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During our testing with hugetlb subpool enabled, we observe that
hstate->resv_huge_pages may underflow into negative values. Root cause
analysis reveals a race condition in subpool reservation fallback handling
as follow:
hugetlb_reserve_pages()
/* Attempt subpool reservation */
gbl_reserve = hugepage_subpool_get_pages(spool, chg);
/* Global reservation may fail after subpool allocation */
if (hugetlb_acct_memory(h, gbl_reserve) < 0)
goto out_put_pages;
out_put_pages:
/* This incorrectly restores reservation to subpool */
hugepage_subpool_put_pages(spool, chg);
When hugetlb_acct_memory() fails after subpool allocation, the current
implementation over-commits subpool reservations by returning the full
'chg' value instead of the actual allocated 'gbl_reserve' amount. This
discrepancy propagates to global reservations during subsequent releases,
eventually causing resv_huge_pages underflow.
This problem can be trigger easily with the following steps:
1. reverse hugepage for hugeltb allocation
2. mount hugetlbfs with min_size to enable hugetlb subpool
3. alloc hugepages with two task(make sure the second will fail due to
insufficient amount of hugepages)
4. with for a few seconds and repeat step 3 which will make
hstate->resv_huge_pages to go below zero.
To fix this problem, return corrent amount of pages to subpool during the
fallback after hugepage_subpool_get_pages is called.
Link: https://lkml.kernel.org/r/20250410062633.3102457-1-mawupeng1@huawei.com
Fixes: 1c5ecae3a93f ("hugetlbfs: add minimum size accounting to subpools")
Signed-off-by: Wupeng Ma <mawupeng1@huawei.com>
Tested-by: Joshua Hahn <joshua.hahnjy@gmail.com>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Cc: David Hildenbrand <david@redhat.com>
Cc: Ma Wupeng <mawupeng1@huawei.com>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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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
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 IBTI mitigation from Dave Hansen:
"Mitigate Intra-mode Branch History Injection via classic BFP programs
This adds the branch history clearing mitigation to cBPF programs for
x86. Intra-mode BHI attacks via cBPF a.k.a IBTI-History was reported
by researchers at VUSec.
For hardware that doesn't support BHI_DIS_S, the recommended
mitigation is to run the short software sequence followed by the IBHF
instruction after cBPF execution. On hardware that does support
BHI_DIS_S, enable BHI_DIS_S and execute the IBHF after cBPF execution.
The Indirect Branch History Fence (IBHF) is a new instruction that
prevents indirect branch target predictions after the barrier from
using branch history from before the barrier while BHI_DIS_S is
enabled. On older systems this will map to a NOP. It is recommended to
add this fence at the end of the cBPF program to support VM migration.
This instruction is required on newer parts with BHI_NO to fully
mitigate against these attacks.
The current code disables the mitigation for anything running with the
SYS_ADMIN capability bit set. The intention was not to waste time
mitigating a process that has access to anything it wants anyway"
* tag 'ibti-hisory-for-linus-2025-05-06' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/bhi: Do not set BHI_DIS_S in 32-bit mode
x86/bpf: Add IBHF call at end of classic BPF
x86/bpf: Call branch history clearing sequence on exit
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Pull KVM fixes from Paolo Bonzini:
"ARM:
- Avoid use of uninitialized memcache pointer in user_mem_abort()
- Always set HCR_EL2.xMO bits when running in VHE, allowing
interrupts to be taken while TGE=0 and fixing an ugly bug on
AmpereOne that occurs when taking an interrupt while clearing the
xMO bits (AC03_CPU_36)
- Prevent VMMs from hiding support for AArch64 at any EL virtualized
by KVM
- Save/restore the host value for HCRX_EL2 instead of restoring an
incorrect fixed value
- Make host_stage2_set_owner_locked() check that the entire requested
range is memory rather than just the first page
RISC-V:
- Add missing reset of smstateen CSRs
x86:
- Forcibly leave SMM on SHUTDOWN interception on AMD CPUs to avoid
causing problems due to KVM stuffing INIT on SHUTDOWN (KVM needs to
sanitize the VMCB as its state is undefined after SHUTDOWN,
emulating INIT is the least awful choice).
- Track the valid sync/dirty fields in kvm_run as a u64 to ensure KVM
KVM doesn't goof a sanity check in the future.
- Free obsolete roots when (re)loading the MMU to fix a bug where
pre-faulting memory can get stuck due to always encountering a
stale root.
- When dumping GHCB state, use KVM's snapshot instead of the raw GHCB
page to print state, so that KVM doesn't print stale/wrong
information.
- When changing memory attributes (e.g. shared <=> private), add
potential hugepage ranges to the mmu_invalidate_range_{start,end}
set so that KVM doesn't create a shared/private hugepage when the
the corresponding attributes will become mixed (the attributes are
commited *after* KVM finishes the invalidation).
- Rework the SRSO mitigation to enable BP_SPEC_REDUCE only when KVM
has at least one active VM. Effectively BP_SPEC_REDUCE when KVM is
loaded led to very measurable performance regressions for non-KVM
workloads"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: SVM: Set/clear SRSO's BP_SPEC_REDUCE on 0 <=> 1 VM count transitions
KVM: arm64: Fix memory check in host_stage2_set_owner_locked()
KVM: arm64: Kill HCRX_HOST_FLAGS
KVM: arm64: Properly save/restore HCRX_EL2
KVM: arm64: selftest: Don't try to disable AArch64 support
KVM: arm64: Prevent userspace from disabling AArch64 support at any virtualisable EL
KVM: arm64: Force HCR_EL2.xMO to 1 at all times in VHE mode
KVM: arm64: Fix uninitialized memcache pointer in user_mem_abort()
KVM: x86/mmu: Prevent installing hugepages when mem attributes are changing
KVM: SVM: Update dump_ghcb() to use the GHCB snapshot fields
KVM: RISC-V: reset smstateen CSRs
KVM: x86/mmu: Check and free obsolete roots in kvm_mmu_reload()
KVM: x86: Check that the high 32bits are clear in kvm_arch_vcpu_ioctl_run()
KVM: SVM: Forcibly leave SMM mode on SHUTDOWN interception
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git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS fixes from Thomas Bogendoerfer:
- Fix delayed timers
- Fix NULL pointer deref
- Fix wrong range check
* tag 'mips-fixes_6.15_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
MIPS: Fix MAX_REG_OFFSET
MIPS: CPS: Fix potential NULL pointer dereferences in cps_prepare_cpus()
MIPS: rename rollback_handler with skipover_handler
MIPS: Move r4k_wait() to .cpuidle.text section
MIPS: Fix idle VS timer enqueue
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fix from Ingo Molnar:
"Fix a boot regression on very old x86 CPUs without CPUID support"
* tag 'x86-urgent-2025-05-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/microcode: Consolidate the loader enablement checking
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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
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
- Synaptics touchpad on multiple laptops (Dynabook Portege X30L-G,
Dynabook Portege X30-D, TUXEDO InfinityBook Pro 14 v5, Dell Precision
M3800, HP Elitebook 850 G1) switched from PS/2 to SMBus mode
- a number of new controllers added to xpad driver: HORI Drum
controller, PowerA Fusion Pro 4, PowerA MOGA XP-Ultra controller,
8BitDo Ultimate 2 Wireless Controller, 8BitDo Ultimate 3-mode
Controller, Hyperkin DuchesS Xbox One controller
- fixes to xpad driver to properly handle Mad Catz JOYTECH NEO SE
Advanced and PDP Mirror's Edge Official controllers
- fixes to xpad driver to properly handle "Share" button on some
controllers
- a fix for device initialization timing and for waking up the
controller in cyttsp5 driver
- a fix for hisi_powerkey driver to properly wake up from s2idle state
- other assorted cleanups and fixes
* tag 'input-for-v6.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: xpad - fix xpad_device sorting
Input: xpad - add support for several more controllers
Input: xpad - fix Share button on Xbox One controllers
Input: xpad - fix two controller table values
Input: hisi_powerkey - enable system-wakeup for s2idle
Input: synaptics - enable InterTouch on Dell Precision M3800
Input: synaptics - enable InterTouch on TUXEDO InfinityBook Pro 14 v5
Input: synaptics - enable InterTouch on Dynabook Portege X30L-G
Input: synaptics - enable InterTouch on Dynabook Portege X30-D
Input: synaptics - enable SMBus for HP Elitebook 850 G1
Input: mtk-pmic-keys - fix possible null pointer dereference
Input: xpad - add support for 8BitDo Ultimate 2 Wireless Controller
Input: cyttsp5 - fix power control issue on wakeup
MAINTAINERS: .mailmap: update Mattijs Korpershoek's email address
dt-bindings: mediatek,mt6779-keypad: Update Mattijs' email address
Input: stmpe-ts - use module alias instead of device table
Input: cyttsp5 - ensure minimum reset pulse width
Input: sparcspkr - avoid unannotated fall-through
input/joystick: magellan: Mark __nonstring look-up table
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git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock
Pull memblock fixes from Mike Rapoport:
- Mark set_high_memory() as __init to fix section mismatch
- Accept memory allocated in memblock_double_array() to mitigate crash
of SNP guests
* tag 'fixes-2025-05-11' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock:
memblock: Accept allocated memory before use in memblock_double_array()
mm,mm_init: Mark set_high_memory as __init
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s/devince/device/
It's used only internally, so no any behavior changes.
Fixes: 37e0e14128e0 ("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>
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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>
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When an event with UMP message is sent to a UMP client, the EP port
receives always no matter where the event is sent to, as it's a
catch-all port. OTOH, if an event is sent to EP port, and if the
event has a certain UMP Group, it should have been delivered to the
associated UMP Group port, too, but this was ignored, so far.
This patch addresses the behavior. Now a UMP event sent to the
Endpoint port will be delivered to the subscribers of the UMP group
port the event is associated with.
The patch also does a bit of refactoring to simplify the code about
__deliver_to_subscribers().
Fixes: 177ccf811df4 ("ALSA: seq: Support MIDI 2.0 UMP Endpoint port")
Link: https://patch.msgid.link/20250511134528.6314-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The GHCB_MSR_VMPL_REQ_LEVEL macro lacked parentheses around the bitmask
expression, causing the shift operation to bind too early. As a result,
when requesting VMPL1 (e.g., GHCB_MSR_VMPL_REQ_LEVEL(1)), incorrect
values such as 0x000000016 were generated instead of the intended
0x100000016 (the requested VMPL level is specified in GHCBData[39:32]).
Fix the precedence issue by grouping the masked value before applying
the shift.
[ bp: Massage commit message. ]
Fixes: 34ff65901735 ("x86/sev: Use kernel provided SVSM Calling Areas")
Signed-off-by: Seongman Lee <augustus92@kaist.ac.kr>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/20250511092329.12680-1-cloudlee1719@gmail.com
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A recent commit put one entry in the wrong place. This just moves it to the
right place.
Signed-off-by: Vicki Pfau <vi@endrift.com>
Link: https://lore.kernel.org/r/20250328234345.989761-5-vi@endrift.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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This adds support for several new controllers, all of which include
Share buttons:
- HORI Drum controller
- PowerA Fusion Pro 4
- 8BitDo Ultimate 3-mode Controller
- Hyperkin DuchesS Xbox One controller
- PowerA MOGA XP-Ultra controller
Signed-off-by: Vicki Pfau <vi@endrift.com>
Link: https://lore.kernel.org/r/20250328234345.989761-4-vi@endrift.com
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The Share button, if present, is always one of two offsets from the end of the
file, depending on the presence of a specific interface. As we lack parsing for
the identify packet we can't automatically determine the presence of that
interface, but we can hardcode which of these offsets is correct for a given
controller.
More controllers are probably fixable by adding the MAP_SHARE_BUTTON in the
future, but for now I only added the ones that I have the ability to test
directly.
Signed-off-by: Vicki Pfau <vi@endrift.com>
Link: https://lore.kernel.org/r/20250328234345.989761-2-vi@endrift.com
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Two controllers -- Mad Catz JOYTECH NEO SE Advanced and PDP Mirror's
Edge Official -- were missing the value of the mapping field, and thus
wouldn't detect properly.
Signed-off-by: Vicki Pfau <vi@endrift.com>
Link: https://lore.kernel.org/r/20250328234345.989761-1-vi@endrift.com
Fixes: 540602a43ae5 ("Input: xpad - add a few new VID/PID combinations")
Fixes: 3492321e2e60 ("Input: xpad - add multiple supported devices")
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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To wake up the system from s2idle when pressing the power-button, let's
convert from using pm_wakeup_event() to pm_wakeup_dev_event(), as it allows
us to specify the "hard" in-parameter, which needs to be set for s2idle.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/20250306115021.797426-1-ulf.hansson@linaro.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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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
...
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It was decided this was supported after all, so remove
the restriction.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://patch.msgid.link/20250509104454.2582160-15-miriam.rachel.korenblit@intel.com
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
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add support for remain on channel on BSS vif for iwlmld.
Signed-off-by: Pagadala Yesu Anjaneyulu <pagadala.yesu.anjaneyulu@intel.com>
Link: https://patch.msgid.link/20250509104454.2582160-14-miriam.rachel.korenblit@intel.com
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
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If one of the stages in starting a ROC failed,
the ROC will not start nor end so EMLSR will stay blocked forever.
Block EMLSR once all ROC conditions are validated and
clear EMLSR blocked reasons in mld_vif cleanup.
Signed-off-by: Pagadala Yesu Anjaneyulu <pagadala.yesu.anjaneyulu@intel.com>
Link: https://patch.msgid.link/20250509104454.2582160-13-miriam.rachel.korenblit@intel.com
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
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This change reflects the correct ownership of aux_sta,
as it is not a property of the link but rather of the virtual interface.
Updated the initialization, cleanup and access logic for the aux_sta member
to align with its new location within iwl_mld_vif.
Signed-off-by: Pagadala Yesu Anjaneyulu <pagadala.yesu.anjaneyulu@intel.com>
Reviewed-by: Somashekhar Puttagangaiah <somashekhar.puttagangaiah@intel.com>
Link: https://patch.msgid.link/20250509104454.2582160-12-miriam.rachel.korenblit@intel.com
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
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The roc_activity member in the iwl_mld_vif structure was previously
set to zero during cleanup as was present in struct_group, which
incorrectly indicated ROC_ACTIVITY_HOTSPOT.
To fix this issue, remove roc_activity member from struct_group.
Notify mac80211 of ROC expiration during vif cleanup to maintain
synchronization between the driver and mac80211.
While on it, update it's type to enum iwl_roc_activity.
Signed-off-by: Pagadala Yesu Anjaneyulu <pagadala.yesu.anjaneyulu@intel.com>
Link: https://patch.msgid.link/20250509104454.2582160-11-miriam.rachel.korenblit@intel.com
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
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Update comments to accurately reflect the purpose of the
iwl_mld_cleanup_link and iwl_cleanup_mld functions.
Signed-off-by: Pagadala Yesu Anjaneyulu <pagadala.yesu.anjaneyulu@intel.com>
Reviewed-by: Somashekhar Puttagangaiah <somashekhar.puttagangaiah@intel.com>
Link: https://patch.msgid.link/20250509104454.2582160-10-miriam.rachel.korenblit@intel.com
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
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With all the cleanups now, we can rename the structure to
better indicate the functionality. For older devices this
isn't quite accurate, of course, but it's better to have a
name that reflects future use for maintenance.
Add some kernel-doc while at it.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://patch.msgid.link/20250509104454.2582160-9-miriam.rachel.korenblit@intel.com
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
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For now, the WH and PE radios require the same config as
FM, so just add a #define for those instead of copying
the data. Since this is true, Sc/Dr/Br all used the same
configs for all RF types, but that's confusing, so now
use the defined WH/PE names for the correct combinations.
We can also now enable the unit test that ensures we have
no duplicate RF configs.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://patch.msgid.link/20250509104454.2582160-8-miriam.rachel.korenblit@intel.com
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
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The Bz configs really should be FM for the RF, so
move that around.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://patch.msgid.link/20250509104454.2582160-7-miriam.rachel.korenblit@intel.com
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
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This is equivalent to just the previous iwl_cfg_ma, but
really should also be used for Bz/Gf and Sc/Gf, instead
of those using EHT sizes.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://patch.msgid.link/20250509104454.2582160-6-miriam.rachel.korenblit@intel.com
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
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Unify the HR configs to just one HR RF config. All the fields
were the same already, so this doesn't do anything.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://patch.msgid.link/20250509104454.2582160-5-miriam.rachel.korenblit@intel.com
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
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Unify the JF configs to just one JF RF config. This can be
done because the differing fields (thermal and DCCM offsets)
won't be used for Qu MACs (and up) due to firmware support.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://patch.msgid.link/20250509104454.2582160-4-miriam.rachel.korenblit@intel.com
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
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This should depend on both the RF (VHT/HE/EHT support) and
the MAC (<=22000 can put multiple frames into one buffer),
so unify the config in the struct iwl_cfg to just have it
sized according to the RF, and then double it for all the
MACs starting from AX210 (So/Ty).
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://patch.msgid.link/20250509104454.2582160-3-miriam.rachel.korenblit@intel.com
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
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In some older devices, the min/max firmware API supported by
the driver depends on the specific device, when sharing the
the same MAC (config). For most newer devices, it really is
dependent on the MAC instead, since the firmware was frozen
for certain MAC types. However, in the future we expect also
freezes for RF types there.
To handle this most generally, add an API min/max to the MAC
config and then use the narrowest range prescribed by both,
if set.
For the newer MACs since 9000, move the configuration, there
was only a freeze on MAC+RF lines so far.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://patch.msgid.link/20250509104454.2582160-2-miriam.rachel.korenblit@intel.com
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core
Pull driver core fix from Greg KH:
"Here is a single driver core fix for a regression for platform devices
that is a regression from a change that went into 6.15-rc1 that
affected Pixel devices. It has been in linux-next for over a week with
no reported problems"
* tag 'driver-core-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core:
platform: Fix race condition during DMA configure at IOMMU probe time
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small USB driver fixes for 6.15-rc6. Included in here
are:
- typec driver fixes
- usbtmc ioctl fixes
- xhci driver fixes
- cdnsp driver fixes
- some gadget driver fixes
Nothing really major, just all little stuff that people have reported
being issues. All of these have been in linux-next this week with no
reported issues"
* tag 'usb-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
xhci: dbc: Avoid event polling busyloop if pending rx transfers are inactive.
usb: xhci: Don't trust the EP Context cycle bit when moving HW dequeue
usb: usbtmc: Fix erroneous generic_read ioctl return
usb: usbtmc: Fix erroneous wait_srq ioctl return
usb: usbtmc: Fix erroneous get_stb ioctl error returns
usb: typec: tcpm: delay SNK_TRY_WAIT_DEBOUNCE to SRC_TRYWAIT transition
USB: usbtmc: use interruptible sleep in usbtmc_read
usb: cdnsp: fix L1 resume issue for RTL_REVISION_NEW_LPM version
usb: typec: ucsi: displayport: Fix NULL pointer access
usb: typec: ucsi: displayport: Fix deadlock
usb: misc: onboard_usb_dev: fix support for Cypress HX3 hubs
usb: uhci-platform: Make the clock really optional
usb: dwc3: gadget: Make gadget_wakeup asynchronous
usb: gadget: Use get_status callback to set remote wakeup capability
usb: gadget: f_ecm: Add get_status callback
usb: host: tegra: Prevent host controller crash when OTG port is used
usb: cdnsp: Fix issue with resuming from L1
usb: gadget: tegra-xudc: ACK ST_RC after clearing CTRL_RUN
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg KH:
"Here are three small staging driver fixes for 6.15-rc6. These are:
- bcm2835-camera driver fix
- two axis-fifo driver fixes
All of these have been in linux-next for a few weeks with no reported
issues"
* tag 'staging-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: axis-fifo: Remove hardware resets for user errors
staging: axis-fifo: Correct handling of tx_fifo_depth for size validation
staging: bcm2835-camera: Initialise dev in v4l2_dev
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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
...
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
- omap: use correct function to read from device tree
- MAINTAINERS: remove Seth from ISMT maintainership
* tag 'i2c-for-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
MAINTAINERS: Remove entry for Seth Heasley
i2c: omap: fix deprecated of_property_read_bool() use
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
- A fix for the xenbus driver allowing to use a PVH Dom0 with
Xenstore running in another domain
- A fix for the xenbus driver addressing a rare race condition
resulting in NULL dereferences and other problems
- A fix for the xen-swiotlb driver fixing a problem seen on Arm
platforms
* tag 'for-linus-6.15a-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xenbus: Use kref to track req lifetime
xenbus: Allow PVH dom0 a non-local xenstore
xen: swiotlb: Use swiotlb bouncing if kmalloc allocation demands it
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Pull mount fixes from Al Viro:
"A couple of races around legalize_mnt vs umount (both fairly old and
hard to hit) plus two bugs in move_mount(2) - both around 'move
detached subtree in place' logics"
* tag 'pull-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
fix IS_MNT_PROPAGATING uses
do_move_mount(): don't leak MNTNS_PROPAGATING on failures
do_umount(): add missing barrier before refcount checks in sync case
__legitimize_mnt(): check for MNT_SYNC_UMOUNT should be under mount_lock
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KVM x86 fixes for 6.15-rcN
- Forcibly leave SMM on SHUTDOWN interception on AMD CPUs to avoid causing
problems due to KVM stuffing INIT on SHUTDOWN (KVM needs to sanitize the
VMCB as its state is undefined after SHUTDOWN, emulating INIT is the
least awful choice).
- Track the valid sync/dirty fields in kvm_run as a u64 to ensure KVM
KVM doesn't goof a sanity check in the future.
- Free obsolete roots when (re)loading the MMU to fix a bug where
pre-faulting memory can get stuck due to always encountering a stale
root.
- When dumping GHCB state, use KVM's snapshot instead of the raw GHCB page
to print state, so that KVM doesn't print stale/wrong information.
- When changing memory attributes (e.g. shared <=> private), add potential
hugepage ranges to the mmu_invalidate_range_{start,end} set so that KVM
doesn't create a shared/private hugepage when the the corresponding
attributes will become mixed (the attributes are commited *after* KVM
finishes the invalidation).
- Rework the SRSO mitigation to enable BP_SPEC_REDUCE only when KVM has at
least one active VM. Effectively BP_SPEC_REDUCE when KVM is loaded led
to very measurable performance regressions for non-KVM workloads.
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https://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 fixes for 6.15, round #3
- Avoid use of uninitialized memcache pointer in user_mem_abort()
- Always set HCR_EL2.xMO bits when running in VHE, allowing interrupts
to be taken while TGE=0 and fixing an ugly bug on AmpereOne that
occurs when taking an interrupt while clearing the xMO bits
(AC03_CPU_36)
- Prevent VMMs from hiding support for AArch64 at any EL virtualized by
KVM
- Save/restore the host value for HCRX_EL2 instead of restoring an
incorrect fixed value
- Make host_stage2_set_owner_locked() check that the entire requested
range is memory rather than just the first page
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into HEAD
KVM/riscv fixes for 6.15, take #1
- Add missing reset of smstateen CSRs
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git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux into i2c/for-current
i2c-host-fixes for v6.15-rc6
- omap: use correct function to read from device tree
- MAINTAINERS: remove Seth from ISMT maintainership
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https://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes
i.MX fixes for 6.15, 2nd round:
- One more i.MX8MP nominal drive mode DT fix from Ahmad Fatoum to use
800MHz NoC OPP
- A imx8mp-var-som DT change from Himanshu Bhavani to fix SD card
timeout caused by LDO5
* tag 'imx-fixes-6.15-2' of https://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
arm64: dts: imx8mp-var-som: Fix LDO5 shutdown causing SD card timeout
arm64: dts: imx8mp: use 800MHz NoC OPP for nominal drive mode
Link: https://lore.kernel.org/r/aB6h/woeyG1bSo12@dragon
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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When the following prerequisites are met, driver will enable support_mlo.
It means that driver will declare WIPHY_FLAG_SUPPORTS_MLO, and then deal
with MLO related things.
The main prerequisites are as below.
1. all prerequisites for running with chanctx
2. FW feature NOTIFY_AP_INFO
Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250505072440.45113-12-pkshih@realtek.com
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Add an dbgfs mlo_mode to get/set MLO mode. And, support to trigger MLSR
switching. Setting it will automatically disable MLO Dynamic Mechanism
(DM). Then MLO things can follow commands via dbgfs mlo_mode instead of
MLO DM. The disabled DM(s) can be checked/cleared via dbgfs disable_dm.
The following is an use example.
Read it to show current MLD status.
$ cat mlo_mode
MLD(s) status: (MLO DM: enable)
#0: MLO mode 0, valid 0x6, active 0x2
Write it to switch to MLSR on link id 2.
$ echo 0 2 > mlo_mode
$ cat mlo_mode
MLD(s) status: (MLO DM: disable)
#0: MLO mode 0, valid 0x6, active 0x4
Besides, to be safer, add RWLOCK attribute to dbgfs disable_dm.
Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250505072440.45113-11-pkshih@realtek.com
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This allows showing MLO related logs when FW debug mode is on.
Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250505072440.45113-10-pkshih@realtek.com
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Add definition for MLD table dump, this is for debug purpose only.
Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250505072440.45113-9-pkshih@realtek.com
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