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Merge tag 'mm-hotfixes-stable-2025-05-17-09-41' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull hotfixes from Andrew Morton:
"Nine singleton hotfixes, all MM. Four are cc:stable"
* tag 'mm-hotfixes-stable-2025-05-17-09-41' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
mm: userfaultfd: correct dirty flags set for both present and swap pte
zsmalloc: don't underflow size calculation in zs_obj_write()
mm/page_alloc: fix race condition in unaccepted memory handling
mm/page_alloc: ensure try_alloc_pages() plays well with unaccepted memory
MAINTAINERS: add mm GUP section
mm/codetag: move tag retrieval back upfront in __free_pages()
mm/memory: fix mapcount / refcount sanity check for mTHP reuse
kernel/fork: only call untrack_pfn_clear() on VMAs duplicated for fork()
mm: hugetlb: fix incorrect fallback for subpool
dma-buf:
- Avoid memory reordering in fence handling
meson:
- Avoid integer overflow in mode-clock calculations
panel-mipi-dbi:
- Fix output with drm_client_setup_with_fourcc()
amdgpu:
- Fix CSA unmap
- Fix MALL size reporting on GFX11.5
- AUX fix
- DCN 3.5 fix
- VRR fix
- DP MST fix
- DML 2.1 fixes
- Silence DP AUX spam
- DCN 4.0.1 cursor fix
- VCN 4.0.5 fix
ivpu:
- Fix buffer size in debugfs code
gpuvm:
- Add timeslicing and allocation restriction for SVM
xe:
- Fix shrinker debugfs name
- Add HW workaround to Xe2
- Fix SVM when mixing GPU and CPU atomics
- Fix per client engine utilization due to active contexts
not saving timestamp with lite restore enabled.
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Merge tag 'drm-fixes-2025-05-17' of https://gitlab.freedesktop.org/drm/kernel
Pull drm fixes from Dave Airlie:
"Weekly drm fixes, I'll be honest and say I think this is larger than
I'd prefer at this point, the main blow out point is that xe has two
larger fixes.
One is a fix for active context utilisation reporting, it's for a
reported regression and will end up in stable anyways, so I don't see
any point in holding it up.
The second is a fix for mixed cpu/gpu atomics, which are currently
broken, but are also not something your average desktop/laptop user is
going to hit in normal operation, and having them fixed now is better
than threading them through stable later.
Other than those, it's mostly the usual, a bunch of amdgpu randoms and
a few other minor fixes.
dma-buf:
- Avoid memory reordering in fence handling
meson:
- Avoid integer overflow in mode-clock calculations
panel-mipi-dbi:
- Fix output with drm_client_setup_with_fourcc()
amdgpu:
- Fix CSA unmap
- Fix MALL size reporting on GFX11.5
- AUX fix
- DCN 3.5 fix
- VRR fix
- DP MST fix
- DML 2.1 fixes
- Silence DP AUX spam
- DCN 4.0.1 cursor fix
- VCN 4.0.5 fix
ivpu:
- Fix buffer size in debugfs code
gpuvm:
- Add timeslicing and allocation restriction for SVM
xe:
- Fix shrinker debugfs name
- Add HW workaround to Xe2
- Fix SVM when mixing GPU and CPU atomics
- Fix per client engine utilization due to active contexts not saving
timestamp with lite restore enabled"
* tag 'drm-fixes-2025-05-17' of https://gitlab.freedesktop.org/drm/kernel: (24 commits)
drm/xe: Add WA BB to capture active context utilization
drm/xe: Save the gt pointer in lrc and drop the tile
drm/xe: Save CTX_TIMESTAMP mmio value instead of LRC value
drm/xe: Timeslice GPU on atomic SVM fault
drm/gpusvm: Add timeslicing support to GPU SVM
drm/xe: Strict migration policy for atomic SVM faults
drm/gpusvm: Introduce devmem_only flag for allocation
drm/xe/xe2hpg: Add Wa_22021007897
drm/amdgpu: read back register after written for VCN v4.0.5
Revert "drm/amd/display: Hardware cursor changes color when switched to software cursor"
dma-buf: insert memory barrier before updating num_fences
drm/xe: Fix the gem shrinker name
drm/amd/display: Avoid flooding unnecessary info messages
drm/amd/display: Fix null check of pipe_ctx->plane_state for update_dchubp_dpp
drm/amd/display: check stream id dml21 wrapper to get plane_id
drm/amd/display: fix link_set_dpms_off multi-display MST corner case
drm/amd/display: Defer BW-optimization-blocked DRR adjustments
Revert: "drm/amd/display: Enable urgent latency adjustment on DCN35"
drm/amd/display: Correct the reply value when AUX write incomplete
drm/amdgpu: fix incorrect MALL size for GFX1151
...
Bugfixes:
- NFS: Fix a couple of missed handlers for the ENETDOWN and ENETUNREACH
transport errors.
- NFS: Handle Oopsable failure of nfs_get_lock_context in the unlock
path.
- NFSv4: Fix a race in nfs_local_open_fh().
- NFSv4/pNFS: Fix a couple of layout segment leaks in layoutreturn.
- NFSv4/pNFS Avoid sharing pNFS DS connections between net namespaces
since IP addresses are not guaranteed to refer to the same nodes.
- NFS: Don't flush file data while holding multiple directory locks in
nfs_rename().
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Merge tag 'nfs-for-6.15-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client bugfixes from Trond Myklebust:
- NFS: Fix a couple of missed handlers for the ENETDOWN and ENETUNREACH
transport errors
- NFS: Handle Oopsable failure of nfs_get_lock_context in the unlock
path
- NFSv4: Fix a race in nfs_local_open_fh()
- NFSv4/pNFS: Fix a couple of layout segment leaks in layoutreturn
- NFSv4/pNFS Avoid sharing pNFS DS connections between net namespaces
since IP addresses are not guaranteed to refer to the same nodes
- NFS: Don't flush file data while holding multiple directory locks in
nfs_rename()
* tag 'nfs-for-6.15-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
NFS: Avoid flushing data while holding directory locks in nfs_rename()
NFS/pnfs: Fix the error path in pnfs_layoutreturn_retry_later_locked()
NFSv4/pnfs: Reset the layout state after a layoutreturn
NFS/localio: Fix a race in nfs_local_open_fh()
nfs: nfs3acl: drop useless assignment in nfs3_get_acl()
nfs: direct: drop useless initializer in nfs_direct_write_completion()
nfs: move the nfs4_data_server_cache into struct nfs_net
nfs: don't share pNFS DS connections between net namespaces
nfs: handle failure of nfs_get_lock_context in unlock path
pNFS/flexfiles: Record the RPC errors in the I/O tracepoints
NFSv4/pnfs: Layoutreturn on close must handle fatal networking errors
NFSv4: Handle fatal ENETDOWN and ENETUNREACH errors
The Linux client assumes that all filehandles are non-volatile for
renames within the same directory (otherwise sillyrename cannot work).
However, the existence of the Linux 'subtree_check' export option has
meant that nfs_rename() has always assumed it needs to flush writes
before attempting to rename.
Since NFSv4 does allow the client to query whether or not the server
exhibits this behaviour, and since knfsd does actually set the
appropriate flag when 'subtree_check' is enabled on an export, it
should be OK to optimise away the write flushing behaviour in the cases
where it is clearly not needed.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Fix to zone block devices to make the maximum segment count match what
the block layer is capable of.
Signed-off-by: James E.J. Bottomley <James.Bottomley@HansenPartnership.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fix from James Bottomley:
"Fix to zone block devices to make the maximum segment count match what
the block layer is capable of"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: sd_zbc: block: Respect bio vector limits for REPORT ZONES buffer
A handful small fixes. The only significant change is the fix for
MIDI 2.0 UMP handling in ALSA sequencer, but as MIDI 2.0 stuff is
still new and rarely used, the impact should be pretty limited.
Other than that, quirks for USB-audio and a few cosmetic fixes and
changes in drivers that should be safe to apply.
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Merge tag 'sound-6.15-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A handful small fixes. The only significant change is the fix for MIDI
2.0 UMP handling in ALSA sequencer, but as MIDI 2.0 stuff is still new
and rarely used, the impact should be pretty limited.
Other than that, quirks for USB-audio and a few cosmetic fixes and
changes in drivers that should be safe to apply"
* tag 'sound-6.15-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: usb-audio: Add sample rate quirk for Microdia JP001 USB Camera
ALSA: es1968: Add error handling for snd_pcm_hw_constraint_pow2()
ALSA: sh: SND_AICA should depend on SH_DMA_API
ALSA: usb-audio: Add sample rate quirk for Audioengine D1
ALSA: ump: Fix a typo of snd_ump_stream_msg_device_info
ALSA/hda: intel-sdw-acpi: Correct sdw_intel_acpi_scan() function parameter
ALSA: seq: Fix delivery of UMP events to group ports
A few more fixes for the locking changes trickling in. Nothing
too alarming, I suspect those will continue for another release.
Other than that things are slowing down nicely.
Current release - fix to a fix:
- Bluetooth: hci_event: use key encryption size when its known
- tools: ynl-gen: allow multi-attr without nested-attributes again
Current release - regressions:
- locking fixes:
- lock lower level devices when updating features
- eth: bnxt_en: bring back rtnl_lock() in the bnxt_open() path
- devmem: fix panic when Netlink socket closes after module unload
Current release - new code bugs:
- eth: txgbe: fixes for FW communication on new AML devices
Previous releases - always broken:
- sched: flush gso_skb list too during ->change(), avoid potential
null-deref on reconfig
- wifi: mt76: disable NAPI on driver removal
- hv_netvsc: fix error "nvsp_rndis_pkt_complete error status: 2"
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.15-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from Bluetooth and wireless.
A few more fixes for the locking changes trickling in. Nothing too
alarming, I suspect those will continue for another release. Other
than that things are slowing down nicely.
Current release - fix to a fix:
- Bluetooth: hci_event: use key encryption size when its known
- tools: ynl-gen: allow multi-attr without nested-attributes again
Current release - regressions:
- locking fixes:
- lock lower level devices when updating features
- eth: bnxt_en: bring back rtnl_lock() in the bnxt_open() path
- devmem: fix panic when Netlink socket closes after module unload
Current release - new code bugs:
- eth: txgbe: fixes for FW communication on new AML devices
Previous releases - always broken:
- sched: flush gso_skb list too during ->change(), avoid potential
null-deref on reconfig
- wifi: mt76: disable NAPI on driver removal
- hv_netvsc: fix error 'nvsp_rndis_pkt_complete error status: 2'"
* tag 'net-6.15-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (44 commits)
net: devmem: fix kernel panic when netlink socket close after module unload
tsnep: fix timestamping with a stacked DSA driver
net/tls: fix kernel panic when alloc_page failed
bnxt_en: bring back rtnl_lock() in the bnxt_open() path
mlxsw: spectrum_router: Fix use-after-free when deleting GRE net devices
wifi: mac80211: Set n_channels after allocating struct cfg80211_scan_request
octeontx2-pf: Do not reallocate all ntuple filters
wifi: mt76: mt7925: fix missing hdr_trans_tlv command for broadcast wtbl
wifi: mt76: disable napi on driver removal
Drivers: hv: vmbus: Remove vmbus_sendpacket_pagebuffer()
hv_netvsc: Remove rmsg_pgcnt
hv_netvsc: Preserve contiguous PFN grouping in the page buffer array
hv_netvsc: Use vmbus_sendpacket_mpb_desc() to send VMBus messages
Drivers: hv: Allow vmbus_sendpacket_mpb_desc() to create multiple ranges
octeontx2-af: Fix CGX Receive counters
net: ethernet: mtk_eth_soc: fix typo for declaration MT7988 ESW capability
net: libwx: Fix FW mailbox unknown command
net: libwx: Fix FW mailbox reply timeout
net: txgbe: Fix to calculate EEPROM checksum for AML devices
octeontx2-pf: macsec: Fix incorrect max transmit size in TX secy
...
With the netvsc driver changed to use vmbus_sendpacket_mpb_desc()
instead of vmbus_sendpacket_pagebuffer(), the latter has no remaining
callers. Remove it.
Cc: <stable@vger.kernel.org> # 6.1.x
Signed-off-by: Michael Kelley <mhklinux@outlook.com>
Link: https://patch.msgid.link/20250513000604.1396-6-mhklinux@outlook.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
With some Infineon chips the timeouts in tpm_tis_send_data (both B and
C) can reach up to about 2250 ms.
Timeout C is retried since
commit de9e33df77 ("tpm, tpm_tis: Workaround failed command reception on Infineon devices")
Timeout B still needs to be extended.
The problem is most commonly encountered with context related operation
such as load context/save context. These are issued directly by the
kernel, and there is no retry logic for them.
When a filesystem is set up to use the TPM for unlocking the boot fails,
and restarting the userspace service is ineffective. This is likely
because ignoring a load context/save context result puts the real TPM
state and the TPM state expected by the kernel out of sync.
Chips known to be affected:
tpm_tis IFX1522:00: 2.0 TPM (device-id 0x1D, rev-id 54)
Description: SLB9672
Firmware Revision: 15.22
tpm_tis MSFT0101:00: 2.0 TPM (device-id 0x1B, rev-id 22)
Firmware Revision: 7.83
tpm_tis MSFT0101:00: 2.0 TPM (device-id 0x1A, rev-id 16)
Firmware Revision: 5.63
Link: https://lore.kernel.org/linux-integrity/Z5pI07m0Muapyu9w@kitsune.suse.cz/
Signed-off-by: Michal Suchanek <msuchanek@suse.de>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
tpm2_start_auth_session() does not mask TPM RC correctly from the callers:
[ 28.766528] tpm tpm0: A TPM error (2307) occurred start auth session
Process TPM RCs inside tpm2_start_auth_session(), and map them to POSIX
error codes.
Cc: stable@vger.kernel.org # v6.10+
Fixes: 699e3efd6c ("tpm: Add HMAC session start and end functions")
Reported-by: Herbert Xu <herbert@gondor.apana.org.au>
Closes: https://lore.kernel.org/linux-integrity/Z_NgdRHuTKP6JK--@gondor.apana.org.au/
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
Add timeslicing support to GPU SVM which will guarantee the GPU a
minimum execution time on piece of physical memory before migration back
to CPU. Intended to implement strict migration policies which require
memory to be in a certain placement for correct execution.
Required for shared CPU and GPU atomics on certain devices.
Fixes: 99624bdff8 ("drm/gpusvm: Add support for GPU Shared Virtual Memory")
Cc: stable@vger.kernel.org
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Link: https://lore.kernel.org/r/20250512135500.1405019-4-matthew.brost@intel.com
(cherry picked from commit 8dc1812b5b)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Mixing GPU and CPU atomics does not work unless a strict migration
policy of GPU atomics must be device memory. Enforce a policy of must be
in VRAM with a retry loop of 3 attempts, if retry loop fails abort
fault.
Removing always_migrate_to_vram modparam as we now have real migration
policy.
v2:
- Only retry migration on atomics
- Drop alway migrate modparam
v3:
- Only set vram_only on DGFX (Himal)
- Bail on get_pages failure if vram_only and retry count exceeded (Himal)
- s/vram_only/devmem_only
- Update xe_svm_range_is_valid to accept devmem_only argument
v4:
- Fix logic bug get_pages failure
v5:
- Fix commit message (Himal)
- Mention removing always_migrate_to_vram in commit message (Lucas)
- Fix xe_svm_range_is_valid to check for devmem pages
- Bail on devmem_only && !migrate_devmem (Thomas)
v6:
- Add READ_ONCE barriers for opportunistic checks (Thomas)
- Pair READ_ONCE with WRITE_ONCE (Thomas)
v7:
- Adjust comments (Thomas)
Fixes: 2f118c9491 ("drm/xe: Add SVM VRAM migration")
Cc: stable@vger.kernel.org
Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Acked-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Link: https://lore.kernel.org/r/20250512135500.1405019-3-matthew.brost@intel.com
(cherry picked from commit a9ac0fa455)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
This commit adds a new flag, devmem_only, to the drm_gpusvm structure. The
purpose of this flag is to ensure that the get_pages function allocates
memory exclusively from the device's memory. If the allocation from
device memory fails, the function will return an -EFAULT error.
Required for shared CPU and GPU atomics on certain devices.
v3:
- s/vram_only/devmem_only/
Fixes: 99624bdff8 ("drm/gpusvm: Add support for GPU Shared Virtual Memory")
Cc: stable@vger.kernel.org
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://lore.kernel.org/r/20250512135500.1405019-2-matthew.brost@intel.com
(cherry picked from commit 8a9b978ebd)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
The KSZ9477 PHY driver contained workarounds for broken EEE capability
advertisements by manually masking supported EEE modes and forcibly
disabling EEE if MICREL_NO_EEE was set.
With proper MAC-side EEE handling implemented via phylink, these quirks
are no longer necessary. Remove MICREL_NO_EEE handling and the use of
ksz9477_get_features().
This simplifies the PHY driver and avoids duplicated EEE management logic.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Cc: stable@vger.kernel.org # v6.14+
Link: https://patch.msgid.link/20250504081434.424489-3-o.rempel@pengutronix.de
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
The REPORT ZONES buffer size is currently limited by the HBA's maximum
segment count to ensure the buffer can be mapped. However, the block
layer further limits the number of iovec entries to 1024 when allocating
a bio.
To avoid allocation of buffers too large to be mapped, further restrict
the maximum buffer size to BIO_MAX_INLINE_VECS.
Replace the UIO_MAXIOV symbolic name with the more contextually
appropriate BIO_MAX_INLINE_VECS.
Fixes: b091ac6168 ("sd_zbc: Fix report zones buffer allocation")
Cc: stable@vger.kernel.org
Signed-off-by: Steve Siwinski <ssiwinski@atto.com>
Link: https://lore.kernel.org/r/20250508200122.243129-1-ssiwinski@atto.com
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Commit 51ff4d7486 ("mm: avoid extra mem_alloc_profiling_enabled()
checks") introduces a possible use-after-free scenario, when page
is non-compound, page[0] could be released by other thread right
after put_page_testzero failed in current thread, pgalloc_tag_sub_pages
afterwards would manipulate an invalid page for accounting remaining
pages:
[timeline] [thread1] [thread2]
| alloc_page non-compound
V
| get_page, rf counter inc
V
| in ___free_pages
| put_page_testzero fails
V
| put_page, page released
V
| in ___free_pages,
| pgalloc_tag_sub_pages
| manipulate an invalid page
V
Restore __free_pages() to its state before, retrieve alloc tag
beforehand.
Link: https://lkml.kernel.org/r/20250505193034.91682-1-00107082@163.com
Fixes: 51ff4d7486 ("mm: avoid extra mem_alloc_profiling_enabled() checks")
Signed-off-by: David Wang <00107082@163.com>
Acked-by: Suren Baghdasaryan <surenb@google.com>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Brendan Jackman <jackmanb@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Shakeel Butt <shakeel.butt@linux.dev>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Merge tag 'its-for-linus-20250509' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 ITS mitigation from Dave Hansen:
"Mitigate Indirect Target Selection (ITS) issue.
I'd describe this one as a good old CPU bug where the behavior is
_obviously_ wrong, but since it just results in bad predictions it
wasn't wrong enough to notice. Well, the researchers noticed and also
realized that thus bug undermined a bunch of existing indirect branch
mitigations.
Thus the unusually wide impact on this one. Details:
ITS is a bug in some Intel CPUs that affects indirect branches
including RETs in the first half of a cacheline. Due to ITS such
branches may get wrongly predicted to a target of (direct or indirect)
branch that is located in the second half of a cacheline. Researchers
at VUSec found this behavior and reported to Intel.
Affected processors:
- Cascade Lake, Cooper Lake, Whiskey Lake V, Coffee Lake R, Comet
Lake, Ice Lake, Tiger Lake and Rocket Lake.
Scope of impact:
- Guest/host isolation:
When eIBRS is used for guest/host isolation, the indirect branches
in the VMM may still be predicted with targets corresponding to
direct branches in the guest.
- Intra-mode using cBPF:
cBPF can be used to poison the branch history to exploit ITS.
Realigning the indirect branches and RETs mitigates this attack
vector.
- User/kernel:
With eIBRS enabled user/kernel isolation is *not* impacted by ITS.
- Indirect Branch Prediction Barrier (IBPB):
Due to this bug indirect branches may be predicted with targets
corresponding to direct branches which were executed prior to IBPB.
This will be fixed in the microcode.
Mitigation:
As indirect branches in the first half of cacheline are affected, the
mitigation is to replace those indirect branches with a call to thunk that
is aligned to the second half of the cacheline.
RETs that take prediction from RSB are not affected, but they may be
affected by RSB-underflow condition. So, RETs in the first half of
cacheline are also patched to a return thunk that executes the RET aligned
to second half of cacheline"
* tag 'its-for-linus-20250509' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
selftest/x86/bugs: Add selftests for ITS
x86/its: FineIBT-paranoid vs ITS
x86/its: Use dynamic thunks for indirect branches
x86/ibt: Keep IBT disabled during alternative patching
mm/execmem: Unify early execmem_cache behaviour
x86/its: Align RETs in BHB clear sequence to avoid thunking
x86/its: Add support for RSB stuffing mitigation
x86/its: Add "vmexit" option to skip mitigation on some CPUs
x86/its: Enable Indirect Target Selection mitigation
x86/its: Add support for ITS-safe return thunk
x86/its: Add support for ITS-safe indirect thunk
x86/its: Enumerate Indirect Target Selection (ITS) bug
Documentation: x86/bugs/its: Add ITS documentation
- Fix time keeping bugs in CLOCK_MONOTONIC_COARSE clocks
- Work around absolute relocations into vDSO code that
GCC erroneously emits in certain arm64 build environments
- Fix a false positive lockdep warning in the i8253 clocksource
driver
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'timers-urgent-2025-05-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc timers fixes from Ingo Molnar:
- Fix time keeping bugs in CLOCK_MONOTONIC_COARSE clocks
- Work around absolute relocations into vDSO code that GCC erroneously
emits in certain arm64 build environments
- Fix a false positive lockdep warning in the i8253 clocksource driver
* tag 'timers-urgent-2025-05-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clocksource/i8253: Use raw_spinlock_irqsave() in clockevent_i8253_disable()
arm64: vdso: Work around invalid absolute relocations from GCC
timekeeping: Prevent coarse clocks going backwards
s/devince/device/
It's used only internally, so no any behavior changes.
Fixes: 37e0e14128 ("ALSA: ump: Support UMP Endpoint and Function Block parsing")
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://patch.msgid.link/20250511141147.10246-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
The acpi_handle should be just a handle and not a pointer in
sdw_intel_acpi_scan() parameter list.
It is called with 'acpi_handle handle' as parameter and it is passing it to
acpi_walk_namespace, which also expects acpi_handle and not acpi_handle*
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Liam Girdwood <liam.r.girdwood@intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://patch.msgid.link/20250508181207.22113-1-peter.ujfalusi@linux.intel.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
or aren't considered necessary for -stable kernels.
About half are for MM. Five OCFS2 fixes and a few MAINTAINERS updates.
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Merge tag 'mm-hotfixes-stable-2025-05-10-14-23' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc hotfixes from Andrew Morton:
"22 hotfixes. 13 are cc:stable and the remainder address post-6.14
issues or aren't considered necessary for -stable kernels.
About half are for MM. Five OCFS2 fixes and a few MAINTAINERS updates"
* tag 'mm-hotfixes-stable-2025-05-10-14-23' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (22 commits)
mm: fix folio_pte_batch() on XEN PV
nilfs2: fix deadlock warnings caused by lock dependency in init_nilfs()
mm/hugetlb: copy the CMA flag when demoting
mm, swap: fix false warning for large allocation with !THP_SWAP
selftests/mm: fix a build failure on powerpc
selftests/mm: fix build break when compiling pkey_util.c
mm: vmalloc: support more granular vrealloc() sizing
tools/testing/selftests: fix guard region test tmpfs assumption
ocfs2: stop quota recovery before disabling quotas
ocfs2: implement handshaking with ocfs2 recovery thread
ocfs2: switch osb->disable_recovery to enum
mailmap: map Uwe's BayLibre addresses to a single one
MAINTAINERS: add mm THP section
mm/userfaultfd: fix uninitialized output field for -EAGAIN race
selftests/mm: compaction_test: support platform with huge mount of memory
MAINTAINERS: add core mm section
ocfs2: fix panic in failed foilio allocation
mm/huge_memory: fix dereferencing invalid pmd migration entry
MAINTAINERS: add reverse mapping section
x86: disable image size check for test builds
...
Here are a bunch of small driver fixes (mostly all IIO) for 6.15-rc6.
Included in here are:
- loads of tiny IIO driver fixes for reported issues
- hyperv driver fix for a much-reported and worked on sysfs ring
buffer creation bug
All of these have been in linux-next for over a week (the IIO ones for
many weeks now), with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc/IIO driver fixes from Greg KH:
"Here are a bunch of small driver fixes (mostly all IIO) for 6.15-rc6.
Included in here are:
- loads of tiny IIO driver fixes for reported issues
- hyperv driver fix for a much-reported and worked on sysfs ring
buffer creation bug
All of these have been in linux-next for over a week (the IIO ones for
many weeks now), with no reported issues"
* tag 'char-misc-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (30 commits)
Drivers: hv: Make the sysfs node size for the ring buffer dynamic
uio_hv_generic: Fix sysfs creation path for ring buffer
iio: adis16201: Correct inclinometer channel resolution
iio: adc: ad7606: fix serial register access
iio: pressure: mprls0025pa: use aligned_s64 for timestamp
iio: imu: adis16550: align buffers for timestamp
staging: iio: adc: ad7816: Correct conditional logic for store mode
iio: adc: ad7266: Fix potential timestamp alignment issue.
iio: adc: ad7768-1: Fix insufficient alignment of timestamp.
iio: adc: dln2: Use aligned_s64 for timestamp
iio: accel: adxl355: Make timestamp 64-bit aligned using aligned_s64
iio: temp: maxim-thermocouple: Fix potential lack of DMA safe buffer.
iio: chemical: pms7003: use aligned_s64 for timestamp
iio: chemical: sps30: use aligned_s64 for timestamp
iio: imu: inv_mpu6050: align buffer for timestamp
iio: imu: st_lsm6dsx: Fix wakeup source leaks on device unbind
iio: adc: qcom-spmi-iadc: Fix wakeup source leaks on device unbind
iio: accel: fxls8962af: Fix wakeup source leaks on device unbind
iio: adc: ad7380: fix event threshold shift
iio: hid-sensor-prox: Fix incorrect OFFSET calculation
...
ITS mitigation moves the unsafe indirect branches to a safe thunk. This
could degrade the prediction accuracy as the source address of indirect
branches becomes same for different execution paths.
To improve the predictions, and hence the performance, assign a separate
thunk for each indirect callsite. This is also a defense-in-depth measure
to avoid indirect branches aliasing with each other.
As an example, 5000 dynamic thunks would utilize around 16 bits of the
address space, thereby gaining entropy. For a BTB that uses
32 bits for indexing, dynamic thunks could provide better prediction
accuracy over fixed thunks.
Have ITS thunks be variable sized and use EXECMEM_MODULE_TEXT such that
they are both more flexible (got to extend them later) and live in 2M TLBs,
just like kernel code, avoiding undue TLB pressure.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Early kernel memory is RWX, only at the end of early boot (before SMP)
do we mark things ROX. Have execmem_cache mirror this behaviour for
early users.
This avoids having to remember what code is execmem and what is not --
we can poke everything with impunity ;-) Also performance for not
having to do endless text_poke_mm switches.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Indirect Target Selection (ITS) is a bug in some pre-ADL Intel CPUs with
eIBRS. It affects prediction of indirect branch and RETs in the
lower half of cacheline. Due to ITS such branches may get wrongly predicted
to a target of (direct or indirect) branch that is located in the upper
half of the cacheline.
Scope of impact
===============
Guest/host isolation
--------------------
When eIBRS is used for guest/host isolation, the indirect branches in the
VMM may still be predicted with targets corresponding to branches in the
guest.
Intra-mode
----------
cBPF or other native gadgets can be used for intra-mode training and
disclosure using ITS.
User/kernel isolation
---------------------
When eIBRS is enabled user/kernel isolation is not impacted.
Indirect Branch Prediction Barrier (IBPB)
-----------------------------------------
After an IBPB, indirect branches may be predicted with targets
corresponding to direct branches which were executed prior to IBPB. This is
mitigated by a microcode update.
Add cmdline parameter indirect_target_selection=off|on|force to control the
mitigation to relocate the affected branches to an ITS-safe thunk i.e.
located in the upper half of cacheline. Also add the sysfs reporting.
When retpoline mitigation is deployed, ITS safe-thunks are not needed,
because retpoline sequence is already ITS-safe. Similarly, when call depth
tracking (CDT) mitigation is deployed (retbleed=stuff), ITS safe return
thunk is not used, as CDT prevents RSB-underflow.
To not overcomplicate things, ITS mitigation is not supported with
spectre-v2 lfence;jmp mitigation. Moreover, it is less practical to deploy
lfence;jmp mitigation on ITS affected parts anyways.
Signed-off-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Reviewed-by: Josh Poimboeuf <jpoimboe@kernel.org>
Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com>
drm:
- Fix overflow when generating wedged event
ttm:
- Fix documentation
- Remove struct ttm_backup
panel:
- simple: Fix timings for AUO G101EVN010
amdgpu:
- DC FP fixes
- Freesync fix
- DMUB AUX fixes
- VCN fix
- Hibernation fixes
- HDP fixes
xe:
- Prevent PF queue overflow
- Hold all forcewake during mocs test
- Remove GSC flush on reset path
- Fix forcewake put on error path
- Fix runtime warning when building without svm
i915:
- Fix oops on resume after disconnecting DP MST sinks during suspend
- Fix SPLC num_waiters refcounting
ivpu:
- Increase timeouts
- Fix deadlock in cmdq ioctl
- Unlock mutices in correct order
v3d:
- Avoid memory leak in job handling
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Merge tag 'drm-fixes-2025-05-10' of https://gitlab.freedesktop.org/drm/kernel
Pull drm fixes from Dave Airlie:
"Weekly drm fixes, bit bigger than last week, but overall amdgpu/xe
with some ivpu bits and a random few fixes, and dropping the
ttm_backup struct which wrapped struct file and was recently
frowned at.
drm:
- Fix overflow when generating wedged event
ttm:
- Fix documentation
- Remove struct ttm_backup
panel:
- simple: Fix timings for AUO G101EVN010
amdgpu:
- DC FP fixes
- Freesync fix
- DMUB AUX fixes
- VCN fix
- Hibernation fixes
- HDP fixes
xe:
- Prevent PF queue overflow
- Hold all forcewake during mocs test
- Remove GSC flush on reset path
- Fix forcewake put on error path
- Fix runtime warning when building without svm
i915:
- Fix oops on resume after disconnecting DP MST sinks during suspend
- Fix SPLC num_waiters refcounting
ivpu:
- Increase timeouts
- Fix deadlock in cmdq ioctl
- Unlock mutices in correct order
v3d:
- Avoid memory leak in job handling"
* tag 'drm-fixes-2025-05-10' of https://gitlab.freedesktop.org/drm/kernel: (32 commits)
drm/i915/dp: Fix determining SST/MST mode during MTP TU state computation
drm/xe: Add config control for svm flush work
drm/xe: Release force wake first then runtime power
drm/xe/gsc: do not flush the GSC worker from the reset path
drm/xe/tests/mocs: Hold XE_FORCEWAKE_ALL for LNCF regs
drm/xe: Add page queue multiplier
drm/amdgpu/hdp7: use memcfg register to post the write for HDP flush
drm/amdgpu/hdp6: use memcfg register to post the write for HDP flush
drm/amdgpu/hdp5.2: use memcfg register to post the write for HDP flush
drm/amdgpu/hdp5: use memcfg register to post the write for HDP flush
drm/amdgpu/hdp4: use memcfg register to post the write for HDP flush
drm/amdgpu: fix pm notifier handling
Revert "drm/amd: Stop evicting resources on APUs in suspend"
drm/amdgpu/vcn: using separate VCN1_AON_SOC offset
drm/amd/display: Fix wrong handling for AUX_DEFER case
drm/amd/display: Copy AUX read reply data whenever length > 0
drm/amd/display: Remove incorrect checking in dmub aux handler
drm/amd/display: Fix the checking condition in dmub aux handling
drm/amd/display: Shift DMUB AUX reply command if necessary
drm/amd/display: Call FP Protect Before Mode Programming/Mode Support
...
Previously, when reducing a qdisc's limit via the ->change() operation, only
the main skb queue was trimmed, potentially leaving packets in the gso_skb
list. This could result in NULL pointer dereference when we only check
sch->limit against sch->q.qlen.
This patch introduces a new helper, qdisc_dequeue_internal(), which ensures
both the gso_skb list and the main queue are properly flushed when trimming
excess packets. All relevant qdiscs (codel, fq, fq_codel, fq_pie, hhf, pie)
are updated to use this helper in their ->change() routines.
Fixes: 76e3cc126b ("codel: Controlled Delay AQM")
Fixes: 4b549a2ef4 ("fq_codel: Fair Queue Codel AQM")
Fixes: afe4fd0624 ("pkt_sched: fq: Fair Queue packet scheduler")
Fixes: ec97ecf1eb ("net: sched: add Flow Queue PIE packet scheduler")
Fixes: 10239edf86 ("net-qdisc-hhf: Heavy-Hitter Filter (HHF) qdisc")
Fixes: d4b36210c2 ("net: pkt_sched: PIE AQM scheme")
Reported-by: Will <willsroot@protonmail.com>
Reported-by: Savy <savy@syst3mfailure.io>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
- MGMT: Fix MGMT_OP_ADD_DEVICE invalid device flags
- hci_event: Fix not using key encryption size when its known
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Merge tag 'for-net-2025-05-08' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth
Luiz Augusto von Dentz says:
====================
bluetooth pull request for net:
- MGMT: Fix MGMT_OP_ADD_DEVICE invalid device flags
- hci_event: Fix not using key encryption size when its known
* tag 'for-net-2025-05-08' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth:
Bluetooth: hci_event: Fix not using key encryption size when its known
Bluetooth: MGMT: Fix MGMT_OP_ADD_DEVICE invalid device flags
====================
Link: https://patch.msgid.link/20250508150927.385675-1-luiz.dentz@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
We have still a comple of regressions open due to the recent
drivers locking refactor. The patches are in-flight, but not
ready yet.
Current release - regressions:
- core: lock netdevices during dev_shutdown
- sch_htb: make htb_deactivate() idempotent
- eth: virtio-net: don't re-enable refill work too early
Current release - new code bugs:
- eth: icssg-prueth: fix kernel panic during concurrent Tx queue access
Previous releases - regressions:
- gre: fix again IPv6 link-local address generation.
- eth: b53: fix learning on VLAN unaware bridges
Previous releases - always broken:
- wifi: fix out-of-bounds access during multi-link element defragmentation
- can:
- initialize spin lock on device probe
- fix order of unregistration calls
- openvswitch: fix unsafe attribute parsing in output_userspace()
- eth: virtio-net: fix total qstat values
- eth: mtk_eth_soc: reset all TX queues on DMA free
- eth: fbnic: firmware IPC mailbox fixes
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from CAN, WiFi and netfilter.
We have still a comple of regressions open due to the recent
drivers locking refactor. The patches are in-flight, but not
ready yet.
Current release - regressions:
- core: lock netdevices during dev_shutdown
- sch_htb: make htb_deactivate() idempotent
- eth: virtio-net: don't re-enable refill work too early
Current release - new code bugs:
- eth: icssg-prueth: fix kernel panic during concurrent Tx queue
access
Previous releases - regressions:
- gre: fix again IPv6 link-local address generation.
- eth: b53: fix learning on VLAN unaware bridges
Previous releases - always broken:
- wifi: fix out-of-bounds access during multi-link element
defragmentation
- can:
- initialize spin lock on device probe
- fix order of unregistration calls
- openvswitch: fix unsafe attribute parsing in output_userspace()
- eth:
- virtio-net: fix total qstat values
- mtk_eth_soc: reset all TX queues on DMA free
- fbnic: firmware IPC mailbox fixes"
* tag 'net-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (55 commits)
virtio-net: fix total qstat values
net: export a helper for adding up queue stats
fbnic: Do not allow mailbox to toggle to ready outside fbnic_mbx_poll_tx_ready
fbnic: Pull fbnic_fw_xmit_cap_msg use out of interrupt context
fbnic: Improve responsiveness of fbnic_mbx_poll_tx_ready
fbnic: Cleanup handling of completions
fbnic: Actually flush_tx instead of stalling out
fbnic: Add additional handling of IRQs
fbnic: Gate AXI read/write enabling on FW mailbox
fbnic: Fix initialization of mailbox descriptor rings
net: dsa: b53: do not set learning and unicast/multicast on up
net: dsa: b53: fix learning on VLAN unaware bridges
net: dsa: b53: fix toggling vlan_filtering
net: dsa: b53: do not program vlans when vlan filtering is off
net: dsa: b53: do not allow to configure VLAN 0
net: dsa: b53: always rejoin default untagged VLAN on bridge leave
net: dsa: b53: fix VLAN ID for untagged vlan on bridge leave
net: dsa: b53: fix flushing old pvid VLAN on pvid change
net: dsa: b53: fix clearing PVID of a port
net: dsa: b53: keep CPU port always tagged again
...
This fixes the regression introduced by 50c1241e6a8a ("Bluetooth: l2cap:
Check encryption key size on incoming connection") introduced a check for
l2cap_check_enc_key_size which checks for hcon->enc_key_size which may
not be initialized if HCI_OP_READ_ENC_KEY_SIZE is still pending.
If the key encryption size is known, due previously reading it using
HCI_OP_READ_ENC_KEY_SIZE, then store it as part of link_key/smp_ltk
structures so the next time the encryption is changed their values are
used as conn->enc_key_size thus avoiding the racing against
HCI_OP_READ_ENC_KEY_SIZE.
Now that the enc_size is stored as part of key the information the code
then attempts to check that there is no downgrade of security if
HCI_OP_READ_ENC_KEY_SIZE returns a value smaller than what has been
previously stored.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=220061
Link: https://bugzilla.kernel.org/show_bug.cgi?id=220063
Fixes: 522e9ed157 ("Bluetooth: l2cap: Check encryption key size on incoming connection")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Older drivers and drivers with lower queue counts often have a static
array of queues, rather than allocating structs for each queue on demand.
Add a helper for adding up qstats from a queue range. Expectation is
that driver will pass a queue range [netdev->real_num_*x_queues, MAX).
It was tempting to always use num_*x_queues as the end, but virtio
seems to clamp its queue count after allocating the netdev. And this
way we can trivaly reuse the helper for [0, real_..).
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Link: https://patch.msgid.link/20250507003221.823267-2-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Introduce struct vm_struct::requested_size so that the requested
(re)allocation size is retained separately from the allocated area size.
This means that KASAN will correctly poison the correct spans of requested
bytes. This also means we can support growing the usable portion of an
allocation that can already be supported by the existing area's existing
allocation.
Link: https://lkml.kernel.org/r/20250426001105.it.679-kees@kernel.org
Fixes: 3ddc2fefe6 ("mm: vmalloc: implement vrealloc()")
Signed-off-by: Kees Cook <kees@kernel.org>
Reported-by: Erhard Furtner <erhard_f@mailbox.org>
Closes: https://lore.kernel.org/all/20250408192503.6149a816@outsider.home/
Reviewed-by: Danilo Krummrich <dakr@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: "Uladzislau Rezki (Sony)" <urezki@gmail.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
When switching network namespaces with the bpf_redirect_peer helper, the
skb->mark and skb->tstamp fields are not zeroed out like they can be on
a typical netns switch. This patch clarifies that in the helper
description.
Signed-off-by: Paul Chaignon <paul.chaignon@gmail.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://patch.msgid.link/ccc86af26d43c5c0b776bcba2601b7479c0d46d0.1746460653.git.paul.chaignon@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* iwlwifi: add two missing device entries
* cfg80211: fix a potential out-of-bounds access
* mac80211: fix format of TID to link mapping action frames
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Merge tag 'wireless-2025-05-06' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless
Johannes Berg says:
====================
Couple of fixes:
* iwlwifi: add two missing device entries
* cfg80211: fix a potential out-of-bounds access
* mac80211: fix format of TID to link mapping action frames
* tag 'wireless-2025-05-06' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless:
wifi: iwlwifi: add support for Killer on MTL
wifi: mac80211: fix the type of status_code for negotiated TID to Link Mapping
wifi: cfg80211: fix out-of-bounds access during multi-link element defragmentation
====================
Link: https://patch.msgid.link/20250506203506.158818-3-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Accidentally spotted while trying to understand what else needs
to be renamed to netif_ prefix. Most of the calls to dev_set_promiscuity
are adjacent to dev_set_allmulti or dev_disable_lro so it should
be safe to add the lock. Note that new netif_set_promiscuity is
currently unused, the locked paths call __dev_set_promiscuity directly.
Fixes: ad7c7b2172 ("net: hold netdev instance lock during sysfs operations")
Signed-off-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://patch.msgid.link/20250506011919.2882313-1-sdf@fomichev.me
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The status code should be type of __le16.
Fixes: 83e897a961 ("wifi: ieee80211: add definitions for negotiated TID to Link map")
Fixes: 8f500fbc6c ("wifi: mac80211: process and save negotiated TID to Link mapping request")
Signed-off-by: Michael-CY Lee <michael-cy.lee@mediatek.com>
Link: https://patch.msgid.link/20250505081946.3927214-1-michael-cy.lee@mediatek.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Merge tag 'for-6.15-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
- revert device path canonicalization, this does not work as intended
with namespaces and is not reliable in all setups
- fix crash in scrub when checksum tree is not valid, e.g. when mounted
with rescue=ignoredatacsums
- fix crash when tracepoint btrfs_prelim_ref_insert is enabled
- other minor fixups:
- open code folio_index(), meant to be used in MM code
- use matching type for sizeof in compression allocation
* tag 'for-6.15-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: open code folio_index() in btree_clear_folio_dirty_tag()
Revert "btrfs: canonicalize the device path before adding it"
btrfs: avoid NULL pointer dereference if no valid csum tree
btrfs: handle empty eb->folios in num_extent_folios()
btrfs: correct the order of prelim_ref arguments in btrfs__prelim_ref
btrfs: compression: adjust cb->compressed_folios allocation type
The abstraction was previously added to support separate
ttm_backup implementations.
However with the current implementation casting from a
struct file to a struct ttm_backup, we run into trouble since
struct file may have randomized the layout and gcc complains.
Remove the struct ttm_backup abstraction
Cc: dri-devel@lists.freedesktop.org
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Reported-by: Kees Cook <kees@kernel.org>
Closes: https://lore.kernel.org/dri-devel/9c8dbbafdaf9f3f089da2cde5a772d69579b3795.camel@linux.intel.com/T/#mb153ab9216cb813b92bdeb36f391ad4808c2ba29
Suggested-by: Christian König <christian.koenig@amd.com>
Fixes: 70d645deac ("drm/ttm: Add helpers for shrinking")
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://lore.kernel.org/r/20250502130014.3156-1-thomas.hellstrom@linux.intel.com
The docs were not properly updated from an earlier version of the code.
Fixes: e7b5d23e5d ("drm/ttm: Provide a shmem backup implementation")
Cc: Christian König <christian.koenig@amd.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://lore.kernel.org/r/20250502130101.3185-1-thomas.hellstrom@linux.intel.com
A bunch of small fixes. Mostly driver specific.
- An OOB access fix in core UMP rawmidi conversion code
- Fix for ASoC DAPM hw_params widget sequence
- Make retry of usb_set_interface() errors for flaky devices
- Fix redundant USB MIDI name strings
- Quirks for various HP and ASUS models with HD-audio, and
Jabra Evolve 65 USB-audio
- Cirrus Kunit test fixes
- Various fixes for ASoC Intel, stm32, renesas, imx-card, and
simple-card
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Merge tag 'sound-6.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A bunch of small fixes. Mostly driver specific.
- An OOB access fix in core UMP rawmidi conversion code
- Fix for ASoC DAPM hw_params widget sequence
- Make retry of usb_set_interface() errors for flaky devices
- Fix redundant USB MIDI name strings
- Quirks for various HP and ASUS models with HD-audio, and
Jabra Evolve 65 USB-audio
- Cirrus Kunit test fixes
- Various fixes for ASoC Intel, stm32, renesas, imx-card, and
simple-card"
* tag 'sound-6.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (30 commits)
ASoC: amd: ps: fix for irq handler return status
ASoC: simple-card-utils: Fix pointer check in graph_util_parse_link_direction
ASoC: intel/sdw_utils: Add volume limit to cs35l56 speakers
ASoC: intel/sdw_utils: Add volume limit to cs42l43 speakers
ASoC: stm32: sai: add a check on minimal kernel frequency
ASoC: stm32: sai: skip useless iterations on kernel rate loop
ALSA: hda/realtek - Add more HP laptops which need mute led fixup
ALSA: hda/realtek: Fix built-mic regression on other ASUS models
ASoC: Intel: catpt: avoid type mismatch in dev_dbg() format
ALSA: usb-audio: Fix duplicated name in MIDI substream names
ALSA: ump: Fix buffer overflow at UMP SysEx message conversion
ALSA: usb-audio: Add second USB ID for Jabra Evolve 65 headset
ALSA: hda/realtek: Add quirk for HP Spectre x360 15-df1xxx
ALSA: hda: Apply volume control on speaker+lineout for HP EliteStudio AIO
ASoC: Intel: bytcr_rt5640: Add DMI quirk for Acer Aspire SW3-013
ASoC: amd: acp: Fix devm_snd_soc_register_card(acp-pdm-mach) failure
ASoC: amd: acp: Fix NULL pointer deref in acp_i2s_set_tdm_slot
ASoC: amd: acp: Fix NULL pointer deref on acp resume path
ASoC: renesas: rz-ssi: Use NOIRQ_SYSTEM_SLEEP_PM_OPS()
ASoC: soc-acpi-intel-ptl-match: add empty item to ptl_cs42l43_l3[]
...
- Fix a recent regression causing systems where frequency tables are
used by cpufreq to have issues with setting frequency limits (Rafael
Wysocki).
- Fix a recent regressions causing frequency boost settings to become
out-of-sync if platform firmware updates the registers associated
with frequency boost during system resume (Viresh Kumar).
- Fix a recent regression causing resume failures to occur in the
Intel Soundwire driver if the device handled by it is in runtime
suspend before a system-wide suspend (Rafael Wysocki).
- Fix an unchecked MSR aceess in the intel_pstate driver occurring when
CPUID indicates no turbo, but the driver attempts to enable turbo
frequencies due to a misleading value read from an MSR (Srinivas
Pandruvada).
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Merge tag 'pm-6.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix three recent regressions, two in cpufreq and one in the
Intel Soundwire driver, and an unchecked MSR access in the
intel_pstate driver:
- Fix a recent regression causing systems where frequency tables are
used by cpufreq to have issues with setting frequency limits
(Rafael Wysocki)
- Fix a recent regressions causing frequency boost settings to become
out-of-sync if platform firmware updates the registers associated
with frequency boost during system resume (Viresh Kumar)
- Fix a recent regression causing resume failures to occur in the
Intel Soundwire driver if the device handled by it is in runtime
suspend before a system-wide suspend (Rafael Wysocki)
- Fix an unchecked MSR aceess in the intel_pstate driver occurring
when CPUID indicates no turbo, but the driver attempts to enable
turbo frequencies due to a misleading value read from an MSR
(Srinivas Pandruvada)"
* tag 'pm-6.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: intel_pstate: Unchecked MSR aceess in legacy mode
soundwire: intel_auxdevice: Fix system suspend/resume handling
cpufreq: Fix setting policy limits when frequency tables are used
cpufreq: ACPI: Re-sync CPU boost state on system resume
Merge cpufreq fixes for 6.15-rc5:
- Fix a recent regression causing systems where frequency tables are
used by cpufreq to have issues with setting frequency limits (Rafael
Wysocki).
- Fix a recent regressions causing frequency boost settings to become
out-of-sync if platform firmware updates the registers associated
with them during system resume (Viresh Kumar).
- Fix an unchecked MSR aceess in the intel_pstate driver occurring when
CPUID indicates no turbo, but the driver attempts to enable turbo
frequencies due to a misleading value read from an MSR (Srinivas
Pandruvada).
* pm-cpufreq:
cpufreq: intel_pstate: Unchecked MSR aceess in legacy mode
cpufreq: Fix setting policy limits when frequency tables are used
cpufreq: ACPI: Re-sync CPU boost state on system resume
On regular bootup, devices get registered to VMBus first, so when
uio_hv_generic driver for a particular device type is probed,
the device is already initialized and added, so sysfs creation in
hv_uio_probe() works fine. However, when the device is removed
and brought back, the channel gets rescinded and the device again gets
registered to VMBus. However this time, the uio_hv_generic driver is
already registered to probe for that device and in this case sysfs
creation is tried before the device's kobject gets initialized
completely.
Fix this by moving the core logic of sysfs creation of ring buffer,
from uio_hv_generic to HyperV's VMBus driver, where the rest of the
sysfs attributes for the channels are defined. While doing that, make
use of attribute groups and macros, instead of creating sysfs
directly, to ensure better error handling and code flow.
Problematic path:
vmbus_process_offer (A new offer comes for the VMBus device)
vmbus_add_channel_work
vmbus_device_register
|-> device_register
| |...
| |-> hv_uio_probe
| |...
| |-> sysfs_create_bin_file (leads to a warning as
| the primary channel's kobject, which is used to
| create the sysfs file, is not yet initialized)
|-> kset_create_and_add
|-> vmbus_add_channel_kobj (initialization of the primary
channel's kobject happens later)
Above code flow is sequential and the warning is always reproducible in
this path.
Fixes: 9ab877a6cc ("uio_hv_generic: make ring buffer attribute for primary channel")
Cc: stable@kernel.org
Suggested-by: Saurabh Sengar <ssengar@linux.microsoft.com>
Suggested-by: Michael Kelley <mhklinux@outlook.com>
Reviewed-by: Michael Kelley <mhklinux@outlook.com>
Tested-by: Michael Kelley <mhklinux@outlook.com>
Reviewed-by: Dexuan Cui <decui@microsoft.com>
Signed-off-by: Naman Jain <namjain@linux.microsoft.com>
Link: https://lore.kernel.org/r/20250502074811.2022-2-namjain@linux.microsoft.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Things have calmed down on our end (knock on wood), no outstanding
investigations. Including fixes from Bluetooth and WiFi.
Current release - fix to a fix:
- igc: fix lock order in igc_ptp_reset
Current release - new code bugs:
- Revert "wifi: iwlwifi: make no_160 more generic", fixes regression
to Killer line of devices reported by a number of people
- Revert "wifi: iwlwifi: add support for BE213", initial FW is too buggy
- number of fixes for mld, the new Intel WiFi subdriver
Previous releases - regressions:
- wifi: mac80211: restore monitor for outgoing frames
- drv: vmxnet3: fix malformed packet sizing in vmxnet3_process_xdp
- eth: bnxt_en: fix timestamping FIFO getting out of sync on reset,
delivering stale timestamps
- use sock_gen_put() in the TCP fraglist GRO heuristic, don't assume
every socket is a full socket
Previous releases - always broken:
- sched: adapt qdiscs for reentrant enqueue cases, fix list corruptions
- xsk: fix race condition in AF_XDP generic RX path, shared UMEM
can't be protected by a per-socket lock
- eth: mtk-star-emac: fix spinlock recursion issues on rx/tx poll
- btusb: avoid NULL pointer dereference in skb_dequeue()
- dsa: felix: fix broken taprio gate states after clock jump
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Happy May Day.
Things have calmed down on our end (knock on wood), no outstanding
investigations. Including fixes from Bluetooth and WiFi.
Current release - fix to a fix:
- igc: fix lock order in igc_ptp_reset
Current release - new code bugs:
- Revert "wifi: iwlwifi: make no_160 more generic", fixes regression
to Killer line of devices reported by a number of people
- Revert "wifi: iwlwifi: add support for BE213", initial FW is too
buggy
- number of fixes for mld, the new Intel WiFi subdriver
Previous releases - regressions:
- wifi: mac80211: restore monitor for outgoing frames
- drv: vmxnet3: fix malformed packet sizing in vmxnet3_process_xdp
- eth: bnxt_en: fix timestamping FIFO getting out of sync on reset,
delivering stale timestamps
- use sock_gen_put() in the TCP fraglist GRO heuristic, don't assume
every socket is a full socket
Previous releases - always broken:
- sched: adapt qdiscs for reentrant enqueue cases, fix list
corruptions
- xsk: fix race condition in AF_XDP generic RX path, shared UMEM
can't be protected by a per-socket lock
- eth: mtk-star-emac: fix spinlock recursion issues on rx/tx poll
- btusb: avoid NULL pointer dereference in skb_dequeue()
- dsa: felix: fix broken taprio gate states after clock jump"
* tag 'net-6.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (83 commits)
net: vertexcom: mse102x: Fix RX error handling
net: vertexcom: mse102x: Add range check for CMD_RTS
net: vertexcom: mse102x: Fix LEN_MASK
net: vertexcom: mse102x: Fix possible stuck of SPI interrupt
net: hns3: defer calling ptp_clock_register()
net: hns3: fixed debugfs tm_qset size
net: hns3: fix an interrupt residual problem
net: hns3: store rx VLAN tag offload state for VF
octeon_ep: Fix host hang issue during device reboot
net: fec: ERR007885 Workaround for conventional TX
net: lan743x: Fix memleak issue when GSO enabled
ptp: ocp: Fix NULL dereference in Adva board SMA sysfs operations
net: use sock_gen_put() when sk_state is TCP_TIME_WAIT
bnxt_en: fix module unload sequence
bnxt_en: Fix ethtool -d byte order for 32-bit values
bnxt_en: Fix out-of-bound memcpy() during ethtool -w
bnxt_en: Fix coredump logic to free allocated buffer
bnxt_en: delay pci_alloc_irq_vectors() in the AER path
bnxt_en: call pci_alloc_irq_vectors() after bnxt_reserve_rings()
bnxt_en: Add missing skb_mark_for_recycle() in bnxt_rx_vlan()
...
A moderately large batch of fixes for v6.15, many driver specific
including cleanups for the enabling of the Cirrus KUnit tests and a fix
for a nasty crash on resume on AMD systems. We also have one core fix,
for an ordering issue between DAPM and DPCM which could leave things
incorrectly unpowered.
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Merge tag 'asoc-fix-v6.15-rc4' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v6.15
A moderately large batch of fixes for v6.15, many driver specific
including cleanups for the enabling of the Cirrus KUnit tests and a fix
for a nasty crash on resume on AMD systems. We also have one core fix,
for an ordering issue between DAPM and DPCM which could leave things
incorrectly unpowered.
Merge series from Stefan Binding <sbinding@opensource.cirrus.com>:
Both CS35L56 and CS42L43 have maximum volumes above 0dB.
However, for many use cases, this can cause distorted audio, depending
various factors, such as other signal-processing elements in the chain,
for example if the audio passes through a gain control before reaching
the amp or the signal path has been tuned for a particular maximum
gain in the amp.
In the cases where systems use the soc_sdw_* drivers, audio above the
0dB volume will likely always be distorted, therefore apply a 0dB
limit to those devices.
Stefan Binding (2):
ASoC: intel/sdw_utils: Add volume limit to cs42l43 speakers
ASoC: intel/sdw_utils: Add volume limit to cs35l56 speakers
include/sound/soc_sdw_utils.h | 1 +
sound/soc/sdw_utils/soc_sdw_bridge_cs35l56.c | 4 ++++
sound/soc/sdw_utils/soc_sdw_cs42l43.c | 10 ++++++++
sound/soc/sdw_utils/soc_sdw_cs_amp.c | 24 ++++++++++++++++++++
4 files changed, 39 insertions(+)
--
2.43.0
The volume control for cs35l56 speakers has a maximum gain of +12 dB.
However, for many use cases, this can cause distorted audio, depending
various factors, such as other signal-processing elements in the chain,
for example if the audio passes through a gain control before reaching
the amp or the signal path has been tuned for a particular maximum
gain in the amp.
In the case of systems which use the soc_sdw_* driver, audio will
likely be distorted in all cases above 0 dB, therefore add a volume
limit of 400, which is 0 dB maximum volume inside this driver.
The volume limit should be applied to both soundwire and soundwire
bridge configurations.
Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com>
Link: https://patch.msgid.link/20250430103134.24579-3-sbinding@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
