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If lazy call of ->permission() returns a hard error, check that
try_to_unlazy() succeeds before returning it. That both makes
life easier for ->permission() instances and closes the race
in ENOTDIR handling - it is possible that positive d_can_lookup()
seen in link_path_walk() applies to the state *after* unlink() +
mkdir(), while nd->inode matches the state prior to that.
Normally seeing e.g. EACCES from permission check in rcu pathwalk
means that with some timings non-rcu pathwalk would've run into
the same; however, running into a non-executable regular file
in the middle of a pathname would not get to permission check -
it would fail with ENOTDIR instead.
Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Avoids fun races in RCU pathwalk... Same goes for freeing LSM shite
hanging off super_block's arse.
Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
check_snapshot() copies the bch_snapshot to a temporary to easily handle
older versions that don't have all the fields of the current version,
but it lacked a min() to correctly handle keys newer and larger than the
current version.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
If a journal write errored, the list of devices it was written to could
be empty - we're not supposed to mark an empty replicas list.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
bch2_direct_IO_read() checks the request offset and size for sector
alignment and then falls through to a couple calculations to shrink
the size of the request based on the inode size. The problem is that
these checks round up to the fs block size, which runs the risk of
underflowing iter->count if the block size happens to be large
enough. This is triggered by fstest generic/361 with a 4k block
size, which subsequently leads to a crash. To avoid this crash,
check that the shorten length doesn't exceed the overall length of
the iter.
Fixes:
Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Su Yue <glass.su@suse.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
If we're in FILTER_SNAPSHOTS mode and we start scanning a range of the
keyspace where no keys are visible in the current snapshot, we have a
problem - we'll scan for a very long time before scanning terminates.
Awhile back, this was fixed for most cases with peek_upto() (and
assertions that enforce that it's being used).
But the fix missed the fact that the inodes btree is different - every
key offset is in a different snapshot tree, not just the inode field.
Fixes:
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Recently, we fixed our __GFP_NOFAIL usage in the readahead path, but the
easy one in read_single_folio() (where wa can return an error) was
missed - oops.
Fixes:
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
- 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,
Vaibhav Jain.
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Merge tag 'powerpc-6.8-4' of 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
Including:
- 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
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Merge tag 'iommu-fixes-v6.8-rc5' of 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()"
- 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
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Merge tag 'cxl-fixes-6.8-rc6' of 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
they recheck in the error path.
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Merge tag 'for-6.8/dm-fix-3' of 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
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.
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:
"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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Merge tag 'i2c-for-6.8-rc6' of 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
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: stable@vger.kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
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 <dsmythies@telus.net>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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/20240129060022.68044-1-aneesh.kumar@kernel.org
Fixes: 27af67f35631 ("powerpc/book3s64/mm: enable transparent pud hugepage")
Signed-off-by: Aneesh Kumar K.V (IBM) <aneesh.kumar@kernel.org>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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/20240220153409.GA216065@cmpxchg.org
Fixes: cf264e1329fb ("cachestat: implement cachestat syscall")
Reported-by: Jann Horn <jannh@google.com>
Suggested-by: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Nhat Pham <nphamcs@gmail.com>
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Tested-by: Jann Horn <jannh@google.com>
Cc: <stable@vger.kernel.org> [6.4+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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/20240220064410.4639-1-lstoakes@gmail.com
Signed-off-by: Lorenzo Stoakes <lstoakes@gmail.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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/20240129100708.39460-2-elver@google.com
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 <elver@google.com>
Reviewed-by: Andrey Konovalov <andreyknvl@gmail.com>
Tested-by: Mikhail Gavrilov <mikhail.v.gavrilov@gmail.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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
[elver@google.com: fix -Wstringop-overflow warning]
Link: https://lore.kernel.org/all/20240201135747.18eca98e@canb.auug.org.au/
Link: https://lkml.kernel.org/r/20240201090434.1762340-1-elver@google.com
Link: https://lore.kernel.org/all/CABXGCsOzpRPZGg23QqJAzKnqkZPKzvieeg=W7sgjgi3q0pBo0g@mail.gmail.com/
Link: https://lkml.kernel.org/r/20240129100708.39460-1-elver@google.com
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 <elver@google.com>
Reviewed-by: Andrey Konovalov <andreyknvl@gmail.com>
Tested-by: Mikhail Gavrilov <mikhail.v.gavrilov@gmail.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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: <stable@vger.kernel.org>
Reported-by: syzbot+f1ceaa1a09ab891e1934@syzkaller.appspotmail.com
Reviewed-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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: syzbot+b90b904ef6bdfdafec1d@syzkaller.appspotmail.com
Fixes: 662ea18d089b ("crypto: skcipher - Make use of internal state")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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 <wangyunjian@huawei.com>
Link: https://lore.kernel.org/r/1708398727-46308-1-git-send-email-wangyunjian@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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 <minyard@acm.org>
Tested-by: Andrew Manley <andrew.manley@sealingtech.com>
Reviewed-by: Andrew Manley <andrew.manley@sealingtech.com>
Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de>
[wsa: fixed comment and commit message to properly describe the case]
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
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 <casey@schaufler-ca.com>
Cc: John Johansen <john.johansen@canonical.com>
Fixes: 223981db9baf ("AppArmor: Add selfattr hooks")
Signed-off-by: Mickaël Salaün <mic@digikod.net>
Reviewed-by: Paul Moore <paul@paul-moore.com>
[PM: description changes as discussed with MS]
Signed-off-by: Paul Moore <paul@paul-moore.com>
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 <casey@schaufler-ca.com>
Fixes: 762c934317e6 ("SELinux: Add selfattr hooks")
Suggested-by: Paul Moore <paul@paul-moore.com>
[PM: description changes as discussed in the thread]
Signed-off-by: Mickaël Salaün <mic@digikod.net>
Signed-off-by: Paul Moore <paul@paul-moore.com>
- 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
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Merge tag 'parisc-for-6.8-rc6' of 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"
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.
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Merge tag 'arm-fixes-6.8-2' of 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
...
- 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
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"A 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
- 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
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Merge tag 's390-6.8-3' of 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
or aren't considered appropriate for backporting.
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Merge tag 'mm-hotfixes-stable-2024-02-22-15-02' of 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
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).
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Merge tag 'for-6.8/dm-fixes-2' of 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
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
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Merge tag 'drm-fixes-2024-02-23' of git://anongit.freedesktop.org/drm/drm
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
...
- 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)
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Merge tag 'ata-6.8-rc6' of 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
- fix a use-case where no pins are mapped to GPIOs in
gpiochip_generic_config()
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Merge tag 'gpio-fixes-for-v6.8-rc6' of 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()
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 <zhangfei.gao@linaro.org>
Closes: https://lore.kernel.org/all/20240221110658.529-1-zhangfei.gao@linaro.org/
Tested-by: Zhangfei Gao <zhangfei.gao@linaro.org>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/0-v1-9455fc497a6f+3b4-iommu_sva_sharing_jgg@nvidia.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
- 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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Merge tag 'arm-smmu-fixes' of 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
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 <conor.dooley@microchip.com>
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Merge tag 'riscv-dt-fixes-for-v6.8-rc6' of 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 <conor.dooley@microchip.com>
* 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 <arnd@arndb.de>
A fix for a kconfig symbol whose help text has been unhelpful since its
introduction.
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
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Merge tag 'riscv-soc-drivers-fixes-for-v6.8-rc6' of 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 <conor.dooley@microchip.com>
* 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 <arnd@arndb.de>
A single fix for an inconsistency reported during CIP review by Pavel in
the newly added ax45mp cache driver.
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
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Merge tag 'riscv-cache-fixes-for-v6.8-rc6' of 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 <conor.dooley@microchip.com>
* 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 <arnd@arndb.de>
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 <sombat3960@gmail.com>
Fixes: 3ce4f9c3fbb3 ("net/ps3_gelic_net: Add gelic_descr structures")
Signed-off-by: Geoff Levand <geoff@infradead.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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 <vladimir.oltean@nxp.com>
Reviewed-by: Sean Anderson <sean.anderson@seco.com>
Acked-by: Madalin Bucur <madalin.bucur@oss.nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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 <nbd@nbd.name>
Link: https://msgid.link/20240221140535.16102-1-nbd@nbd.name
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
All the checks currently done in kvm_check_cpucfg can be realized with
early returns, so just do that to avoid extra cognitive burden related
to the return value handling.
While at it, clean up comments of _kvm_get_cpucfg_mask() and
kvm_check_cpucfg(), by removing comments that are merely restatement of
the code nearby, and paraphrasing the rest so they read more natural for
English speakers (that likely are not familiar with the actual Chinese-
influenced grammar).
No functional changes intended.
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Signed-off-by: WANG Xuerui <git@xen0n.name>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
