drm-misc-fixes-2026-03-05, together with a UAF fix in TTM, an argument
order fix for panthor, a fix for the firmware getting stuck on
resource allocation error handling for amdxdna, and a few fixes for
ethosu (size calculation and reference underflows, and a validation
fix).
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Merge tag 'drm-misc-fixes-2026-03-06' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes
Another early drm-misc-fixes PR to revert the previous uapi fix sent in
drm-misc-fixes-2026-03-05, together with a UAF fix in TTM, an argument
order fix for panthor, a fix for the firmware getting stuck on
resource allocation error handling for amdxdna, and a few fixes for
ethosu (size calculation and reference underflows, and a validation
fix).
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <mripard@redhat.com>
Link: https://patch.msgid.link/20260306-grumpy-pegasus-of-witchcraft-6bd2db@houat
for amdxdna, a DSI clock rate fix for rz-du, a uapi fix for syncobj, a
possible build failure fix for dma-buf, a doc warning fix for sched, a
build failure fix for ttm tests, and a crash fix when suspended for
nouveau.
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Merge tag 'drm-misc-fixes-2026-03-05' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes
A return type fix for ttm, a display fix for solomon, several misc fixes
for amdxdna, a DSI clock rate fix for rz-du, a uapi fix for syncobj, a
possible build failure fix for dma-buf, a doc warning fix for sched, a
build failure fix for ttm tests, and a crash fix when suspended for
nouveau.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <mripard@redhat.com>
Link: https://patch.msgid.link/20260305-ludicrous-quirky-raven-7cdafd@houat
If the command stream has larger padding sizes than the IFM and OFM
diminsions, then the calculations will underflow to a negative value.
The result is a very large region bounds which is caught on submit, but
it's better to catch it earlier.
Current mesa ethosu driver has a signedness bug which resulted in
padding of 127 (the max) and triggers this issue.
Reviewed-and-Tested-by: Anders Roxell <anders.roxell@linaro.org>
Link: https://patch.msgid.link/20260218-ethos-fixes-v1-3-be3fa3ea9a30@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
The NPU_OP_ELEMENTWISE instruction uses a scalar value for IFM2 if the
IFM2_BROADCAST "scalar" mode is set. It is a bit (7) on the u65 and
part of a field (bits 3:0) on the u85. The driver was hardcoded to the
u85.
Fixes: 5a5e9c0228 ("accel: Add Arm Ethos-U NPU driver")
Reviewed-and-Tested-by: Anders Roxell <anders.roxell@linaro.org>
Link: https://patch.msgid.link/20260218-ethos-fixes-v1-2-be3fa3ea9a30@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
If the job submit fails before adding the job to the scheduler queue
such as when the GEM buffer bounds checks fail, then doing a
ethosu_job_put() results in a pm_runtime_put_autosuspend() without the
corresponding pm_runtime_resume_and_get(). The dma_fence_put()'s are
also unnecessary, but seem to be harmless.
Split the ethosu_job_cleanup() function into 2 parts for the before
and after the job is queued.
Fixes: 5a5e9c0228 ("accel: Add Arm Ethos-U NPU driver")
Reviewed-and-Tested-by: Anders Roxell <anders.roxell@linaro.org>
Link: https://patch.msgid.link/20260218-ethos-fixes-v1-1-be3fa3ea9a30@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
The management channel used for firmware control command submission is
currently created after the firmware is started. If channel creation
fails (for example, due to memory allocation failure or workqueue
creation interruption), the firmware remains in a pending state and is
unable to receive any control commands.
To avoid leaving the firmware in this inconsistent state, split
xdna_mailbox_create_channel() into two separate functions so that
resource allocation can be completed before interacting with the
hardware.
xdna_mailbox_alloc_channel()
Allocates memory and initializes the workqueue. This can be called
earlier, before interacting with the hardware.
xdna_mailbox_start_channel()
Performs the hardware interaction required to start the channel.
Rename xdna_mailbox_destroy_channel() to xdna_mailbox_free_channel().
Ensure that xdna_mailbox_stop_channel() and xdna_mailbox_free_channel()
properly unwind the corresponding start and allocation steps, respectively.
Fixes: b87f920b93 ("accel/amdxdna: Support hardware mailbox")
Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org>
Signed-off-by: Lizhi Hou <lizhi.hou@amd.com>
Link: https://patch.msgid.link/20260305062041.3954024-1-lizhi.hou@amd.com
This commit corrects the order of arguments passed to panthor_gem_sync()
function, called when the SYNC_WAIT condition has to be evaluated for a
blocked GPU queue.
Fixes: cd2c9c3015 ("drm/panthor: Add flag to map GEM object Write-Back Cacheable")
Signed-off-by: Akash Goel <akash.goel@arm.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Liviu Dudau <liviu.dudau@arm.com>
Link: https://patch.msgid.link/20260305110723.2871733-1-akash.goel@arm.com
Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
This reverts commit 2e3649e237.
The problem occurs when userspace is compiled against new headers
with new members, but don't correctly initialise those new members.
This is not a kernel problem, and should be fixed in userspace by
correctly zero'ing all members.
Cc: Rob Clark <robdclark@chromium.org>
Cc: Julian Orth <ju.orth@gmail.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Michel Dänzer <michel.daenzer@mailbox.org>
Reviewed-by: Christian König <christian.koenig@amd.com>
Acked-by: Julian Orth <ju.orth@gmail.com>
Link: https://patch.msgid.link/20260305113734.1309238-1-dev@lankhorst.se
Signed-off-by: Maarten Lankhorst <dev@lankhorst.se>
If we have runtime suspended, and userspace wants to use /dev/drm_dp_*
then just tell it the device is busy instead of crashing in the GSP
code.
WARNING: CPU: 2 PID: 565741 at drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/rpc.c:164 r535_gsp_msgq_wait+0x9a/0xb0 [nouveau]
CPU: 2 UID: 0 PID: 565741 Comm: fwupd Not tainted 6.18.10-200.fc43.x86_64 #1 PREEMPT(lazy)
Hardware name: LENOVO 20QTS0PQ00/20QTS0PQ00, BIOS N2OET65W (1.52 ) 08/05/2024
RIP: 0010:r535_gsp_msgq_wait+0x9a/0xb0 [nouveau]
This is a simple fix to get backported. We should probably engineer a
proper power domain solution to wake up devices and keep them awake
while fw updates are happening.
Cc: stable@vger.kernel.org
Fixes: 8894f4919b ("drm/nouveau: register a drm_dp_aux channel for each dp connector")
Reviewed-by: Lyude Paul <lyude@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patch.msgid.link/20260224031750.791621-1-airlied@gmail.com
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
Add the missing major number in npu1_fw_feature_table.
Without the major version specified, the firmware feature check fails,
preventing new firmware commands from being enabled on the NPU1
platform.
With the correct major version populated, the driver properly detects
firmware support and enables the new command.
Fixes: f1eac46fe5 ("accel/amdxdna: Update firmware version check for latest firmware")
Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org>
Signed-off-by: Lizhi Hou <lizhi.hou@amd.com>
Link: https://patch.msgid.link/20260304195012.3616908-1-lizhi.hou@amd.com
To avoid race condition and avoid UAF cases, implement kref
based queues and protect the below operations using xa lock
a. Getting a queue from xarray
b. Increment/Decrement it's refcount
Every time some one want to access a queue, always get via
amdgpu_userq_get to make sure we have locks in place and get
the object if active.
A userqueue is destroyed on the last refcount is dropped which
typically would be via IOCTL or during fini.
v2: Add the missing drop in one the condition in the signal ioclt [Alex]
v3: remove the queue from the xarray first in the free queue ioctl path
[Christian]
- Pass queue to the amdgpu_userq_put directly.
- make amdgpu_userq_put xa_lock free since we are doing put for each get
only and final put is done via destroy and we remove the queue from xa
with lock.
- use userq_put in fini too so cleanup is done fully.
v4: Use xa_erase directly rather than doing load and erase in free
ioctl. Also remove some of the error logs which could be exploited
by the user to flood the logs [Christian]
Signed-off-by: Sunil Khatri <sunil.khatri@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 4952189b284d4d847f92636bb42dd747747129c0)
Cc: <stable@vger.kernel.org> # 048c1c4e51: drm/amdgpu/userq: Consolidate wait ioctl exit path
Cc: <stable@vger.kernel.org>
If we gate the fence destruction with a check telling us whether there are
valid pointers in there we can eliminate the need for dual, basically
identical, exit paths.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit bea29bb0dd29012949cd44fdb122465a9fd5cf91)
The reason the RAP is not granting access to 0x58200 is that
a dedicated RSMU slot would have to be spent for this address range,
and MPASP is close to running out of RSMU slots.
This will help to fix PSP TOC load failure during secureboot.
GFX Driver Need to use indirect access for SMN address regs.
Signed-off-by: sguttula <suresh.guttula@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 9b822e26eea3899003aa8a89d5e2c4408e066e20)
Replace non-atomic vm->process_info assignment with cmpxchg()
to prevent race when parent/child processes sharing a drm_file
both try to acquire the same VM after fork().
Reviewed-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Signed-off-by: Alysa Liu <Alysa.Liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit c7c573275ec20db05be769288a3e3bb2250ec618)
Cc: stable@vger.kernel.org
v1:
The metrics->EnergyAccumulator field has been deprecated on newer pmfw.
v2:
add smu 13.0.0/13.0.7/13.0.10 support.
Signed-off-by: Yang Wang <kevinyang.wang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 8de9edb35976fa56565dc8fbb5d1310e8e10187c)
Cc: stable@vger.kernel.org
DP specification is saying value 0xff 0xff in PANEL REPLAY SELECTIVE UPDATE
X GRANULARITY CAPABILITY registers (0xb2 and 0xb3) means full-line
granularity. Take this into account when handling Panel Replay X
granularity informed by the panel.
Fixes: 1cc8546474 ("drm/i915/psr: Use SU granularity information available in intel_connector")
Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/7284
Tested-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Link: https://patch.msgid.link/20260225074221.1744330-2-jouni.hogander@intel.com
(cherry picked from commit f5c8f824a495e849492f09a43bd965a8f4d86cb2)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
There is a kernel-doc warning for the scheduler:
Warning: drivers/gpu/drm/scheduler/sched_main.c:367 function parameter 'result' not described in 'drm_sched_job_done'
Fix the warning by describing the undocumented error code.
Fixes: 539f9ee4b5 ("drm/scheduler: properly forward fence errors")
Signed-off-by: Yujie Liu <yujie.liu@intel.com>
[phasta: Flesh out commit message]
Signed-off-by: Philipp Stanner <phasta@kernel.org>
Link: https://patch.msgid.link/20260227082452.1802922-1-yujie.liu@intel.com
include/uapi/linux/dma-buf.h uses several macros from ioctl.h to define
its ioctl commands. However, it does not include ioctl.h itself. So,
if userspace source code tries to include the dma-buf.h file without
including ioctl.h, it can result in build failures.
Therefore, include ioctl.h in the dma-buf UAPI header.
Signed-off-by: Isaac J. Manjarres <isaacmanjarres@google.com>
Reviewed-by: T.J. Mercier <tjmercier@google.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Link: https://lore.kernel.org/r/20260303002309.1401849-1-isaacmanjarres@google.com
[WHY & HOW]
If the dentist is unavailable, fallback to reading CLKIP via the boot
snapshot to get the current dispclk.
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Dillon Varone <Dillon.Varone@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 2ab77600d1e55a042c02437326d3c7563e853c6c)
Cc: stable@vger.kernel.org
This will set DPG flags for enabling power gating on GFX11_5_4
Signed-off-by: sguttula <suresh.guttula@amd.com>
Reviewed-by: Pratik Vishwakarma <Pratik.Vishwakarma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit a503c266d70d3363ba6bffb883cd6ecdb092670c)
[WHAT]
Create DEGAMMA properties even if color pipeline is enabled, and enforce
the mutual exclusion in atomic check by rejecting any commit that
attempts to enable both COLOR_PIPELINE on the plane and DEGAMMA_LUT on
the CRTC simultaneously.
Fixes: 18a4127e93 ("drm/amd/display: Disable CRTC degamma when color pipeline is enabled")
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4963
Reviewed-by: Melissa Wen <mwen@igalia.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 196a6aa727f1f15eb54dda5e60a41543ea9397ee)
[WHAT]
New ASIC's 3D LUT is indicated by mpc.preblend.
Fixes: 0de2b1afea ("drm/amd/display: add 3D LUT colorop")
Reviewed-by: Melissa Wen <mwen@igalia.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 43175f6164d32cb96362d16e357689f74298145c)
mgmt_chann may be set to NULL if the firmware returns an unexpected
error in aie2_send_mgmt_msg_wait(). This can later lead to a NULL
pointer dereference in aie2_hw_stop().
Fix this by introducing a dedicated helper to destroy mgmt_chann
and by adding proper NULL checks before accessing it.
Fixes: b87f920b93 ("accel/amdxdna: Support hardware mailbox")
Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org>
Signed-off-by: Lizhi Hou <lizhi.hou@amd.com>
Link: https://patch.msgid.link/20260226213857.3068474-1-lizhi.hou@amd.com
Consider the following application:
#include <fcntl.h>
#include <string.h>
#include <drm/drm.h>
#include <sys/ioctl.h>
int main(void) {
int fd = open("/dev/dri/renderD128", O_RDWR);
struct drm_syncobj_create arg1;
ioctl(fd, DRM_IOCTL_SYNCOBJ_CREATE, &arg1);
struct drm_syncobj_handle arg2;
memset(&arg2, 1, sizeof(arg2)); // simulate dirty stack
arg2.handle = arg1.handle;
arg2.flags = 0;
arg2.fd = 0;
arg2.pad = 0;
// arg2.point = 0; // userspace is required to set point to 0
ioctl(fd, DRM_IOCTL_SYNCOBJ_HANDLE_TO_FD, &arg2);
}
The last ioctl returns EINVAL because args->point is not 0. However,
userspace developed against older kernel versions is not aware of the
new point field and might therefore not initialize it.
The correct check would be
if (args->flags & DRM_SYNCOBJ_FD_TO_HANDLE_FLAGS_TIMELINE)
return -EINVAL;
However, there might already be userspace that relies on this not
returning an error as long as point == 0. Therefore use the more lenient
check.
Fixes: c2d3a73006 ("drm/syncobj: Extend EXPORT_SYNC_FILE for timeline syncobjs")
Signed-off-by: Julian Orth <ju.orth@gmail.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Link: https://lore.kernel.org/r/20260301-point-v1-1-21fc5fd98614@gmail.com
Before the MIPI DSI clock source can be configured, the target divide
ratio needs to be set.
Signed-off-by: Chris Brandt <chris.brandt@renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Tested-by: Biju Das <biju.das.jz@bp.renesas.com>
Fixes: 5a4326f2e3 ("clk: renesas: rzg2l: Remove DSI clock rate restrictions")
Link: https://patch.msgid.link/20260227015216.2721504-1-chris.brandt@renesas.com
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
* Make sure we don't leak any S1POE state from guest to guest when
the feature is supported on the HW, but not enabled on the host
* Propagate the ID registers from the host into non-protected VMs
managed by pKVM, ensuring that the guest sees the intended feature set
* Drop double kern_hyp_va() from unpin_host_sve_state(), which could
bite us if we were to change kern_hyp_va() to not being idempotent
* Don't leak stage-2 mappings in protected mode
* Correctly align the faulting address when dealing with single page
stage-2 mappings for PAGE_SIZE > 4kB
* Fix detection of virtualisation-capable GICv5 IRS, due to the
maintainer being obviously fat fingered... [his words, not mine]
* Remove duplication of code retrieving the ASID for the purpose of
S1 PT handling
* Fix slightly abusive const-ification in vgic_set_kvm_info()
Generic:
* Remove internal Kconfigs that are now set on all architectures.
* Remove per-architecture code to enable KVM_CAP_SYNC_MMU, all
architectures finally enable it in Linux 7.0.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"Arm:
- Make sure we don't leak any S1POE state from guest to guest when
the feature is supported on the HW, but not enabled on the host
- Propagate the ID registers from the host into non-protected VMs
managed by pKVM, ensuring that the guest sees the intended feature
set
- Drop double kern_hyp_va() from unpin_host_sve_state(), which could
bite us if we were to change kern_hyp_va() to not being idempotent
- Don't leak stage-2 mappings in protected mode
- Correctly align the faulting address when dealing with single page
stage-2 mappings for PAGE_SIZE > 4kB
- Fix detection of virtualisation-capable GICv5 IRS, due to the
maintainer being obviously fat fingered... [his words, not mine]
- Remove duplication of code retrieving the ASID for the purpose of
S1 PT handling
- Fix slightly abusive const-ification in vgic_set_kvm_info()
Generic:
- Remove internal Kconfigs that are now set on all architectures
- Remove per-architecture code to enable KVM_CAP_SYNC_MMU, all
architectures finally enable it in Linux 7.0"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: always define KVM_CAP_SYNC_MMU
KVM: remove CONFIG_KVM_GENERIC_MMU_NOTIFIER
KVM: arm64: Deduplicate ASID retrieval code
irqchip/gic-v5: Fix inversion of IRS_IDR0.virt flag
KVM: arm64: Revert accidental drop of kvm_uninit_stage2_mmu() for non-NV VMs
KVM: arm64: Fix protected mode handling of pages larger than 4kB
KVM: arm64: vgic: Handle const qualifier from gic_kvm_info allocation type
KVM: arm64: Remove redundant kern_hyp_va() in unpin_host_sve_state()
KVM: arm64: Fix ID register initialization for non-protected pKVM guests
KVM: arm64: Optimise away S1POE handling when not supported by host
KVM: arm64: Hide S1POE from guests when not supported by the host
The deferred page initialization prevents debug objects from allocating
slab pages until the initialization is complete. That causes depletion of
the pool and disabling of debugobjects.
The reason is that debugobjects uses __GFP_HIGH for allocations as it might
be invoked from arbitrary contexts. When PREEMPT_COUNT is disabled there is
no way to know whether the context is safe to set __GFP_KSWAPD_RECLAIM.
This worked until v6.18. Since then allocations w/o a reclaim flag cause
new_slab() to end up in alloc_frozen_pages_nolock_noprof(), which returns
early when deferred page initialization has not yet completed.
Work around that when PREEMPT_COUNT is enabled as the preempt counter
allows debugobjects to add __GFP_KSWAPD_RECLAIM to the GFP flags when the
context is preemtible. When PREEMPT_COUNT is disabled the context is
unknown and the reclaim bit can't be set because the caller might hold
locks which might deadlock in the allocator.
That makes debugobjects depend on PREEMPT_COUNT || !DEFERRED_STRUCT_PAGE_INIT,
which limits the coverage slightly, but keeps it functional for most cases.
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Merge tag 'core-debugobjects-2026-03-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull debugobjects fix from Thomas Gleixner:
"A single fix for debugobjects.
The deferred page initialization prevents debug objects from
allocating slab pages until the initialization is complete. That
causes depletion of the pool and disabling of debugobjects.
The reason is that debugobjects uses __GFP_HIGH for allocations as it
might be invoked from arbitrary contexts. When PREEMPT_COUNT is
disabled there is no way to know whether the context is safe to set
__GFP_KSWAPD_RECLAIM.
This worked until v6.18. Since then allocations w/o a reclaim flag
cause new_slab() to end up in alloc_frozen_pages_nolock_noprof(),
which returns early when deferred page initialization has not yet
completed.
Work around that when PREEMPT_COUNT is enabled as the preempt counter
allows debugobjects to add __GFP_KSWAPD_RECLAIM to the GFP flags when
the context is preemtible. When PREEMPT_COUNT is disabled the context
is unknown and the reclaim bit can't be set because the caller might
hold locks which might deadlock in the allocator.
That makes debugobjects depend on PREEMPT_COUNT ||
!DEFERRED_STRUCT_PAGE_INIT, which limits the coverage slightly, but
keeps it functional for most cases"
* tag 'core-debugobjects-2026-03-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
debugobject: Make it work with deferred page initialization - again
- Fix speculative safety in fred_extint()
- Fix __WARN_printf() trap in early_fixup_exception()
- Fix clang-build boot bug for unusual alignments,
triggered by CONFIG_DEBUG_FORCE_FUNCTION_ALIGN_64B=y
- Replace the final few __ASSEMBLY__ stragglers that snuck
in lately into non-UAPI x86 headers and use __ASSEMBLER__
consistently (again).
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-urgent-2026-03-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
- Fix speculative safety in fred_extint()
- Fix __WARN_printf() trap in early_fixup_exception()
- Fix clang-build boot bug for unusual alignments, triggered by
CONFIG_DEBUG_FORCE_FUNCTION_ALIGN_64B=y
- Replace the final few __ASSEMBLY__ stragglers that snuck in lately
into non-UAPI x86 headers and use __ASSEMBLER__ consistently (again)
* tag 'x86-urgent-2026-03-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/headers: Replace __ASSEMBLY__ stragglers with __ASSEMBLER__
x86/cfi: Fix CFI rewrite for odd alignments
x86/bug: Handle __WARN_printf() trap in early_fixup_exception()
x86/fred: Correct speculative safety in fred_extint()
for the common HZ=100, 250 or 1000 cases, only inlining them
for odd HZ values like HZ=300.
The inlining overhead showed up in performance tests of the TCP code.
(Marked as an RFC pull request, as it's not a regression.)
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'timers-urgent-2026-03-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fix from Ingo Molnar:
"Improve the inlining of jiffies_to_msecs() and jiffies_to_usecs(), for
the common HZ=100, 250 or 1000 cases. Only use a function call for odd
HZ values like HZ=300 that generate more code.
The function call overhead showed up in performance tests of the TCP
code"
* tag 'timers-urgent-2026-03-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
time/jiffies: Inline jiffies_to_msecs() and jiffies_to_usecs()
- Fix zero_vruntime tracking when there's a single task running
- Fix slice protection logic
- Fix the ->vprot logic for reniced tasks
- Fix lag clamping in mixed slice workloads
- Fix objtool uaccess warning (and bug) in the
!CONFIG_RSEQ_SLICE_EXTENSION case caused by unexpected
un-inlining, which triggers with older compilers
- Fix a comment in the rseq registration rseq_size bound check code
- Fix a legacy RSEQ ABI quirk that handled 32-byte area sizes
differently, which special size we now reached naturally and
want to avoid. The visible ugliness of the new reserved field
will be avoided the next time the RSEQ area is extended.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-urgent-2026-03-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar:
- Fix zero_vruntime tracking when there's a single task running
- Fix slice protection logic
- Fix the ->vprot logic for reniced tasks
- Fix lag clamping in mixed slice workloads
- Fix objtool uaccess warning (and bug) in the
!CONFIG_RSEQ_SLICE_EXTENSION case caused by unexpected un-inlining,
which triggers with older compilers
- Fix a comment in the rseq registration rseq_size bound check code
- Fix a legacy RSEQ ABI quirk that handled 32-byte area sizes
differently, which special size we now reached naturally and want to
avoid. The visible ugliness of the new reserved field will be avoided
the next time the RSEQ area is extended.
* tag 'sched-urgent-2026-03-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
rseq: slice ext: Ensure rseq feature size differs from original rseq size
rseq: Clarify rseq registration rseq_size bound check comment
sched/core: Fix wakeup_preempt's next_class tracking
rseq: Mark rseq_arm_slice_extension_timer() __always_inline
sched/fair: Fix lag clamp
sched/eevdf: Update se->vprot in reweight_entity()
sched/fair: Only set slice protection at pick time
sched/fair: Fix zero_vruntime tracking
- Fix lock ordering bug found by lockdep in perf_event_wakeup()
- Fix uncore counter enumeration on Granite Rapids and Sierra Forest
- Fix perf_mmap() refcount bug found by Syzkaller
- Fix __perf_event_overflow() vs. perf_remove_from_context() race
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'perf-urgent-2026-03-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf events fixes from Ingo Molnar:
- Fix lock ordering bug found by lockdep in perf_event_wakeup()
- Fix uncore counter enumeration on Granite Rapids and Sierra Forest
- Fix perf_mmap() refcount bug found by Syzkaller
- Fix __perf_event_overflow() vs perf_remove_from_context() race
* tag 'perf-urgent-2026-03-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf: Fix __perf_event_overflow() vs perf_remove_from_context() race
perf/core: Fix refcount bug and potential UAF in perf_mmap
perf/x86/intel/uncore: Add per-scheduler IMC CAS count events
perf/core: Fix invalid wait context in ctx_sched_in()
version to use the new CONFIG_WARN_CONTEXT_ANALYSIS feature.
In particular this avoids the widely used Android clang 22.0.1
pre-release build which is known to be broken for this usecase.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'locking-urgent-2026-03-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fix from Ingo Molnar:
"Now that LLVM 22 has been released officially, require a release
version to use the new CONFIG_WARN_CONTEXT_ANALYSIS feature.
In particular this avoids the widely used Android clang 22.0.1
pre-release build which is known to be broken for this usecase"
* tag 'locking-urgent-2026-03-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
lib/Kconfig.debug: Require a release version of LLVM 22 for context analysis
- Fix frozen interrupt bug in the sifive-plic driver
- Limit per-device MSI interrupts on uncommon gic-v3-its
hardware variants
- Address Sparse warning by constifying a variable in
the MMP driver
- Revert broken commit and also fix an error check
in the ls-extirq driver
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'irq-urgent-2026-03-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irqchip driver fixes from Ingo Molnar:
- Fix frozen interrupt bug in the sifive-plic driver
- Limit per-device MSI interrupts on uncommon gic-v3-its hardware
variants
- Address Sparse warning by constifying a variable in the MMP driver
- Revert broken commit and also fix an error check in the ls-extirq
driver
* tag 'irq-urgent-2026-03-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/ls-extirq: Fix devm_of_iomap() error check
Revert "irqchip/ls-extirq: Use for_each_of_imap_item iterator"
irqchip/mmp: Make icu_irq_chip variable static const
irqchip/gic-v3-its: Limit number of per-device MSIs to the range the ITS supports
irqchip/sifive-plic: Fix frozen interrupt due to affinity setting
All changes in drivers (well technically ses is enclosure services,
but its change is minor). The biggest is the write combining change
in lpfc followed by the additional NULL checks in mpi3mr.
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 fixes from James Bottomley:
"All changes in drivers (well technically SES is enclosure services,
but its change is minor). The biggest is the write combining change in
lpfc followed by the additional NULL checks in mpi3mr"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: ufs: core: Fix shift out of bounds when MAXQ=32
scsi: ufs: core: Move link recovery for hibern8 exit failure to wl_resume
scsi: ufs: core: Fix possible NULL pointer dereference in ufshcd_add_command_trace()
scsi: snic: MAINTAINERS: Update snic maintainers
scsi: snic: Remove unused linkstatus
scsi: pm8001: Fix use-after-free in pm8001_queue_command()
scsi: mpi3mr: Add NULL checks when resetting request and reply queues
scsi: ufs: core: Reset urgent_bkops_lvl to allow runtime PM power mode
scsi: ses: Fix devices attaching to different hosts
scsi: ufs: core: Fix RPMB region size detection for UFS 2.2
scsi: storvsc: Fix scheduling while atomic on PREEMPT_RT
scsi: lpfc: Properly set WC for DPP mapping
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Merge tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Pull bpf fixes from Alexei Starovoitov:
- Fix alignment of arm64 JIT buffer to prevent atomic tearing (Fuad
Tabba)
- Fix invariant violation for single value tnums in the verifier
(Harishankar Vishwanathan, Paul Chaignon)
- Fix a bunch of issues found by ASAN in selftests/bpf (Ihor Solodrai)
- Fix race in devmpa and cpumap on PREEMPT_RT (Jiayuan Chen)
- Fix show_fdinfo of kprobe_multi when cookies are not present (Jiri
Olsa)
- Fix race in freeing special fields in BPF maps to prevent memory
leaks (Kumar Kartikeya Dwivedi)
- Fix OOB read in dmabuf_collector (T.J. Mercier)
* tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf: (36 commits)
selftests/bpf: Avoid simplification of crafted bounds test
selftests/bpf: Test refinement of single-value tnum
bpf: Improve bounds when tnum has a single possible value
bpf: Introduce tnum_step to step through tnum's members
bpf: Fix race in devmap on PREEMPT_RT
bpf: Fix race in cpumap on PREEMPT_RT
selftests/bpf: Add tests for special fields races
bpf: Retire rcu_trace_implies_rcu_gp() from local storage
bpf: Delay freeing fields in local storage
bpf: Lose const-ness of map in map_check_btf()
bpf: Register dtor for freeing special fields
selftests/bpf: Fix OOB read in dmabuf_collector
selftests/bpf: Fix a memory leak in xdp_flowtable test
bpf: Fix stack-out-of-bounds write in devmap
bpf: Fix kprobe_multi cookies access in show_fdinfo callback
bpf, arm64: Force 8-byte alignment for JIT buffer to prevent atomic tearing
selftests/bpf: Don't override SIGSEGV handler with ASAN
selftests/bpf: Check BPFTOOL env var in detect_bpftool_path()
selftests/bpf: Fix out-of-bounds array access bugs reported by ASAN
selftests/bpf: Fix array bounds warning in jit_disasm_helpers
...
- Do not register imx_clk_scu_driver in imx8qxp_clk_probe(); besides
fixing two other issues, this avoids a deadlock in combination with
commit dc23806a7c ("driver core: enforce device_lock for
driver_match_device()").
- Move secondary node lookup from device_get_next_child_node() to
fwnode_get_next_child_node(); this avoids issues when users switch
from the device API to the fwnode API.
- Export io_define_{read,write}!() to avoid unused import warnings when
CONFIG_PCI=n.
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Merge tag 'driver-core-7.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core
Pull driver core fixes from Danilo Krummrich:
- Do not register imx_clk_scu_driver in imx8qxp_clk_probe(); besides
fixing two other issues, this avoids a deadlock in combination with
commit dc23806a7c ("driver core: enforce device_lock for
driver_match_device()")
- Move secondary node lookup from device_get_next_child_node() to
fwnode_get_next_child_node(); this avoids issues when users switch
from the device API to the fwnode API
- Export io_define_{read,write}!() to avoid unused import warnings when
CONFIG_PCI=n
* tag 'driver-core-7.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core:
clk: scu/imx8qxp: do not register driver in probe()
rust: io: macro_export io_define_read!() and io_define_write!()
device property: Allow secondary lookup in fwnode_get_next_child_node()
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Merge tag 'v7.0rc1-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull smb client fixes from Steve French:
- Two multichannel fixes
- Locking fix for superblock flags
- Fix to remove debug message that could log password
- Cleanup fix for setting credentials
* tag 'v7.0rc1-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
smb: client: Use snprintf in cifs_set_cifscreds
smb: client: Don't log plaintext credentials in cifs_set_cifscreds
smb: client: fix broken multichannel with krb5+signing
smb: client: use atomic_t for mnt_cifs_flags
smb: client: fix cifs_pick_channel when channels are equally loaded
The call of alloc_pages_bulk() skips to fill entries of page array when
the entries already have values. While, 1394 OHCI PCI driver passes the
page array without initializing. It could cause invalid state at PFN
validation in vmap().
Fixes: f2ae92780a ("firewire: ohci: split page allocation from dma mapping")
Reported-by: John Ogness <john.ogness@linutronix.de>
Reported-and-tested-by: Harald Arnesen <linux@skogtun.org>
Reported-and-tested-by: David Gow <david@davidgow.net>
Closes: https://lore.kernel.org/lkml/87tsv1vig5.fsf@jogness.linutronix.de/
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
One fix for the stm32 driver which got broken for DMA chaining cases,
plus a removal of some straggling bindings for the Bikal SoC which has
been pulled out of the kernel.
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Merge tag 'spi-fix-v7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"One fix for the stm32 driver which got broken for DMA chaining cases,
plus a removal of some straggling bindings for the Bikal SoC which has
been pulled out of the kernel"
* tag 'spi-fix-v7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: stm32: fix missing pointer assignment in case of dma chaining
spi: dt-bindings: snps,dw-abp-ssi: Remove unused bindings
A small pile of fixes, none of which are super major - the code fixes
are improved error handling and fixing a leak of a device node. We also
have a typo fix and an improvement to make the binding example for
mt6359 more directly usable.
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Merge tag 'regulator-fix-v7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"A small pile of fixes, none of which are super major - the code fixes
are improved error handling and fixing a leak of a device node.
We also have a typo fix and an improvement to make the binding example
for mt6359 more directly usable"
* tag 'regulator-fix-v7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: Kconfig: fix a typo
regulator: bq257xx: Fix device node reference leak in bq257xx_reg_dt_parse_gpio()
regulator: fp9931: Fix PM runtime reference leak in fp9931_hwmon_read()
regulator: tps65185: check devm_kzalloc() result in probe
regulator: dt-bindings: mt6359: make regulator names unique
- Fix guest pfault init to pass a physical address to DIAG 0x258,
restoring pfault interrupts and avoiding vCPU stalls during host page-in
- Fix kexec/kdump hangs with stack protector by marking
s390_reset_system() __no_stack_protector; set_prefix(0) switches
lowcore and the canary no longer matches
- Fix idle/vtime cputime accounting (idle-exit ordering, vtimer
double-forwarding) and small cleanups
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Merge tag 's390-7.0-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Vasily Gorbik:
- Fix guest pfault init to pass a physical address to DIAG 0x258,
restoring pfault interrupts and avoiding vCPU stalls during host
page-in
- Fix kexec/kdump hangs with stack protector by marking
s390_reset_system() __no_stack_protector; set_prefix(0) switches
lowcore and the canary no longer matches
- Fix idle/vtime cputime accounting (idle-exit ordering, vtimer
double-forwarding) and small cleanups
* tag 's390-7.0-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/pfault: Fix virtual vs physical address confusion
s390/kexec: Disable stack protector in s390_reset_system()
s390/idle: Remove psw_idle() prototype
s390/vtime: Use lockdep_assert_irqs_disabled() instead of BUG_ON()
s390/vtime: Use __this_cpu_read() / get rid of READ_ONCE()
s390/irq/idle: Remove psw bits early
s390/idle: Inline update_timer_idle()
s390/idle: Slightly optimize idle time accounting
s390/idle: Add comment for non obvious code
s390/vtime: Fix virtual timer forwarding
s390/idle: Fix cpu idle exit cpu time accounting
- Make sure we don't leak any S1POE state from guest to guest when
the feature is supported on the HW, but not enabled on the host
- Propagate the ID registers from the host into non-protected VMs
managed by pKVM, ensuring that the guest sees the intended feature set
- Drop double kern_hyp_va() from unpin_host_sve_state(), which could
bite us if we were to change kern_hyp_va() to not being idempotent
- Don't leak stage-2 mappings in protected mode
- Correctly align the faulting address when dealing with single page
stage-2 mappings for PAGE_SIZE > 4kB
- Fix detection of virtualisation-capable GICv5 IRS, due to the
maintainer being obviously fat fingered...
- Remove duplication of code retrieving the ASID for the purpose of
S1 PT handling
- Fix slightly abusive const-ification in vgic_set_kvm_info()
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Merge tag 'kvmarm-fixes-7.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 fixes for 7.0, take #1
- Make sure we don't leak any S1POE state from guest to guest when
the feature is supported on the HW, but not enabled on the host
- Propagate the ID registers from the host into non-protected VMs
managed by pKVM, ensuring that the guest sees the intended feature set
- Drop double kern_hyp_va() from unpin_host_sve_state(), which could
bite us if we were to change kern_hyp_va() to not being idempotent
- Don't leak stage-2 mappings in protected mode
- Correctly align the faulting address when dealing with single page
stage-2 mappings for PAGE_SIZE > 4kB
- Fix detection of virtualisation-capable GICv5 IRS, due to the
maintainer being obviously fat fingered...
- Remove duplication of code retrieving the ASID for the purpose of
S1 PT handling
- Fix slightly abusive const-ification in vgic_set_kvm_info()
KVM_CAP_SYNC_MMU is provided by KVM's MMU notifiers, which are now always
available. Move the definition from individual architectures to common
code.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
All architectures now use MMU notifier for KVM page table management.
Remove the Kconfig symbol and the code that is used when it is
disabled.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
