arm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-08-27 11:55:16 -03:00
Rafael J. Wysocki
3bf1b15712 Merge branch 'thermal-core'
Merge thermal control core fixes for 6.0-rc3:

 - Fix missing required property for thermal zone description (Daniel
   Lezcano).

 - Add missing export symbol for
   thermal_zone_device_register_with_trips() (Daniel Lezcano).

* thermal-core:
  dt-bindings: thermal: Fix missing required property
  thermal/core: Add missing EXPORT_SYMBOL_GPL
2022-08-27 15:07:58 +02:00
Rafael J. Wysocki
2413a85200 Merge branch 'acpi-processor' into acpi
* acpi-processor:
  ACPI: processor: Remove freq Qos request for all CPUs
2022-08-27 14:43:18 +02:00
Stephane Eranian
11745ecfe8 perf/x86/intel/uncore: Fix broken read_counter() for SNB IMC PMU
Existing code was generating bogus counts for the SNB IMC bandwidth counters:

$ perf stat -a -I 1000 -e uncore_imc/data_reads/,uncore_imc/data_writes/
     1.000327813           1,024.03 MiB  uncore_imc/data_reads/
     1.000327813              20.73 MiB  uncore_imc/data_writes/
     2.000580153         261,120.00 MiB  uncore_imc/data_reads/
     2.000580153              23.28 MiB  uncore_imc/data_writes/

The problem was introduced by commit:
  07ce734dd8 ("perf/x86/intel/uncore: Clean up client IMC")

Where the read_counter callback was replace to point to the generic
uncore_mmio_read_counter() function.

The SNB IMC counters are freerunnig 32-bit counters laid out contiguously in
MMIO. But uncore_mmio_read_counter() is using a readq() call to read from
MMIO therefore reading 64-bit from MMIO. Although this is okay for the
uncore_perf_event_update() function because it is shifting the value based
on the actual counter width to compute a delta, it is not okay for the
uncore_pmu_event_start() which is simply reading the counter  and therefore
priming the event->prev_count with a bogus value which is responsible for
causing bogus deltas in the perf stat command above.

The fix is to reintroduce the custom callback for read_counter for the SNB
IMC PMU and use readl() instead of readq(). With the change the output of
perf stat is back to normal:
$ perf stat -a -I 1000 -e uncore_imc/data_reads/,uncore_imc/data_writes/
     1.000120987             296.94 MiB  uncore_imc/data_reads/
     1.000120987             138.42 MiB  uncore_imc/data_writes/
     2.000403144             175.91 MiB  uncore_imc/data_reads/
     2.000403144              68.50 MiB  uncore_imc/data_writes/

Fixes: 07ce734dd8 ("perf/x86/intel/uncore: Clean up client IMC")
Signed-off-by: Stephane Eranian <eranian@google.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Kan Liang <kan.liang@linux.intel.com>
Link: https://lore.kernel.org/r/20220803160031.1379788-1-eranian@google.com
2022-08-27 00:05:38 +02:00
Linus Torvalds
e022620b5d arm64 fixes for -rc3
- Fix workaround for Cortex-A76 erratum #1286807
 
 - Add workaround for AMU erratum #2457168 on Cortex-A510
 
 - Drop reference to removed CONFIG_ARCH_RANDOM #define
 
 - Fix parsing of the "rodata=full" cmdline option
 
 - Fix a bunch of issues in the SME register state switching and sigframe code
 
 - Fix incorrect extraction of the CTR_EL0.CWG register field
 
 - Fix ACPI cache topology probing when the PPTT is not present
 
 - Trivial comment and whitespace fixes
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Will Deacon:
 "A bumper crop of arm64 fixes for -rc3.

  The largest change is fixing our parsing of the 'rodata=full' command
  line option, which kstrtobool() started treating as 'rodata=false'.
  The fix actually makes the parsing of that option much less fragile
  and updates the documentation at the same time.

  We still have a boot issue pending when KASLR is disabled at compile
  time, but there's a fresh fix on the list which I'll send next week if
  it holds up to testing.

  Summary:

   - Fix workaround for Cortex-A76 erratum #1286807

   - Add workaround for AMU erratum #2457168 on Cortex-A510

   - Drop reference to removed CONFIG_ARCH_RANDOM #define

   - Fix parsing of the "rodata=full" cmdline option

   - Fix a bunch of issues in the SME register state switching and sigframe code

   - Fix incorrect extraction of the CTR_EL0.CWG register field

   - Fix ACPI cache topology probing when the PPTT is not present

   - Trivial comment and whitespace fixes"

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64/sme: Don't flush SVE register state when handling SME traps
  arm64/sme: Don't flush SVE register state when allocating SME storage
  arm64/signal: Flush FPSIMD register state when disabling streaming mode
  arm64/signal: Raise limit on stack frames
  arm64/cache: Fix cache_type_cwg() for register generation
  arm64/sysreg: Guard SYS_FIELD_ macros for asm
  arm64/sysreg: Directly include bitfield.h
  arm64: cacheinfo: Fix incorrect assignment of signed error value to unsigned fw_level
  arm64: errata: add detection for AMEVCNTR01 incrementing incorrectly
  arm64: fix rodata=full
  arm64: Fix comment typo
  docs/arm64: elf_hwcaps: unify newlines in HWCAP lists
  arm64: adjust KASLR relocation after ARCH_RANDOM removal
  arm64: Fix match_list for erratum 1286807 on Arm Cortex-A76
2022-08-26 11:32:53 -07:00
Linus Torvalds
012bd7e859 RISC-V Fixes for 6.0-rc3
* A handful of fixes for the Microchip device trees.
 * A pair of fixes to eliminate build warnings.
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Merge tag 'riscv-for-linus-6.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull RISC-V fixes from Palmer Dabbelt:

 - A handful of fixes for the Microchip device trees

 - A pair of fixes to eliminate build warnings

* tag 'riscv-for-linus-6.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
  riscv: dts: microchip: mpfs: remove pci axi address translation property
  riscv: dts: microchip: mpfs: remove bogus card-detect-delay
  riscv: dts: microchip: mpfs: remove ti,fifo-depth property
  riscv: dts: microchip: mpfs: fix incorrect pcie child node name
  riscv: traps: add missing prototype
  riscv: signal: fix missing prototype warning
  riscv: dts: microchip: correct L2 cache interrupts
2022-08-26 11:26:27 -07:00
Linus Torvalds
c23f864dc7 LoongArch fixes for v6.0-rc3
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Merge tag 'loongarch-fixes-6.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson

Pull LoongArch fixes from Huacai Chen:
 "Fix a bunch of build errors/warnings, a poweroff error and an
  unbalanced locking in do_page_fault()"

* tag 'loongarch-fixes-6.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson:
  LoongArch: mm: Avoid unnecessary page fault retires on shared memory types
  LoongArch: Add subword xchg/cmpxchg emulation
  LoongArch: Cleanup headers to avoid circular dependency
  LoongArch: Cleanup reset routines with new API
  LoongArch: Fix build warnings in VDSO
  LoongArch: Select PCI_QUIRKS to avoid build error
2022-08-26 11:21:18 -07:00
Linus Torvalds
78effb4a9b drm fixes for 6.0-rc3
gem:
 - Fixes handle release leak
 
 nouveau:
 - fix fencing when moving BO
 
 vc4:
 - HDMI fixes
 
 amdgpu:
 - GFX 11.0 fixes
 - PSP XGMI handling fixes
 - GFX9 fix for compute-only IPs
 - Drop duplicated function call
 - Fix warning due to missing header
 - NBIO 7.7 fixes
 - DCN 3.1.4 fixes
 - SDMA 6.0 fixes
 - SMU 13.0 fixes
 - Arcturus GPUVM page table fix
 - MMHUB 1.0 fix
 
 amdkfd:
 - GC 10.3.7 fix
 
 radeon:
 - Delayed work flush fix
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Merge tag 'drm-fixes-2022-08-26-1' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "Weekly fixes, lots of amdgpu fixes mostly for IP blocks introduced in
  6.0-rc1, otherwise vc4, nouveau fixes.

  gem:
   - Fix handle release leak

  nouveau:
   - Fix fencing when moving BO

  vc4:
   - HDMI fixes

  amdgpu:
   - GFX 11.0 fixes
   - PSP XGMI handling fixes
   - GFX9 fix for compute-only IPs
   - Drop duplicated function call
   - Fix warning due to missing header
   - NBIO 7.7 fixes
   - DCN 3.1.4 fixes
   - SDMA 6.0 fixes
   - SMU 13.0 fixes
   - Arcturus GPUVM page table fix
   - MMHUB 1.0 fix

  amdkfd:
   - GC 10.3.7 fix

  radeon:
   - Delayed work flush fix"

* tag 'drm-fixes-2022-08-26-1' of git://anongit.freedesktop.org/drm/drm: (21 commits)
  drm/amdgpu: mmVM_L2_CNTL3 register not initialized correctly
  drm/amdgpu: add MGCG perfmon setting for gfx11
  drm/amdkfd: Fix isa version for the GC 10.3.7
  drm/amdgpu: Fix page table setup on Arcturus
  drm/amd/pm: update SMU 13.0.0 driver_if header
  drm/amdgpu: add sdma instance check for gfx11 CGCG
  drm/amd/display: enable PCON support for dcn314
  drm/amdgpu: enable NBIO IP v7.7.0 Clock Gating
  drm/amdgpu: add NBIO IP v7.7.0 Clock Gating support
  drm/amdgpu: add TX_POWER_CTRL_1 macro definitions for NBIO IP v7.7.0
  nouveau: explicitly wait on the fence in nouveau_bo_move_m2mf
  drm/radeon: add a force flush to delay work when radeon
  drm/amd/display: Include missing header
  drm/amdgpu: Remove the additional kfd pre reset call for sriov
  drm/amdgpu: Check num_gfx_rings for gfx v9_0 rb setup.
  drm/amdgpu: fix hive reference leak when adding xgmi device
  drm/amdgpu: Move psp_xgmi_terminate call from amdgpu_xgmi_remove_device to psp_hw_fini
  drm/amdgpu: enable GFXOFF allow control for GC IP v11.0.1
  drm/gem: Fix GEM handle release errors
  drm/vc4: hdmi: Rework power up
  ...
2022-08-26 11:15:37 -07:00
Linus Torvalds
3e5c673f0d block-6.0-2022-08-26
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Merge tag 'block-6.0-2022-08-26' of git://git.kernel.dk/linux-block

Pull block fixes from Jens Axboe:

 - MD pull request via Song:
      - Fix for clustered raid (Guoqing Jiang)
      - req_op fix (Bart Van Assche)
      - Fix race condition in raid recreate (David Sloan)

 - loop configuration overflow fix (Siddh)

 - Fix missing commit_rqs call for certain conditions (Yu)

* tag 'block-6.0-2022-08-26' of git://git.kernel.dk/linux-block:
  md: call __md_stop_writes in md_stop
  Revert "md-raid: destroy the bitmap after destroying the thread"
  md: Flush workqueue md_rdev_misc_wq in md_alloc()
  md/raid10: Fix the data type of an r10_sync_page_io() argument
  loop: Check for overflow while configuring loop
  blk-mq: fix io hung due to missing commit_rqs
2022-08-26 11:05:54 -07:00
Linus Torvalds
0b0861eb91 io_uring-6.0-2022-08-26
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Merge tag 'io_uring-6.0-2022-08-26' of git://git.kernel.dk/linux-block

Pull io_uring fixes from Jens Axboe:

 - Add missing header file to the MAINTAINERS entry for io_uring (Ammar)

 - liburing and the kernel ship the same io_uring.h header, but one
   change we've had for a long time only in liburing is to ensure it's
   C++ safe. Add extern C around it, so we can more easily sync them in
   the future (Ammar)

 - Fix an off-by-one in the sync cancel added in this merge window (me)

 - Error handling fix for passthrough (Kanchan)

 - Fix for address saving for async execution for the zc tx support
   (Pavel)

 - Fix ordering for TCP zc notifications, so we always have them ordered
   correctly between "data was sent" and "data was acked". This isn't
   strictly needed with the notification slots, but we've been pondering
   disabling the slot support for 6.0 - and if we do, then we do require
   the ordering to be sane. Regardless of that, it's the sane thing to
   do in terms of API (Pavel)

 - Minor cleanup for indentation and lockdep annotation (Pavel)

* tag 'io_uring-6.0-2022-08-26' of git://git.kernel.dk/linux-block:
  io_uring/net: save address for sendzc async execution
  io_uring: conditional ->async_data allocation
  io_uring/notif: order notif vs send CQEs
  io_uring/net: fix indentation
  io_uring/net: fix zc send link failing
  io_uring/net: fix must_hold annotation
  io_uring: fix submission-failure handling for uring-cmd
  io_uring: fix off-by-one in sync cancelation file check
  io_uring: uapi: Add `extern "C"` in io_uring.h for liburing
  MAINTAINERS: Add `include/linux/io_uring_types.h`
2022-08-26 11:01:52 -07:00
Shigeru Yoshida
a5a923038d fbdev: fbcon: Properly revert changes when vc_resize() failed
fbcon_do_set_font() calls vc_resize() when font size is changed.
However, if if vc_resize() failed, current implementation doesn't
revert changes for font size, and this causes inconsistent state.

syzbot reported unable to handle page fault due to this issue [1].
syzbot's repro uses fault injection which cause failure for memory
allocation, so vc_resize() failed.

This patch fixes this issue by properly revert changes for font
related date when vc_resize() failed.

Link: https://syzkaller.appspot.com/bug?id=3443d3a1fa6d964dd7310a0cb1696d165a3e07c4 [1]
Reported-by: syzbot+a168dbeaaa7778273c1b@syzkaller.appspotmail.com
Signed-off-by: Shigeru Yoshida <syoshida@redhat.com>
Signed-off-by: Helge Deller <deller@gmx.de>
CC: stable@vger.kernel.org # 5.15+
2022-08-26 19:56:18 +02:00
Linus Torvalds
5373081b99 SCSI fixes on 20220826
10 fixes.  Of the three core changes, the two large ones are a
 complete reversion of the async rework and an ALUA timing rework (the
 latter shouldn't affect non-ALUA paths).  The remaining patches are
 all small and all but one in drivers.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "Ten fixes.

  Of the three core changes, the two large ones are a complete reversion
  of the async rework and an ALUA timing rework (the latter shouldn't
  affect non-ALUA paths).

  The remaining patches are all small and all but one in drivers"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: sd: Revert "Rework asynchronous resume support"
  scsi: core: Fix passthrough retry counter handling
  scsi: ufs: core: Reduce the power mode change timeout
  scsi: storvsc: Remove WQ_MEM_RECLAIM from storvsc_error_wq
  scsi: ufs: host: ufs-exynos: Make fsd_ufs_drvs static
  scsi: megaraid_sas: Remove unnecessary kfree()
  scsi: megaraid_sas: Fix double kfree()
  scsi: ufs: core: Enable link lost interrupt
  scsi: core: Allow the ALUA transitioning state enough time
  scsi: qla2xxx: Disable ATIO interrupt coalesce for quad port ISP27XX
2022-08-26 10:29:56 -07:00
Mikulas Patocka
8238b45798 wait_on_bit: add an acquire memory barrier
There are several places in the kernel where wait_on_bit is not followed
by a memory barrier (for example, in drivers/md/dm-bufio.c:new_read).

On architectures with weak memory ordering, it may happen that memory
accesses that follow wait_on_bit are reordered before wait_on_bit and
they may return invalid data.

Fix this class of bugs by introducing a new function "test_bit_acquire"
that works like test_bit, but has acquire memory ordering semantics.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Acked-by: Will Deacon <will@kernel.org>
Cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-08-26 09:30:25 -07:00
Andrew Morton
ec6624452e Merge branch 'linus' 2022-08-25 21:45:38 -07:00
Dave Airlie
100d0ae82b Merge tag 'amd-drm-fixes-6.0-2022-08-25' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes
amd-drm-fixes-6.0-2022-08-25:

amdgpu:
- GFX 11.0 fixes
- PSP XGMI handling fixes
- GFX9 fix for compute-only IPs
- Drop duplicated function call
- Fix warning due to missing header
- NBIO 7.7 fixes
- DCN 3.1.4 fixes
- SDMA 6.0 fixes
- SMU 13.0 fixes
- Arcturus GPUVM page table fix
- MMHUB 1.0 fix

amdkfd:
- GC 10.3.7 fix

radeon:
- Delayed work flush fix

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220825181243.5853-1-alexander.deucher@amd.com
2022-08-26 09:56:53 +10:00
Dave Airlie
064d491f73 Short summary of fixes pull:
* gem: Fixes handle release leak
  * nouveau: Fix fencing when moving BO
  * vc4: HDMI fixes
  * Backmerging for v6.0-rc1
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Merge tag 'drm-misc-fixes-2022-08-25' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes

Short summary of fixes pull:

 * gem: Fixes handle release leak
 * nouveau: Fix fencing when moving BO
 * vc4: HDMI fixes
 * Backmerging for v6.0-rc1

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/YwclSWheC+Ai+u+v@linux-uq9g
2022-08-26 09:48:22 +10:00
Palmer Dabbelt
1709c70c31
Merge branch 'riscv-variable_fixes_without_kvm' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/linux.git into fixes
This contains a pair of fixes for build-time warnings.

* 'riscv-variable_fixes_without_kvm' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/linux.git:
  riscv: traps: add missing prototype
  riscv: signal: fix missing prototype warning
2022-08-25 16:38:01 -07:00
Palmer Dabbelt
92e55a865b Microchip RISC-V devicetree fixes for 6.0-rc3
Two sets of fixes this time around:
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   the system useless.
 - General cleanup for some bogus properties in the dt, part of my quest
   for zero dtbs_check warnings.
 
 On that note, the interrupt ordering adds a dtbs_check warning - but I
 considered that fixing the potentially useless system was more of a
 priority.
 
 Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
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Merge tag 'dt-fixes-for-palmer-6.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/conor/linux.git into fixes

Microchip RISC-V devicetree fixes for 6.0-rc3

Two sets of fixes this time around:
- A fix for the interrupt ordering of the l2-cache controller. If the
  driver is enabled, it would spam the console /constantly/, rendering
  the system useless.
- General cleanup for some bogus properties in the dt, part of my quest
  for zero dtbs_check warnings.

On that note, the interrupt ordering adds a dtbs_check warning - but I
considered that fixing the potentially useless system was more of a
priority.

Signed-off-by: Conor Dooley <conor.dooley@microchip.com>

* tag 'dt-fixes-for-palmer-6.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/conor/linux.git:
  riscv: dts: microchip: mpfs: remove pci axi address translation property
  riscv: dts: microchip: mpfs: remove bogus card-detect-delay
  riscv: dts: microchip: mpfs: remove ti,fifo-depth property
  riscv: dts: microchip: mpfs: fix incorrect pcie child node name
  riscv: dts: microchip: correct L2 cache interrupts
2022-08-25 16:32:39 -07:00
Richard Guy Briggs
d4fefa4801 audit: move audit_return_fixup before the filters
The success and return_code are needed by the filters.  Move
audit_return_fixup() before the filters.  This was causing syscall
auditing events to be missed.

Link: https://github.com/linux-audit/audit-kernel/issues/138
Cc: stable@vger.kernel.org
Fixes: 12c5e81d3f ("audit: prepare audit_context for use in calling contexts beyond syscalls")
Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
[PM: manual merge required]
Signed-off-by: Paul Moore <paul@paul-moore.com>
2022-08-25 17:25:08 -04:00
Linus Torvalds
4c612826be Including fixes from ipsec and netfilter (with one broken Fixes tag).
Current release - new code bugs:
 
  - dsa: don't dereference NULL extack in dsa_slave_changeupper()
 
  - dpaa: fix <1G ethernet on LS1046ARDB
 
  - neigh: don't call kfree_skb() under spin_lock_irqsave()
 
 Previous releases - regressions:
 
  - r8152: fix the RX FIFO settings when suspending
 
  - dsa: microchip: keep compatibility with device tree blobs with
    no phy-mode
 
  - Revert "net: macsec: update SCI upon MAC address change."
 
  - Revert "xfrm: update SA curlft.use_time", comply with RFC 2367
 
 Previous releases - always broken:
 
  - netfilter: conntrack: work around exceeded TCP receive window
 
  - ipsec: fix a null pointer dereference of dst->dev on a metadata
    dst in xfrm_lookup_with_ifid
 
  - moxa: get rid of asymmetry in DMA mapping/unmapping
 
  - dsa: microchip: make learning configurable and keep it off
    while standalone
 
  - ice: xsk: prohibit usage of non-balanced queue id
 
  - rxrpc: fix locking in rxrpc's sendmsg
 
 Misc:
 
  - another chunk of sysctl data race silencing
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Including fixes from ipsec and netfilter (with one broken Fixes tag).

  Current release - new code bugs:

   - dsa: don't dereference NULL extack in dsa_slave_changeupper()

   - dpaa: fix <1G ethernet on LS1046ARDB

   - neigh: don't call kfree_skb() under spin_lock_irqsave()

  Previous releases - regressions:

   - r8152: fix the RX FIFO settings when suspending

   - dsa: microchip: keep compatibility with device tree blobs with no
     phy-mode

   - Revert "net: macsec: update SCI upon MAC address change."

   - Revert "xfrm: update SA curlft.use_time", comply with RFC 2367

  Previous releases - always broken:

   - netfilter: conntrack: work around exceeded TCP receive window

   - ipsec: fix a null pointer dereference of dst->dev on a metadata dst
     in xfrm_lookup_with_ifid

   - moxa: get rid of asymmetry in DMA mapping/unmapping

   - dsa: microchip: make learning configurable and keep it off while
     standalone

   - ice: xsk: prohibit usage of non-balanced queue id

   - rxrpc: fix locking in rxrpc's sendmsg

  Misc:

   - another chunk of sysctl data race silencing"

* tag 'net-6.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (87 commits)
  net: lantiq_xrx200: restore buffer if memory allocation failed
  net: lantiq_xrx200: fix lock under memory pressure
  net: lantiq_xrx200: confirm skb is allocated before using
  net: stmmac: work around sporadic tx issue on link-up
  ionic: VF initial random MAC address if no assigned mac
  ionic: fix up issues with handling EAGAIN on FW cmds
  ionic: clear broken state on generation change
  rxrpc: Fix locking in rxrpc's sendmsg
  net: ethernet: mtk_eth_soc: fix hw hash reporting for MTK_NETSYS_V2
  MAINTAINERS: rectify file entry in BONDING DRIVER
  i40e: Fix incorrect address type for IPv6 flow rules
  ixgbe: stop resetting SYSTIME in ixgbe_ptp_start_cyclecounter
  net: Fix a data-race around sysctl_somaxconn.
  net: Fix a data-race around netdev_unregister_timeout_secs.
  net: Fix a data-race around gro_normal_batch.
  net: Fix data-races around sysctl_devconf_inherit_init_net.
  net: Fix data-races around sysctl_fb_tunnels_only_for_init_net.
  net: Fix a data-race around netdev_budget_usecs.
  net: Fix data-races around sysctl_max_skb_frags.
  net: Fix a data-race around netdev_budget.
  ...
2022-08-25 14:03:58 -07:00