Commit Graph

1169483 Commits

Author SHA1 Message Date
Linus Torvalds
596ff4a09b cpumask: re-introduce constant-sized cpumask optimizations
Commit aa47a7c215 ("lib/cpumask: deprecate nr_cpumask_bits") resulted
in the cpumask operations potentially becoming hugely less efficient,
because suddenly the cpumask was always considered to be variable-sized.

The optimization was then later added back in a limited form by commit
6f9c07be9d ("lib/cpumask: add FORCE_NR_CPUS config option"), but that
FORCE_NR_CPUS option is not useful in a generic kernel and more of a
special case for embedded situations with fixed hardware.

Instead, just re-introduce the optimization, with some changes.

Instead of depending on CPUMASK_OFFSTACK being false, and then always
using the full constant cpumask width, this introduces three different
cpumask "sizes":

 - the exact size (nr_cpumask_bits) remains identical to nr_cpu_ids.

   This is used for situations where we should use the exact size.

 - the "small" size (small_cpumask_bits) is the NR_CPUS constant if it
   fits in a single word and the bitmap operations thus end up able
   to trigger the "small_const_nbits()" optimizations.

   This is used for the operations that have optimized single-word
   cases that get inlined, notably the bit find and scanning functions.

 - the "large" size (large_cpumask_bits) is the NR_CPUS constant if it
   is an sufficiently small constant that makes simple "copy" and
   "clear" operations more efficient.

   This is arbitrarily set at four words or less.

As a an example of this situation, without this fixed size optimization,
cpumask_clear() will generate code like

        movl    nr_cpu_ids(%rip), %edx
        addq    $63, %rdx
        shrq    $3, %rdx
        andl    $-8, %edx
        callq   memset@PLT

on x86-64, because it would calculate the "exact" number of longwords
that need to be cleared.

In contrast, with this patch, using a MAX_CPU of 64 (which is quite a
reasonable value to use), the above becomes a single

	movq $0,cpumask

instruction instead, because instead of caring to figure out exactly how
many CPU's the system has, it just knows that the cpumask will be a
single word and can just clear it all.

Note that this does end up tightening the rules a bit from the original
version in another way: operations that set bits in the cpumask are now
limited to the actual nr_cpu_ids limit, whereas we used to do the
nr_cpumask_bits thing almost everywhere in the cpumask code.

But if you just clear bits, or scan for bits, we can use the simpler
compile-time constants.

In the process, remove 'cpumask_complement()' and 'for_each_cpu_not()'
which were not useful, and which fundamentally have to be limited to
'nr_cpu_ids'.  Better remove them now than have somebody introduce use
of them later.

Of course, on x86-64 with MAXSMP there is no sane small compile-time
constant for the cpumask sizes, and we end up using the actual CPU bits,
and will generate the above kind of horrors regardless.  Please don't
use MAXSMP unless you really expect to have machines with thousands of
cores.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2023-03-05 14:30:34 -08:00
Linus Torvalds
f915322fe0 This push fixes a regression in the caam driver.
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Merge tag 'v6.3-p2' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

Pull crypto fix from Herbert Xu:
 "Fix a regression in the caam driver"

* tag 'v6.3-p2' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  crypto: caam - Fix edesc/iv ordering mixup
2023-03-05 11:32:30 -08:00
Linus Torvalds
7f9ec7d816 A small set of updates for x86:
- Return -EIO instead of success when the certificate buffer for SEV
    guests is not large enough.
 
  - Allow STIPB to be enabled with legacy IBSR. Legacy IBRS is cleared on
    return to userspace for performance reasons, but the leaves user space
    vulnerable to cross-thread attacks which STIBP prevents. Update the
    documentation accordingly.
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Merge tag 'x86-urgent-2023-03-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 updates from Thomas Gleixner:
 "A small set of updates for x86:

   - Return -EIO instead of success when the certificate buffer for SEV
     guests is not large enough

   - Allow STIPB to be enabled with legacy IBSR. Legacy IBRS is cleared
     on return to userspace for performance reasons, but the leaves user
     space vulnerable to cross-thread attacks which STIBP prevents.
     Update the documentation accordingly"

* tag 'x86-urgent-2023-03-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  virt/sev-guest: Return -EIO if certificate buffer is not large enough
  Documentation/hw-vuln: Document the interaction between IBRS and STIBP
  x86/speculation: Allow enabling STIBP with legacy IBRS
2023-03-05 11:27:48 -08:00
Linus Torvalds
4e9c542c7a A set of updates for the interrupt susbsystem:
- Prevent possible NULL pointer derefences in irq_data_get_affinity_mask()
     and irq_domain_create_hierarchy().
 
   - Take the per device MSI lock before invoking code which relies
     on it being hold.
 
   - Make sure that MSI descriptors are unreferenced before freeing
     them. This was overlooked when the platform MSI code was converted to
     use core infrastructure and results in a fals positive warning.
 
   - Remove dead code in the MSI subsystem.
 
   - Clarify the documentation for pci_msix_free_irq().
 
   - More kobj_type constification.
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Merge tag 'irq-urgent-2023-03-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull irq updates from Thomas Gleixner:
 "A set of updates for the interrupt susbsystem:

   - Prevent possible NULL pointer derefences in
     irq_data_get_affinity_mask() and irq_domain_create_hierarchy()

   - Take the per device MSI lock before invoking code which relies on
     it being hold

   - Make sure that MSI descriptors are unreferenced before freeing
     them. This was overlooked when the platform MSI code was converted
     to use core infrastructure and results in a fals positive warning

   - Remove dead code in the MSI subsystem

   - Clarify the documentation for pci_msix_free_irq()

   - More kobj_type constification"

* tag 'irq-urgent-2023-03-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  genirq/msi, platform-msi: Ensure that MSI descriptors are unreferenced
  genirq/msi: Drop dead domain name assignment
  irqdomain: Add missing NULL pointer check in irq_domain_create_hierarchy()
  genirq/irqdesc: Make kobj_type structures constant
  PCI/MSI: Clarify usage of pci_msix_free_irq()
  genirq/msi: Take the per-device MSI lock before validating the control structure
  genirq/ipi: Fix NULL pointer deref in irq_data_get_affinity_mask()
2023-03-05 11:19:16 -08:00
Linus Torvalds
1a90673e17 Adding Christian Brauner as VFS co-maintainer.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Merge tag 'pull-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Pull vfs update from Al Viro:
 "Adding Christian Brauner as VFS co-maintainer"

* tag 'pull-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  Adding VFS co-maintainer
2023-03-05 11:11:52 -08:00
Linus Torvalds
1a8d05a726 VM_FAULT_RETRY fixes
Some of the page fault handlers do not deal with the following case
 correctly:
 	* handle_mm_fault() has returned VM_FAULT_RETRY
 	* there is a pending fatal signal
 	* fault had happened in kernel mode
 Correct action in such case is not "return unconditionally" - fatal
 signals are handled only upon return to userland and something like
 copy_to_user() would end up retrying the faulting instruction and
 triggering the same fault again and again.
 
 What we need to do in such case is to make the caller to treat that
 as failed uaccess attempt - handle exception if there is an exception
 handler for faulting instruction or oops if there isn't one.
 
 Over the years some architectures had been fixed and now are handling
 that case properly; some still do not.  This series should fix the
 remaining ones.
 
 Status:
 	m68k, riscv, hexagon, parisc: tested/acked by maintainers.
 	alpha, sparc32, sparc64: tested locally - bug has been
 reproduced on the unpatched kernel and verified to be fixed by
 this series.
 	ia64, microblaze, nios2, openrisc: build, but otherwise
 completely untested.
 
 Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Merge tag 'pull-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Pull VM_FAULT_RETRY fixes from Al Viro:
 "Some of the page fault handlers do not deal with the following case
  correctly:

   - handle_mm_fault() has returned VM_FAULT_RETRY

   - there is a pending fatal signal

   - fault had happened in kernel mode

  Correct action in such case is not "return unconditionally" - fatal
  signals are handled only upon return to userland and something like
  copy_to_user() would end up retrying the faulting instruction and
  triggering the same fault again and again.

  What we need to do in such case is to make the caller to treat that as
  failed uaccess attempt - handle exception if there is an exception
  handler for faulting instruction or oops if there isn't one.

  Over the years some architectures had been fixed and now are handling
  that case properly; some still do not. This series should fix the
  remaining ones.

  Status:

   - m68k, riscv, hexagon, parisc: tested/acked by maintainers.

   - alpha, sparc32, sparc64: tested locally - bug has been reproduced
     on the unpatched kernel and verified to be fixed by this series.

   - ia64, microblaze, nios2, openrisc: build, but otherwise completely
     untested"

* tag 'pull-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  openrisc: fix livelock in uaccess
  nios2: fix livelock in uaccess
  microblaze: fix livelock in uaccess
  ia64: fix livelock in uaccess
  sparc: fix livelock in uaccess
  alpha: fix livelock in uaccess
  parisc: fix livelock in uaccess
  hexagon: fix livelock in uaccess
  riscv: fix livelock in uaccess
  m68k: fix livelock in uaccess
2023-03-05 11:07:58 -08:00
Masahiro Yamada
95207db816 Remove Intel compiler support
include/linux/compiler-intel.h had no update in the past 3 years.

We often forget about the third C compiler to build the kernel.

For example, commit a0a12c3ed0 ("asm goto: eradicate CC_HAS_ASM_GOTO")
only mentioned GCC and Clang.

init/Kconfig defines CC_IS_GCC and CC_IS_CLANG but not CC_IS_ICC,
and nobody has reported any issue.

I guess the Intel Compiler support is broken, and nobody is caring
about it.

Harald Arnesen pointed out ICC (classic Intel C/C++ compiler) is
deprecated:

    $ icc -v
    icc: remark #10441: The Intel(R) C++ Compiler Classic (ICC) is
    deprecated and will be removed from product release in the second half
    of 2023. The Intel(R) oneAPI DPC++/C++ Compiler (ICX) is the recommended
    compiler moving forward. Please transition to use this compiler. Use
    '-diag-disable=10441' to disable this message.
    icc version 2021.7.0 (gcc version 12.1.0 compatibility)

Arnd Bergmann provided a link to the article, "Intel C/C++ compilers
complete adoption of LLVM".

lib/zstd/common/compiler.h and lib/zstd/compress/zstd_fast.c were kept
untouched for better sync with https://github.com/facebook/zstd

Link: https://www.intel.com/content/www/us/en/developer/articles/technical/adoption-of-llvm-complete-icx.html
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2023-03-05 10:49:37 -08:00
Al Viro
3304f18bfc Adding VFS co-maintainer
Acked-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2023-03-05 10:31:17 -05:00
Linus Torvalds
b01fe98d34 Some improvements/fixes for the newly added GXP driver and a Kconfig
dependency fix
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Merge tag 'i2c-for-6.3-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux

Pull more i2c updates from Wolfram Sang:
 "Some improvements/fixes for the newly added GXP driver and a Kconfig
  dependency fix"

* tag 'i2c-for-6.3-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: gxp: fix an error code in probe
  i2c: gxp: return proper error on address NACK
  i2c: gxp: remove "empty" switch statement
  i2c: Disable I2C_APPLE when I2C_PASEMI is a builtin
2023-03-04 14:48:29 -08:00
Linus Torvalds
e77d587a2c mm: avoid gcc complaint about pointer casting
The migration code ends up temporarily stashing information of the wrong
type in unused fields of the newly allocated destination folio.  That
all works fine, but gcc does complain about the pointer type mis-use:

    mm/migrate.c: In function ‘__migrate_folio_extract’:
    mm/migrate.c:1050:20: note: randstruct: casting between randomized structure pointer types (ssa): ‘struct anon_vma’ and ‘struct address_space’

     1050 |         *anon_vmap = (void *)dst->mapping;
          |         ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~

and gcc is actually right to complain since it really doesn't understand
that this is a very temporary special case where this is ok.

This could be fixed in different ways by just obfuscating the assignment
sufficiently that gcc doesn't see what is going on, but the truly
"proper C" way to do this is by explicitly using a union.

Using unions for type conversions like this is normally hugely ugly and
syntactically nasty, but this really is one of the few cases where we
want to make it clear that we're not doing type conversion, we're really
re-using the value bit-for-bit just using another type.

IOW, this should not become a common pattern, but in this one case using
that odd union is probably the best way to document to the compiler what
is conceptually going on here.

[ Side note: there are valid cases where we convert pointers to other
  pointer types, notably the whole "folio vs page" situation, where the
  types actually have fundamental commonalities.

  The fact that the gcc note is limited to just randomized structures
  means that we don't see equivalent warnings for those cases, but it
  migth also mean that we miss other cases where we do play these kinds
  of dodgy games, and this kind of explicit conversion might be a good
  idea. ]

I verified that at least for an allmodconfig build on x86-64, this
generates the exact same code, apart from line numbers and assembler
comment changes.

Fixes: 64c8902ed4 ("migrate_pages: split unmap_and_move() to _unmap() and _move()")
Cc: Huang, Ying <ying.huang@intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2023-03-04 14:03:27 -08:00
Linus Torvalds
20fdfd55ab 17 hotfixes. Eight are for MM and seven are for other parts of the
kernel.  Seven are cc:stable and eight address post-6.3 issues or were
 judged unsuitable for -stable backporting.
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Merge tag 'mm-hotfixes-stable-2023-03-04-13-12' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull misc fixes from Andrew Morton:
 "17 hotfixes.

  Eight are for MM and seven are for other parts of the kernel. Seven
  are cc:stable and eight address post-6.3 issues or were judged
  unsuitable for -stable backporting"

* tag 'mm-hotfixes-stable-2023-03-04-13-12' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
  mailmap: map Dikshita Agarwal's old address to his current one
  mailmap: map Vikash Garodia's old address to his current one
  fs/cramfs/inode.c: initialize file_ra_state
  fs: hfsplus: fix UAF issue in hfsplus_put_super
  panic: fix the panic_print NMI backtrace setting
  lib: parser: update documentation for match_NUMBER functions
  kasan, x86: don't rename memintrinsics in uninstrumented files
  kasan: test: fix test for new meminstrinsic instrumentation
  kasan: treat meminstrinsic as builtins in uninstrumented files
  kasan: emit different calls for instrumentable memintrinsics
  ocfs2: fix non-auto defrag path not working issue
  ocfs2: fix defrag path triggering jbd2 ASSERT
  mailmap: map Georgi Djakov's old Linaro address to his current one
  mm/hwpoison: convert TTU_IGNORE_HWPOISON to TTU_HWPOISON
  lib/zlib: DFLTCC deflate does not write all available bits for Z_NO_FLUSH
  mm/damon/paddr: fix missing folio_put()
  mm/mremap: fix dup_anon_vma() in vma_merge() case 4
2023-03-04 13:32:50 -08:00
Linus Torvalds
c29214bc89 powerpc fixes for 6.3 #2
- Drop orphaned VAS MAINTAINERS entry.
 
  - Fix build errors with clang and KCSAN.
 
  - Avoid build errors seen with LD_DEAD_CODE_DATA_ELIMINATION & recordmcount.
 
 Thanks to: Nathan Chancellor
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Merge tag 'powerpc-6.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc fixes from Michael Ellerman:

 - Drop orphaned VAS MAINTAINERS entry

 - Fix build errors with clang and KCSAN

 - Avoid build errors seen with LD_DEAD_CODE_DATA_ELIMINATION together
   with recordmcount

Thanks to Nathan Chancellor.

* tag 'powerpc-6.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc: Avoid dead code/data elimination when using recordmcount
  powerpc/vmlinux.lds: Add .text.asan/tsan sections
  powerpc: Drop orphaned VAS MAINTAINERS entry
2023-03-04 11:20:42 -08:00
Linus Torvalds
d172859ebf sound fixes for 6.3-rc1
A collection of various small fixes that have been gathered since
 the last PR.  The majority of changes are for ASoC, and there is
 a small change in ASoC PCM core, but the rest are all for driver-
 specific fixes / quirks / updates.
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Merge tag 'sound-fix-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "A collection of various small fixes that have been gathered since the
  last PR.

  The majority of changes are for ASoC, and there is a small change in
  ASoC PCM core, but the rest are all for driver- specific fixes /
  quirks / updates"

* tag 'sound-fix-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (32 commits)
  ALSA: ice1712: Delete unreachable code in aureon_add_controls()
  ALSA: ice1712: Do not left ice->gpio_mutex locked in aureon_add_controls()
  ALSA: hda/realtek: Add quirk for HP EliteDesk 800 G6 Tower PC
  ALSA: hda/realtek: Improve support for Dell Precision 3260
  ASoC: mediatek: mt8195: add missing initialization
  ASoC: mediatek: mt8188: add missing initialization
  ASoC: amd: yc: Add DMI entries to support HP OMEN 16-n0xxx (8A43)
  ASoC: zl38060 add gpiolib dependency
  ASoC: sam9g20ek: Disable capture unless building with microphone input
  ASoC: mt8192: Fix range for sidetone positive gain
  ASoC: mt8192: Report an error if when an invalid sidetone gain is written
  ASoC: mt8192: Fix event generation for controls
  ASoC: mt8192: Remove spammy log messages
  ASoC: mchp-pdmc: fix poc noise at capture startup
  ASoC: dt-bindings: sama7g5-pdmc: add microchip,startup-delay-us binding
  ASoC: soc-pcm: add option to start DMA after DAI
  ASoC: mt8183: Fix event generation for I2S DAI operations
  ASoC: mt8183: Remove spammy logging from I2S DAI driver
  ASoC: mt6358: Remove undefined HPx Mux enumeration values
  ASoC: mt6358: Validate Wake on Voice 2 writes
  ...
2023-03-04 10:53:59 -08:00
Arnaldo Carvalho de Melo
3ee7cb4fdf tools arch x86: Sync the msr-index.h copy with the kernel sources
To pick up the changes in:

  e7862eda30 ("x86/cpu: Support AMD Automatic IBRS")
  0125acda7d ("x86/bugs: Reset speculation control settings on init")
  38aaf921e9 ("perf/x86: Add Meteor Lake support")
  5b6fac3fa4 ("x86/resctrl: Detect and configure Slow Memory Bandwidth Allocation")
  dc2a3e8579 ("x86/resctrl: Add interface to read mbm_total_bytes_config")

Addressing these tools/perf build warnings:

    diff -u tools/arch/x86/include/asm/msr-index.h arch/x86/include/asm/msr-index.h
    Warning: Kernel ABI header at 'tools/arch/x86/include/asm/msr-index.h' differs from latest version at 'arch/x86/include/asm/msr-index.h'

That makes the beautification scripts to pick some new entries:

  $ tools/perf/trace/beauty/tracepoints/x86_msr.sh > before
  $ cp arch/x86/include/asm/msr-index.h tools/arch/x86/include/asm/msr-index.h
  $ tools/perf/trace/beauty/tracepoints/x86_msr.sh > after
  $ diff -u before after
  --- before    2023-03-03 18:26:51.766923522 -0300
  +++ after     2023-03-03 18:27:09.987415481 -0300
  @@ -267,9 +267,11 @@
        [0xc000010e - x86_64_specific_MSRs_offset] = "AMD64_LBR_SELECT",
        [0xc000010f - x86_64_specific_MSRs_offset] = "AMD_DBG_EXTN_CFG",
        [0xc0000200 - x86_64_specific_MSRs_offset] = "IA32_MBA_BW_BASE",
  +     [0xc0000280 - x86_64_specific_MSRs_offset] = "IA32_SMBA_BW_BASE",
        [0xc0000300 - x86_64_specific_MSRs_offset] = "AMD64_PERF_CNTR_GLOBAL_STATUS",
        [0xc0000301 - x86_64_specific_MSRs_offset] = "AMD64_PERF_CNTR_GLOBAL_CTL",
        [0xc0000302 - x86_64_specific_MSRs_offset] = "AMD64_PERF_CNTR_GLOBAL_STATUS_CLR",
  +     [0xc0000400 - x86_64_specific_MSRs_offset] = "IA32_EVT_CFG_BASE",
   };

   #define x86_AMD_V_KVM_MSRs_offset 0xc0010000
  $

Now one can trace systemwide asking to see backtraces to where that MSR
is being read/written, see this example with a previous update:

  # perf trace -e msr:*_msr/max-stack=32/ --filter="msr>=IA32_U_CET && msr<=IA32_INT_SSP_TAB"
  ^C#

If we use -v (verbose mode) we can see what it does behind the scenes:

  # perf trace -v -e msr:*_msr/max-stack=32/ --filter="msr>=IA32_U_CET && msr<=IA32_INT_SSP_TAB"
  Using CPUID AuthenticAMD-25-21-0
  0x6a0
  0x6a8
  New filter for msr:read_msr: (msr>=0x6a0 && msr<=0x6a8) && (common_pid != 597499 && common_pid != 3313)
  0x6a0
  0x6a8
  New filter for msr:write_msr: (msr>=0x6a0 && msr<=0x6a8) && (common_pid != 597499 && common_pid != 3313)
  mmap size 528384B
  ^C#

Example with a frequent msr:

  # perf trace -v -e msr:*_msr/max-stack=32/ --filter="msr==IA32_SPEC_CTRL" --max-events 2
  Using CPUID AuthenticAMD-25-21-0
  0x48
  New filter for msr:read_msr: (msr==0x48) && (common_pid != 2612129 && common_pid != 3841)
  0x48
  New filter for msr:write_msr: (msr==0x48) && (common_pid != 2612129 && common_pid != 3841)
  mmap size 528384B
  Looking at the vmlinux_path (8 entries long)
  symsrc__init: build id mismatch for vmlinux.
  Using /proc/kcore for kernel data
  Using /proc/kallsyms for symbols
     0.000 Timer/2525383 msr:write_msr(msr: IA32_SPEC_CTRL, val: 6)
                                       do_trace_write_msr ([kernel.kallsyms])
                                       do_trace_write_msr ([kernel.kallsyms])
                                       __switch_to_xtra ([kernel.kallsyms])
                                       __switch_to ([kernel.kallsyms])
                                       __schedule ([kernel.kallsyms])
                                       schedule ([kernel.kallsyms])
                                       futex_wait_queue_me ([kernel.kallsyms])
                                       futex_wait ([kernel.kallsyms])
                                       do_futex ([kernel.kallsyms])
                                       __x64_sys_futex ([kernel.kallsyms])
                                       do_syscall_64 ([kernel.kallsyms])
                                       entry_SYSCALL_64_after_hwframe ([kernel.kallsyms])
                                       __futex_abstimed_wait_common64 (/usr/lib64/libpthread-2.33.so)
     0.030 :0/0 msr:write_msr(msr: IA32_SPEC_CTRL, val: 2)
                                       do_trace_write_msr ([kernel.kallsyms])
                                       do_trace_write_msr ([kernel.kallsyms])
                                       __switch_to_xtra ([kernel.kallsyms])
                                       __switch_to ([kernel.kallsyms])
                                       __schedule ([kernel.kallsyms])
                                       schedule_idle ([kernel.kallsyms])
                                       do_idle ([kernel.kallsyms])
                                       cpu_startup_entry ([kernel.kallsyms])
                                       secondary_startup_64_no_verify ([kernel.kallsyms])
    #

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Babu Moger <babu.moger@amd.com>
Cc: Borislav Petkov (AMD) <bp@alien8.de>
Cc: Breno Leitao <leitao@debian.org>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Kim Phillips <kim.phillips@amd.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Nikunj A Dadhania <nikunj@amd.com>
Link: https://lore.kernel.org/lkml/ZAJoaZ41+rU5H0vL@kernel.org
[ I had published the perf-tools branch before with the sync with ]
[ 8c29f01654 ("x86/sev: Add SEV-SNP guest feature negotiation support") ]
[ I removed it from this new sync ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2023-03-03 23:24:11 -03:00
Arnaldo Carvalho de Melo
33c53f9b5a tools headers kvm: Sync uapi/{asm/linux} kvm.h headers with the kernel sources
To pick up the changes in:

  89b0e7de34 ("KVM: arm64: nv: Introduce nested virtualization VCPU feature")
  14329b825f ("KVM: x86/pmu: Introduce masked events to the pmu event filter")
  6213b701a9 ("KVM: x86: Replace 0-length arrays with flexible arrays")
  3fd49805d1 ("KVM: s390: Extend MEM_OP ioctl by storage key checked cmpxchg")
  14329b825f ("KVM: x86/pmu: Introduce masked events to the pmu event filter")

That don't change functionality in tools/perf, as no new ioctl is added
for the 'perf trace' scripts to harvest.

This addresses these perf build warnings:

  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
  Warning: Kernel ABI header at 'tools/arch/x86/include/uapi/asm/kvm.h' differs from latest version at 'arch/x86/include/uapi/asm/kvm.h'
  diff -u tools/arch/x86/include/uapi/asm/kvm.h arch/x86/include/uapi/asm/kvm.h
  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: Aaron Lewis <aaronlewis@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Christoffer Dall <christoffer.dall@arm.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Janis Schoetterl-Glausch <scgl@linux.ibm.com>
Cc: Janosch Frank <frankja@linux.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kees Kook <keescook@chromium.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Oliver Upton <oliver.upton@linux.dev>
Cc: Sean Christopherson <seanjc@google.com>
Link: https://lore.kernel.org/lkml/ZAJlg7%2FfWDVGX0F3@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2023-03-03 23:24:10 -03:00
Arnaldo Carvalho de Melo
5f800380af tools include UAPI: Synchronize linux/fcntl.h with the kernel sources
To pick up the changes in:

  6fd7353829 ("mm/memfd: add F_SEAL_EXEC")

That doesn't add or change any perf tools functionality, only addresses
these build warnings:

  Warning: Kernel ABI header at 'tools/include/uapi/linux/fcntl.h' differs from latest version at 'include/uapi/linux/fcntl.h'
  diff -u tools/include/uapi/linux/fcntl.h include/uapi/linux/fcntl.h

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2023-03-03 22:34:20 -03:00
Arnaldo Carvalho de Melo
811f35ff59 tools headers: Synchronize {linux,vdso}/bits.h with the kernel sources
To pick up the changes in this cset:

  cbdb1f163a ("vdso/bits.h: Add BIT_ULL() for the sake of consistency")

That just causes perf to rebuild, the macro included doesn't clash with
anything in tools/{perf,objtool,bpf}.

This addresses this perf build warning:

  Warning: Kernel ABI header at 'tools/include/linux/bits.h' differs from latest version at 'include/linux/bits.h'
  diff -u tools/include/linux/bits.h include/linux/bits.h
  Warning: Kernel ABI header at 'tools/include/vdso/bits.h' differs from latest version at 'include/vdso/bits.h'
  diff -u tools/include/vdso/bits.h include/vdso/bits.h

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2023-03-03 22:34:15 -03:00
Arnaldo Carvalho de Melo
df4b933e0e tools headers UAPI: Sync linux/prctl.h with the kernel sources
To pick new prctl options introduced in:

  b507808ebc ("mm: implement memory-deny-write-execute as a prctl")

That results in:

  $ diff -u tools/include/uapi/linux/prctl.h include/uapi/linux/prctl.h
  --- tools/include/uapi/linux/prctl.h	2022-06-20 17:54:43.884515663 -0300
  +++ include/uapi/linux/prctl.h	2023-03-03 11:18:51.090923569 -0300
  @@ -281,6 +281,12 @@
   # define PR_SME_VL_LEN_MASK		0xffff
   # define PR_SME_VL_INHERIT		(1 << 17) /* inherit across exec */

  +/* Memory deny write / execute */
  +#define PR_SET_MDWE			65
  +# define PR_MDWE_REFUSE_EXEC_GAIN	1
  +
  +#define PR_GET_MDWE			66
  +
   #define PR_SET_VMA		0x53564d41
   # define PR_SET_VMA_ANON_NAME		0

  $ tools/perf/trace/beauty/prctl_option.sh > before
  $ cp include/uapi/linux/prctl.h tools/include/uapi/linux/prctl.h
  $ tools/perf/trace/beauty/prctl_option.sh > after
  $ diff -u before after
  --- before	2023-03-03 11:47:43.320013146 -0300
  +++ after	2023-03-03 11:47:50.937216229 -0300
  @@ -59,6 +59,8 @@
   	[62] = "SCHED_CORE",
   	[63] = "SME_SET_VL",
   	[64] = "SME_GET_VL",
  +	[65] = "SET_MDWE",
  +	[66] = "GET_MDWE",
   };
   static const char *prctl_set_mm_options[] = {
   	[1] = "START_CODE",
  $

Now users can do:

  # perf trace -e syscalls:sys_enter_prctl --filter "option==SET_MDWE||option==GET_MDWE"
^C#
  # trace -v -e syscalls:sys_enter_prctl --filter "option==SET_MDWE||option==GET_MDWE"
  New filter for syscalls:sys_enter_prctl: (option==65||option==66) && (common_pid != 5519 && common_pid != 3404)
^C#

And when these prctl options appears in a session, they will be
translated to the corresponding string.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Joey Gouly <joey.gouly@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/lkml/ZAI%2FAoPXb%2Fsxz1%2Fm@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2023-03-03 22:34:08 -03:00
Arnaldo Carvalho de Melo
31d2e6b5d4 tools headers: Update the copy of x86's mem{cpy,set}_64.S used in 'perf bench'
We also continue with SYM_TYPED_FUNC_START() in util/include/linux/linkage.h
and with an exception in tools/perf/check_headers.sh's diff check to ignore
the include cfi_types.h line when checking if the kernel original files drifted
from the copies we carry.

This is to get the changes from:

  69d4c0d321 ("entry, kasan, x86: Disallow overriding mem*() functions")

That addresses these perf tools build warning:

  Warning: Kernel ABI header at 'tools/arch/x86/lib/memcpy_64.S' differs from latest version at 'arch/x86/lib/memcpy_64.S'
  diff -u tools/arch/x86/lib/memcpy_64.S arch/x86/lib/memcpy_64.S
  Warning: Kernel ABI header at 'tools/arch/x86/lib/memset_64.S' differs from latest version at 'arch/x86/lib/memset_64.S'
  diff -u tools/arch/x86/lib/memset_64.S arch/x86/lib/memset_64.S

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/lkml/ZAH%2FjsioJXGIOrkf@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2023-03-03 22:34:00 -03:00
Linus Torvalds
0988a0ea79 power supply changes for the v6.3 series (part 2)
- Fix DT binding for Richtek RT9467
 - Fix a NULL pointer check in the power-supply core
 - Document meaning of absent "present" property
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Merge tag 'for-v6.3-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull more power supply updates from Sebastian Reichel:

 - Fix DT binding for Richtek RT9467

 - Fix a NULL pointer check in the power-supply core

 - Document meaning of absent "present" property

* tag 'for-v6.3-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply:
  dt-bindings: power: supply: Revise Richtek RT9467 compatible name
  ABI: testing: sysfs-class-power: Document absence of "present" property
  power: supply: fix null pointer check order in __power_supply_register
2023-03-03 16:33:28 -08:00
Linus Torvalds
3162745aad 9 cifs/smb3 client fixes
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Merge tag '6.3-rc-smb3-client-fixes-part2' of git://git.samba.org/sfrench/cifs-2.6

Pull more cifs updates from Steve French:

 - xfstest generic/208 fix (memory leak)

 - minor netfs fix (to address smatch warning)

 - a DFS fix for stable

 - a reconnect race fix

 - two multichannel fixes

 - RDMA (smbdirect) fix

 - two additional writeback fixes from David

* tag '6.3-rc-smb3-client-fixes-part2' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: Fix memory leak in direct I/O
  cifs: prevent data race in cifs_reconnect_tcon()
  cifs: improve checking of DFS links over STATUS_OBJECT_NAME_INVALID
  iov: Fix netfs_extract_user_to_sg()
  cifs: Fix cifs_write_back_from_locked_folio()
  cifs: reuse cifs_match_ipaddr for comparison of dstaddr too
  cifs: match even the scope id for ipv6 addresses
  cifs: Fix an uninitialised variable
  cifs: Add some missing xas_retry() calls
2023-03-03 16:26:43 -08:00
Linus Torvalds
e778361555 umh: simplify the capability pointer logic
The usermodehelper code uses two fake pointers for the two capability
cases: CAP_BSET for reading and writing 'usermodehelper_bset', and
CAP_PI to read and write 'usermodehelper_inheritable'.

This seems to be a completely unnecessary indirection, since we could
instead just use the pointers themselves, and never have to do any "if
this then that" kind of logic.

So just get rid of the fake pointer values, and use the real pointer
values instead.

Reviewed-by: Luis Chamberlain <mcgrof@kernel.org>
Cc: Eric Biederman <ebiederm@xmission.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Kees Cook <keescook@chromium.org>
Cc: Iurii Zaikin <yzaikin@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2023-03-03 16:18:19 -08:00
Linus Torvalds
fb35342f0a Changes in make coccicheck and improve a semantic patch
This branch makes a couple of changes in make coccicheck related to
 shell commands.
 
 It also updates the api/atomic_as_refcounter semantic patch to include
 WARNING in the output message, as done in other cases.
 
 Signed-off-by: Julia Lawall <julia.lawall@inria.fr>
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Merge tag 'cocci-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/jlawall/linux

Pull coccinelle updates from Julia Lawall:
 "Changes in make coccicheck and improve a semantic patch

  This makes a couple of changes in make coccicheck related to shell
  commands.

  It also updates the api/atomic_as_refcounter semantic patch to include
  WARNING in the output message, as done in other cases"

* tag 'cocci-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/jlawall/linux:
  scripts: coccicheck: Use /usr/bin/env
  scripts: coccicheck: Avoid warning about spurious escape
  coccinelle: api/atomic_as_refcounter: include message type in output
2023-03-03 15:00:28 -08:00
Linus Torvalds
34c108a02c Rust fixes for 6.3-rc1
A single build error fix: there was a change during the merge window
 to a C header parsed by the Rust bindings generator, introducing a
 type that it does not handle well. The fix tells the generator to
 treat the type as opaque (for now).
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Merge tag 'rust-fixes-6.3-rc1' of https://github.com/Rust-for-Linux/linux

Pull Rust fix from Miguel Ojeda:
 "A single build error fix: there was a change during the merge window
  to a C header parsed by the Rust bindings generator, introducing a
  type that it does not handle well.

  The fix tells the generator to treat the type as opaque (for now)"

* tag 'rust-fixes-6.3-rc1' of https://github.com/Rust-for-Linux/linux:
  rust: bindgen: Add `alt_instr` as opaque type
2023-03-03 14:51:15 -08:00
Linus Torvalds
06caa75154 SCSI misc on 20230303
Updates that missed the first pull, mostly because of needing more
 soak time.  Driver updates (zfcp, ufs, mpi3mr, plus two ipr bug
 fixes), an enclosure services (ses) update (mostly bug fixes) and
 other minor bug fixes and changes.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull more SCSI updates from James Bottomley:
 "Updates that missed the first pull, mostly because of needing more
  soak time.

  Driver updates (zfcp, ufs, mpi3mr, plus two ipr bug fixes), an
  enclosure services (ses) update (mostly bug fixes) and other minor bug
  fixes and changes"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (32 commits)
  scsi: zfcp: Trace when request remove fails after qdio send fails
  scsi: zfcp: Change the type of all fsf request id fields and variables to u64
  scsi: zfcp: Make the type for accessing request hashtable buckets size_t
  scsi: ufs: core: Simplify ufshcd_execute_start_stop()
  scsi: ufs: core: Rely on the block layer for setting RQF_PM
  scsi: core: Extend struct scsi_exec_args
  scsi: lpfc: Fix double word in comments
  scsi: core: Remove the /proc/scsi/${proc_name} directory earlier
  scsi: core: Fix a source code comment
  scsi: cxgbi: Remove unneeded version.h include
  scsi: qedi: Remove unneeded version.h include
  scsi: mpi3mr: Remove unneeded version.h include
  scsi: mpi3mr: Fix missing mrioc->evtack_cmds initialization
  scsi: mpi3mr: Use number of bits to manage bitmap sizes
  scsi: mpi3mr: Remove unnecessary memcpy() to alltgt_info->dmi
  scsi: mpi3mr: Fix issues in mpi3mr_get_all_tgt_info()
  scsi: mpi3mr: Fix an issue found by KASAN
  scsi: mpi3mr: Replace 1-element array with flex-array
  scsi: ipr: Work around fortify-string warning
  scsi: ipr: Make ipr_probe_ioa_part2() return void
  ...
2023-03-03 14:41:50 -08:00
Dan Carpenter
65609d3206 i2c: gxp: fix an error code in probe
This is passing IS_ERR() instead of PTR_ERR() so instead of an error
code it prints and returns the number 1.

Fixes: 4a55ed6f89 ("i2c: Add GXP SoC I2C Controller")
Signed-off-by: Dan Carpenter <error27@gmail.com>
Reviewed-by: Nick Hawkins <nick.hawkins@hpe.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
2023-03-03 21:00:54 +01:00
Wolfram Sang
4b3dfb0ed6 i2c: gxp: return proper error on address NACK
According to Documentation/i2c/fault-codes.rst, NACK after sending an
address should be -ENXIO.

Signed-off-by: Wolfram Sang <wsa@kernel.org>
2023-03-03 21:00:26 +01:00
Wolfram Sang
1d092308ce i2c: gxp: remove "empty" switch statement
There used to be error messages which had to go. Now, it only consists
of 'break's, so it can go.

Signed-off-by: Wolfram Sang <wsa@kernel.org>
2023-03-03 20:57:29 +01:00
Benjamin Gray
a76d19e6ac i2c: Disable I2C_APPLE when I2C_PASEMI is a builtin
The ppc64le_allmodconfig sets I2C_PASEMI=y and leaves COMPILE_TEST to
default to y and I2C_APPLE to default to m, running into a known
incompatible configuration that breaks the build [1]. Specifically,
a common dependency (i2c-pasemi-core.o in this case) cannot be used by
both builtin and module consumers.

Disable I2C_APPLE when I2C_PASEMI is a builtin to prevent this.

[1]: https://lore.kernel.org/all/202112061809.XT99aPrf-lkp@intel.com

Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Benjamin Gray <bgray@linux.ibm.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Sven Peter <sven@svenpeter.dev>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
2023-03-03 20:55:15 +01:00
Srinivas Pandruvada
52f04f10b9 thermal: intel: int340x: processor_thermal: Fix deadlock
When user space updates the trip point there is a deadlock, which results
in caller gets blocked forever.

Commit 05eeee2b51 ("thermal/core: Protect sysfs accesses to thermal
operations with thermal zone mutex"), added a mutex for tz->lock in the
function trip_point_temp_store(). Hence, trip set callback() can't
call any thermal zone API as they are protected with the same mutex lock.

The callback here calling thermal_zone_device_enable(), which will result
in deadlock.

Move the thermal_zone_device_enable() to proc_thermal_pci_probe() to
avoid this deadlock.

Fixes: 05eeee2b51 ("thermal/core: Protect sysfs accesses to thermal operations with thermal zone mutex")
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@intel.com>
Cc: 6.2+ <stable@vger.kernel.org> # 6.2+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2023-03-03 20:34:49 +01:00
Linus Torvalds
0a3f9a6b02 More thermal control updates for 6.3-rc1
- Fix an error pointer dereference in the quark_dts Intel thermal
    driver (Dan Carpenter).
 
  - Fix the intel_bxt_pmic_thermal driver Kconfig entry to select REGMAP
    which is not user-visible instead of depending on it (Randy Dunlap).
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Merge tag 'thermal-6.3-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more thermal control updates from Rafael Wysocki:
 "These fix two issues in the Intel thermal control drivers.

  Specifics:

   - Fix an error pointer dereference in the quark_dts Intel thermal
     driver (Dan Carpenter)

   - Fix the intel_bxt_pmic_thermal driver Kconfig entry to select
     REGMAP which is not user-visible instead of depending on it (Randy
     Dunlap)"

* tag 'thermal-6.3-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  thermal: intel: BXT_PMIC: select REGMAP instead of depending on it
  thermal: intel: quark_dts: fix error pointer dereference
2023-03-03 10:41:59 -08:00
Linus Torvalds
44b6f565e7 More ACPI updates for 6.3-rc1
- Add an ACPI IRQ override quirk for Asus Expertbook B2402FBA (Vojtech
    Hejsek).
 
  - Drop a suspend-to-idle quirk for HP Elitebook G9 that is not needed
    any more after a firmware update (Mario Limonciello).
 
  - Add all Cezanne systems to the list for forcing StorageD3Enable,
    because they all need the same quirk (Mario Limonciello).
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Merge tag 'acpi-6.3-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more ACPI updates from Rafael Wysocki:
 "These update ACPI quirks for some x86 platforms and add an IRQ
  override quirk for one more system.

  Specifics:

   - Add an ACPI IRQ override quirk for Asus Expertbook B2402FBA
     (Vojtech Hejsek)

   - Drop a suspend-to-idle quirk for HP Elitebook G9 that is not needed
     any more after a firmware update (Mario Limonciello)

   - Add all Cezanne systems to the list for forcing StorageD3Enable,
     because they all need the same quirk (Mario Limonciello)"

* tag 'acpi-6.3-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI: x86: utils: Add Cezanne to the list for forcing StorageD3Enable
  ACPI: x86: Drop quirk for HP Elitebook
  ACPI: resource: Skip IRQ override on Asus Expertbook B2402FBA
2023-03-03 10:36:01 -08:00
Linus Torvalds
c8b4accf86 More power management updates for 6.3-rc1
- Fix error handling in the apple-soc cpufreq driver (Dan Carpenter).
 
  - Change the log level of a message in the amd-pstate cpufreq driver
    so it is more visible to users (Kai-Heng Feng).
 
  - Adjust the balance_performance EPP value for Sapphire Rapids in the
    intel_pstate cpufreq driver (Srinivas Pandruvada).
 
  - Remove MODULE_LICENSE from 3 pieces of non-modular code (Nick Alcock).
 
  - Make a read-only kobj_type structure in the schedutil cpufreq governor
    constant (Thomas Weißschuh).
 
  - Add Add Power Limit4 support for Meteor Lake SoC to the Intel RAPL
    power capping driver (Sumeet Pawnikar).
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Merge tag 'pm-6.3-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more power management updates from Rafael Wysocki:
 "These update power capping (new hardware support and cleanup) and
  cpufreq (bug fixes, cleanups and intel_pstate adjustment for a new
  platform).

  Specifics:

   - Fix error handling in the apple-soc cpufreq driver (Dan Carpenter)

   - Change the log level of a message in the amd-pstate cpufreq driver
     so it is more visible to users (Kai-Heng Feng)

   - Adjust the balance_performance EPP value for Sapphire Rapids in the
     intel_pstate cpufreq driver (Srinivas Pandruvada)

   - Remove MODULE_LICENSE from 3 pieces of non-modular code (Nick
     Alcock)

   - Make a read-only kobj_type structure in the schedutil cpufreq
     governor constant (Thomas Weißschuh)

   - Add Add Power Limit4 support for Meteor Lake SoC to the Intel RAPL
     power capping driver (Sumeet Pawnikar)"

* tag 'pm-6.3-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  cpufreq: apple-soc: Fix an IS_ERR() vs NULL check
  powercap: remove MODULE_LICENSE in non-modules
  cpufreq: intel_pstate: remove MODULE_LICENSE in non-modules
  powercap: RAPL: Add Power Limit4 support for Meteor Lake SoC
  cpufreq: amd-pstate: remove MODULE_LICENSE in non-modules
  cpufreq: schedutil: make kobj_type structure constant
  cpufreq: amd-pstate: Let user know amd-pstate is disabled
  cpufreq: intel_pstate: Adjust balance_performance EPP for Sapphire Rapids
2023-03-03 10:30:58 -08:00
Linus Torvalds
53ae7e1176 io_uring-6.3-2023-03-03
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Merge tag 'io_uring-6.3-2023-03-03' of git://git.kernel.dk/linux

Pull more io_uring updates from Jens Axboe:
 "Here's a set of fixes/changes that didn't make the first cut, either
  because they got queued before I sent the early merge request, or
  fixes that came in afterwards. In detail:

   - Don't set MSG_NOSIGNAL on recv/recvmsg opcodes, as AF_PACKET will
     error out (David)

   - Fix for spurious poll wakeups (me)

   - Fix for a file leak for buffered reads in certain conditions
     (Joseph)

   - Don't allow registered buffers of mixed types (Pavel)

   - Improve handling of huge pages for registered buffers (Pavel)

   - Provided buffer ring size calculation fix (Wojciech)

   - Minor cleanups (me)"

* tag 'io_uring-6.3-2023-03-03' of git://git.kernel.dk/linux:
  io_uring/poll: don't pass in wake func to io_init_poll_iocb()
  io_uring: fix fget leak when fs don't support nowait buffered read
  io_uring/poll: allow some retries for poll triggering spuriously
  io_uring: remove MSG_NOSIGNAL from recvmsg
  io_uring/rsrc: always initialize 'folio' to NULL
  io_uring/rsrc: optimise registered huge pages
  io_uring/rsrc: optimise single entry advance
  io_uring/rsrc: disallow multi-source reg buffers
  io_uring: remove unused wq_list_merge
  io_uring: fix size calculation when registering buf ring
  io_uring/rsrc: fix a comment in io_import_fixed()
  io_uring: rename 'in_idle' to 'in_cancel'
  io_uring: consolidate the put_ref-and-return section of adding work
2023-03-03 10:25:29 -08:00
Linus Torvalds
9d0281b56b block-6.3-2023-03-03
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Merge tag 'block-6.3-2023-03-03' of git://git.kernel.dk/linux

Pull block fixes from Jens Axboe:

 - NVMe pull request via Christoph:
      - Don't access released socket during error recovery (Akinobu
        Mita)
      - Bring back auto-removal of deleted namespaces during sequential
        scan (Christoph Hellwig)
      - Fix an error code in nvme_auth_process_dhchap_challenge (Dan
        Carpenter)
      - Show well known discovery name (Daniel Wagner)
      - Add a missing endianess conversion in effects masking (Keith
        Busch)

 - Fix for a regression introduced in blk-rq-qos during init in this
   merge window (Breno)

 - Reorder a few fields in struct blk_mq_tag_set, eliminating a few
   holes and shrinking it (Christophe)

 - Remove redundant bdev_get_queue() NULL checks (Juhyung)

 - Add sed-opal single user mode support flag (Luca)

 - Remove SQE128 check in ublk as it isn't needed, saving some memory
   (Ming)

 - Op specific segment checking for cloned requests (Uday)

 - Exclusive open partition scan fixes (Yu)

 - Loop offset/size checking before assigning them in the device (Zhong)

 - Bio polling fixes (me)

* tag 'block-6.3-2023-03-03' of git://git.kernel.dk/linux:
  blk-mq: enforce op-specific segment limits in blk_insert_cloned_request
  nvme-fabrics: show well known discovery name
  nvme-tcp: don't access released socket during error recovery
  nvme-auth: fix an error code in nvme_auth_process_dhchap_challenge()
  nvme: bring back auto-removal of deleted namespaces during sequential scan
  blk-iocost: Pass gendisk to ioc_refresh_params
  nvme: fix sparse warning on effects masking
  block: be a bit more careful in checking for NULL bdev while polling
  block: clear bio->bi_bdev when putting a bio back in the cache
  loop: loop_set_status_from_info() check before assignment
  ublk: remove check IO_URING_F_SQE128 in ublk_ch_uring_cmd
  block: remove more NULL checks after bdev_get_queue()
  blk-mq: Reorder fields in 'struct blk_mq_tag_set'
  block: fix scan partition for exclusively open device again
  block: Revert "block: Do not reread partition table on exclusively open device"
  sed-opal: add support flag for SUM in status ioctl
2023-03-03 10:21:39 -08:00
Linus Torvalds
1bd1aee6cd ATA fix for 6.3-rc1
* Revert commit 104ff59af7 ("ata: ahci: Add Tiger Lake UP{3,4} AHCI
    controller") as it is causing serious regressions (failure to boot)
    on some laptops.
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Merge tag 'ata-6.3-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata

Pull ATA fix from Damien Le Moal:

 - Revert commit 104ff59af7 ("ata: ahci: Add Tiger Lake UP{3,4} AHCI
   controller") as it is causing serious regressions (failure to boot)
   on some laptops

* tag 'ata-6.3-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata:
  ata: ahci: Revert "ata: ahci: Add Tiger Lake UP{3,4} AHCI controller"
2023-03-03 10:17:44 -08:00
Kalyan Thota
5ec498ba86 drm/msm/dpu: clear DSPP reservations in rm release
Clear DSPP reservations from the global state during
rm release

Fixes: e47616df00 ("drm/msm/dpu: add support for color processing blocks in dpu driver")
Signed-off-by: Kalyan Thota <quic_kalyant@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org>
Patchwork: https://patchwork.freedesktop.org/patch/522443/
Link: https://lore.kernel.org/r/1676286704-818-2-git-send-email-quic_kalyant@quicinc.com
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
2023-03-03 10:04:13 -08:00
Kuogee Hsieh
ce68153edb drm/msm/disp/dpu: fix sc7280_pp base offset
At sc7280, pingpong block is used to management the dither effects
to reduce distortion at panel. Currently pingpong-0 base offset is
wrongly set at 0x59000. This mistake will not cause system to crash.
However it will make dither not work. This patch correct sc7280 ping
pong-0 block base offset.

Changes in v2:
-- add more details info n regrading of pingpong block at commit text

Fixes: 591e34a091 ("drm/msm/disp/dpu1: add support for display for SC7280 target")
Signed-off-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/524332/
Link: https://lore.kernel.org/r/1677533800-3125-1-git-send-email-quic_khsieh@quicinc.com
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
2023-03-03 10:04:12 -08:00
Dmitry Baryshkov
1c1ded39bf drm/msm/dpu: fix stack smashing in dpu_hw_ctl_setup_blendstage
The rewritten dpu_hw_ctl_setup_blendstage() can lightly smash the stack
when setting the SSPP_NONE pipe. However it was unnoticed until the
kernel was tested under AOSP (with some kind of stack protection/check).

This fixes the following backtrace:

Unexpected kernel BRK exception at EL1
Internal error: BRK handler: 00000000f20003e8 [#1] PREEMPT SMP
Hardware name: Thundercomm Dragonboard 845c (DT)
pstate: a0400005 (NzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : dpu_hw_ctl_setup_blendstage+0x26c/0x278 [msm]
lr : _dpu_crtc_blend_setup+0x4b4/0x5a0 [msm]
sp : ffffffc00bdcb720
x29: ffffffc00bdcb720 x28: ffffff8085debac0 x27: 0000000000000002
x26: ffffffd74af18320 x25: ffffff8083af75a0 x24: ffffffc00bdcb878
x23: 0000000000000001 x22: 0000000000000000 x21: ffffff8085a70000
x20: ffffff8083012dc0 x19: 0000000000000001 x18: 0000000000000000
x17: 000000040044ffff x16: 045000f4b5593519 x15: 0000000000000000
x14: 000000000000000b x13: 0000000000000001 x12: 0000000000000000
x11: 0000000000000001 x10: ffffffc00bdcb764 x9 : ffffffd74af06a08
x8 : 0000000000000001 x7 : 0000000000000001 x6 : 0000000000000000
x5 : ffffffc00bdcb878 x4 : 0000000000000002 x3 : ffffffffffffffff
x2 : ffffffc00bdcb878 x1 : 0000000000000000 x0 : 0000000000000002
Call trace:
 dpu_hw_ctl_setup_blendstage+0x26c/0x278 [msm]
 _dpu_crtc_blend_setup+0x4b4/0x5a0 [msm]
 dpu_crtc_atomic_begin+0xd8/0x22c [msm]
 drm_atomic_helper_commit_planes+0x80/0x208 [drm_kms_helper]
 msm_atomic_commit_tail+0x134/0x6f0 [msm]
 commit_tail+0xa4/0x1a4 [drm_kms_helper]
 drm_atomic_helper_commit+0x170/0x184 [drm_kms_helper]
 drm_atomic_commit+0xac/0xe8
 drm_mode_atomic_ioctl+0xbf0/0xdac
 drm_ioctl_kernel+0xc4/0x178
 drm_ioctl+0x2c8/0x608
 __arm64_sys_ioctl+0xa8/0xec
 invoke_syscall+0x44/0x104
 el0_svc_common.constprop.0+0x44/0xec
 do_el0_svc+0x38/0x98
 el0_svc+0x2c/0xb4
 el0t_64_sync_handler+0xb8/0xbc
 el0t_64_sync+0x1a0/0x1a4
Code: 52800016 52800017 52800018 17ffffc7 (d4207d00)

Fixes: 4488f71f63 ("drm/msm/dpu: simplify blend configuration")
Reported-by: Amit Pundir <amit.pundir@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Tested-by: Amit Pundir <amit.pundir@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/523778/
Link: https://lore.kernel.org/r/20230223095708.3688148-1-dmitry.baryshkov@linaro.org
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
2023-03-03 10:04:11 -08:00
Dmitry Baryshkov
d6181c18d5 drm/msm/dpu: don't use DPU_CLK_CTRL_CURSORn for DMA SSPP clocks
DPU driver has been using the DPU_CLK_CTRL_CURSOR prefix for the DMA
SSPP blocks used for the cursor planes. This has lead to the confusion
at least for the MSM8998 platform. In preparation to supporting the
cursor SSPP blocks, use proper enum values to index DMA SSPP clock
controls.

Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550 on top of next-20230116
Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/522228/
Link: https://lore.kernel.org/r/20230211231259.1308718-14-dmitry.baryshkov@linaro.org
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
2023-03-03 10:04:11 -08:00
Dmitry Baryshkov
0abb6a24aa drm/msm/dpu: fix clocks settings for msm8998 SSPP blocks
DMA2 and DMA3 planes on msm8998 should use corresponding DMA2 and DMA3
clocks rather than CURSOR0/1 clocks (which are used for the CURSOR
planes). Correct corresponding SSPP declarations.

Fixes: 94391a14fc ("drm/msm/dpu1: Add MSM8998 to hw catalog")
Cc: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Cc: Jami Kettunen <jami.kettunen@somainline.org>
Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/522230/
Link: https://lore.kernel.org/r/20230211231259.1308718-13-dmitry.baryshkov@linaro.org
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
2023-03-03 10:04:10 -08:00
Dmitry Baryshkov
a5045b00a6 drm/msm/dpu: drop DPU_DIM_LAYER from MIXER_MSM8998_MASK
The msm8998 doesn't seem to support DIM_LAYER, so drop it from
the supported features mask.

Fixes: 2d8a4edb67 ("drm/msm/dpu: use feature bit for LM combined alpha check")
Fixes: 94391a14fc ("drm/msm/dpu1: Add MSM8998 to hw catalog")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/522231/
Link: https://lore.kernel.org/r/20230211231259.1308718-12-dmitry.baryshkov@linaro.org
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
2023-03-03 10:04:09 -08:00
Dmitry Baryshkov
38164e990a drm/msm/dpu: correct sm6115 scaler
QSEED4 is a newer variant of QSEED3LITE, which should be used on
sm6115. Fix the used feature masks.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Fixes: 3581b7062c ("drm/msm/disp/dpu1: add support for display on SM6115")
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/522219/
Link: https://lore.kernel.org/r/20230211231259.1308718-11-dmitry.baryshkov@linaro.org
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
2023-03-03 10:04:09 -08:00
Dmitry Baryshkov
03c0c3cb22 drm/msm/dpu: correct sm8250 and sm8350 scaler
QSEED4 is a newer variant of QSEED3LITE, which should be used on
sm8250 and sm8350. Fix the DPU caps structure and used feature masks.

Fixes: d21fc5dfc3 ("drm/msm/dpu1: add support for qseed3lite used on sm8250")
Fixes: 0e91bcbb00 ("drm/msm/dpu: Add SM8350 to hw catalog")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/522229/
Link: https://lore.kernel.org/r/20230211231259.1308718-10-dmitry.baryshkov@linaro.org
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
2023-03-03 10:04:08 -08:00
Dmitry Baryshkov
c7da17b678 drm/msm/dpu: correct sm8450 scaler
QSEED4 is a newer variant of QSEED3LITE, which should be used on
sm8450. Fix the used feature masks.

Fixes: 100d7ef699 ("drm/msm/dpu: add support for SM8450")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/522215/
Link: https://lore.kernel.org/r/20230211231259.1308718-9-dmitry.baryshkov@linaro.org
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
2023-03-03 10:04:07 -08:00
Dmitry Baryshkov
b3587cb645 drm/msm/dpu: correct sc8280xp scaler
QSEED4 is a newer variant of QSEED3LITE, which should be used on
sc8280xp. Fix the DPU caps structure and used feature masks.

Fixes: 4a352c2fc1 ("drm/msm/dpu: Introduce SC8280XP")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/522217/
Link: https://lore.kernel.org/r/20230211231259.1308718-8-dmitry.baryshkov@linaro.org
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
2023-03-03 10:04:07 -08:00
Dmitry Baryshkov
d113d267c3 drm/msm/dpu: correct sm8550 scaler
QSEED4 is a newer variant of QSEED3LITE, which should be used on
sm8550. Fix the DPU caps structure and used feature masks.

Fixes: efcd010772 ("drm/msm/dpu: add support for SM8550")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/522213/
Link: https://lore.kernel.org/r/20230211231259.1308718-7-dmitry.baryshkov@linaro.org
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
2023-03-03 10:04:06 -08:00
Dmitry Baryshkov
da06be8b4f drm/msm/dpu: fix sm6115 and qcm2290 mixer width limits
According to vendor DTS files both sm6115 and qcm2290 should have
max_mixer_width set to 2048 (DEFAULT_DPU_LINE_WIDTH). Correct it.

Fixes: 3581b7062c ("drm/msm/disp/dpu1: add support for display on SM6115")
Fixes: 5334087ee7 ("drm/msm: add support for QCM2290 MDSS")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/522212/
Link: https://lore.kernel.org/r/20230211231259.1308718-6-dmitry.baryshkov@linaro.org
[quic_abhinavk@quicinc.com: fix minor typo in commit message]
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
2023-03-03 10:04:05 -08:00
Dmitry Baryshkov
ce6bd00abc drm/msm/dpu: fix len of sc7180 ctl blocks
Change sc7180's ctl block len to 0x1dc.

Fixes: 7bdc0c4b81 ("msm:disp:dpu1: add support for display for SC7180 target")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/522210/
Link: https://lore.kernel.org/r/20230211231259.1308718-5-dmitry.baryshkov@linaro.org
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
2023-03-03 10:04:05 -08:00
Dmitry Baryshkov
e301195507 drm/msm/dpu: fix typo in in sm8550's dma_sblk_5
Fix typo in the name of the sblk structure for the sm8550's dma_sblk_5.

Fixes: efcd010772 ("drm/msm/dpu: add support for SM8550")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/522225/
Link: https://lore.kernel.org/r/20230211231259.1308718-4-dmitry.baryshkov@linaro.org
[quic_abhinavk@quicinc.com: fix minor typo in commit message]
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
2023-03-03 10:02:39 -08:00