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Linus Torvalds
39133352cb ARM: Two fixes for the ITS emulation. Unmapped interrupts were 
used instead of ignored, causing NULL pointer dereferences.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm fixes from Paolo Bonzini:
 "Two fixes for ARM ITS emulation. Unmapped interrupts were used instead
  of ignored, causing NULL pointer dereferences"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: arm64: vgic-its: Test for valid IRQ in MOVALL handler
  KVM: arm64: vgic-its: Test for valid IRQ in its_sync_lpi_pending_table()
 2024-02-21 09:13:27 -08:00
Linus Torvalds
8da8d88455 for-6.8-rc5-tag 
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Merge tag 'for-6.8-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux

Pull btrfs fixes from David Sterba:

 - Fix a deadlock in fiemap.

   There was a big lock around the whole operation that can interfere
   with a page fault and mkwrite.

   Reducing the lock scope can also speed up fiemap

 - Fix range condition for extent defragmentation which could lead to
   worse layout in some cases

* tag 'for-6.8-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
  btrfs: fix deadlock with fiemap and extent locking
  btrfs: defrag: avoid unnecessary defrag caused by incorrect extent size
 2024-02-21 08:45:07 -08:00
Linus Torvalds
d8be5a55b8 This push fixes a stack overflow in virtio. 
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Merge tag 'v6.8-p4' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

Pull crypto fix from Herbert Xu:
 "Fix a stack overflow in virtio"

* tag 'v6.8-p4' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  crypto: virtio/akcipher - Fix stack overflow on memcpy
 2024-02-21 08:37:49 -08:00
Paolo Bonzini
c48617fbbe KVM/arm64 fixes for 6.8, take #3 
- Check for the validity of interrupts handled by a MOVALL
   command
 
 - Check for the validity of interrupts while reading the
   pending state on enabling LPIs.
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Merge tag 'kvmarm-fixes-6.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD

KVM/arm64 fixes for 6.8, take #3

- Check for the validity of interrupts handled by a MOVALL
  command

- Check for the validity of interrupts while reading the
  pending state on enabling LPIs.
 2024-02-21 05:18:56 -05:00
Oliver Upton
85a71ee9a0 KVM: arm64: vgic-its: Test for valid IRQ in MOVALL handler 
It is possible that an LPI mapped in a different ITS gets unmapped while
handling the MOVALL command. If that is the case, there is no state that
can be migrated to the destination. Silently ignore it and continue
migrating other LPIs.

Cc: stable@vger.kernel.org
Fixes: ff9c114394 ("KVM: arm/arm64: GICv4: Handle MOVALL applied to a vPE")
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Link: https://lore.kernel.org/r/20240221092732.4126848-3-oliver.upton@linux.dev
Signed-off-by: Marc Zyngier <maz@kernel.org>
 2024-02-21 10:06:41 +00:00
Oliver Upton
8d3a7dfb80 KVM: arm64: vgic-its: Test for valid IRQ in its_sync_lpi_pending_table() 
vgic_get_irq() may not return a valid descriptor if there is no ITS that
holds a valid translation for the specified INTID. If that is the case,
it is safe to silently ignore it and continue processing the LPI pending
table.

Cc: stable@vger.kernel.org
Fixes: 33d3bc9556 ("KVM: arm64: vgic-its: Read initial LPI pending table")
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Link: https://lore.kernel.org/r/20240221092732.4126848-2-oliver.upton@linux.dev
Signed-off-by: Marc Zyngier <maz@kernel.org>
 2024-02-21 10:06:41 +00:00
Linus Torvalds
9fc1ccccfd RDMA v6.8 first rc 
irdma and bnxt_re fixes:
 
 - Missing error unwind in hf1
 
 - For bnxt - fix fenching behavior to work on new chips, fail unsupported
   SRQ resize back to userspace, propogate SRQ FW failure back to
   userspace.
 
 - Correctly fail unsupported SRQ resize back to userspace in bnxt
 
 - Adjust a memcpy in mlx5 to not overflow a struct field.
 
 - Prevent userspace from triggering mlx5 fw syndrome logging from sysfs
 
 - Use the correct access mode for MLX5_IB_METHOD_DEVX_OBJ_MODIFY to avoid
   a userspace failure on modify
 
 - For irdma - Don't UAF a concurrent tasklet during destroy, prevent
   userspace from issuing invalid QP attrs, fix a possible CQ overflow,
   capture a missing HW async error event
 
 - sendmsg() triggerable memory access crash in hfi1
 
 - Fix the srpt_service_guid parameter to not crash due to missing function
   pointer
 
 - Don't leak objects in error unwind in qedr
 
 - Don't weirdly cast function pointers in srpt
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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:
 "Mostly irdma and bnxt_re fixes:

   - Missing error unwind in hf1

   - For bnxt - fix fenching behavior to work on new chips, fail
     unsupported SRQ resize back to userspace, propogate SRQ FW failure
     back to userspace.

   - Correctly fail unsupported SRQ resize back to userspace in bnxt

   - Adjust a memcpy in mlx5 to not overflow a struct field.

   - Prevent userspace from triggering mlx5 fw syndrome logging from
     sysfs

   - Use the correct access mode for MLX5_IB_METHOD_DEVX_OBJ_MODIFY to
     avoid a userspace failure on modify

   - For irdma - Don't UAF a concurrent tasklet during destroy, prevent
     userspace from issuing invalid QP attrs, fix a possible CQ
     overflow, capture a missing HW async error event

   - sendmsg() triggerable memory access crash in hfi1

   - Fix the srpt_service_guid parameter to not crash due to missing
     function pointer

   - Don't leak objects in error unwind in qedr

   - Don't weirdly cast function pointers in srpt"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
  RDMA/srpt: fix function pointer cast warnings
  RDMA/qedr: Fix qedr_create_user_qp error flow
  RDMA/srpt: Support specifying the srpt_service_guid parameter
  IB/hfi1: Fix sdma.h tx->num_descs off-by-one error
  RDMA/irdma: Add AE for too many RNRS
  RDMA/irdma: Set the CQ read threshold for GEN 1
  RDMA/irdma: Validate max_send_wr and max_recv_wr
  RDMA/irdma: Fix KASAN issue with tasklet
  RDMA/mlx5: Relax DEVX access upon modify commands
  IB/mlx5: Don't expose debugfs entries for RRoCE general parameters if not supported
  RDMA/mlx5: Fix fortify source warning while accessing Eth segment
  RDMA/bnxt_re: Add a missing check in bnxt_qplib_query_srq
  RDMA/bnxt_re: Return error for SRQ resize
  RDMA/bnxt_re: Fix unconditional fence for newer adapters
  RDMA/bnxt_re: Remove a redundant check inside bnxt_re_vf_res_config
  RDMA/bnxt_re: Avoid creating fence MR for newer adapters
  IB/hfi1: Fix a memleak in init_credit_return
 2024-02-20 17:00:26 -08:00
Linus Torvalds
fca7526b7d drm/tests/drm_buddy: fix build failure on 32-bit targets 
Guenter Roeck reports that commit a64056bb5a ("drm/tests/drm_buddy:
add alloc_contiguous test") causes build failures on 32-bit targets:

 "This patch breaks the build on all 32-bit systems since it introduces
  an unhandled direct 64-bit divide operation.

  ERROR: modpost: "__umoddi3" [drivers/gpu/drm/tests/drm_buddy_test.ko] undefined!
  ERROR: modpost: "__moddi3" [drivers/gpu/drm/tests/drm_buddy_test.ko] undefined!"

and the uses of 'u64' are all entirely pointless.  Yes, the arguments to
drm_buddy_init() and drm_buddy_alloc_blocks() are in fact of type 'u64',
but none of the values here are remotely relevant, and the compiler will
happily just do the type expansion.

Of course, in a perfect world the compiler would also have just noticed
that all the values in question are tiny, and range analysis would have
shown that doing a 64-bit divide is pointless, but that is admittedly
expecting a fair amount of the compiler.

IOW, we shouldn't write code that the compiler then has to notice is
unnecessarily complicated just to avoid extra work.  We do have fairly
high expectations of compilers, but kernel code should be reasonable to
begin with.

It turns out that there are also other issues with this code: the KUnit
assertion messages have incorrect types in the format strings, but
that's a widely spread issue caused by the KUnit infrastructure not
having enabled format string verification.  We'll get that sorted out
separately.

Reported-by: Guenter Roeck <linux@roeck-us.net>
Fixes: a64056bb5a ("drm/tests/drm_buddy: add alloc_contiguous test")
Link: https://lore.kernel.org/all/538327ff-8d34-41d5-a9ae-1a334744f5ae@roeck-us.net/
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2024-02-20 12:16:47 -08:00
Linus Torvalds
944d5fe50f sched/membarrier: reduce the ability to hammer on sys_membarrier 
On some systems, sys_membarrier can be very expensive, causing overall
slowdowns for everything.  So put a lock on the path in order to
serialize the accesses to prevent the ability for this to be called at
too high of a frequency and saturate the machine.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-and-tested-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Acked-by: Borislav Petkov <bp@alien8.de>
Fixes: 22e4ebb975 ("membarrier: Provide expedited private command")
Fixes: c5f58bd58f ("membarrier: Provide GLOBAL_EXPEDITED command")
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2024-02-20 09:38:05 -08:00
Josef Bacik
b0ad381fa7 btrfs: fix deadlock with fiemap and extent locking 
While working on the patchset to remove extent locking I got a lockdep
splat with fiemap and pagefaulting with my new extent lock replacement
lock.

This deadlock exists with our normal code, we just don't have lockdep
annotations with the extent locking so we've never noticed it.

Since we're copying the fiemap extent to user space on every iteration
we have the chance of pagefaulting.  Because we hold the extent lock for
the entire range we could mkwrite into a range in the file that we have
mmap'ed.  This would deadlock with the following stack trace

[<0>] lock_extent+0x28d/0x2f0
[<0>] btrfs_page_mkwrite+0x273/0x8a0
[<0>] do_page_mkwrite+0x50/0xb0
[<0>] do_fault+0xc1/0x7b0
[<0>] __handle_mm_fault+0x2fa/0x460
[<0>] handle_mm_fault+0xa4/0x330
[<0>] do_user_addr_fault+0x1f4/0x800
[<0>] exc_page_fault+0x7c/0x1e0
[<0>] asm_exc_page_fault+0x26/0x30
[<0>] rep_movs_alternative+0x33/0x70
[<0>] _copy_to_user+0x49/0x70
[<0>] fiemap_fill_next_extent+0xc8/0x120
[<0>] emit_fiemap_extent+0x4d/0xa0
[<0>] extent_fiemap+0x7f8/0xad0
[<0>] btrfs_fiemap+0x49/0x80
[<0>] __x64_sys_ioctl+0x3e1/0xb50
[<0>] do_syscall_64+0x94/0x1a0
[<0>] entry_SYSCALL_64_after_hwframe+0x6e/0x76

I wrote an fstest to reproduce this deadlock without my replacement lock
and verified that the deadlock exists with our existing locking.

To fix this simply don't take the extent lock for the entire duration of
the fiemap.  This is safe in general because we keep track of where we
are when we're searching the tree, so if an ordered extent updates in
the middle of our fiemap call we'll still emit the correct extents
because we know what offset we were on before.

The only place we maintain the lock is searching delalloc.  Since the
delalloc stuff can change during writeback we want to lock the extent
range so we have a consistent view of delalloc at the time we're
checking to see if we need to set the delalloc flag.

With this patch applied we no longer deadlock with my testcase.

CC: stable@vger.kernel.org # 6.1+
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2024-02-19 11:20:00 +01:00
Qu Wenruo
e42b9d8b9e btrfs: defrag: avoid unnecessary defrag caused by incorrect extent size 
[BUG]
With the following file extent layout, defrag would do unnecessary IO
and result more on-disk space usage.

  # mkfs.btrfs -f $dev
  # mount $dev $mnt
  # xfs_io -f -c "pwrite 0 40m" $mnt/foobar
  # sync
  # xfs_io -f -c "pwrite 40m 16k" $mnt/foobar
  # sync

Above command would lead to the following file extent layout:

        item 6 key (257 EXTENT_DATA 0) itemoff 15816 itemsize 53
                generation 7 type 1 (regular)
                extent data disk byte 298844160 nr 41943040
                extent data offset 0 nr 41943040 ram 41943040
                extent compression 0 (none)
        item 7 key (257 EXTENT_DATA 41943040) itemoff 15763 itemsize 53
                generation 8 type 1 (regular)
                extent data disk byte 13631488 nr 16384
                extent data offset 0 nr 16384 ram 16384
                extent compression 0 (none)

Which is mostly fine. We can allow the final 16K to be merged with the
previous 40M, but it's upon the end users' preference.

But if we defrag the file using the default parameters, it would result
worse file layout:

 # btrfs filesystem defrag $mnt/foobar
 # sync

        item 6 key (257 EXTENT_DATA 0) itemoff 15816 itemsize 53
                generation 7 type 1 (regular)
                extent data disk byte 298844160 nr 41943040
                extent data offset 0 nr 8650752 ram 41943040
                extent compression 0 (none)
        item 7 key (257 EXTENT_DATA 8650752) itemoff 15763 itemsize 53
                generation 9 type 1 (regular)
                extent data disk byte 340787200 nr 33292288
                extent data offset 0 nr 33292288 ram 33292288
                extent compression 0 (none)
        item 8 key (257 EXTENT_DATA 41943040) itemoff 15710 itemsize 53
                generation 8 type 1 (regular)
                extent data disk byte 13631488 nr 16384
                extent data offset 0 nr 16384 ram 16384
                extent compression 0 (none)

Note the original 40M extent is still there, but a new 32M extent is
created for no benefit at all.

[CAUSE]
There is an existing check to make sure we won't defrag a large enough
extent (the threshold is by default 32M).

But the check is using the length to the end of the extent:

	range_len = em->len - (cur - em->start);

	/* Skip too large extent */
	if (range_len >= extent_thresh)
		goto next;

This means, for the first 8MiB of the extent, the range_len is always
smaller than the default threshold, and would not be defragged.
But after the first 8MiB, the remaining part would fit the requirement,
and be defragged.

Such different behavior inside the same extent caused the above problem,
and we should avoid different defrag decision inside the same extent.

[FIX]
Instead of using @range_len, just use @em->len, so that we have a
consistent decision among the same file extent.

Now with this fix, we won't touch the extent, thus not making it any
worse.

Reported-by: Filipe Manana <fdmanana@suse.com>
Fixes: 0cb5950f3f ("btrfs: fix deadlock when reserving space during defrag")
CC: stable@vger.kernel.org # 6.1+
Reviewed-by: Boris Burkov <boris@bur.io>
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2024-02-19 11:19:58 +01:00
Linus Torvalds
b401b62175 Linux 6.8-rc5 2024-02-18 12:56:25 -08:00
Linus Torvalds
6c160f16be Kbuild fixes for v6.8 (2nd) 
- Reformat nested if-conditionals in Makefiles with 4 spaces
 
  - Fix CONFIG_DEBUG_INFO_BTF builds for big endian
 
  - Fix modpost for module srcversion
 
  - Fix an escape sequence warning in gen_compile_commands.py
 
  - Fix kallsyms to ignore ARMv4 thunk symbols
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Merge tag 'kbuild-fixes-v6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - Reformat nested if-conditionals in Makefiles with 4 spaces

 - Fix CONFIG_DEBUG_INFO_BTF builds for big endian

 - Fix modpost for module srcversion

 - Fix an escape sequence warning in gen_compile_commands.py

 - Fix kallsyms to ignore ARMv4 thunk symbols

* tag 'kbuild-fixes-v6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  kallsyms: ignore ARMv4 thunks along with others
  modpost: trim leading spaces when processing source files list
  gen_compile_commands: fix invalid escape sequence warning
  kbuild: Fix changing ELF file type for output of gen_btf for big endian
  docs: kconfig: Fix grammar and formatting
  kbuild: use 4-space indentation when followed by conditionals
 2024-02-18 10:09:25 -08:00
Linus Torvalds
ddac3d8b8a - Use a GB page for identity mapping only when memory of this size is 
requested so that mapping of reserved regions is prevented which would
   otherwise lead to system crashes on UV machines
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Merge tag 'x86_urgent_for_v6.8_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fix from Borislav Petkov:

 - Use a GB page for identity mapping only when memory of this size is
   requested so that mapping of reserved regions is prevented which
   would otherwise lead to system crashes on UV machines

* tag 'x86_urgent_for_v6.8_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/mm/ident_map: Use gbpages only where full GB page should be mapped.
 2024-02-18 09:22:48 -08:00
Linus Torvalds
7cb7c32d60 - Fix GICv4.1 affinity update 
- Restore a quirk for ACPI-based GICv4 systems
 
 - Handle non-coherent GICv4 redistributors properly
 
 - Prevent spurious interrupts on Broadcom devices using GIC v3
   architecture
 
 - Other minor fixes
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Merge tag 'irq_urgent_for_v6.8_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull irq fixes from Borislav Petkov:

 - Fix GICv4.1 affinity update

 - Restore a quirk for ACPI-based GICv4 systems

 - Handle non-coherent GICv4 redistributors properly

 - Prevent spurious interrupts on Broadcom devices using GIC v3
   architecture

 - Other minor fixes

* tag 'irq_urgent_for_v6.8_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irqchip/gic-v3-its: Fix GICv4.1 VPE affinity update
  irqchip/gic-v3-its: Restore quirk probing for ACPI-based systems
  irqchip/gic-v3-its: Handle non-coherent GICv4 redistributors
  irqchip/qcom-mpm: Fix IS_ERR() vs NULL check in qcom_mpm_init()
  irqchip/loongson-eiointc: Use correct struct type in eiointc_domain_alloc()
  irqchip/irq-brcmstb-l2: Add write memory barrier before exit
 2024-02-18 09:14:12 -08:00
Linus Torvalds
626721edee From Andi: 
Three fixes are included here. Two are strictly hardware-related
 for the i801 and qcom-geni devices. Meanwhile, a fix from Arnd
 addresses a compilation error encountered during compile test on
 powerpc.
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Merge tag 'i2c-for-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux

Pull i2c fixes from Wolfram Sang:
 "Two fixes for i801 and qcom-geni devices. Meanwhile, a fix from Arnd
  addresses a compilation error encountered during compile test on
  powerpc"

* tag 'i2c-for-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: i801: Fix block process call transactions
  i2c: pasemi: split driver into two separate modules
  i2c: qcom-geni: Correct I2C TRE sequence
 2024-02-18 09:08:57 -08:00
Linus Torvalds
c02197fc90 powerpc fixes for 6.8 #3 
- Fix ftrace bug on boot caused by exit text sections with -fpatchable-function-entry.
 
  - Fix accuracy of stolen time on pseries since the switch to VIRT_CPU_ACCOUNTING_GEN.
 
  - Fix a crash in the IOMMU code when doing DLPAR remove.
 
  - Set pt_regs->link on scv entry to fix BPF stack unwinding.
 
  - Add missing PPC_FEATURE_BOOKE on 64-bit e5500/e6500, which broke gdb.
 
  - Fix boot on some 6xx platforms with STRICT_KERNEL_RWX enabled.
 
  - Fix build failures with KASAN enabled and 32KB stack size.
 
  - Some other minor fixes.
 
 Thanks to: Arnd Bergmann, Benjamin Gray, Christophe Leroy, David Engraf, Gaurav
 Batra, Jason Gunthorpe, Jiangfeng Xiao, Matthias Schiffer, Nathan Lynch, Naveen
 N Rao, Nicholas Piggin, Nysal Jan K.A, R Nageswara Sastry, Shivaprasad G Bhat,
 Shrikanth Hegde, Spoorthy, Srikar Dronamraju, Venkat Rao Bagalkote.
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Merge tag 'powerpc-6.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc fixes from Michael Ellerman:
 "This is a bit of a big batch for rc4, but just due to holiday hangover
  and because I didn't send any fixes last week due to a late revert
  request. I think next week should be back to normal.

   - Fix ftrace bug on boot caused by exit text sections with
     '-fpatchable-function-entry'

   - Fix accuracy of stolen time on pseries since the switch to
     VIRT_CPU_ACCOUNTING_GEN

   - Fix a crash in the IOMMU code when doing DLPAR remove

   - Set pt_regs->link on scv entry to fix BPF stack unwinding

   - Add missing PPC_FEATURE_BOOKE on 64-bit e5500/e6500, which broke
     gdb

   - Fix boot on some 6xx platforms with STRICT_KERNEL_RWX enabled

   - Fix build failures with KASAN enabled and 32KB stack size

   - Some other minor fixes

  Thanks to Arnd Bergmann, Benjamin Gray, Christophe Leroy, David
  Engraf, Gaurav Batra, Jason Gunthorpe, Jiangfeng Xiao, Matthias
  Schiffer, Nathan Lynch, Naveen N Rao, Nicholas Piggin, Nysal Jan K.A,
  R Nageswara Sastry, Shivaprasad G Bhat, Shrikanth Hegde, Spoorthy,
  Srikar Dronamraju, and Venkat Rao Bagalkote"

* tag 'powerpc-6.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc/iommu: Fix the missing iommu_group_put() during platform domain attach
  powerpc/pseries: fix accuracy of stolen time
  powerpc/ftrace: Ignore ftrace locations in exit text sections
  powerpc/cputable: Add missing PPC_FEATURE_BOOKE on PPC64 Book-E
  powerpc/kasan: Limit KASAN thread size increase to 32KB
  Revert "powerpc/pseries/iommu: Fix iommu initialisation during DLPAR add"
  powerpc: 85xx: mark local functions static
  powerpc: udbg_memcons: mark functions static
  powerpc/kasan: Fix addr error caused by page alignment
  powerpc/6xx: set High BAT Enable flag on G2_LE cores
  selftests/powerpc/papr_vpd: Check devfd before get_system_loc_code()
  powerpc/64: Set task pt_regs->link to the LR value on scv entry
  powerpc/pseries/iommu: Fix iommu initialisation during DLPAR add
  powerpc/pseries/papr-sysparm: use u8 arrays for payloads
 2024-02-17 16:59:31 -08:00
Linus Torvalds
f2667e0c32 bcachefs fixes for v6.8-rc5 
Mostly pretty trivial, the user visible ones are:
  - don't barf when replicas_required > replicas
  - fix check_version_upgrade() so it doesn't do something nonsensical
    when we're downgrading
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Merge tag 'bcachefs-2024-02-17' of https://evilpiepirate.org/git/bcachefs

Pull bcachefs fixes from Kent Overstreet:
 "Mostly pretty trivial, the user visible ones are:

   - don't barf when replicas_required > replicas

   - fix check_version_upgrade() so it doesn't do something nonsensical
     when we're downgrading"

* tag 'bcachefs-2024-02-17' of https://evilpiepirate.org/git/bcachefs:
  bcachefs: Fix missing va_end()
  bcachefs: Fix check_version_upgrade()
  bcachefs: Clamp replicas_required to replicas
  bcachefs: fix missing endiannes conversion in sb_members
  bcachefs: fix kmemleak in __bch2_read_super error handling path
  bcachefs: Fix missing bch2_err_class() calls
 2024-02-17 13:17:32 -08:00
Linus Torvalds
ced5905231 Driver core fixes for 6.8-rc5 
Here are some driver core fixes, a kobject fix, and a documentation
 update for 6.8-rc5.  In detail these changes are:
   - devlink fixes for reported issues with 6.8-rc1
   - topology scheduling regression fix that has been reported by many
   - kobject loosening of checks change in -rc1 is now reverted as some
     codepaths seemed to need the checks
   - documentation update for the CVE process.  Has been reviewed by
     many, the last minute change to the document was to bring the .rst
     format back into the the new style rules, the contents did not
     change.
 
 All of these, except for the documentation update, have been in
 linux-next for over a week.  The documentation update has been reviewed
 for weeks by a group of developers, and in public for a week and the
 wording has stabilized for now.  If future changes are needed, we can do
 so before 6.8-final is out (or anytime after that.)
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core fixes from Greg KH:
 "Here are some driver core fixes, a kobject fix, and a documentation
  update for 6.8-rc5. In detail these changes are:

   - devlink fixes for reported issues with 6.8-rc1

   - topology scheduling regression fix that has been reported by many

   - kobject loosening of checks change in -rc1 is now reverted as some
     codepaths seemed to need the checks

   - documentation update for the CVE process. Has been reviewed by
     many, the last minute change to the document was to bring the .rst
     format back into the the new style rules, the contents did not
     change.

  All of these, except for the documentation update, have been in
  linux-next for over a week. The documentation update has been reviewed
  for weeks by a group of developers, and in public for a week and the
  wording has stabilized for now. If future changes are needed, we can
  do so before 6.8-final is out (or anytime after that)"

* tag 'driver-core-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  Documentation: Document the Linux Kernel CVE process
  Revert "kobject: Remove redundant checks for whether ktype is NULL"
  driver core: fw_devlink: Improve logs for cycle detection
  driver core: fw_devlink: Improve detection of overlapping cycles
  driver core: Fix device_link_flag_is_sync_state_only()
  topology: Set capacity_freq_ref in all cases
 2024-02-17 08:56:41 -08:00
Linus Torvalds
7efc0eb825 Char/Misc changes for 6.8-rc5 
Here is a small set of char/misc and IIO driver fixes for 6.8-rc5
 
 Included in here are:
   - lots of iio driver fixes for reported issues
   - nvmem device naming fixup for reported problem
   - interconnect driver fixes for reported issues
 
 All of these have been in linux-next for a while with no reported the
 issues (the nvmem patch was included in a different branch in linux-next
 before sent to me for inclusion here.)
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char / miscdriver fixes from Greg KH:
 "Here is a small set of char/misc and IIO driver fixes for 6.8-rc5.

  Included in here are:

   - lots of iio driver fixes for reported issues

   - nvmem device naming fixup for reported problem

   - interconnect driver fixes for reported issues

  All of these have been in linux-next for a while with no reported the
  issues (the nvmem patch was included in a different branch in
  linux-next before sent to me for inclusion here)"

* tag 'char-misc-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (21 commits)
  nvmem: include bit index in cell sysfs file name
  iio: adc: ad4130: only set GPIO_CTRL if pin is unused
  iio: adc: ad4130: zero-initialize clock init data
  interconnect: qcom: x1e80100: Add missing ACV enable_mask
  interconnect: qcom: sm8650: Use correct ACV enable_mask
  iio: accel: bma400: Fix a compilation problem
  iio: commom: st_sensors: ensure proper DMA alignment
  iio: hid-sensor-als: Return 0 for HID_USAGE_SENSOR_TIME_TIMESTAMP
  iio: move LIGHT_UVA and LIGHT_UVB to the end of iio_modifier
  staging: iio: ad5933: fix type mismatch regression
  iio: humidity: hdc3020: fix temperature offset
  iio: adc: ad7091r8: Fix error code in ad7091r8_gpio_setup()
  iio: adc: ad_sigma_delta: ensure proper DMA alignment
  iio: imu: adis: ensure proper DMA alignment
  iio: humidity: hdc3020: Add Makefile, Kconfig and MAINTAINERS entry
  iio: imu: bno055: serdev requires REGMAP
  iio: magnetometer: rm3100: add boundary check for the value read from RM3100_REG_TMRC
  iio: pressure: bmp280: Add missing bmp085 to SPI id table
  iio: core: fix memleak in iio_device_register_sysfs
  interconnect: qcom: sm8550: Enable sync_state
  ...
 2024-02-17 08:52:38 -08:00
Linus Torvalds
4b2981b227 TTY/Serial fixes for 6.8-rc5 
Here are 3 small tty and serial driver fixes for 6.8-rc5:
   - revert a 8250_pci1xxxx off-by-one change that was incorrect
   - 2 changes to fix the transmit path of the mxs-auart driver, fixing a
     regression in the 6.2 release
 
 All of these have been in linux-next for over a week with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty / serial fixes from Greg KH:
 "Here are three small tty and serial driver fixes for 6.8-rc5:

   - revert a 8250_pci1xxxx off-by-one change that was incorrect

   - two changes to fix the transmit path of the mxs-auart driver,
     fixing a regression in the 6.2 release

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

* tag 'tty-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  serial: mxs-auart: fix tx
  serial: core: introduce uart_port_tx_flags()
  serial: 8250_pci1xxxx: partially revert off by one patch
 2024-02-17 08:46:57 -08:00
Linus Torvalds
a3a7d16274 USB/Thunderbolt fixes for 6.8-rc5 
Here are 2 small fixes for 6.8-rc5:
   - thunderbolt to fix a reported issue on many platforms
   - dwc3 driver revert of a commit that caused problems in -rc1
 
 Both of these changes have been in linux-next for over a week with no
 reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB / Thunderbolt fixes from Greg KH:
 "Here are two small fixes for 6.8-rc5:

   - thunderbolt to fix a reported issue on many platforms

   - dwc3 driver revert of a commit that caused problems in -rc1

  Both of these changes have been in linux-next for over a week with no
  reported issues"

* tag 'usb-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  Revert "usb: dwc3: Support EBC feature of DWC_usb31"
  thunderbolt: Fix setting the CNS bit in ROUTER_CS_5
 2024-02-17 08:44:55 -08:00
Linus Torvalds
ac00b6546d media fixes for v6.8-rc5 
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Merge tag 'media/v6.8-4' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media fixes from Mauro Carvalho Chehab:

 - regression fix for rkisp1 shared IRQ logic

 - fix atomisp breakage due to a kAPI change

 - permission fix for remote controller BPF support

 - memleak fix in ir_toy driver

 - Kconfig dependency fix for pwm-ir-rx

* tag 'media/v6.8-4' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
  media: pwm-ir-tx: Depend on CONFIG_HIGH_RES_TIMERS
  media: ir_toy: fix a memleak in irtoy_tx
  media: rc: bpf attach/detach requires write permission
  media: atomisp: Adjust for v4l2_subdev_state handling changes in 6.8
  media: rkisp1: Fix IRQ handling due to shared interrupts
  media: Revert "media: rkisp1: Drop IRQF_SHARED"
 2024-02-17 08:13:32 -08:00
Linus Torvalds
4a7571485c pci-v6.8-fixes-3 
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Merge tag 'pci-v6.8-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci

Pull pci fixes from Bjorn Helgaas:

 - Keep bridges in D0 if we need to poll downstream devices for PME to
   resolve a v6.6 regression where we failed to enumerate devices below
   bridges put in D3hot by runtime PM, e.g., NVMe drives connected via
   Thunderbolt or USB4 docks (Alex Williamson)

 - Add Siddharth Vadapalli as PCI TI DRA7XX/J721E reviewer

* tag 'pci-v6.8-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci:
  MAINTAINERS: Add Siddharth Vadapalli as PCI TI DRA7XX/J721E reviewer
  PCI: Fix active state requirement in PME polling
 2024-02-17 08:06:20 -08:00
Linus Torvalds
ad645dea35 Probes fixes for v6.8-rc4: 
- tracing/probes: Fix BTF structure member finder to find the members
     which are placed after any anonymous union member correctly.
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Merge tag 'probes-fixes-v6.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull probes fix from Masami Hiramatsu:

 - tracing/probes: Fix BTF structure member finder to find the members
   which are placed after any anonymous union member correctly.

* tag 'probes-fixes-v6.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  tracing/probes: Fix to search structure fields correctly
 2024-02-17 07:59:47 -08:00
Linus Torvalds
55f626f2d0 Five smb3 client fixes, most also for stable 
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Merge tag '6.8-rc4-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6

Pull smb client fixes from Steve French:
 "Five smb3 client fixes, most also for stable:

   - Two multichannel fixes (one to fix potential handle leak on retry)

   - Work around possible serious data corruption (due to change in
     folios in 6.3, for cases when non standard maximum write size
     negotiated)

   - Symlink creation fix

   - Multiuser automount fix"

* tag '6.8-rc4-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
  smb: Fix regression in writes when non-standard maximum write size negotiated
  smb: client: handle path separator of created SMB symlinks
  smb: client: set correct id, uid and cruid for multiuser automounts
  cifs: update the same create_guid on replay
  cifs: fix underflow in parse_server_interfaces()
 2024-02-17 07:56:10 -08:00
Greg Kroah-Hartman
5928d41155 Documentation: Document the Linux Kernel CVE process 
The Linux kernel project now has the ability to assign CVEs to fixed
issues, so document the process and how individual developers can get a
CVE if one is not automatically assigned for their fixes.

Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/2024021731-essence-sadness-28fd@gregkh
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2024-02-17 14:46:39 +01:00
Masami Hiramatsu (Google)
9704669c38 tracing/probes: Fix to search structure fields correctly 
Fix to search a field from the structure which has anonymous union
correctly.
Since the reference `type` pointer was updated in the loop, the search
loop suddenly aborted where it hits an anonymous union. Thus it can not
find the field after the anonymous union. This avoids updating the
cursor `type` pointer in the loop.

Link: https://lore.kernel.org/all/170791694361.389532.10047514554799419688.stgit@devnote2/

Fixes: 302db0f5b3 ("tracing/probes: Add a function to search a member of a struct/union")
Cc: stable@vger.kernel.org
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
 2024-02-17 21:25:42 +09:00
Wolfram Sang
67ec505fae Merge tag 'i2c-host-fixes-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux into i2c/for-current 
Three fixes are included here. Two are strictly hardware-related
for the i801 and qcom-geni devices. Meanwhile, a fix from Arnd
addresses a compilation error encountered during compile test on
powerpc.
 2024-02-17 13:13:33 +01:00
Siddharth Vadapalli
172c0cf519 MAINTAINERS: Add Siddharth Vadapalli as PCI TI DRA7XX/J721E reviewer 
Since I have been contributing to the driver for a while and wish to help
with the review process, add myself as a reviewer.

Link: https://lore.kernel.org/r/20240216065926.473805-1-s-vadapalli@ti.com
Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
 2024-02-16 16:42:59 -06:00
Linus Torvalds
c1ca10ceff SCSI fixes on 20240216 
Three fixes: the two fnic ones are a revert and a refix, which is why
 the diffstat is a bit big.  The target one also extracts a function to
 add a check for configuration and so looks bigger than it is.
 
 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:
 "Three fixes: the two fnic ones are a revert and a refix, which is why
  the diffstat is a bit big. The target one also extracts a function to
  add a check for configuration and so looks bigger than it is"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: fnic: Move fnic_fnic_flush_tx() to a work queue
  scsi: Revert "scsi: fcoe: Fix potential deadlock on &fip->ctlr_lock"
  scsi: target: Fix unmap setup during configuration
 2024-02-16 14:05:02 -08:00
Linus Torvalds
975b26ab30 workqueue: Fixes for v6.8-rc4 
Just one patch to revert ca10d851b9 ("workqueue: Override implicit ordered
 attribute in workqueue_apply_unbound_cpumask()"). This could break ordering
 guarantee for ordered workqueues. The problem that the commit tried to
 resolve partially - making ordered workqueues follow unbound cpumask - is
 fully solved in wq/for-6.9 branch.
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Merge tag 'wq-for-6.8-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq

Pull workqueue fix from Tejun Heo:
 "Just one patch to revert commit ca10d851b9 ("workqueue: Override
  implicit ordered attribute in workqueue_apply_unbound_cpumask()").

  This commit could break ordering guarantees for ordered workqueues.
  The problem that the commit tried to resolve partially - making
  ordered workqueues follow unbound cpumask - is fully solved in
  wq/for-6.9 branch"

* tag 'wq-for-6.8-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
  Revert "workqueue: Override implicit ordered attribute in workqueue_apply_unbound_cpumask()"
 2024-02-16 14:00:19 -08:00
Linus Torvalds
7edfe0aaa6 block-6.8-2024-02-16 
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Merge tag 'block-6.8-2024-02-16' of git://git.kernel.dk/linux

Pull block fixes from Jens Axboe:
 "Just an nvme pull request via Keith:

   - Fabrics connection error handling (Chaitanya)

   - Use relaxed effects to reduce unnecessary queue freezes (Keith)"

* tag 'block-6.8-2024-02-16' of git://git.kernel.dk/linux:
  nvmet: remove superfluous initialization
  nvme: implement support for relaxed effects
  nvme-fabrics: fix I/O connect error handling
 2024-02-16 13:55:02 -08:00
Linus Torvalds
8096015082 io_uring-6.8-2024-02-16 
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Merge tag 'io_uring-6.8-2024-02-16' of git://git.kernel.dk/linux

Pull io_uring fix from Jens Axboe:
 "Just a single fix for a regression in how overflow is handled for
  multishot accept requests"

* tag 'io_uring-6.8-2024-02-16' of git://git.kernel.dk/linux:
  io_uring/net: fix multishot accept overflow handling
 2024-02-16 13:51:20 -08:00
Linus Torvalds
3f9c1b315d Additional cap handling fixes from Xiubo to avoid "client isn't 
responding to mclientcaps(revoke)" stalls on the MDS side.
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Merge tag 'ceph-for-6.8-rc5' of https://github.com/ceph/ceph-client

Pull ceph fixes from Ilya Dryomov:
 "Additional cap handling fixes from Xiubo to avoid "client isn't
  responding to mclientcaps(revoke)" stalls on the MDS side"

* tag 'ceph-for-6.8-rc5' of https://github.com/ceph/ceph-client:
  ceph: add ceph_cap_unlink_work to fire check_caps() immediately
  ceph: always queue a writeback when revoking the Fb caps
 2024-02-16 13:37:15 -08:00
Linus Torvalds
683b783c20 ARM: 
* Avoid dropping the page refcount twice when freeing an unlinked
   page-table subtree.
 
 * Don't source the VFIO Kconfig twice
 
 * Fix protected-mode locking order between kvm and vcpus
 
 RISC-V:
 
 * Fix steal-time related sparse warnings
 
 x86:
 
 * Cleanup gtod_is_based_on_tsc() to return "bool" instead of an "int"
 
 * Make a KVM_REQ_NMI request while handling KVM_SET_VCPU_EVENTS if and only
   if the incoming events->nmi.pending is non-zero.  If the target vCPU is in
   the UNITIALIZED state, the spurious request will result in KVM exiting to
   userspace, which in turn causes QEMU to constantly acquire and release
   QEMU's global mutex, to the point where the BSP is unable to make forward
   progress.
 
 * Fix a type (u8 versus u64) goof that results in pmu->fixed_ctr_ctrl being
   incorrectly truncated, and ultimately causes KVM to think a fixed counter
   has already been disabled (KVM thinks the old value is '0').
 
 * Fix a stack leak in KVM_GET_MSRS where a failed MSR read from userspace
   that is ultimately ignored due to ignore_msrs=true doesn't zero the output
   as intended.
 
 Selftests cleanups and fixes:
 
 * Remove redundant newlines from error messages.
 
 * Delete an unused variable in the AMX test (which causes build failures when
   compiling with -Werror).
 
 * Fail instead of skipping tests if open(), e.g. of /dev/kvm, fails with an
   error code other than ENOENT (a Hyper-V selftest bug resulted in an EMFILE,
   and the test eventually got skipped).
 
 * Fix TSC related bugs in several Hyper-V selftests.
 
 * Fix a bug in the dirty ring logging test where a sem_post() could be left
   pending across multiple runs, resulting in incorrect synchronization between
   the main thread and the vCPU worker thread.
 
 * Relax the dirty log split test's assertions on 4KiB mappings to fix false
   positives due to the number of mappings for memslot 0 (used for code and
   data that is NOT being dirty logged) changing, e.g. due to NUMA balancing.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM fixes from Paolo Bonzini:
 "ARM:

   - Avoid dropping the page refcount twice when freeing an unlinked
     page-table subtree.

   - Don't source the VFIO Kconfig twice

   - Fix protected-mode locking order between kvm and vcpus

  RISC-V:

   - Fix steal-time related sparse warnings

  x86:

   - Cleanup gtod_is_based_on_tsc() to return "bool" instead of an "int"

   - Make a KVM_REQ_NMI request while handling KVM_SET_VCPU_EVENTS if
     and only if the incoming events->nmi.pending is non-zero. If the
     target vCPU is in the UNITIALIZED state, the spurious request will
     result in KVM exiting to userspace, which in turn causes QEMU to
     constantly acquire and release QEMU's global mutex, to the point
     where the BSP is unable to make forward progress.

   - Fix a type (u8 versus u64) goof that results in pmu->fixed_ctr_ctrl
     being incorrectly truncated, and ultimately causes KVM to think a
     fixed counter has already been disabled (KVM thinks the old value
     is '0').

   - Fix a stack leak in KVM_GET_MSRS where a failed MSR read from
     userspace that is ultimately ignored due to ignore_msrs=true
     doesn't zero the output as intended.

  Selftests cleanups and fixes:

   - Remove redundant newlines from error messages.

   - Delete an unused variable in the AMX test (which causes build
     failures when compiling with -Werror).

   - Fail instead of skipping tests if open(), e.g. of /dev/kvm, fails
     with an error code other than ENOENT (a Hyper-V selftest bug
     resulted in an EMFILE, and the test eventually got skipped).

   - Fix TSC related bugs in several Hyper-V selftests.

   - Fix a bug in the dirty ring logging test where a sem_post() could
     be left pending across multiple runs, resulting in incorrect
     synchronization between the main thread and the vCPU worker thread.

   - Relax the dirty log split test's assertions on 4KiB mappings to fix
     false positives due to the number of mappings for memslot 0 (used
     for code and data that is NOT being dirty logged) changing, e.g.
     due to NUMA balancing"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (25 commits)
  KVM: arm64: Fix double-free following kvm_pgtable_stage2_free_unlinked()
  RISC-V: KVM: Use correct restricted types
  RISC-V: paravirt: Use correct restricted types
  RISC-V: paravirt: steal_time should be static
  KVM: selftests: Don't assert on exact number of 4KiB in dirty log split test
  KVM: selftests: Fix a semaphore imbalance in the dirty ring logging test
  KVM: x86: Fix KVM_GET_MSRS stack info leak
  KVM: arm64: Do not source virt/lib/Kconfig twice
  KVM: x86/pmu: Fix type length error when reading pmu->fixed_ctr_ctrl
  KVM: x86: Make gtod_is_based_on_tsc() return 'bool'
  KVM: selftests: Make hyperv_clock require TSC based system clocksource
  KVM: selftests: Run clocksource dependent tests with hyperv_clocksource_tsc_page too
  KVM: selftests: Use generic sys_clocksource_is_tsc() in vmx_nested_tsc_scaling_test
  KVM: selftests: Generalize check_clocksource() from kvm_clock_test
  KVM: x86: make KVM_REQ_NMI request iff NMI pending for vcpu
  KVM: arm64: Fix circular locking dependency
  KVM: selftests: Fail tests when open() fails with !ENOENT
  KVM: selftests: Avoid infinite loop in hyperv_features when invtsc is missing
  KVM: selftests: Delete superfluous, unused "stage" variable in AMX test
  KVM: selftests: x86_64: Remove redundant newlines
  ...
 2024-02-16 10:48:14 -08:00
Linus Torvalds
4b6f7c624e Tracing fixes for v6.8: 
- Fix the #ifndef that didn't have CONFIG_ on HAVE_DYNAMIC_FTRACE_WITH_REGS
   The fix to have dynamic trampolines work with x86 broke arm64 as
   the config used in the #ifdef was HAVE_DYNAMIC_FTRACE_WITH_REGS and not
   CONFIG_HAVE_DYNAMIC_FTRACE_WITH_REGS which removed the fix that the
   previous fix was to fix.
 
 - Fix tracing_on state
   The code to test if "tracing_on" is set used ring_buffer_record_is_on()
   which returns false if the ring buffer isn't able to be written to.
   But the ring buffer disable has several bits that disable it.
   One is internal disabling which is used for resizing and other
   modifications of the ring buffer. But the "tracing_on" user space
   visible flag should only report if tracing is actually on and not
   internally disabled, as this can cause confusion as writing "1"
   when it is disabled will not enable it.
 
   Instead use ring_buffer_record_is_set_on() which shows the user space
   visible settings.
 
 - Fix a false positive kmemleak on saved cmdlines
   Now that the saved_cmdlines structure is allocated via alloc_page()
   and not via kmalloc() it has become invisible to kmemleak.
   The allocation done to one of its pointers was flagged as a
   dangling allocation leak. Make kmemleak aware of this allocation
   and free.
 
 - Fix synthetic event dynamic strings.
   A update that cleaned up the synthetic event code removed the
   return value of trace_string(), and had it return zero instead
   of the length, causing dynamic strings in the synthetic event
   to always have zero size.
 
 - Clean up documentation and header files for seq_buf
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Merge tag 'trace-v6.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull tracing fixes from Steven Rostedt:

 - Fix the #ifndef that didn't have the 'CONFIG_' prefix on
   HAVE_DYNAMIC_FTRACE_WITH_REGS

   The fix to have dynamic trampolines work with x86 broke arm64 as the
   config used in the #ifdef was HAVE_DYNAMIC_FTRACE_WITH_REGS and not
   CONFIG_HAVE_DYNAMIC_FTRACE_WITH_REGS which removed the fix that the
   previous fix was to fix.

 - Fix tracing_on state

   The code to test if "tracing_on" is set incorrectly used
   ring_buffer_record_is_on() which returns false if the ring buffer
   isn't able to be written to.

   But the ring buffer disable has several bits that disable it. One is
   internal disabling which is used for resizing and other modifications
   of the ring buffer. But the "tracing_on" user space visible flag
   should only report if tracing is actually on and not internally
   disabled, as this can cause confusion as writing "1" when it is
   disabled will not enable it.

   Instead use ring_buffer_record_is_set_on() which shows the user space
   visible settings.

 - Fix a false positive kmemleak on saved cmdlines

   Now that the saved_cmdlines structure is allocated via alloc_page()
   and not via kmalloc() it has become invisible to kmemleak. The
   allocation done to one of its pointers was flagged as a dangling
   allocation leak. Make kmemleak aware of this allocation and free.

 - Fix synthetic event dynamic strings

   An update that cleaned up the synthetic event code removed the return
   value of trace_string(), and had it return zero instead of the
   length, causing dynamic strings in the synthetic event to always have
   zero size.

 - Clean up documentation and header files for seq_buf

* tag 'trace-v6.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  seq_buf: Fix kernel documentation
  seq_buf: Don't use "proxy" headers
  tracing/synthetic: Fix trace_string() return value
  tracing: Inform kmemleak of saved_cmdlines allocation
  tracing: Use ring_buffer_record_is_set_on() in tracer_tracing_is_on()
  tracing: Fix HAVE_DYNAMIC_FTRACE_WITH_REGS ifdef
 2024-02-16 10:33:51 -08:00
Linus Torvalds
3f3f64cb60 arm64 fixes for -rc5 
- Fix allocation failure during SVE coredumps
 
 - Fix handling of SVE context on signal delivery
 
 - Enable Neoverse N2 CPU errata workarounds for Microsoft's
   "Azure Cobalt 100" clone
 
 - Work around CMN PMU erratum in AmpereOneX implementation
 
 - Fix typo in CXL PMU event definition
 
 - Fix jump label asm constraints
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Will Deacon:
 "It's a little busier than normal, but it's still not a lot of code and
  things seem fairly quiet in general:

   - Fix allocation failure during SVE coredumps

   - Fix handling of SVE context on signal delivery

   - Enable Neoverse N2 CPU errata workarounds for Microsoft's "Azure
     Cobalt 100" clone

   - Work around CMN PMU erratum in AmpereOneX implementation

   - Fix typo in CXL PMU event definition

   - Fix jump label asm constraints"

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64/sve: Lower the maximum allocation for the SVE ptrace regset
  arm64: Subscribe Microsoft Azure Cobalt 100 to ARM Neoverse N2 errata
  perf/arm-cmn: Workaround AmpereOneX errata AC04_MESH_1 (incorrect child count)
  arm64: jump_label: use constraints "Si" instead of "i"
  arm64: fix typo in comments
  perf: CXL: fix mismatched cpmu event opcode
  arm64/signal: Don't assume that TIF_SVE means we saved SVE state
 2024-02-16 10:28:29 -08:00
Linus Torvalds
efb0b63afc zonefs fixes for 6.8.0-rc5 
- Fix direct write error handling to avoid a race between failed IO
    completion and the submission path itself which can result in an
    invalid file size exposed to the user after the failed IO.
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Merge tag 'zonefs-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs

Pull zonefs fix from Damien Le Moal:

 - Fix direct write error handling to avoid a race between failed IO
   completion and the submission path itself which can result in an
   invalid file size exposed to the user after the failed IO.

* tag 'zonefs-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs:
  zonefs: Improve error handling
 2024-02-16 09:29:26 -08:00
Paolo Bonzini
9895ceeb5c KVM/arm64 fixes for 6.8, take #2 
- Avoid dropping the page refcount twice when freeing an unlinked
   page-table subtree.
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Merge tag 'kvmarm-fixes-6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD

KVM/arm64 fixes for 6.8, take #2

- Avoid dropping the page refcount twice when freeing an unlinked
  page-table subtree.
 2024-02-16 12:02:38 -05:00
Paolo Bonzini
8046fa5fc2 KVM/arm64 fixes for 6.8, take #1 
- Don't source the VFIO Kconfig twice
 
 - Fix protected-mode locking order between kvm and vcpus
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Merge tag 'kvmarm-fixes-6.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD

KVM/arm64 fixes for 6.8, take #1

- Don't source the VFIO Kconfig twice

- Fix protected-mode locking order between kvm and vcpus
 2024-02-16 12:02:31 -05:00
Linus Torvalds
0f1dd5e91e sound fixes for 6.8-rc5 
A collection of device-specific fixes.  It became a bit bigger
 than wished, but all look reasonably small and safe to apply.
 
 - A few Cirrus Logic CS35L56 and CS42L43 driver fixes
 - ASoC SOF fixes and workarounds
 - Various ASoC Intel fixes
 - Lots of HD-, USB-audio and AMD ACP quirks
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Merge tag 'sound-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "A collection of device-specific fixes. It became a bit bigger than
  wished, but all look reasonably small and safe to apply.

   - A few Cirrus Logic CS35L56 and CS42L43 driver fixes

   - ASoC SOF fixes and workarounds

   - Various ASoC Intel fixes

   - Lots of HD-, USB-audio and AMD ACP quirks"

* tag 'sound-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (33 commits)
  ALSA: usb-audio: More relaxed check of MIDI jack names
  ALSA: hda/realtek: fix mute/micmute LED For HP mt645
  ALSA: hda/realtek: cs35l41: Fix order and duplicates in quirks table
  ALSA: hda/realtek: cs35l41: Fix device ID / model name
  ALSA: hda/realtek: cs35l41: Add internal speaker support for ASUS UM3402 with missing DSD
  ASoC: cs35l56: Workaround for ACPI with broken spk-id-gpios property
  ALSA: hda: Add Lenovo Legion 7i gen7 sound quirk
  ASoC: SOF: IPC3: fix message bounds on ipc ops
  ASoC: SOF: ipc4-pcm: Workaround for crashed firmware on system suspend
  ASoC: q6dsp: fix event handler prototype
  ASoC: SOF: Intel: pci-lnl: Change the topology path to intel/sof-ipc4-tplg
  ASoC: SOF: Intel: pci-tgl: Change the default paths and firmware names
  ASoC: amd: yc: Fix non-functional mic on Lenovo 82UU
  ASoC: rt5645: Add DMI quirk for inverted jack-detect on MeeGoPad T8
  ASoC: rt5645: Make LattePanda board DMI match more precise
  ASoC: SOF: amd: Fix locking in ACP IRQ handler
  ASoC: rt5645: Fix deadlock in rt5645_jack_detect_work()
  ASoC: Intel: cht_bsw_rt5645: Cleanup codec_name handling
  ASoC: Intel: Boards: Fix NULL pointer deref in BYT/CHT boards
  ASoC: cs35l56: Remove default from IRQ1_CFG register
  ...
 2024-02-16 09:02:19 -08:00
Linus Torvalds
beda9c23ad gpio fixes for v6.8-rc5 
- add missing stubs for functions that are not built with GPIOLIB disabled
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Merge tag 'gpio-fixes-for-v6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull gpio fixes from Bartosz Golaszewski:

 - add missing stubs for functions that are not built with GPIOLIB
   disabled

* tag 'gpio-fixes-for-v6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
  gpiolib: add gpio_device_get_label() stub for !GPIOLIB
  gpiolib: add gpio_device_get_base() stub for !GPIOLIB
  gpiolib: add gpiod_to_gpio_device() stub for !GPIOLIB
 2024-02-16 08:55:46 -08:00
Linus Torvalds
ca6a62f9fe drm fixes for 6.8-rc5 
crtc:
 - fix uninit variable
 
 prime:
 - support > 4GB page arrays
 
 buddy:
 - fix error handling in allocations
 
 i915:
 - fix blankscreen on JSL chromebooks
 - stable fix to limit DP sst link rates
 
 xe:
 - Fix an out-of-bounds shift.
 - Fix the display code thinking xe uses shmem
 - Fix a warning about index out-of-bound
 - Fix a clang-16 compilation warning
 
 amdgpu:
 - PSR fixes
 - Suspend/resume fixes
 - Link training fix
 - Aspect ratio fix
 - DCN 3.5 fixes
 - VCN 4.x fix
 - GFX 11 fix
 - Misc display fixes
 - Misc small fixes
 
 amdkfd:
 - Cache size reporting fix
 - SIMD distribution fix
 
 msm:
 - GPU:
 - dmabuf vmap fix
 - a610 UBWC corruption fix (incorrect hbb)
 - revert a commit that was making GPU recovery unreliable
  - tlb invalidation fix
 
 ivpu:
 - suspend/resume fix
 
 nouveau:
 - fix scheduler cleanup path
 - fix pointless scheduler creation
 - fix kvalloc argument order
 
 rockchip:
 - vop2 locking fix
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Merge tag 'drm-fixes-2024-02-16' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "Regular weekly fixes, nothing too major, mostly amdgpu, then i915, xe,
  msm and nouveau with some scattered bits elsewhere.

  crtc:
   - fix uninit variable

  prime:
   - support > 4GB page arrays

  buddy:
   - fix error handling in allocations

  i915:
   - fix blankscreen on JSL chromebooks
   - stable fix to limit DP sst link rates

  xe:
   - Fix an out-of-bounds shift.
   - Fix the display code thinking xe uses shmem
   - Fix a warning about index out-of-bound
   - Fix a clang-16 compilation warning

  amdgpu:
   - PSR fixes
   - Suspend/resume fixes
   - Link training fix
   - Aspect ratio fix
   - DCN 3.5 fixes
   - VCN 4.x fix
   - GFX 11 fix
   - Misc display fixes
   - Misc small fixes

  amdkfd:
   - Cache size reporting fix
   - SIMD distribution fix

  msm:
   - GPU:
   - dmabuf vmap fix
   - a610 UBWC corruption fix (incorrect hbb)
   - revert a commit that was making GPU recovery unreliable
   - tlb invalidation fix

  ivpu:
   - suspend/resume fix

  nouveau:
   - fix scheduler cleanup path
   - fix pointless scheduler creation
   - fix kvalloc argument order

  rockchip:
   - vop2 locking fix"

* tag 'drm-fixes-2024-02-16' of git://anongit.freedesktop.org/drm/drm: (38 commits)
  drm/amdgpu: Fix implicit assumtion in gfx11 debug flags
  drm/amdkfd: update SIMD distribution algo for GFXIP 9.4.2 onwards
  drm/amd/display: Increase ips2_eval delay for DCN35
  drm/amdgpu/display: Initialize gamma correction mode variable in dcn30_get_gamcor_current()
  drm/amdgpu/soc21: update VCN 4 max HEVC encoding resolution
  drm/amd/display: fixed integer types and null check locations
  drm/amd/display: Fix array-index-out-of-bounds in dcn35_clkmgr
  drm/amd/display: Preserve original aspect ratio in create stream
  drm/amd/display: Fix possible NULL dereference on device remove/driver unload
  Revert "drm/amd/display: increased min_dcfclk_mhz and min_fclk_mhz"
  drm/amd/display: Add align done check
  Revert "drm/amd: flush any delayed gfxoff on suspend entry"
  drm/amd: Stop evicting resources on APUs in suspend
  drm/amd/display: Fix possible buffer overflow in 'find_dcfclk_for_voltage()'
  drm/amd/display: Fix possible use of uninitialized 'max_chunks_fbc_mode' in 'calculate_bandwidth()'
  drm/amd/display: Initialize 'wait_time_microsec' variable in link_dp_training_dpia.c
  drm/amd/display: Fix && vs || typos
  drm/amdkfd: Fix L2 cache size reporting in GFX9.4.3
  drm/amdgpu: make damage clips support configurable
  drm/msm: Wire up tlb ops
  ...
 2024-02-16 08:05:30 -08:00
Linus Torvalds
b8ef920168 lsm/stable-6.8 PR 20240215 
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Merge tag 'lsm-pr-20240215' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm

Pull lsm fix from Paul Moore:
 "One small LSM patch to fix a potential integer overflow in the newly
  added lsm_set_self_attr() syscall"

* tag 'lsm-pr-20240215' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm:
  lsm: fix integer overflow in lsm_set_self_attr() syscall
 2024-02-16 07:58:43 -08:00
Dave Airlie
ea69f782d0 Merge tag 'drm-msm-fixes-2024-02-15' of https://gitlab.freedesktop.org/drm/msm into drm-fixes 
Fixes for v6.8-rc5

GPU:
- dmabuf vmap fix
- a610 UBWC corruption fix (incorrect hbb)
- revert a commit that was making GPU recovery unreliable
- tlb invalidation fix

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rob Clark <robdclark@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/CAF6AEGszDSiw66+a=ttBr-hat+zrcBtfc_cZ4LQqXu89DJ0UeQ@mail.gmail.com
 2024-02-16 15:47:15 +10:00
Dave Airlie
44395701ad amd-drm-fixes-6.8-2024-02-15-2: 
amdgpu:
 - PSR fixes
 - Suspend/resume fixes
 - Link training fix
 - Aspect ratio fix
 - DCN 3.5 fixes
 - VCN 4.x fix
 - GFX 11 fix
 - Misc display fixes
 - Misc small fixes
 
 amdkfd:
 - Cache size reporting fix
 - SIMD distribution fix
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Merge tag 'amd-drm-fixes-6.8-2024-02-15-2' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes

amd-drm-fixes-6.8-2024-02-15-2:

amdgpu:
- PSR fixes
- Suspend/resume fixes
- Link training fix
- Aspect ratio fix
- DCN 3.5 fixes
- VCN 4.x fix
- GFX 11 fix
- Misc display fixes
- Misc small fixes

amdkfd:
- Cache size reporting fix
- SIMD distribution fix

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

From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240215192452.11805-1-alexander.deucher@amd.com
 2024-02-16 15:46:33 +10:00
Dave Airlie
427e337f7a Driver Changes: 
- Fix an out-of-bounds shift.
 - Fix the display code thinking xe uses shmem
 - Fix a warning about index out-of-bound
 - Fix a clang-16 compilation warning
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Merge tag 'drm-xe-fixes-2024-02-15' of https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes

Driver Changes:
- Fix an out-of-bounds shift.
- Fix the display code thinking xe uses shmem
- Fix a warning about index out-of-bound
- Fix a clang-16 compilation warning

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

From: Thomas Hellstrom <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/Zc4GpcrbFVqdK9Ws@fedora
 2024-02-16 15:45:12 +10:00
Dave Airlie
7e1c3be3f9 Merge tag 'drm-intel-fixes-2024-02-15' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes 
Fix for #10172: Blank screen on JSL Chromebooks. Stable fix to limit DP SST link rate to <=8.1Gbps.

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/Zc37W27F5OvoeSkG@jlahtine-mobl.ger.corp.intel.com
 2024-02-16 15:44:39 +10:00
Dave Airlie
38df7e5e6c A suspend/resume error fix for ivpu, a couple of scheduler fixes for 
nouveau, a patch to support large page arrays in prime, a uninitialized
 variable fix in crtc, a locking fix in rockchip/vop2 and a buddy
 allocator error reporting fix.
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Merge tag 'drm-misc-fixes-2024-02-15' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes

A suspend/resume error fix for ivpu, a couple of scheduler fixes for
nouveau, a patch to support large page arrays in prime, a uninitialized
variable fix in crtc, a locking fix in rockchip/vop2 and a buddy
allocator error reporting fix.

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

From: Maxime Ripard <mripard@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/b4ffqzigtfh6cgzdpwuk6jlrv3dnk4hu6etiizgvibysqgtl2p@42n2gdfdd5eu
 2024-02-16 14:33:38 +10:00