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Fixes:
Signed-off-by: Kent Overstreet <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Fix a crash when hot adding a PCI device to an LPAR since
recent changes
- Fix nested KVM level-2 guest reboot failure due to empty
'arch_compat'
Thanks to Amit Machhiwal, Aneesh Kumar K.V (IBM), Brian King, Gaurav
Batra, and Vaibhav Jain.
* tag 'powerpc-6.8-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
KVM: PPC: Book3S HV: Fix L2 guest reboot failure due to empty 'arch_compat'
powerpc/pseries/iommu: DLPAR add doesn't completely initialize pci_controller
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu fixes from Joerg Roedel:
- Intel VT-d fixes for nested domain handling:
- Cache invalidation for changes in a parent domain
- Dirty tracking setting for parent and nested domains
- Fix a constant-out-of-range warning
- ARM SMMU fixes:
- Fix CD allocation from atomic context when using SVA with SMMUv3
- Revert the conversion of SMMUv2 to domain_alloc_paging(), as it
breaks the boot for Qualcomm MSM8996 devices
- Restore SVA handle sharing in core code as it turned out there are
still drivers relying on it
* tag 'iommu-fixes-v6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/sva: Restore SVA handle sharing
iommu/arm-smmu-v3: Do not use GFP_KERNEL under as spinlock
iommu/vt-d: Fix constant-out-of-range warning
iommu/vt-d: Set SSADE when attaching to a parent with dirty tracking
iommu/vt-d: Add missing dirty tracking set for parent domain
iommu/vt-d: Wrap the dirty tracking loop to be a helper
iommu/vt-d: Remove domain parameter for intel_pasid_setup_dirty_tracking()
iommu/vt-d: Add missing device iotlb flush for parent domain
iommu/vt-d: Update iotlb in nested domain attach
iommu/vt-d: Add missing iotlb flush for parent domain
iommu/vt-d: Add __iommu_flush_iotlb_psi()
iommu/vt-d: Track nested domains in parent
Revert "iommu/arm-smmu: Convert to domain_alloc_paging()"
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git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
Pull cxl fixes from Dan Williams:
"A collection of significant fixes for the CXL subsystem.
The largest change in this set, that bordered on "new development", is
the fix for the fact that the location of the new qos_class attribute
did not match the Documentation. The fix ends up deleting more code
than it added, and it has a new unit test to backstop basic errors in
this interface going forward. So the "red-diff" and unit test saved
the "rip it out and try again" response.
In contrast, the new notification path for firmware reported CXL
errors (CXL CPER notifications) has a locking context bug that can not
be fixed with a red-diff. Given where the release cycle stands, it is
not comfortable to squeeze in that fix in these waning days. So, that
receives the "back it out and try again later" treatment.
There is a regression fix in the code that establishes memory NUMA
nodes for platform CXL regions. That has an ack from x86 folks. There
are a couple more fixups for Linux to understand (reassemble) CXL
regions instantiated by platform firmware. The policy around platforms
that do not match host-physical-address with system-physical-address
(i.e. systems that have an address translation mechanism between the
address range reported in the ACPI CEDT.CFMWS and endpoint decoders)
has been softened to abort driver load rather than teardown the memory
range (can cause system hangs). Lastly, there is a robustness /
regression fix for cases where the driver would previously continue in
the face of error, and a fixup for PCI error notification handling.
Summary:
- Fix NUMA initialization from ACPI CEDT.CFMWS
- Fix region assembly failures due to async init order
- Fix / simplify export of qos_class information
- Fix cxl_acpi initialization vs single-window-init failures
- Fix handling of repeated 'pci_channel_io_frozen' notifications
- Workaround platforms that violate host-physical-address ==
system-physical address assumptions
- Defer CXL CPER notification handling to v6.9"
* tag 'cxl-fixes-6.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl:
cxl/acpi: Fix load failures due to single window creation failure
acpi/ghes: Remove CXL CPER notifications
cxl/pci: Fix disabling memory if DVSEC CXL Range does not match a CFMWS window
cxl/test: Add support for qos_class checking
cxl: Fix sysfs export of qos_class for memdev
cxl: Remove unnecessary type cast in cxl_qos_class_verify()
cxl: Change 'struct cxl_memdev_state' *_perf_list to single 'struct cxl_dpa_perf'
cxl/region: Allow out of order assembly of autodiscovered regions
cxl/region: Handle endpoint decoders in cxl_region_find_decoder()
x86/numa: Fix the sort compare func used in numa_fill_memblks()
x86/numa: Fix the address overlap check in numa_fill_memblks()
cxl/pci: Skip to handle RAS errors if CXL.mem device is detached
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fix from Mike Snitzer:
- Fix DM integrity and verity targets to not use excessive stack when
they recheck in the error path.
* tag 'for-6.8/dm-fix-3' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm-integrity, dm-verity: reduce stack usage for recheck
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Six fixes: the four driver ones are pretty trivial.
The larger two core changes are to try to fix various USB attached
devices which have somewhat eccentric ways of handling the VPD and
other mode pages which necessitate multiple revalidates (that were
removed in the interests of efficiency) and updating the heuristic for
supported VPD pages"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: jazz_esp: Only build if SCSI core is builtin
scsi: smartpqi: Fix disable_managed_interrupts
scsi: ufs: Uninitialized variable in ufshcd_devfreq_target()
scsi: target: pscsi: Fix bio_put() for error case
scsi: core: Consult supported VPD page list prior to fetching page
scsi: sd: usb_storage: uas: Access media prior to querying device properties
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fix from Wolfram Sang:
"A bugfix for host drivers"
* tag 'i2c-for-6.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: imx: when being a target, mark the last read as processed
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git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
Pull LoongArch fixes from Huacai Chen:
"Fix two cpu-hotplug issues, fix the init sequence about FDT system,
fix the coding style of dts, and fix the wrong CPUCFG ID handling of
KVM"
* tag 'loongarch-fixes-6.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson:
LoongArch: KVM: Streamline kvm_check_cpucfg() and improve comments
LoongArch: KVM: Rename _kvm_get_cpucfg() to _kvm_get_cpucfg_mask()
LoongArch: KVM: Fix input validation of _kvm_get_cpucfg() & kvm_check_cpucfg()
LoongArch: dts: Minor whitespace cleanup
LoongArch: Call early_init_fdt_scan_reserved_mem() earlier
LoongArch: Update cpu_sibling_map when disabling nonboot CPUs
LoongArch: Disable IRQ before init_fn() for nonboot CPUs
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The newly added integrity_recheck() function has another larger stack
allocation, just like its caller integrity_metadata(). When it gets
inlined, the combination of the two exceeds the warning limit for 32-bit
architectures and possibly risks an overflow when this is called from
a deep call chain through a file system:
drivers/md/dm-integrity.c:1767:13: error: stack frame size (1048) exceeds limit (1024) in 'integrity_metadata' [-Werror,-Wframe-larger-than]
1767 | static void integrity_metadata(struct work_struct *w)
Since the caller at this point is done using its checksum buffer,
just reuse the same buffer in the new function to avoid the double
allocation.
[Mikulas: add "noinline" to integrity_recheck and verity_recheck.
These functions are only called on error, so they shouldn't bloat the
stack frame or code size of the caller.]
Fixes: c88f5e553fe3 ("dm-integrity: recheck the integrity tag after a failure")
Fixes: 9177f3c0dea6 ("dm-verity: recheck the hash after a failure")
Cc: [email protected]
Signed-off-by: Arnd Bergmann <[email protected]>
Signed-off-by: Mikulas Patocka <[email protected]>
Signed-off-by: Mike Snitzer <[email protected]>
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There is a loophole in pstate limit clamping for the intel_cpufreq CPU
frequency scaling driver (intel_pstate in passive mode), schedutil CPU
frequency scaling governor, HWP (HardWare Pstate) control enabled, when
the adjust_perf call back path is used.
Fix it.
Fixes: a365ab6b9dfb cpufreq: intel_pstate: Implement the ->adjust_perf() callback
Signed-off-by: Doug Smythies <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
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Architectures like powerpc add debug checks to ensure we find only devmap
PUD pte entries. These debug checks are only done with CONFIG_DEBUG_VM.
This patch marks the ptes used for PUD advanced test devmap pte entries so
that we don't hit on debug checks on architecture like ppc64 as below.
WARNING: CPU: 2 PID: 1 at arch/powerpc/mm/book3s64/radix_pgtable.c:1382 radix__pud_hugepage_update+0x38/0x138
....
NIP [c0000000000a7004] radix__pud_hugepage_update+0x38/0x138
LR [c0000000000a77a8] radix__pudp_huge_get_and_clear+0x28/0x60
Call Trace:
[c000000004a2f950] [c000000004a2f9a0] 0xc000000004a2f9a0 (unreliable)
[c000000004a2f980] [000d34c100000000] 0xd34c100000000
[c000000004a2f9a0] [c00000000206ba98] pud_advanced_tests+0x118/0x334
[c000000004a2fa40] [c00000000206db34] debug_vm_pgtable+0xcbc/0x1c48
[c000000004a2fc10] [c00000000000fd28] do_one_initcall+0x60/0x388
Also
kernel BUG at arch/powerpc/mm/book3s64/pgtable.c:202!
....
NIP [c000000000096510] pudp_huge_get_and_clear_full+0x98/0x174
LR [c00000000206bb34] pud_advanced_tests+0x1b4/0x334
Call Trace:
[c000000004a2f950] [000d34c100000000] 0xd34c100000000 (unreliable)
[c000000004a2f9a0] [c00000000206bb34] pud_advanced_tests+0x1b4/0x334
[c000000004a2fa40] [c00000000206db34] debug_vm_pgtable+0xcbc/0x1c48
[c000000004a2fc10] [c00000000000fd28] do_one_initcall+0x60/0x388
Link: https://lkml.kernel.org/r/[email protected]
Fixes: 27af67f35631 ("powerpc/book3s64/mm: enable transparent pud hugepage")
Signed-off-by: Aneesh Kumar K.V (IBM) <[email protected]>
Cc: Anshuman Khandual <[email protected]>
Cc: Michael Ellerman <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
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In cachestat, we access the folio from the page cache's xarray to compute
its page offset, and check for its dirty and writeback flags. However, we
do not hold a reference to the folio before performing these actions,
which means the folio can concurrently be released and reused as another
folio/page/slab.
Get around this altogether by just using xarray's existing machinery for
the folio page offsets and dirty/writeback states.
This changes behavior for tmpfs files to now always report zeroes in their
dirty and writeback counters. This is okay as tmpfs doesn't follow
conventional writeback cache behavior: its pages get "cleaned" during
swapout, after which they're no longer resident etc.
Link: https://lkml.kernel.org/r/[email protected]
Fixes: cf264e1329fb ("cachestat: implement cachestat syscall")
Reported-by: Jann Horn <[email protected]>
Suggested-by: Matthew Wilcox <[email protected]>
Signed-off-by: Nhat Pham <[email protected]>
Signed-off-by: Johannes Weiner <[email protected]>
Tested-by: Jann Horn <[email protected]>
Cc: <[email protected]> [6.4+]
Signed-off-by: Andrew Morton <[email protected]>
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Recently there have been a number of patches which have affected various
aspects of the memory mapping logic as implemented in mm/mmap.c where it
would have been useful for regular contributors to have been notified.
Add an entry for this part of mm in particular with regular contributors
tagged as reviewers.
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Lorenzo Stoakes <[email protected]>
Acked-by: Vlastimil Babka <[email protected]>
Acked-by: Liam R. Howlett <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
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With numa balancing on, when a numa system is running where a numa node
doesn't have its local memory so it has no managed zones, the following
oops has been observed. It's because wakeup_kswapd() is called with a
wrong zone index, -1. Fixed it by checking the index before calling
wakeup_kswapd().
> BUG: unable to handle page fault for address: 00000000000033f3
> #PF: supervisor read access in kernel mode
> #PF: error_code(0x0000) - not-present page
> PGD 0 P4D 0
> Oops: 0000 [#1] PREEMPT SMP NOPTI
> CPU: 2 PID: 895 Comm: masim Not tainted 6.6.0-dirty #255
> Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS
> rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014
> RIP: 0010:wakeup_kswapd (./linux/mm/vmscan.c:7812)
> Code: (omitted)
> RSP: 0000:ffffc90004257d58 EFLAGS: 00010286
> RAX: ffffffffffffffff RBX: ffff88883fff0480 RCX: 0000000000000003
> RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88883fff0480
> RBP: ffffffffffffffff R08: ff0003ffffffffff R09: ffffffffffffffff
> R10: ffff888106c95540 R11: 0000000055555554 R12: 0000000000000003
> R13: 0000000000000000 R14: 0000000000000000 R15: ffff88883fff0940
> FS: 00007fc4b8124740(0000) GS:ffff888827c00000(0000) knlGS:0000000000000000
> CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> CR2: 00000000000033f3 CR3: 000000026cc08004 CR4: 0000000000770ee0
> DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
> PKRU: 55555554
> Call Trace:
> <TASK>
> ? __die
> ? page_fault_oops
> ? __pte_offset_map_lock
> ? exc_page_fault
> ? asm_exc_page_fault
> ? wakeup_kswapd
> migrate_misplaced_page
> __handle_mm_fault
> handle_mm_fault
> do_user_addr_fault
> exc_page_fault
> asm_exc_page_fault
> RIP: 0033:0x55b897ba0808
> Code: (omitted)
> RSP: 002b:00007ffeefa821a0 EFLAGS: 00010287
> RAX: 000055b89983acd0 RBX: 00007ffeefa823f8 RCX: 000055b89983acd0
> RDX: 00007fc2f8122010 RSI: 0000000000020000 RDI: 000055b89983acd0
> RBP: 00007ffeefa821a0 R08: 0000000000000037 R09: 0000000000000075
> R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
> R13: 00007ffeefa82410 R14: 000055b897ba5dd8 R15: 00007fc4b8340000
> </TASK>
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Byungchul Park <[email protected]>
Reported-by: Hyeongtak Ji <[email protected]>
Fixes: c574bbe917036 ("NUMA balancing: optimize page placement for memory tiering system")
Reviewed-by: Oscar Salvador <[email protected]>
Cc: Baolin Wang <[email protected]>
Cc: "Huang, Ying" <[email protected]>
Cc: Johannes Weiner <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
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This partially reverts commits cc478e0b6bdf, 63b85ac56a64, 08d7c94d9635,
a414d4286f34, and 773688a6cb24 to make use of variable-sized stack depot
records, since eviction of stack entries from stack depot forces fixed-
sized stack records. Care was taken to retain the code cleanups by the
above commits.
Eviction was added to generic KASAN as a response to alleviating the
additional memory usage from fixed-sized stack records, but this still
uses more memory than previously.
With the re-introduction of variable-sized records for stack depot, we can
just switch back to non-evictable stack records again, and return back to
the previous performance and memory usage baseline.
Before (observed after a KASAN kernel boot):
pools: 597
refcounted_allocations: 17547
refcounted_frees: 6477
refcounted_in_use: 11070
freelist_size: 3497
persistent_count: 12163
persistent_bytes: 1717008
After:
pools: 319
refcounted_allocations: 0
refcounted_frees: 0
refcounted_in_use: 0
freelist_size: 0
persistent_count: 29397
persistent_bytes: 5183536
As can be seen from the counters, with a generic KASAN config, refcounted
allocations and evictions are no longer used. Due to using variable-sized
records, I observe a reduction of 278 stack depot pools (saving 4448 KiB)
with my test setup.
Link: https://lkml.kernel.org/r/[email protected]
Fixes: cc478e0b6bdf ("kasan: avoid resetting aux_lock")
Fixes: 63b85ac56a64 ("kasan: stop leaking stack trace handles")
Fixes: 08d7c94d9635 ("kasan: memset free track in qlink_free")
Fixes: a414d4286f34 ("kasan: handle concurrent kasan_record_aux_stack calls")
Fixes: 773688a6cb24 ("kasan: use stack_depot_put for Generic mode")
Signed-off-by: Marco Elver <[email protected]>
Reviewed-by: Andrey Konovalov <[email protected]>
Tested-by: Mikhail Gavrilov <[email protected]>
Cc: Alexander Potapenko <[email protected]>
Cc: Dmitry Vyukov <[email protected]>
Cc: Andrey Ryabinin <[email protected]>
Cc: Vincenzo Frascino <[email protected]>
Cc: Vlastimil Babka <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
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With the introduction of stack depot evictions, each stack record is now
fixed size, so that future reuse after an eviction can safely store
differently sized stack traces. In all cases that do not make use of
evictions, this wastes lots of space.
Fix it by re-introducing variable size stack records (up to the max
allowed size) for entries that will never be evicted. We know if an entry
will never be evicted if the flag STACK_DEPOT_FLAG_GET is not provided,
since a later stack_depot_put() attempt is undefined behavior.
With my current kernel config that enables KASAN and also SLUB owner
tracking, I observe (after a kernel boot) a whopping reduction of 296
stack depot pools, which translates into 4736 KiB saved. The savings here
are from SLUB owner tracking only, because KASAN generic mode still uses
refcounting.
Before:
pools: 893
allocations: 29841
frees: 6524
in_use: 23317
freelist_size: 3454
After:
pools: 597
refcounted_allocations: 17547
refcounted_frees: 6477
refcounted_in_use: 11070
freelist_size: 3497
persistent_count: 12163
persistent_bytes: 1717008
[[email protected]: fix -Wstringop-overflow warning]
Link: https://lore.kernel.org/all/[email protected]/
Link: https://lkml.kernel.org/r/[email protected]
Link: https://lore.kernel.org/all/CABXGCsOzpRPZGg23QqJAzKnqkZPKzvieeg=W7sgjgi3q0pBo0g@mail.gmail.com/
Link: https://lkml.kernel.org/r/[email protected]
Link: https://lore.kernel.org/all/CABXGCsOzpRPZGg23QqJAzKnqkZPKzvieeg=W7sgjgi3q0pBo0g@mail.gmail.com/
Fixes: 108be8def46e ("lib/stackdepot: allow users to evict stack traces")
Signed-off-by: Marco Elver <[email protected]>
Reviewed-by: Andrey Konovalov <[email protected]>
Tested-by: Mikhail Gavrilov <[email protected]>
Cc: Alexander Potapenko <[email protected]>
Cc: Dmitry Vyukov <[email protected]>
Cc: Andrey Ryabinin <[email protected]>
Cc: Vincenzo Frascino <[email protected]>
Cc: Vlastimil Babka <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
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The bit-sliced implementation of AES-CTR operates on blocks of 128
bytes, and will fall back to the plain NEON version for tail blocks or
inputs that are shorter than 128 bytes to begin with.
It will call straight into the plain NEON asm helper, which performs all
memory accesses in granules of 16 bytes (the size of a NEON register).
For this reason, the associated plain NEON glue code will copy inputs
shorter than 16 bytes into a temporary buffer, given that this is a rare
occurrence and it is not worth the effort to work around this in the asm
code.
The fallback from the bit-sliced NEON version fails to take this into
account, potentially resulting in out-of-bounds accesses. So clone the
same workaround, and use a temp buffer for short in/outputs.
Fixes: fc074e130051 ("crypto: arm64/aes-neonbs-ctr - fallback to plain NEON for final chunk")
Cc: <[email protected]>
Reported-by: [email protected]
Reviewed-by: Eric Biggers <[email protected]>
Signed-off-by: Ard Biesheuvel <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>
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The lskcipher glue code for skcipher needs to copy the IV every
time rather than only on the first and last request. Otherwise
those algorithms that use IV to perform chaining may break, e.g.,
CBC.
This is because crypto_skcipher_import/export do not include the
IV as part of the saved state.
Reported-by: [email protected]
Fixes: 662ea18d089b ("crypto: skcipher - Make use of internal state")
Signed-off-by: Herbert Xu <[email protected]>
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When a queue(tfile) is detached, we only update tfile's queue_index,
but do not update xdp_rxq_info's queue_index. This patch fixes it.
Fixes: 8bf5c4ee1889 ("tun: setup xdp_rxq_info")
Signed-off-by: Yunjian Wang <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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When being a target, NAK from the controller means that all bytes have
been transferred. So, the last byte needs also to be marked as
'processed'. Otherwise index registers of backends may not increase.
Fixes: f7414cd6923f ("i2c: imx: support slave mode for imx I2C driver")
Signed-off-by: Corey Minyard <[email protected]>
Tested-by: Andrew Manley <[email protected]>
Reviewed-by: Andrew Manley <[email protected]>
Reviewed-by: Oleksij Rempel <[email protected]>
[wsa: fixed comment and commit message to properly describe the case]
Signed-off-by: Wolfram Sang <[email protected]>
Signed-off-by: Andi Shyti <[email protected]>
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In apparmor_getselfattr() when an invalid AppArmor attribute is
requested, or a value hasn't been explicitly set for the requested
attribute, the label passed to aa_put_label() is not properly
initialized which can cause problems when the pointer value is non-NULL
and AppArmor attempts to drop a reference on the bogus label object.
Cc: Casey Schaufler <[email protected]>
Cc: John Johansen <[email protected]>
Fixes: 223981db9baf ("AppArmor: Add selfattr hooks")
Signed-off-by: Mickaël Salaün <[email protected]>
Reviewed-by: Paul Moore <[email protected]>
[PM: description changes as discussed with MS]
Signed-off-by: Paul Moore <[email protected]>
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selinux_getselfattr() doesn't properly initialize the string pointer
it passes to selinux_lsm_getattr() which can cause a problem when an
attribute hasn't been explicitly set; selinux_lsm_getattr() returns
0/success, but does not set or initialize the string label/attribute.
Failure to properly initialize the string causes problems later in
selinux_getselfattr() when the function attempts to kfree() the
string.
Cc: Casey Schaufler <[email protected]>
Fixes: 762c934317e6 ("SELinux: Add selfattr hooks")
Suggested-by: Paul Moore <[email protected]>
[PM: description changes as discussed in the thread]
Signed-off-by: Mickaël Salaün <[email protected]>
Signed-off-by: Paul Moore <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc architecture fixes from Helge Deller:
"Fixes CPU hotplug, the parisc stack unwinder and two possible build
errors in kprobes and ftrace area:
- Fix CPU hotplug
- Fix unaligned accesses and faults in stack unwinder
- Fix potential build errors by always including asm-generic/kprobes.h
- Fix build bug by add missing CONFIG_DYNAMIC_FTRACE check"
* tag 'parisc-for-6.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Fix stack unwinder
parisc/kprobes: always include asm-generic/kprobes.h
parisc/ftrace: add missing CONFIG_DYNAMIC_FTRACE check
Revert "parisc: Only list existing CPUs in cpu_possible_mask"
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull arm and RISC-V SoC fixes from Arnd Bergmann:
"The Rockchip and IMX8 platforms get a number of fixes for dts files in
order to address some misconfigurations, including a regression for
USB-C support on some boards.
The other dts fixes are part of a series by Rob Herring to clean up
another class of dtc compiler warnings across all platforms, with a
few others helping out as well. With this, we can enable the warning
for the coming merge window without introducing regressions.
Conor Dooley has collected fixes for RISC-V platforms, both for the
dts files and for platofrm specific drivers.
The ep93xx platform gets a regression for for its gpio descriptors"
* tag 'arm-fixes-6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (28 commits)
ARM: dts: renesas: rcar-gen2: Add missing #interrupt-cells to DA9063 nodes
cache: ax45mp_cache: Align end size to cache boundary in ax45mp_dma_cache_wback()
arm64: dts: qcom: Fix interrupt-map cell sizes
arm: dts: Fix dtc interrupt_map warnings
arm64: dts: Fix dtc interrupt_provider warnings
arm: dts: Fix dtc interrupt_provider warnings
arm64: dts: freescale: Disable interrupt_map check
ARM: ep93xx: Add terminator to gpiod_lookup_table
riscv: dts: sifive: add missing #interrupt-cells to pmic
arm64: dts: rockchip: Correct Indiedroid Nova GPIO Names
arm64: dts: rockchip: Drop interrupts property from rk3328 pwm-rockchip node
arm64: dts: rockchip: set num-cs property for spi on px30
arm64: dts: rockchip: minor rk3588 whitespace cleanup
riscv: dts: starfive: replace underscores in node names
bus: imx-weim: fix valid range check
Revert "arm64: dts: imx8mn-var-som-symphony: Describe the USB-C connector"
Revert "arm64: dts: imx8mp-dhcom-pdk3: Describe the USB-C connector"
arm64: dts: tqma8mpql: fix audio codec iov-supply
arm64: dts: rockchip: drop unneeded status from rk3588-jaguar gpio-leds
ARM: dts: rockchip: Drop interrupts property from pwm-rockchip nodes
...
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"A simple fix to a definition in the CXL PMU driver, a couple of
patches to restore SME control registers on the resume path (since
Arm's fast model now clears them) and a revert for our jump label asm
constraints after Geert noticed they broke the build with GCC 5.5.
There was then the ensuing discussion about raising the minimum GCC
(and corresponding binutils) versions at [1], but for now we'll keep
things working as they were until that goes ahead.
- Revert fix to jump label asm constraints, as it regresses the build
with some GCC 5.5 toolchains.
- Restore SME control registers when resuming from suspend
- Fix incorrect filter definition in CXL PMU driver"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64/sme: Restore SMCR_EL1.EZT0 on exit from suspend
arm64/sme: Restore SME registers on exit from suspend
Revert "arm64: jump_label: use constraints "Si" instead of "i""
perf: CXL: fix CPMU filter value mask length
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Heiko Carstens:
- Fix invalid -EBUSY on ccw_device_start() which can lead to failing
device initialization
- Add missing multiplication by 8 in __iowrite64_copy() to get the
correct byte length before calling zpci_memcpy_toio()
- Various config updates
* tag 's390-6.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/cio: fix invalid -EBUSY on ccw_device_start
s390: use the correct count for __iowrite64_copy()
s390/configs: update default configurations
s390/configs: enable INIT_STACK_ALL_ZERO in all configurations
s390/configs: provide compat topic configuration target
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"A batch of MM (and one non-MM) hotfixes.
Ten are cc:stable and the remainder address post-6.7 issues or aren't
considered appropriate for backporting"
* tag 'mm-hotfixes-stable-2024-02-22-15-02' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
kasan: guard release_free_meta() shadow access with kasan_arch_is_ready()
mm/damon/lru_sort: fix quota status loss due to online tunings
mm/damon/reclaim: fix quota stauts loss due to online tunings
MAINTAINERS: mailmap: update Shakeel's email address
mm/damon/sysfs-schemes: handle schemes sysfs dir removal before commit_schemes_quota_goals
mm: memcontrol: clarify swapaccount=0 deprecation warning
mm/memblock: add MEMBLOCK_RSRV_NOINIT into flagname[] array
mm/zswap: invalidate duplicate entry when !zswap_enabled
lib/Kconfig.debug: TEST_IOV_ITER depends on MMU
mm/swap: fix race when skipping swapcache
mm/swap_state: update zswap LRU's protection range with the folio locked
selftests/mm: uffd-unit-test check if huge page size is 0
mm/damon/core: check apply interval in damon_do_apply_schemes()
mm: zswap: fix missing folio cleanup in writeback race path
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
- Stable fixes for 3 DM targets (integrity, verity and crypt) to
address systemic failure that can occur if user provided pages map to
the same block.
- Fix DM crypt to not allow modifying data that being encrypted for
authenticated encryption.
- Fix DM crypt and verity targets to align their respective bvec_iter
struct members to avoid the need for byte level access (due to
__packed attribute) that is costly on some arches (like RISC).
* tag 'for-6.8/dm-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm-crypt, dm-integrity, dm-verity: bump target version
dm-verity, dm-crypt: align "struct bvec_iter" correctly
dm-crypt: recheck the integrity tag after a failure
dm-crypt: don't modify the data when using authenticated encryption
dm-verity: recheck the hash after a failure
dm-integrity: recheck the integrity tag after a failure
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Pull drm fixes from Dave Airlie:
"This is the weekly drm fixes. Non-drivers there is a fbdev/sparc fix,
syncobj, ttm and buddy fixes.
On the driver side, ivpu, meson, i915 have a small fix each. Then
amdgpu and xe have a bunch. Nouveau has some minor uapi additions to
give userspace some useful info along with a Kconfig change to allow
the new GSP firmware paths to be used by default on the GPUs it
supports.
Seems about the usual amount for this time of release cycle.
fbdev:
- fix sparc undefined reference
syncobj:
- fix sync obj fence waiting
- handle NULL fence in syncobj eventfd code
ttm:
- fix invalid free
buddy:
- fix list handling
- fix 32-bit build
meson:
- don't remove bridges from other drivers
nouveau:
- fix build warnings
- add two minor info parameters
- add a Kconfig to allow GSP by default on some GPUs
ivpu:
- allow fw to do initial tile config
i915:
- fix TV mode
amdgpu:
- Suspend/resume fixes
- Backlight error fix
- DCN 3.5 fixes
- Misc fixes
xe:
- Remove support for persistent exec_queues
- Drop a reduntant sysfs newline printout
- A three-patch fix for a VM_BIND rebind optimization path
- Fix a modpost warning on an xe KUNIT module"
* tag 'drm-fixes-2024-02-23' of git://anongit.freedesktop.org/drm/drm: (27 commits)
nouveau: add an ioctl to report vram usage
nouveau: add an ioctl to return vram bar size.
nouveau/gsp: add kconfig option to enable GSP paths by default
drm/amdgpu: Fix the runtime resume failure issue
drm/amd/display: fix null-pointer dereference on edid reading
drm/amd/display: Fix memory leak in dm_sw_fini()
drm/amd/display: fix input states translation error for dcn35 & dcn351
drm/amd/display: Fix potential null pointer dereference in dc_dmub_srv
drm/amd/display: Only allow dig mapping to pwrseq in new asic
drm/amd/display: adjust few initialization order in dm
drm/syncobj: handle NULL fence in syncobj_eventfd_entry_func
drm/syncobj: call drm_syncobj_fence_add_wait when WAIT_AVAILABLE flag is set
drm/ttm: Fix an invalid freeing on already freed page in error path
sparc: Fix undefined reference to fb_is_primary_device
drm/xe: Fix modpost warning on xe_mocs kunit module
drm/xe/xe_gt_idle: Drop redundant newline in name
drm/xe: Return 2MB page size for compact 64k PTEs
drm/xe: Add XE_VMA_PTE_64K VMA flag
drm/xe: Fix xe_vma_set_pte_size
drm/xe/uapi: Remove support for persistent exec_queues
...
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git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux
Pull ata fixes from Niklas Cassel:
- Do not try to set a sleeping device to standby. Sleep is a deeper
sleep state than standby, and needs a reset to wake up the drive. A
system resume will reset the port. Sending a command other than reset
to a sleeping device is not wise, as the command will timeout (Damien
Le Moal)
- Do not try to put a device to standby twice during system shutdown.
ata_dev_power_set_standby() is currently called twice during
shutdown, once after the scsi device is removed, and another when
ata_pci_shutdown_one() executes. Modify ata_dev_power_set_standby()
to do nothing if the device is already in standby (Damien Le Moal)
- Add a quirk for ASM1064 to fixup the number of implemented ports. We
probe all ports that the hardware reports to be implemented. Probing
ports that are not implemented causes significantly increased boot
time (Andrey Jr. Melnikov)
- Fix error handling for the ahci_ceva driver. Ensure that the
ahci_ceva driver does a proper cleanup of its resources in the error
path (Radhey Shyam Pandey)
* tag 'ata-6.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux:
ata: libata-core: Do not call ata_dev_power_set_standby() twice
ata: ahci_ceva: fix error handling for Xilinx GT PHY support
ahci: asm1064: correct count of reported ports
ata: libata-core: Do not try to set sleeping devices to standby
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git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fix from Bartosz Golaszewski:
- fix a use-case where no pins are mapped to GPIOs in
gpiochip_generic_config()
* tag 'gpio-fixes-for-v6.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpiolib: Handle no pin_ranges in gpiochip_generic_config()
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Before attempting to support the pre-ratification version of vector
found on older T-Head CPUs, disallow "v" in riscv,isa on these
platforms. The deprecated property has no clear way to communicate
the specific version of vector that is supported and much of the vendor
provided software puts "v" in the isa string. riscv,isa-extensions
should be used instead. This should not be too much of a burden for
these systems, as the vendor shipped devicetrees and firmware do not
work with a mainline kernel and will require updating.
We can limit this restriction to only ignore v in riscv,isa on CPUs
that report T-Head's vendor ID and a zero marchid. Newer T-Head CPUs
that support the ratified version of vector should report non-zero
marchid, according to Guo Ren [1].
Link: https://lore.kernel.org/linux-riscv/CAJF2gTRy5eK73=d6s7CVy9m9pB8p4rAoMHM3cZFwzg=AuF7TDA@mail.gmail.com/ [1]
Fixes: dc6667a4e7e3 ("riscv: Extending cpufeature.c to detect V-extension")
Co-developed-by: Conor Dooley <[email protected]>
Signed-off-by: Conor Dooley <[email protected]>
Acked-by: Guo Ren <[email protected]>
Link: https://lore.kernel.org/r/20240223-tidings-shabby-607f086cb4d7@spud
Signed-off-by: Palmer Dabbelt <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fix from Guenter Roeck:
"Fix a global-out-of-bounds bug in nct6775 driver"
* tag 'hwmon-for-v6.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (nct6775) Fix access to temperature configuration registers
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Prior to commit 092edaddb660 ("iommu: Support mm PASID 1:n with sva
domains") the code allowed a SVA handle to be bound multiple times to the
same (mm, device) pair. This was alluded to in the kdoc comment, but we
had understood this to be more a remark about allowing multiple devices,
not a literal same-driver re-opening the same SVA.
It turns out uacce and idxd were both relying on the core code to handle
reference counting for same-device same-mm scenarios. As this looks hard
to resolve in the drivers bring it back to the core code.
The new design has changed the meaning of the domain->users refcount to
refer to the number of devices that are sharing that domain for the same
mm. This is part of the design to lift the SVA domain de-duplication out
of the drivers.
Return the old behavior by explicitly de-duplicating the struct iommu_sva
handle. The same (mm, device) will return the same handle pointer and the
core code will handle tracking this. The last unbind of the handle will
destroy it.
Fixes: 092edaddb660 ("iommu: Support mm PASID 1:n with sva domains")
Reported-by: Zhangfei Gao <[email protected]>
Closes: https://lore.kernel.org/all/[email protected]/
Tested-by: Zhangfei Gao <[email protected]>
Signed-off-by: Jason Gunthorpe <[email protected]>
Reviewed-by: Lu Baolu <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Joerg Roedel <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into iommu/fixes
Arm SMMU fixes for 6.8
- Fix CD allocation from atomic context when using SVA with SMMUv3
- Revert the conversion of SMMUv2 to domain_alloc_paging(), as it
breaks the boot for Qualcomm MSM8996 devices
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We need to bail out before adding/removing devices if we are going to
-EPROBE_DEFER. Otherwise boot can get stuck in a probe deferral loop due
to a long-standing issue in driver core (see commit fbc35b45f9f6 ("Add
documentation on meaning of -EPROBE_DEFER")).
Deregistering the altmode child device can potentially also trigger bugs
in the DRM bridge implementation, which does not expect bridges to go
away.
[DB: slightly fixed commit message by adding the word 'commit']
Suggested-by: Dmitry Baryshkov <[email protected]>
Signed-off-by: Rob Clark <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
[ johan: rebase on 6.8-rc4, amend commit message and mention DRM ]
Fixes: 58ef4ece1e41 ("soc: qcom: pmic_glink: Introduce base PMIC GLINK driver")
Cc: <[email protected]> # 6.3
Cc: Bjorn Andersson <[email protected]>
Signed-off-by: Johan Hovold <[email protected]>
Reviewed-by: Bjorn Andersson <[email protected]>
Reviewed-by: Dmitry Baryshkov <[email protected]>
Reviewed-by: Neil Armstrong <[email protected]>
Signed-off-by: Dmitry Baryshkov <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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A recent DRM series purporting to simplify support for "transparent
bridges" and handling of probe deferrals ironically exposed a
use-after-free issue on pmic_glink_altmode probe deferral.
This has manifested itself as the display subsystem occasionally failing
to initialise and NULL-pointer dereferences during boot of machines like
the Lenovo ThinkPad X13s.
Specifically, the dp-hpd bridge is currently registered before all
resources have been acquired which means that it can also be
deregistered on probe deferrals.
In the meantime there is a race window where the new aux bridge driver
(or PHY driver previously) may have looked up the dp-hpd bridge and
stored a (non-reference-counted) pointer to the bridge which is about to
be deallocated.
When the display controller is later initialised, this triggers a
use-after-free when attaching the bridges:
dp -> aux -> dp-hpd (freed)
which may, for example, result in the freed bridge failing to attach:
[drm:drm_bridge_attach [drm]] *ERROR* failed to attach bridge /soc@0/phy@88eb000 to encoder TMDS-31: -16
or a NULL-pointer dereference:
Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
...
Call trace:
drm_bridge_attach+0x70/0x1a8 [drm]
drm_aux_bridge_attach+0x24/0x38 [aux_bridge]
drm_bridge_attach+0x80/0x1a8 [drm]
dp_bridge_init+0xa8/0x15c [msm]
msm_dp_modeset_init+0x28/0xc4 [msm]
The DRM bridge implementation is clearly fragile and implicitly built on
the assumption that bridges may never go away. In this case, the fix is
to move the bridge registration in the pmic_glink_altmode driver to
after all resources have been looked up.
Incidentally, with the new dp-hpd bridge implementation, which registers
child devices, this is also a requirement due to a long-standing issue
in driver core that can otherwise lead to a probe deferral loop (see
commit fbc35b45f9f6 ("Add documentation on meaning of -EPROBE_DEFER")).
[DB: slightly fixed commit message by adding the word 'commit']
Fixes: 080b4e24852b ("soc: qcom: pmic_glink: Introduce altmode support")
Fixes: 2bcca96abfbf ("soc: qcom: pmic-glink: switch to DRM_AUX_HPD_BRIDGE")
Cc: <[email protected]> # 6.3
Cc: Bjorn Andersson <[email protected]>
Cc: Dmitry Baryshkov <[email protected]>
Signed-off-by: Johan Hovold <[email protected]>
Reviewed-by: Bjorn Andersson <[email protected]>
Reviewed-by: Dmitry Baryshkov <[email protected]>
Signed-off-by: Dmitry Baryshkov <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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Combining allocation and registration is an anti-pattern that should be
avoided. Add two new functions for allocating and registering an dp-hpd
bridge with a proper 'devm' prefix so that it is clear that these are
device managed interfaces.
devm_drm_dp_hpd_bridge_alloc()
devm_drm_dp_hpd_bridge_add()
The new interface will be used to fix a use-after-free bug in the
Qualcomm PMIC GLINK driver and may prevent similar issues from being
introduced elsewhere.
The existing drm_dp_hpd_bridge_register() is reimplemented using the
above and left in place for now.
Signed-off-by: Johan Hovold <[email protected]>
Reviewed-by: Bjorn Andersson <[email protected]>
Reviewed-by: Dmitry Baryshkov <[email protected]>
Signed-off-by: Dmitry Baryshkov <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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snd_soc_card_get_kcontrol() must be holding a read lock on
card->controls_rwsem while walking the controls list.
Compare with snd_ctl_find_numid().
The existing function is renamed snd_soc_card_get_kcontrol_locked()
so that it can be called from contexts that are already holding
card->controls_rwsem (for example, control get/put functions).
There are few direct or indirect callers of
snd_soc_card_get_kcontrol(), and most are safe. Three require
changes, which have been included in this patch:
codecs/cs35l45.c:
cs35l45_activate_ctl() is called from a control put() function so
is changed to call snd_soc_card_get_kcontrol_locked().
codecs/cs35l56.c:
cs35l56_sync_asp1_mixer_widgets_with_firmware() is called from
control get()/put() functions so is changed to call
snd_soc_card_get_kcontrol_locked().
fsl/fsl_xcvr.c:
fsl_xcvr_activate_ctl() is called from three places, one of which
already holds card->controls_rwsem:
1. fsl_xcvr_mode_put(), a control put function, which will
already be holding card->controls_rwsem.
2. fsl_xcvr_startup(), a DAI startup function.
3. fsl_xcvr_shutdown(), a DAI shutdown function.
To fix this, fsl_xcvr_activate_ctl() has been changed to call
snd_soc_card_get_kcontrol_locked() so that it is safe to call
directly from fsl_xcvr_mode_put().
The fsl_xcvr_startup() and fsl_xcvr_shutdown() functions have been
changed to take a read lock on card->controls_rsem() around calls
to fsl_xcvr_activate_ctl(). While this is not very elegant, it
keeps the change small, to avoid this patch creating a large
collateral churn in fsl/fsl_xcvr.c.
Analysis of other callers of snd_soc_card_get_kcontrol() is that
they do not need any changes, they are not holding card->controls_rwsem
when they call snd_soc_card_get_kcontrol().
Direct callers of snd_soc_card_get_kcontrol():
fsl/fsl_spdif.c: fsl_spdif_dai_probe() - DAI probe function
fsl/fsl_micfil.c: voice_detected_fn() - IRQ handler
Indirect callers via soc_component_notify_control():
codecs/cs42l43: cs42l43_mic_shutter() - IRQ handler
codecs/cs42l43: cs42l43_spk_shutter() - IRQ handler
codecs/ak4118.c: ak4118_irq_handler() - IRQ handler
codecs/wm_adsp.c: wm_adsp_write_ctl() - not currently used
Indirect callers via snd_soc_limit_volume():
qcom/sc8280xp.c: sc8280xp_snd_init() - DAIlink init function
ti/rx51.c: rx51_aic34_init() - DAI init function
I don't have hardware to test the fsl/*, qcom/sc828xp.c, ti/rx51.c
and ak4118.c changes.
Backport note:
The fsl/, qcom/, cs35l45, cs35l56 and cs42l43 callers were added
since the Fixes commit so won't all be present on older kernels.
Signed-off-by: Richard Fitzgerald <[email protected]>
Fixes: 209c6cdfd283 ("ASoC: soc-card: move snd_soc_card_get_kcontrol() to soc-card")
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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The volume of subwoofer channels is always at maximum with the
ALC269_FIXUP_THINKPAD_ACPI chain.
Use ALC285_FIXUP_THINKPAD_HEADSET_JACK to align it to the master volume.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=208555#c827
Fixes: 3babae915f4c ("ALSA: hda/tas2781: Add tas2781 HDA driver")
Cc: <[email protected]>
Signed-off-by: Gergo Koteles <[email protected]>
Link: https://lore.kernel.org/r/7ffae10ebba58601d25fe2ff8381a6ae3a926e62.1708687813.git.soyer@irl.hu
Signed-off-by: Takashi Iwai <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel into arm/fixes
Renesas fixes for v6.8
- Add missing #interrupt-cells to DA9063 nodes.
* tag 'renesas-fixes-for-v6.8-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel:
ARM: dts: renesas: rcar-gen2: Add missing #interrupt-cells to DA9063 nodes
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Arnd Bergmann <[email protected]>
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https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux into arm/fixes
RISC-V Devicetree fixes for v6.8-rc6
Two fixes for W=2 issues in devicetrees, which should constitute fixes
for all reasonable-to-fix W=2 problems on RISC-V. The others are caused
by standard USB and MMC property names containing underscores that are
not likely to ever change.
Signed-off-by: Conor Dooley <[email protected]>
* tag 'riscv-dt-fixes-for-v6.8-rc6' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux:
riscv: dts: sifive: add missing #interrupt-cells to pmic
riscv: dts: starfive: replace underscores in node names
Link: https://lore.kernel.org/r/20240221-foil-glade-09dbf1aa3fe2@spud
Signed-off-by: Arnd Bergmann <[email protected]>
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https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux into arm/fixes
RISC-V SoC driver fixes for v6.8-rc6
A fix for a kconfig symbol whose help text has been unhelpful since its
introduction.
Signed-off-by: Conor Dooley <[email protected]>
* tag 'riscv-soc-drivers-fixes-for-v6.8-rc6' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux:
soc: microchip: Fix POLARFIRE_SOC_SYS_CTRL input prompt
Link: https://lore.kernel.org/r/20240221-irate-outrage-cf7f96f83074@spud
Signed-off-by: Arnd Bergmann <[email protected]>
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https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux into arm/fixes
Microchip firmware driver fixes for v6.8-rc6
A single fix for me incorrectly using sizeof().
Signed-off-by: Conor Dooley <[email protected]>
* tag 'riscv-firmware-fixes-for-v6.8-rc6' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux:
firmware: microchip: fix wrong sizeof argument
Link: https://lore.kernel.org/r/20240221-recognize-dust-4bb575f4e67b@spud
Signed-off-by: Arnd Bergmann <[email protected]>
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https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux into arm/fixes
RISC-V Cache driver fixes for v6.8-rc6
A single fix for an inconsistency reported during CIP review by Pavel in
the newly added ax45mp cache driver.
Signed-off-by: Conor Dooley <[email protected]>
* tag 'riscv-cache-fixes-for-v6.8-rc6' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux:
cache: ax45mp_cache: Align end size to cache boundary in ax45mp_dma_cache_wback()
Link: https://lore.kernel.org/r/20240221-keenness-handheld-b930aaa77708@spud
Signed-off-by: Arnd Bergmann <[email protected]>
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Commit 3ce4f9c3fbb3 ("net/ps3_gelic_net: Add gelic_descr structures") of
6.8-rc1 had a copy-and-paste error where the pointer that holds the
allocated SKB (struct gelic_descr.skb) was set to NULL after the SKB was
allocated. This resulted in a kernel panic when the SKB pointer was
accessed.
This fix moves the initialization of the gelic_descr to before the SKB
is allocated.
Reported-by: sambat goson <[email protected]>
Fixes: 3ce4f9c3fbb3 ("net/ps3_gelic_net: Add gelic_descr structures")
Signed-off-by: Geoff Levand <[email protected]>
Reviewed-by: Simon Horman <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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tree
Since commit 5d93cfcf7360 ("net: dpaa: Convert to phylink"), we support
the "10gbase-r" phy-mode through a driver-based conversion of "xgmii",
but we still don't actually support it when the device tree specifies
"10gbase-r" proper.
This is because boards such as LS1046A-RDB do not define pcs-handle-names
(for whatever reason) in the ethernet@f0000 device tree node, and the
code enters through this code path:
err = of_property_match_string(mac_node, "pcs-handle-names", "xfi");
// code takes neither branch and falls through
if (err >= 0) {
(...)
} else if (err != -EINVAL && err != -ENODATA) {
goto _return_fm_mac_free;
}
(...)
/* For compatibility, if pcs-handle-names is missing, we assume this
* phy is the first one in pcsphy-handle
*/
err = of_property_match_string(mac_node, "pcs-handle-names", "sgmii");
if (err == -EINVAL || err == -ENODATA)
pcs = memac_pcs_create(mac_node, 0); // code takes this branch
else if (err < 0)
goto _return_fm_mac_free;
else
pcs = memac_pcs_create(mac_node, err);
// A default PCS is created and saved in "pcs"
// This determination fails and mistakenly saves the default PCS
// memac->sgmii_pcs instead of memac->xfi_pcs, because at this
// stage, mac_dev->phy_if == PHY_INTERFACE_MODE_10GBASER.
if (err && mac_dev->phy_if == PHY_INTERFACE_MODE_XGMII)
memac->xfi_pcs = pcs;
else
memac->sgmii_pcs = pcs;
In other words, in the absence of pcs-handle-names, the default
xfi_pcs assignment logic only works when in the device tree we have
PHY_INTERFACE_MODE_XGMII.
By reversing the order between the fallback xfi_pcs assignment and the
"xgmii" overwrite with "10gbase-r", we are able to support both values
in the device tree, with identical behavior.
Currently, it is impossible to make the s/xgmii/10gbase-r/ device tree
conversion, because it would break forward compatibility (new device
tree with old kernel). The only way to modify existing device trees to
phy-interface-mode = "10gbase-r" is to fix stable kernels to accept this
value and handle it properly.
One reason why the conversion is desirable is because with pre-phylink
kernels, the Aquantia PHY driver used to warn about the improper use
of PHY_INTERFACE_MODE_XGMII [1]. It is best to have a single (latest)
device tree that works with all supported stable kernel versions.
Note that the blamed commit does not constitute a regression per se.
Older stable kernels like 6.1 still do not work with "10gbase-r", but
for a different reason. That is a battle for another time.
[1] https://lore.kernel.org/netdev/20240214-ls1046-dts-use-10gbase-r-v1-1-8c2d68547393@concurrent-rt.com/
Fixes: 5d93cfcf7360 ("net: dpaa: Convert to phylink")
Signed-off-by: Vladimir Oltean <[email protected]>
Reviewed-by: Sean Anderson <[email protected]>
Acked-by: Madalin Bucur <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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The two device node references taken during allocation need to be
dropped when the auxiliary device is freed.
Fixes: 6914968a0b52 ("drm/bridge: properly refcount DT nodes in aux bridge drivers")
Cc: Dmitry Baryshkov <[email protected]>
Cc: Neil Armstrong <[email protected]>
Signed-off-by: Johan Hovold <[email protected]>
Reviewed-by: Neil Armstrong <[email protected]>
Reviewed-by: Dmitry Baryshkov <[email protected]>
Reviewed-by: Bjorn Andersson <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Neil Armstrong <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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Return used most significant bits from sample bit-width rather than the whole
physical sample word size. The starting bit offset is defined in the format
itself.
The behaviour is not changed for 32-bit formats like S32_LE. But with this
change - msbits value 24 instead 32 is returned for 24-bit formats like S24_LE
etc.
Also, commit 2112aa034907 ("ALSA: pcm: Introduce MSBITS subformat interface")
compares sample bit-width not physical sample bit-width to reset MSBITS_MAX bit
from the subformat bitmask.
Probably no applications are using msbits value for other than S32_LE/U32_LE
formats, because no drivers are reducing msbits value for other formats (with
the msb offset) at the moment.
For sanity, increase PCM protocol version, letting the user space to detect
the changed behaviour.
Signed-off-by: Jaroslav Kysela <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Takashi Iwai <[email protected]>
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When a station has not been uploaded yet, receiving SMPS or channel width
notification action frames can lead to rate_control_rate_update calling
drv_sta_rc_update with uninitialized driver private data.
Fix this by adding a missing check for sta->uploaded.
Signed-off-by: Felix Fietkau <[email protected]>
Link: https://msgid.link/[email protected]
Signed-off-by: Johannes Berg <[email protected]>
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