Commit Graph

1201506 Commits

Author SHA1 Message Date
Peter Zijlstra
42be649dd1 x86/cpu: Rename srso_(.*)_alias to srso_alias_\1
For a more consistent namespace.

  [ bp: Fixup names in the doc too. ]

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20230814121148.976236447@infradead.org
2023-08-16 21:58:53 +02:00
Peter Zijlstra
d025b7bac0 x86/cpu: Rename original retbleed methods
Rename the original retbleed return thunk and untrain_ret to
retbleed_return_thunk() and retbleed_untrain_ret().

No functional changes.

Suggested-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20230814121148.909378169@infradead.org
2023-08-16 21:47:53 +02:00
Peter Zijlstra
d43490d0ab x86/cpu: Clean up SRSO return thunk mess
Use the existing configurable return thunk. There is absolute no
justification for having created this __x86_return_thunk alternative.

To clarify, the whole thing looks like:

Zen3/4 does:

  srso_alias_untrain_ret:
	  nop2
	  lfence
	  jmp srso_alias_return_thunk
	  int3

  srso_alias_safe_ret: // aliasses srso_alias_untrain_ret just so
	  add $8, %rsp
	  ret
	  int3

  srso_alias_return_thunk:
	  call srso_alias_safe_ret
	  ud2

While Zen1/2 does:

  srso_untrain_ret:
	  movabs $foo, %rax
	  lfence
	  call srso_safe_ret           (jmp srso_return_thunk ?)
	  int3

  srso_safe_ret: // embedded in movabs instruction
	  add $8,%rsp
          ret
          int3

  srso_return_thunk:
	  call srso_safe_ret
	  ud2

While retbleed does:

  zen_untrain_ret:
	  test $0xcc, %bl
	  lfence
	  jmp zen_return_thunk
          int3

  zen_return_thunk: // embedded in the test instruction
	  ret
          int3

Where Zen1/2 flush the BTB entry using the instruction decoder trick
(test,movabs) Zen3/4 use BTB aliasing. SRSO adds a return sequence
(srso_safe_ret()) which forces the function return instruction to
speculate into a trap (UD2).  This RET will then mispredict and
execution will continue at the return site read from the top of the
stack.

Pick one of three options at boot (evey function can only ever return
once).

  [ bp: Fixup commit message uarch details and add them in a comment in
    the code too. Add a comment about the srso_select_mitigation()
    dependency on retbleed_select_mitigation(). Add moar ifdeffery for
    32-bit builds. Add a dummy srso_untrain_ret_alias() definition for
    32-bit alternatives needing the symbol. ]

Fixes: fb3bd914b3 ("x86/srso: Add a Speculative RAS Overflow mitigation")
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20230814121148.842775684@infradead.org
2023-08-16 21:47:24 +02:00
Peter Zijlstra
095b8303f3 x86/alternative: Make custom return thunk unconditional
There is infrastructure to rewrite return thunks to point to any
random thunk one desires, unwrap that from CALL_THUNKS, which up to
now was the sole user of that.

  [ bp: Make the thunks visible on 32-bit and add ifdeffery for the
    32-bit builds. ]

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20230814121148.775293785@infradead.org
2023-08-16 09:39:16 +02:00
Peter Zijlstra
4ae68b26c3 objtool/x86: Fix SRSO mess
Objtool --rethunk does two things:

 - it collects all (tail) call's of __x86_return_thunk and places them
   into .return_sites. These are typically compiler generated, but
   RET also emits this same.

 - it fudges the validation of the __x86_return_thunk symbol; because
   this symbol is inside another instruction, it can't actually find
   the instruction pointed to by the symbol offset and gets upset.

Because these two things pertained to the same symbol, there was no
pressing need to separate these two separate things.

However, alas, along comes SRSO and more crazy things to deal with
appeared.

The SRSO patch itself added the following symbol names to identify as
rethunk:

  'srso_untrain_ret', 'srso_safe_ret' and '__ret'

Where '__ret' is the old retbleed return thunk, 'srso_safe_ret' is a
new similarly embedded return thunk, and 'srso_untrain_ret' is
completely unrelated to anything the above does (and was only included
because of that INT3 vs UD2 issue fixed previous).

Clear things up by adding a second category for the embedded instruction
thing.

Fixes: fb3bd914b3 ("x86/srso: Add a Speculative RAS Overflow mitigation")
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20230814121148.704502245@infradead.org
2023-08-16 09:39:16 +02:00
Peter Zijlstra
af023ef335 x86/cpu: Fix up srso_safe_ret() and __x86_return_thunk()
vmlinux.o: warning: objtool: srso_untrain_ret() falls through to next function __x86_return_skl()
  vmlinux.o: warning: objtool: __x86_return_thunk() falls through to next function __x86_return_skl()

This is because these functions (can) end with CALL, which objtool
does not consider a terminating instruction. Therefore, replace the
INT3 instruction (which is a non-fatal trap) with UD2 (which is a
fatal-trap).

This indicates execution will not continue past this point.

Fixes: fb3bd914b3 ("x86/srso: Add a Speculative RAS Overflow mitigation")
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20230814121148.637802730@infradead.org
2023-08-16 09:39:16 +02:00
Peter Zijlstra
77f6711900 x86/cpu: Fix __x86_return_thunk symbol type
Commit

  fb3bd914b3 ("x86/srso: Add a Speculative RAS Overflow mitigation")

reimplemented __x86_return_thunk with a mix of SYM_FUNC_START and
SYM_CODE_END, this is not a sane combination.

Since nothing should ever actually 'CALL' this, make it consistently
CODE.

Fixes: fb3bd914b3 ("x86/srso: Add a Speculative RAS Overflow mitigation")
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20230814121148.571027074@infradead.org
2023-08-16 09:39:16 +02:00
Petr Pavlu
833fd800bf x86/retpoline,kprobes: Skip optprobe check for indirect jumps with retpolines and IBT
The kprobes optimization check can_optimize() calls
insn_is_indirect_jump() to detect indirect jump instructions in
a target function. If any is found, creating an optprobe is disallowed
in the function because the jump could be from a jump table and could
potentially land in the middle of the target optprobe.

With retpolines, insn_is_indirect_jump() additionally looks for calls to
indirect thunks which the compiler potentially used to replace original
jumps. This extra check is however unnecessary because jump tables are
disabled when the kernel is built with retpolines. The same is currently
the case with IBT.

Based on this observation, remove the logic to look for calls to
indirect thunks and skip the check for indirect jumps altogether if the
kernel is built with retpolines or IBT. Remove subsequently the symbols
__indirect_thunk_start and __indirect_thunk_end which are no longer
needed.

Dropping this logic indirectly fixes a problem where the range
[__indirect_thunk_start, __indirect_thunk_end] wrongly included also the
return thunk. It caused that machines which used the return thunk as
a mitigation and didn't have it patched by any alternative ended up not
being able to use optprobes in any regular function.

Fixes: 0b53c374b9 ("x86/retpoline: Use -mfunction-return")
Suggested-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Suggested-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Petr Pavlu <petr.pavlu@suse.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Link: https://lore.kernel.org/r/20230711091952.27944-3-petr.pavlu@suse.com
2023-08-14 11:46:51 +02:00
Petr Pavlu
79cd2a1122 x86/retpoline,kprobes: Fix position of thunk sections with CONFIG_LTO_CLANG
The linker script arch/x86/kernel/vmlinux.lds.S matches the thunk
sections ".text.__x86.*" from arch/x86/lib/retpoline.S as follows:

  .text {
    [...]
    TEXT_TEXT
    [...]
    __indirect_thunk_start = .;
    *(.text.__x86.*)
    __indirect_thunk_end = .;
    [...]
  }

Macro TEXT_TEXT references TEXT_MAIN which normally expands to only
".text". However, with CONFIG_LTO_CLANG, TEXT_MAIN becomes
".text .text.[0-9a-zA-Z_]*" which wrongly matches also the thunk
sections. The output layout is then different than expected. For
instance, the currently defined range [__indirect_thunk_start,
__indirect_thunk_end] becomes empty.

Prevent the problem by using ".." as the first separator, for example,
".text..__x86.indirect_thunk". This pattern is utilized by other
explicit section names which start with one of the standard prefixes,
such as ".text" or ".data", and that need to be individually selected in
the linker script.

  [ nathan: Fix conflicts with SRSO and fold in fix issue brought up by
    Andrew Cooper in post-review:
    https://lore.kernel.org/20230803230323.1478869-1-andrew.cooper3@citrix.com ]

Fixes: dc5723b02e ("kbuild: add support for Clang LTO")
Signed-off-by: Petr Pavlu <petr.pavlu@suse.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20230711091952.27944-2-petr.pavlu@suse.com
2023-08-14 11:44:19 +02:00
Borislav Petkov (AMD)
e9fbc47b81 x86/srso: Disable the mitigation on unaffected configurations
Skip the srso cmd line parsing which is not needed on Zen1/2 with SMT
disabled and with the proper microcode applied (latter should be the
case anyway) as those are not affected.

Fixes: 5a15d83488 ("x86/srso: Tie SBPB bit setting to microcode patch detection")
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20230813104517.3346-1-bp@alien8.de
2023-08-14 11:28:51 +02:00
Borislav Petkov (AMD)
f58d6fbcb7 x86/CPU/AMD: Fix the DIV(0) initial fix attempt
Initially, it was thought that doing an innocuous division in the #DE
handler would take care to prevent any leaking of old data from the
divider but by the time the fault is raised, the speculation has already
advanced too far and such data could already have been used by younger
operations.

Therefore, do the innocuous division on every exit to userspace so that
userspace doesn't see any potentially old data from integer divisions in
kernel space.

Do the same before VMRUN too, to protect host data from leaking into the
guest too.

Fixes: 77245f1c3c ("x86/CPU/AMD: Do not leak quotient data after a division by 0")
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Cc: <stable@kernel.org>
Link: https://lore.kernel.org/r/20230811213824.10025-1-bp@alien8.de
2023-08-14 11:02:50 +02:00
Sean Christopherson
ba5ca5e5e6 x86/retpoline: Don't clobber RFLAGS during srso_safe_ret()
Use LEA instead of ADD when adjusting %rsp in srso_safe_ret{,_alias}()
so as to avoid clobbering flags.  Drop one of the INT3 instructions to
account for the LEA consuming one more byte than the ADD.

KVM's emulator makes indirect calls into a jump table of sorts, where
the destination of each call is a small blob of code that performs fast
emulation by executing the target instruction with fixed operands.

E.g. to emulate ADC, fastop() invokes adcb_al_dl():

  adcb_al_dl:
    <+0>:  adc    %dl,%al
    <+2>:  jmp    <__x86_return_thunk>

A major motivation for doing fast emulation is to leverage the CPU to
handle consumption and manipulation of arithmetic flags, i.e. RFLAGS is
both an input and output to the target of the call.  fastop() collects
the RFLAGS result by pushing RFLAGS onto the stack and popping them back
into a variable (held in %rdi in this case):

  asm("push %[flags]; popf; " CALL_NOSPEC " ; pushf; pop %[flags]\n"

  <+71>: mov    0xc0(%r8),%rdx
  <+78>: mov    0x100(%r8),%rcx
  <+85>: push   %rdi
  <+86>: popf
  <+87>: call   *%rsi
  <+89>: nop
  <+90>: nop
  <+91>: nop
  <+92>: pushf
  <+93>: pop    %rdi

and then propagating the arithmetic flags into the vCPU's emulator state:

  ctxt->eflags = (ctxt->eflags & ~EFLAGS_MASK) | (flags & EFLAGS_MASK);

  <+64>:  and    $0xfffffffffffff72a,%r9
  <+94>:  and    $0x8d5,%edi
  <+109>: or     %rdi,%r9
  <+122>: mov    %r9,0x10(%r8)

The failures can be most easily reproduced by running the "emulator"
test in KVM-Unit-Tests.

If you're feeling a bit of deja vu, see commit b63f20a778
("x86/retpoline: Don't clobber RFLAGS during CALL_NOSPEC on i386").

In addition, this breaks booting of clang-compiled guest on
a gcc-compiled host where the host contains the %rsp-modifying SRSO
mitigations.

  [ bp: Massage commit message, extend, remove addresses. ]

Fixes: fb3bd914b3 ("x86/srso: Add a Speculative RAS Overflow mitigation")
Closes: https://lore.kernel.org/all/de474347-122d-54cd-eabf-9dcc95ab9eae@amd.com
Reported-by: Srikanth Aithal <sraithal@amd.com>
Reported-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/20230810013334.GA5354@dev-arch.thelio-3990X/
Link: https://lore.kernel.org/r/20230811155255.250835-1-seanjc@google.com
2023-08-14 10:47:55 +02:00
Linus Torvalds
2ccdd1b13c Linux 6.5-rc6 2023-08-13 11:29:55 -07:00
Linus Torvalds
4c75bf7e4a Kbuild fixes for v6.5 (2nd)
- Clear errno before calling getline().
 
  - Fix a modpost warning for ARCH=alpha
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Merge tag 'kbuild-fixes-v6.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - Clear errno before calling getline()

 - Fix a modpost warning for ARCH=alpha

* tag 'kbuild-fixes-v6.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  alpha: remove __init annotation from exported page_is_ram()
  scripts/kallsyms: Fix build failure by setting errno before calling getline()
2023-08-13 08:56:24 -07:00
Linus Torvalds
3dcf1473c7 platform-drivers-x86 for v6.5-4
Highlights:
  -  lenovo-ymc driver causes keyboard + touchpad to not work with >= 6.4
     on some Thinkbook models, fix this
  -  A set of small fixes for mlx-platform
  -  Other small fixes and hw-id additions
 
 The following is an automated git shortlog grouped by driver:
 
 ACPI:
  -  scan: Create platform device for CS35L56
 
 ISST:
  -  Reduce noise for missing numa information in logs
 
 lenovo-ymc:
  -  Only bind on machines with a convertible DMI chassis-type
 
 msi-ec:
  -  Fix the build
 
 platform:
  -  mellanox: Change register offset addresses
  -  mellanox: mlx-platform: Modify graceful shutdown callback and power down mask
  -  mellanox: mlx-platform: Fix signals polarity and latch mask
  -  mellanox: Fix order in exit flow
 
 platform/x86/amd/pmf:
  -  Fix unsigned comparison with less than zero
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Merge tag 'platform-drivers-x86-v6.5-4' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform drivers fixes from Hans de Goede:

 -  lenovo-ymc driver causes keyboard + touchpad to not work with >= 6.4
    on some Thinkbook models, fix this

 -  A set of small fixes for mlx-platform

 -  Other small fixes and hw-id additions

* tag 'platform-drivers-x86-v6.5-4' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
  platform/x86: lenovo-ymc: Only bind on machines with a convertible DMI chassis-type
  platform: mellanox: Change register offset addresses
  platform: mellanox: mlx-platform: Modify graceful shutdown callback and power down mask
  platform: mellanox: mlx-platform: Fix signals polarity and latch mask
  platform: mellanox: Fix order in exit flow
  platform/x86: ISST: Reduce noise for missing numa information in logs
  platform/x86: msi-ec: Fix the build
  ACPI: scan: Create platform device for CS35L56
  platform/x86/amd/pmf: Fix unsigned comparison with less than zero
2023-08-13 08:50:26 -07:00
Linus Torvalds
7308e92756 SCSI fixes on 20230813
Eleven small fixes, ten in drivers.  Of the two fixes marked core, one
 is in the raid helper class (used by some raid device drivers) and the
 other one is the /proc/scsi/scsi parsing fix for potential reads
 beyond the end of the buffer.
 
 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:
 "Eleven small fixes, ten in drivers.

  Of the two fixes marked core, one is in the raid helper class (used by
  some raid device drivers) and the other one is the /proc/scsi/scsi
  parsing fix for potential reads beyond the end of the buffer"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: qedf: Fix firmware halt over suspend and resume
  scsi: qedi: Fix firmware halt over suspend and resume
  scsi: qedi: Fix potential deadlock on &qedi_percpu->p_work_lock
  scsi: lpfc: Remove reftag check in DIF paths
  scsi: ufs: renesas: Fix private allocation
  scsi: snic: Fix possible memory leak if device_add() fails
  scsi: core: Fix possible memory leak if device_add() fails
  scsi: core: Fix legacy /proc parsing buffer overflow
  scsi: 53c700: Check that command slot is not NULL
  scsi: fnic: Replace return codes in fnic_clean_pending_aborts()
  scsi: storvsc: Fix handling of virtual Fibre Channel timeouts
2023-08-13 08:43:26 -07:00
Hans de Goede
2b6aa6610d platform/x86: lenovo-ymc: Only bind on machines with a convertible DMI chassis-type
The lenovo-ymc driver is causing the keyboard + touchpad to stop working
on some regular laptop models such as the Lenovo ThinkBook 13s G2 ITL 20V9.

The problem is that there are YMC WMI GUID methods in the ACPI tables
of these laptops, despite them not being Yogas and lenovo-ymc loading
causes libinput to see a SW_TABLET_MODE switch with state 1.

This in turn causes libinput to ignore events from the builtin keyboard
and touchpad, since it filters those out for a Yoga in tablet mode.

Similar issues with false-positive SW_TABLET_MODE=1 reporting have
been seen with the intel-hid driver.

Copy the intel-hid driver approach to fix this and only bind to the WMI
device on machines where the DMI chassis-type indicates the machine
is a convertible.

Add a 'force' module parameter to allow overriding the chassis-type check
so that users can easily test if the YMC interface works on models which
report an unexpected chassis-type.

Fixes: e82882cdd2 ("platform/x86: Add driver for Yoga Tablet Mode switch")
Link: https://bugzilla.redhat.com/show_bug.cgi?id=2229373
Cc: André Apitzsch <git@apitzsch.eu>
Cc: stable@vger.kernel.org
Tested-by: Andrew Kallmeyer <kallmeyeras@gmail.com>
Tested-by: Gergő Köteles <soyer@irl.hu>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230812144818.383230-1-hdegoede@redhat.com
2023-08-13 14:50:25 +02:00
Vadim Pasternak
d66a8aab7d platform: mellanox: Change register offset addresses
Move debug register offsets to different location due to hardware changes.

Fixes: dd635e33b5 ("platform: mellanox: Introduce support of new Nvidia L1 switch")
Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Reviewed-by: Michael Shych <michaelsh@nvidia.com>
Link: https://lore.kernel.org/r/20230813083735.39090-5-vadimp@nvidia.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2023-08-13 14:49:46 +02:00
Vadim Pasternak
9f8ccdb508 platform: mellanox: mlx-platform: Modify graceful shutdown callback and power down mask
Use kernel_power_off() instead of kernel_halt() to pass through
machine_power_off() -> pm_power_off(), otherwise axillary power does
not go off.

Change "power down" bitmask.

Fixes: dd635e33b5 ("platform: mellanox: Introduce support of new Nvidia L1 switch")
Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Reviewed-by: Michael Shych <michaelsh@nvidia.com>
Link: https://lore.kernel.org/r/20230813083735.39090-4-vadimp@nvidia.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2023-08-13 14:49:46 +02:00
Vadim Pasternak
3c91d7e8c6 platform: mellanox: mlx-platform: Fix signals polarity and latch mask
Change polarity of chassis health and power signals and fix latch reset
mask for L1 switch.

Fixes: dd635e33b5 ("platform: mellanox: Introduce support of new Nvidia L1 switch")
Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Reviewed-by: Michael Shych <michaelsh@nvidia.com>
Link: https://lore.kernel.org/r/20230813083735.39090-3-vadimp@nvidia.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2023-08-13 14:49:46 +02:00
Vadim Pasternak
8e3938cff0 platform: mellanox: Fix order in exit flow
Fix exit flow order: call mlxplat_post_exit() after
mlxplat_i2c_main_exit() in order to unregister main i2c driver before
to "mlxplat" driver.

Fixes: 0170f616f4 ("platform: mellanox: Split initialization procedure")
Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Reviewed-by: Michael Shych <michaelsh@nvidia.com>
Link: https://lore.kernel.org/r/20230813083735.39090-2-vadimp@nvidia.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2023-08-13 14:49:46 +02:00
Linus Torvalds
a785fd28d3 for-6.5-rc5-tag
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Merge tag 'for-6.5-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux

Pull btrfs fixes from David Sterba:
 "More fixes, some of them going back to older releases and there are
  fixes for hangs in stress tests regarding space caching:

   - fixes and progress tracking for hangs in free space caching, found
     by test generic/475

   - writeback fixes, write pages in integrity mode and skip writing
     pages that have been written meanwhile

   - properly clear end of extent range after an error

   - relocation fixes:
      - fix race betwen qgroup tree creation and relocation
      - detect and report invalid reloc roots"

* tag 'for-6.5-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
  btrfs: set cache_block_group_error if we find an error
  btrfs: reject invalid reloc tree root keys with stack dump
  btrfs: exit gracefully if reloc roots don't match
  btrfs: avoid race between qgroup tree creation and relocation
  btrfs: properly clear end of the unreserved range in cow_file_range
  btrfs: don't wait for writeback on clean pages in extent_write_cache_pages
  btrfs: don't stop integrity writeback too early
  btrfs: wait for actual caching progress during allocation
2023-08-12 13:28:55 -07:00
Linus Torvalds
ae545c3283 gpio fixes for v6.5-rc6
- mark virtual chips exposed by gpio-sim as ones that can sleep (callbacks
   must not be called from interrupt context)
 - fix an off-by-one error in gpio-ws16c48
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Merge tag 'gpio-fixes-for-v6.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull gpio fixes from Bartosz Golaszewski:

 - mark virtual chips exposed by gpio-sim as ones that can sleep
   (callbacks must not be called from interrupt context)

 - fix an off-by-one error in gpio-ws16c48

* tag 'gpio-fixes-for-v6.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
  gpio: ws16c48: Fix off-by-one error in WS16C48 resource region extent
  gpio: sim: mark the GPIO chip as a one that can sleep
2023-08-12 11:34:23 -07:00
Mateusz Guzik
c8afaa1b0f locking: remove spin_lock_prefetch
The only remaining consumer is new_inode, where it showed up in 2001 as
commit c37fa164f793 ("v2.4.9.9 -> v2.4.9.10") in a historical repo [1]
with a changelog which does not mention it.

Since then the line got only touched up to keep compiling.

While it may have been of benefit back in the day, it is guaranteed to
at best not get in the way in the multicore setting -- as the code
performs *a lot* of work between the prefetch and actual lock acquire,
any contention means the cacheline is already invalid by the time the
routine calls spin_lock().  It adds spurious traffic, for short.

On top of it prefetch is notoriously tricky to use for single-threaded
purposes, making it questionable from the get go.

As such, remove it.

I admit upfront I did not see value in benchmarking this change, but I
can do it if that is deemed appropriate.

Removal from new_inode and of the entire thing are in the same patch as
requested by Linus, so whatever weird looks can be directed at that guy.

Link: https://git.kernel.org/pub/scm/linux/kernel/git/tglx/history.git/commit/fs/inode.c?id=c37fa164f793735b32aa3f53154ff1a7659e6442 [1]
Signed-off-by: Mateusz Guzik <mjguzik@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2023-08-12 09:18:47 -07:00
Linus Torvalds
3feecb1b84 Char/Misc driver fixes for 6.5-rc6
Here are some small char/misc driver fixes for 6.5-rc6 that resolve some
 reported issues.  Included in here are:
   - bunch of iio driver fixes for reported problems
   - interconnect driver fixes
   - counter driver build fix
   - cardreader driver fixes
   - binder driver fixes
   - other tiny driver fixes
 
 All of these have been in linux-next for a while with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char / misc driver fixes from Greg KH:
 "Here are some small char/misc driver fixes for 6.5-rc6 that resolve
  some reported issues. Included in here are:

   - bunch of iio driver fixes for reported problems

   - interconnect driver fixes

   - counter driver build fix

   - cardreader driver fixes

   - binder driver fixes

   - other tiny driver fixes

  All of these have been in linux-next for a while with no reported
  problems"

* tag 'char-misc-6.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (21 commits)
  misc: tps6594-esm: Disable ESM for rev 1 PMIC
  misc: rtsx: judge ASPM Mode to set PETXCFG Reg
  binder: fix memory leak in binder_init()
  iio: cros_ec: Fix the allocation size for cros_ec_command
  tools/counter: Makefile: Replace rmdir by rm to avoid make,clean failure
  iio: imu: lsm6dsx: Fix mount matrix retrieval
  iio: adc: meson: fix core clock enable/disable moment
  iio: core: Prevent invalid memory access when there is no parent
  iio: frequency: admv1013: propagate errors from regulator_get_voltage()
  counter: Fix menuconfig "Counter support" submenu entries disappearance
  dt-bindings: iio: adi,ad74115: remove ref from -nanoamp
  iio: adc: ina2xx: avoid NULL pointer dereference on OF device match
  iio: light: bu27008: Fix intensity data type
  iio: light: bu27008: Fix scale format
  iio: light: bu27034: Fix scale format
  iio: adc: ad7192: Fix ac excitation feature
  interconnect: qcom: sa8775p: add enable_mask for bcm nodes
  interconnect: qcom: sm8550: add enable_mask for bcm nodes
  interconnect: qcom: sm8450: add enable_mask for bcm nodes
  interconnect: qcom: Add support for mask-based BCMs
  ...
2023-08-12 09:03:15 -07:00
Linus Torvalds
469a2f5041 USB/Thunderbolt driver fixes for 6.5-rc6
Here are some small USB and Thunderbolt driver fixes for reported
 problems.  Included in here are:
   - thunderbolt driver memory leak fix
   - thunderbolt display flicker fix
   - usb dwc3 driver fix
   - usb gadget uvc disconnect crash fix
   - usb typec Kconfig build dependency fix
   - usb typec small fixes
   - usb-con-gpio bugfix
   - usb-storage old driver bugfix
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB / Thunderbolt driver fixes from Greg KH:
 "Here are some small USB and Thunderbolt driver fixes for reported
  problems. Included in here are:

   - thunderbolt driver memory leak fix

   - thunderbolt display flicker fix

   - usb dwc3 driver fix

   - usb gadget uvc disconnect crash fix

   - usb typec Kconfig build dependency fix

   - usb typec small fixes

   - usb-con-gpio bugfix

   - usb-storage old driver bugfix

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'usb-6.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  thunderbolt: Fix memory leak in tb_handle_dp_bandwidth_request()
  usb: dwc3: Properly handle processing of pending events
  usb-storage: alauda: Fix uninit-value in alauda_check_media()
  usb: common: usb-conn-gpio: Prevent bailing out if initial role is none
  USB: Gadget: core: Help prevent panic during UVC unconfigure
  usb: typec: mux: intel: Add dependency on USB_COMMON
  usb: typec: nb7vpq904m: Add an error handling path in nb7vpq904m_probe()
  usb: typec: altmodes/displayport: Signal hpd when configuring pin assignment
  usb: typec: tcpm: Fix response to vsafe0V event
  thunderbolt: Fix Thunderbolt 3 display flickering issue on 2nd hot plug onwards
2023-08-12 08:58:54 -07:00
Linus Torvalds
43972cf2de - Do not parse the confidential computing blob on non-AMD hardware as it
leads to an EFI config table ending up unmapped
 
 - Use the correct segment selector in the 32-bit version of getcpu() in
   the vDSO
 
 - Make sure vDSO and VVAR regions are placed in the 47-bit VA range even
   on 5-level paging systems
 
 - Add models 0x90-0x91 to the range of AMD Zenbleed-affected CPUs
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Merge tag 'x86_urgent_for_v6.5_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fixes from Borislav Petkov:

 - Do not parse the confidential computing blob on non-AMD hardware as
   it leads to an EFI config table ending up unmapped

 - Use the correct segment selector in the 32-bit version of getcpu() in
   the vDSO

 - Make sure vDSO and VVAR regions are placed in the 47-bit VA range
   even on 5-level paging systems

 - Add models 0x90-0x91 to the range of AMD Zenbleed-affected CPUs

* tag 'x86_urgent_for_v6.5_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/cpu/amd: Enable Zenbleed fix for AMD Custom APU 0405
  x86/mm: Fix VDSO and VVAR placement on 5-level paging machines
  x86/linkage: Fix typo of BUILD_VDSO in asm/linkage.h
  x86/vdso: Choose the right GDT_ENTRY_CPUNODE for 32-bit getcpu() on 64-bit kernel
  x86/sev: Do not try to parse for the CC blob on non-AMD hardware
2023-08-12 08:47:01 -07:00
Linus Torvalds
272b86ba9d - A first series of cleanups/unifications and documentation improvements
to the SRSO and GDS mitigations code which got postponed to after the
   embargo date
 
 - Fix the SRSO aliasing addresses assertion so that the LLVM linker can
   parse it too
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Merge tag 'x86_bugs_for_v6.5_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 mitigation fixes from Borislav Petkov:
 "The first set of fallout fixes after the embargo madness. There will
  be another set next week too.

   - A first series of cleanups/unifications and documentation
     improvements to the SRSO and GDS mitigations code which got
     postponed to after the embargo date

   - Fix the SRSO aliasing addresses assertion so that the LLVM linker
     can parse it too"

* tag 'x86_bugs_for_v6.5_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  driver core: cpu: Fix the fallback cpu_show_gds() name
  x86: Move gds_ucode_mitigated() declaration to header
  x86/speculation: Add cpu_show_gds() prototype
  driver core: cpu: Make cpu_show_not_affected() static
  x86/srso: Fix build breakage with the LLVM linker
  Documentation/srso: Document IBPB aspect and fix formatting
  driver core: cpu: Unify redundant silly stubs
  Documentation/hw-vuln: Unify filename specification in index
2023-08-12 08:34:20 -07:00
Linus Torvalds
f8de32cc06 Hi,
These change the probing and enabling of interrupts advertised by the
 platform firmware (i.e. ACPI, Device Tree) to tpm_tis as an opt-in,
 which can be set from the kernel command-line.
 
 BR, Jarkko
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Merge tag 'tpmdd-v6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd

Pull tpm irq fixes from Jarkko Sakkinen:
 "These change the probing and enabling of interrupts advertised by the
  platform firmware (i.e. ACPI, Device Tree) to be an opt-in for tpm_tis,
  which can be set from the kernel command-line.

  Note that the opt-in change is only for the PC MMIO tpm_tis module. It
  does not affect other similar drivers using IRQs, like tpm_tis_spi and
  synquacer"

* tag 'tpmdd-v6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd:
  tpm_tis: Opt-in interrupts
  tpm: tpm_tis: Fix UPX-i11 DMI_MATCH condition
2023-08-11 19:46:04 -07:00
Linus Torvalds
9a20704fb4 v6.5 second rc RDMA pull request
Few small bugs:
 
 - Fix longstanding mlx5 bug where ODP would fail with certain MR alignments
 
 - cancel work to prevent a hfi1 UAF
 
 - MAINTAINERS update
 
 - UAF, missing mutex_init and an error unwind bug in bnxt_re
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

Pull rdma fixes from Jason Gunthorpe:
 "A few small bugs:

   - Fix longstanding mlx5 bug where ODP would fail with certain MR
     alignments

   - cancel work to prevent a hfi1 UAF

   - MAINTAINERS update

   - UAF, missing mutex_init and an error unwind bug in bnxt_re"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
  RDMA/bnxt_re: Initialize dpi_tbl_lock mutex
  RDMA/bnxt_re: Fix error handling in probe failure path
  RDMA/bnxt_re: Properly order ib_device_unalloc() to avoid UAF
  MAINTAINERS: Remove maintainer of HiSilicon RoCE
  IB/hfi1: Fix possible panic during hotplug remove
  RDMA/umem: Set iova in ODP flow
2023-08-11 19:39:01 -07:00
Linus Torvalds
0725a70411 zonefs fixes for 6.5-rc6
- The switch to using iomap for executing direct synchronous write to
    sequential files using zone append BIO overlooked cases where the BIO
    built by iomap is too large and needs splitting, which is not allowed
    with zone append. Fix this by using regular write commands instead.
    The use of zone append commands will be reintroduces later with
    proper support from iomap.
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Merge tag 'zonefs-6.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs

Pull zonefs fix from Damien Le Moal:

 - The switch to using iomap for executing a direct synchronous write to
   sequential files using a zone append BIO overlooked cases where the
   BIO built by iomap is too large and needs splitting, which is not
   allowed with zone append.

   Fix this by using regular write commands instead. The use of zone
   append commands will be reintroduced later with proper support from
   iomap.

* tag 'zonefs-6.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs:
  zonefs: fix synchronous direct writes to sequential files
2023-08-11 18:35:56 -07:00
Linus Torvalds
5512c33c7b hwmon fixes for v6.5-rc6
* Fix sporadic comunication errors in pmbus/bel-pfe and
   aquacomputer_d5next drivers
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Merge tag 'hwmon-for-v6.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon fixes from Guenter Roeck:

 - Fix sporadic comunication errors in pmbus/bel-pfe and
   aquacomputer_d5next drivers

* tag 'hwmon-for-v6.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (aquacomputer_d5next) Add selective 200ms delay after sending ctrl report
  hwmon: (pmbus/bel-pfe) Enable PMBUS_SKIP_STATUS_CHECK for pfe1100
2023-08-11 18:30:29 -07:00
Jarkko Sakkinen
6aaf663ee0 tpm_tis: Opt-in interrupts
Cc: stable@vger.kernel.org # v6.4+
Link: https://lore.kernel.org/linux-integrity/CAHk-=whRVp4h8uWOX1YO+Y99+44u4s=XxMK4v00B6F1mOfqPLg@mail.gmail.com/
Fixes: e644b2f498 ("tpm, tpm_tis: Enable interrupt test")
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
2023-08-12 02:36:28 +03:00
Peter Ujfalusi
51e5e551af tpm: tpm_tis: Fix UPX-i11 DMI_MATCH condition
The patch which made it to the kernel somehow changed the
match condition from
DMI_MATCH(DMI_PRODUCT_NAME, "UPX-TGL01")
to
DMI_MATCH(DMI_PRODUCT_VERSION, "UPX-TGL")

Revert back to the correct match condition to disable the
interrupt mode on the board.

Cc: stable@vger.kernel.org # v6.4+
Fixes: edb13d7bb0 ("tpm: tpm_tis: Disable interrupts *only* for AEON UPX-i11")
Link: https://lore.kernel.org/lkml/20230524085844.11580-1-peter.ujfalusi@linux.intel.com/
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
2023-08-12 02:36:28 +03:00
Linus Torvalds
190bf7b14b 14 hotfixes. 11 of these are cc:stable and the remainder address post-6.4
issues, or are not considered suitable for -stable backporting.
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Merge tag 'mm-hotfixes-stable-2023-08-11-13-44' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull misc fixes from Andrew Morton:
 "14 hotfixes. 11 of these are cc:stable and the remainder address
  post-6.4 issues, or are not considered suitable for -stable
  backporting"

* tag 'mm-hotfixes-stable-2023-08-11-13-44' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
  mm/damon/core: initialize damo_filter->list from damos_new_filter()
  nilfs2: fix use-after-free of nilfs_root in dirtying inodes via iput
  selftests: cgroup: fix test_kmem_basic false positives
  fs/proc/kcore: reinstate bounce buffer for KCORE_TEXT regions
  MAINTAINERS: add maple tree mailing list
  mm: compaction: fix endless looping over same migrate block
  selftests: mm: ksm: fix incorrect evaluation of parameter
  hugetlb: do not clear hugetlb dtor until allocating vmemmap
  mm: memory-failure: avoid false hwpoison page mapped error info
  mm: memory-failure: fix potential unexpected return value from unpoison_memory()
  mm/swapfile: fix wrong swap entry type for hwpoisoned swapcache page
  radix tree test suite: fix incorrect allocation size for pthreads
  crypto, cifs: fix error handling in extract_iter_to_sg()
  zsmalloc: fix races between modifications of fullness and isolated
2023-08-11 14:19:20 -07:00
Cristian Ciocaltea
6dbef74aeb x86/cpu/amd: Enable Zenbleed fix for AMD Custom APU 0405
Commit

  522b1d6921 ("x86/cpu/amd: Add a Zenbleed fix")

provided a fix for the Zen2 VZEROUPPER data corruption bug affecting
a range of CPU models, but the AMD Custom APU 0405 found on SteamDeck
was not listed, although it is clearly affected by the vulnerability.

Add this CPU variant to the Zenbleed erratum list, in order to
unconditionally enable the fallback fix until a proper microcode update
is available.

Fixes: 522b1d6921 ("x86/cpu/amd: Add a Zenbleed fix")
Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20230811203705.1699914-1-cristian.ciocaltea@collabora.com
2023-08-11 22:52:29 +02:00
William Breathitt Gray
33f83d13de gpio: ws16c48: Fix off-by-one error in WS16C48 resource region extent
The WinSystems WS16C48 I/O address region spans offsets 0x0 through 0xA,
which is a total of 11 bytes. Fix the WS16C48_EXTENT define to the
correct value of 11 so that access to necessary device registers is
properly requested in the ws16c48_probe() callback by the
devm_request_region() function call.

Fixes: 2c05a0f29f ("gpio: ws16c48: Implement and utilize register structures")
Cc: stable@vger.kernel.org
Cc: Paul Demetrotion <pdemetrotion@winsystems.com>
Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2023-08-11 21:31:59 +02:00
Linus Torvalds
29d99aae13 ACPI fixes for 6.5-rc6
Rework the handling of interrupt overrides on AMD Zen-based machines to
 avoid recently introduced regressions (Hans de Goede).
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Merge tag 'acpi-6.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI fixes from Rafael Wysocki:
 "Rework the handling of interrupt overrides on AMD Zen-based machines
  to avoid recently introduced regressions (Hans de Goede).

  Note that this is intended as a short-term mitigation for 6.5 and the
  long-term approach will be to attempt to use the configuration left by
  the BIOS, but it requires more investigation"

* tag 'acpi-6.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI: resource: Add IRQ override quirk for PCSpecialist Elimina Pro 16 M
  ACPI: resource: Honor MADT INT_SRC_OVR settings for IRQ1 on AMD Zen
  ACPI: resource: Always use MADT override IRQ settings for all legacy non i8042 IRQs
  ACPI: resource: revert "Remove "Zen" specific match and quirks"
2023-08-11 12:30:00 -07:00
Linus Torvalds
9578b04c32 Power management fixes for 6.5-rc6
- Make amd-pstate use device_attributes as expected by the CPU root
    kobject (Thomas Weißschuh).
 
  - Restore the previous behavior of resume_store() when hibernation is
    not available which is to return the full number of bytes that were
    to be written by user space (Vlastimil Babka).
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Merge tag 'pm-6.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management fixes from Rafael Wysocki:
 "These fix an amd-pstate cpufreq driver issues and recently introduced
  hibernation-related breakage.

  Specifics:

   - Make amd-pstate use device_attributes as expected by the CPU root
     kobject (Thomas Weißschuh)

   - Restore the previous behavior of resume_store() when hibernation is
     not available which is to return the full number of bytes that were
     to be written by user space (Vlastimil Babka)"

* tag 'pm-6.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  cpufreq: amd-pstate: fix global sysfs attribute type
  PM: hibernate: fix resume_store() return value when hibernation not available
2023-08-11 12:24:22 -07:00
Linus Torvalds
360e694282 block-6.5-2023-08-11
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Merge tag 'block-6.5-2023-08-11' of git://git.kernel.dk/linux

Pull block fixes from Jens Axboe:

 - NVMe pull request via Keith:
      - Fixes for request_queue state (Ming)
      - Another uuid quirk (August)

 - RCU poll fix for NVMe (Ming)

 - Fix for an IO stall with polled IO (me)

 - Fix for blk-iocost stats enable/disable accounting (Chengming)

 - Regression fix for large pages for zram (Christoph)

* tag 'block-6.5-2023-08-11' of git://git.kernel.dk/linux:
  nvme: core: don't hold rcu read lock in nvme_ns_chr_uring_cmd_iopoll
  blk-iocost: fix queue stats accounting
  block: don't make REQ_POLLED imply REQ_NOWAIT
  block: get rid of unused plug->nowait flag
  zram: take device and not only bvec offset into account
  nvme-pci: add NVME_QUIRK_BOGUS_NID for Samsung PM9B1 256G and 512G
  nvme-rdma: fix potential unbalanced freeze & unfreeze
  nvme-tcp: fix potential unbalanced freeze & unfreeze
  nvme: fix possible hang when removing a controller during error recovery
2023-08-11 12:14:08 -07:00
Linus Torvalds
2e40ed24e1 io_uring-6.5-2023-08-11
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Merge tag 'io_uring-6.5-2023-08-11' of git://git.kernel.dk/linux

Pull io_uring fixes from Jens Axboe:
 "A followup fix for the parisc/SHM_COLOUR fix, also from Helge, which
  is heading to stable.

  And then just the io_uring equivalent of the RESOLVE_CACHED fix in
  commit a0fc452a5d from last week for build_open_flags()"

* tag 'io_uring-6.5-2023-08-11' of git://git.kernel.dk/linux:
  io_uring/parisc: Adjust pgoff in io_uring mmap() for parisc
  io_uring: correct check for O_TMPFILE
2023-08-11 12:06:51 -07:00
Borislav Petkov (AMD)
3477144c87 driver core: cpu: Fix the fallback cpu_show_gds() name
In

  6524c798b7 ("driver core: cpu: Make cpu_show_not_affected() static")

I fat-fingered the name of cpu_show_gds(). Usually, I'd rebase but since
those are extraordinary embargoed times, the commit above was already
pulled into another tree so no no.

Therefore, fix it ontop.

Fixes: 6524c798b7 ("driver core: cpu: Make cpu_show_not_affected() static")
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20230811095831.27513-1-bp@alien8.de
2023-08-11 20:36:02 +02:00
Rafael J. Wysocki
4778e12884 Merge branch 'pm-cpufreq'
Merge a cpufreq fix for 6.5-rc6.

This makes amd-pstate use device_attributes as expected by the CPU root
kobject.

* pm-cpufreq:
  cpufreq: amd-pstate: fix global sysfs attribute type
2023-08-11 19:57:24 +02:00
Linus Torvalds
9106536c1a pci-v6.5-fixes-1
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Merge tag 'pci-v6.5-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci

Pull pci fixes from Bjorn Helgaas:

 - Add Manivannan Sadhasivam as DesignWare PCIe driver co-maintainer
   (Krzysztof Wilczyński)

 - Revert "PCI: dwc: Wait for link up only if link is started" to fix a
   regression on Qualcomm platforms that don't reach interconnect sync
   state if the slot is empty (Johan Hovold)

 - Revert "PCI: mvebu: Mark driver as BROKEN" so people can use
   pci-mvebu even though some others report problems (Bjorn Helgaas)

 - Avoid a NULL pointer dereference when using acpiphp for root bus
   hotplug to fix a regression added in v6.5-rc1 (Igor Mammedov)

* tag 'pci-v6.5-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci:
  PCI: acpiphp: Use pci_assign_unassigned_bridge_resources() only for non-root bus
  Revert "PCI: mvebu: Mark driver as BROKEN"
  Revert "PCI: dwc: Wait for link up only if link is started"
  MAINTAINERS: Add Manivannan Sadhasivam as DesignWare PCIe driver maintainer
2023-08-11 09:39:17 -07:00
Linus Torvalds
2a3c17edbf RISC-V Fixes for 6.5-rc6
* Fixes for a pair of kexec_file_load() failures.
 * A fix to ensure the direct mapping is PMD-aligned.
 * A fix for CPU feature detection on SMP=n
 * The MMIO ordering fences have been strengthened to ensure ordering
   WRT delay().
 * Fixes for a pair of -Wmissing-variable-declarations warnings.
 * A fix to avoid PUD mappings in vmap on sv39.
 * flush_cache_vmap() now flushes the TLB to avoid issues on systems that
   cache invalid mappings.
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Merge tag 'riscv-for-linus-6.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull RISC-V fixes from Palmer Dabbelt:

 - Fixes for a pair of kexec_file_load() failures

 - A fix to ensure the direct mapping is PMD-aligned

 - A fix for CPU feature detection on SMP=n

 - The MMIO ordering fences have been strengthened to ensure ordering
   WRT delay()

 - Fixes for a pair of -Wmissing-variable-declarations warnings

 - A fix to avoid PUD mappings in vmap on sv39

 - flush_cache_vmap() now flushes the TLB to avoid issues on systems
   that cache invalid mappings

* tag 'riscv-for-linus-6.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
  riscv: Implement flush_cache_vmap()
  riscv: Do not allow vmap pud mappings for 3-level page table
  riscv: mm: fix 2 instances of -Wmissing-variable-declarations
  riscv,mmio: Fix readX()-to-delay() ordering
  riscv: Fix CPU feature detection with SMP disabled
  riscv: Start of DRAM should at least be aligned on PMD size for the direct mapping
  riscv/kexec: load initrd high in available memory
  riscv/kexec: handle R_RISCV_CALL_PLT relocation type
2023-08-11 09:12:44 -07:00
Linus Torvalds
feb0eee9aa parisc architecture fixes for kernel v6.5-rc6:
- Fix LWS code to use same lock words as for the parisc lightweight
   spinlocks
 - Use PTR_ERR_OR_ZERO() in pdt init code
 - Fix lots of sparse warnings
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Merge tag 'parisc-for-6.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux

Pull parisc architecture fixes from Helge Deller:
 "A bugfix in the LWS code, which used different lock words than the
  parisc lightweight spinlock checks. This inconsistency triggered false
  positives when the lightweight spinlock checks checked the locks of
  mutexes.

  The other patches are trivial cleanups and most of them fix sparse
  warnings.

  Summary:

   - Fix LWS code to use same lock words as for the parisc lightweight
     spinlocks

   - Use PTR_ERR_OR_ZERO() in pdt init code

   - Fix lots of sparse warnings"

* tag 'parisc-for-6.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
  parisc: perf: Make cpu_device variable static
  parisc: ftrace: Add declaration for ftrace_function_trampoline()
  parisc: boot: Nuke some sparse warnings in decompressor
  parisc: processor: Include asm/smp.h for init_per_cpu()
  parisc: unaligned: Include linux/sysctl.h for unaligned_enabled
  parisc: Move proc_mckinley_root and proc_runway_root to sba_iommu
  parisc: dma: Add prototype for pcxl_dma_start
  parisc: parisc_ksyms: Include libgcc.h for libgcc prototypes
  parisc: ucmpdi2: Fix no previous prototype for '__ucmpdi2' warning
  parisc: firmware: Mark pdc_result buffers local
  parisc: firmware: Fix sparse context imbalance warnings
  parisc: signal: Fix sparse incorrect type in assignment warning
  parisc: ioremap: Fix sparse warnings
  parisc: fault: Use C99 arrary initializers
  parisc: pdt: Use PTR_ERR_OR_ZERO() to simplify code
  parisc: Fix lightweight spinlock checks to not break futexes
2023-08-11 09:07:23 -07:00
Linus Torvalds
2a5482c284 cpuidle: psci
- Fix the error path to prevent reverting from OSI back to PC mode
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Merge tag 'cpuidle-psci-v6.5-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm

Pull cpuidle psci fixes from Ulf Hansson:
 "A couple of cpuidle-psci fixes. Usually, this is managed by arm-soc
  maintainers or Rafael, although due to a busy period I have stepped in
  to help out:

   - Fix the error path to prevent reverting from OSI back to PC mode"

* tag 'cpuidle-psci-v6.5-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm:
  cpuidle: psci: Move enabling OSI mode after power domains creation
  cpuidle: dt_idle_genpd: Add helper function to remove genpd topology
2023-08-11 09:00:31 -07:00
Linus Torvalds
9b1b1b74dd drm fixes for 6.4-rc6
amdgpu:
 - S/G display workaround for platforms with >= 64G of memory
 - S0i3 fix
 - SMU 13.0.0 fixes
 - Disable SMU 13.x OD features temporarily while the interface is reworked
   to enable additional functionality
 - Fix cursor gamma issues on DCN3+
 - SMU 13.0.6 fixes
 - Fix possible UAF in CS IOCTL
 - Polaris display regression fix
 - Only enable CP GFX shadowing on SR-IOV
 
 amdkfd:
 - Raven/Picasso KFD regression fix
 
 bridge:
 - it6505: runtime PM fix
 - lt9611: revert Do not generate HFP/HBP/HSA and EOT packet
 
 nouveau:
 - enable global memory loads for helper invocations for userspace driver
 - dp 1.3 dpcd+ workaround fix
 - remove unused function
 - revert incorrect NULL check
 
 accel/ivpu:
 - Add set_pages_array_wc/uc for internal buffers
 
 rockchip:
 - Don't spam logs in atomic check
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Merge tag 'drm-fixes-2023-08-11' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "This week's fixes, as expected amdgpu is probably a little larger
  since it skipped a week, but otherwise a few nouveau fixes, a couple
  of bridge, rockchip and ivpu fixes.

  amdgpu:
   - S/G display workaround for platforms with >= 64G of memory
   - S0i3 fix
   - SMU 13.0.0 fixes
   - Disable SMU 13.x OD features temporarily while the interface is
     reworked to enable additional functionality
   - Fix cursor gamma issues on DCN3+
   - SMU 13.0.6 fixes
   - Fix possible UAF in CS IOCTL
   - Polaris display regression fix
   - Only enable CP GFX shadowing on SR-IOV

  amdkfd:
   - Raven/Picasso KFD regression fix

  bridge:
   - it6505: runtime PM fix
   - lt9611: revert Do not generate HFP/HBP/HSA and EOT packet

  nouveau:
   - enable global memory loads for helper invocations for userspace
     driver
   - dp 1.3 dpcd+ workaround fix
   - remove unused function
   - revert incorrect NULL check

  accel/ivpu:
   - Add set_pages_array_wc/uc for internal buffers

  rockchip:
   - Don't spam logs in atomic check"

* tag 'drm-fixes-2023-08-11' of git://anongit.freedesktop.org/drm/drm: (23 commits)
  drm/shmem-helper: Reset vma->vm_ops before calling dma_buf_mmap()
  drm/amdkfd: disable IOMMUv2 support for Raven
  drm/amdkfd: disable IOMMUv2 support for KV/CZ
  drm/amdkfd: ignore crat by default
  drm/amdgpu/gfx11: only enable CP GFX shadowing on SR-IOV
  drm/amd/display: Fix a regression on Polaris cards
  drm/amdgpu: fix possible UAF in amdgpu_cs_pass1()
  drm/amd/pm: Fix SMU v13.0.6 energy reporting
  drm/amd/display: check attr flag before set cursor degamma on DCN3+
  drm/amd/pm: disable the SMU13 OD feature support temporarily
  drm/amd/pm: correct the pcie width for smu 13.0.0
  drm/amd/display: Don't show stack trace for missing eDP
  drm/amdgpu: Match against exact bootloader status
  drm/amd/pm: skip the RLC stop when S0i3 suspend for SMU v13.0.4/11
  drm/amd: Disable S/G for APUs when 64GB or more host memory
  drm/rockchip: Don't spam logs in atomic check
  accel/ivpu: Add set_pages_array_wc/uc for internal buffers
  drm/nouveau/disp: Revert a NULL check inside nouveau_connector_get_modes
  Revert "drm/bridge: lt9611: Do not generate HFP/HBP/HSA and EOT packet"
  drm/nouveau: remove unused tu102_gr_load() function
  ...
2023-08-11 08:53:58 -07:00
Ming Lei
a7a7dabb5d nvme: core: don't hold rcu read lock in nvme_ns_chr_uring_cmd_iopoll
Now nvme_ns_chr_uring_cmd_iopoll() has switched to request based io
polling, and the associated NS is guaranteed to be live in case of
io polling, so request is guaranteed to be valid because blk-mq uses
pre-allocated request pool.

Remove the rcu read lock in nvme_ns_chr_uring_cmd_iopoll(), which
isn't needed any more after switching to request based io polling.

Fix "BUG: sleeping function called from invalid context" because
set_page_dirty_lock() from blk_rq_unmap_user() may sleep.

Fixes: 585079b6e4 ("nvme: wire up async polling for io passthrough commands")
Reported-by: Guangwu Zhang <guazhang@redhat.com>
Cc: Kanchan Joshi <joshi.k@samsung.com>
Cc: Anuj Gupta <anuj20.g@samsung.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Tested-by: Guangwu Zhang <guazhang@redhat.com>
Link: https://lore.kernel.org/r/20230809020440.174682-1-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2023-08-11 08:12:32 -06:00
Dave Airlie
fbe8ff726a amd-drm-fixes-6.5-2023-08-09:
amdgpu:
 - S/G display workaround for platforms with >= 64G of memory
 - S0i3 fix
 - SMU 13.0.0 fixes
 - Disable SMU 13.x OD features temporarily while the interface is reworked
   to enable additional functionality
 - Fix cursor gamma issues on DCN3+
 - SMU 13.0.6 fixes
 - Fix possible UAF in CS IOCTL
 - Polaris display regression fix
 - Only enable CP GFX shadowing on SR-IOV
 
 amdkfd:
 - Raven/Picasso KFD regression fix
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Merge tag 'amd-drm-fixes-6.5-2023-08-09' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes

amd-drm-fixes-6.5-2023-08-09:

amdgpu:
- S/G display workaround for platforms with >= 64G of memory
- S0i3 fix
- SMU 13.0.0 fixes
- Disable SMU 13.x OD features temporarily while the interface is reworked
  to enable additional functionality
- Fix cursor gamma issues on DCN3+
- SMU 13.0.6 fixes
- Fix possible UAF in CS IOCTL
- Polaris display regression fix
- Only enable CP GFX shadowing on SR-IOV

amdkfd:
- Raven/Picasso KFD regression fix

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

From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230809182827.8135-1-alexander.deucher@amd.com
2023-08-11 14:49:20 +10:00