When we implement delayed destroy, we may have a second
call to the delete_mem_notify() handler, while free_object()
only should be called once.
Move it to bo->destroy(), to ensure it's only called once.
This fixes some weird memory corruption issues with delayed
destroy when async eviction is used.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210830121006.2978297-2-maarten.lankhorst@linux.intel.com
Fixes: 213d509277 ("drm/i915/ttm: Introduce a TTM i915 gem object backend")
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
GPU wedged flag now set on driver unregister to prevent from further
using the GPU can be then cleared unintentionally when calling
__intel_gt_unset_wedged() still before the flag is finally marked
unrecoverable. We need to have it marked unrecoverable earlier.
Implement that by replacing a call to intel_gt_set_wedged() in
intel_gt_driver_unregister() with intel_gt_set_wedged_on_fini().
With the above in place, intel_gt_set_wedged_on_fini() is now called
twice on driver remove, second time from __intel_gt_disable(). This
seems harmless, while dropping intel_gt_set_wedged_on_fini() from
__intel_gt_disable() proved to break some driver probe error unwind
paths as well as mock selftest exit path.
Signed-off-by: Janusz Krzysztofik <janusz.krzysztofik@linux.intel.com>
Cc: Michał Winiarski <michal.winiarski@intel.com>
Reviewed-by: Michał Winiarski <michal.winiarski@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210903142837.216978-1-janusz.krzysztofik@linux.intel.com
Close the divergence which has caused patches not to apply and
have a solid baseline for the PXP patches that Rodrigo will send
a topic branch PR for.
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Like DG1, XeHP SDV doesn't have LLC/eDRAM control values due to being a
dgfx card. XeHP SDV adds 2 more bits: L3_GLBGO to "push the Go point to
memory for L3 destined transaction" and L3_LKP to "enable Lookup for
uncacheable accesses".
Bspec: 45101
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Stuart Summers <stuart.summers@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Clint Taylor <Clinton.A.Taylor@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210904003544.2422282-2-matthew.d.roper@intel.com
This warning helps catch uninitialized variables. It should have been
enabled at the same time as commit b2423184ac ("drm/i915: Enable
-Wuninitialized") but I did not realize they were disabled separately.
Enable it now that i915 is clean so that it stays that way.
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210824225427.2065517-4-nathan@kernel.org
Clang warns:
drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c:127:13: warning:
variable 'err' is used uninitialized whenever 'if' condition is false
[-Wsometimes-uninitialized]
} else if (PTR_ERR(import) != -EOPNOTSUPP) {
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c:138:9: note:
uninitialized use occurs here
return err;
^~~
drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c:127:9: note: remove
the 'if' if its condition is always true
} else if (PTR_ERR(import) != -EOPNOTSUPP) {
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c:95:9: note:
initialize the variable 'err' to silence this warning
int err;
^
= 0
The test is expected to pass if i915_gem_prime_import() returns
-EOPNOTSUPP so initialize err to zero in this case.
Fixes: cdb35d1ed6 ("drm/i915/gem: Migrate to system at dma-buf attach time (v7)")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210824225427.2065517-3-nathan@kernel.org
Clang warns a couple of times:
drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c:63:6: warning:
variable 'import_obj' is used uninitialized whenever 'if' condition is
true [-Wsometimes-uninitialized]
if (import != &obj->base) {
^~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c:80:22: note:
uninitialized use occurs here
i915_gem_object_put(import_obj);
^~~~~~~~~~
drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c:63:2: note: remove
the 'if' if its condition is always false
if (import != &obj->base) {
^~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c:38:46: note:
initialize the variable 'import_obj' to silence this warning
struct drm_i915_gem_object *obj, *import_obj;
^
= NULL
Shuffle the import_obj initialization above these if statements so that
it is not used uninitialized.
Fixes: d7b2cb380b ("drm/i915/gem: Correct the locking and pin pattern for dma-buf (v8)")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210824225427.2065517-2-nathan@kernel.org
Add GuC kernel doc for all structures added thus far for GuC submission
and update the main GuC submission section with the new interface
details.
v2:
- Drop guc_active.lock DOC
v3:
- Fixup a few kernel doc comments (Daniele)
v4 (Daniele):
- Implement doc suggestions from John
- Add kerneldoc for all members of the GuC structure and pull the file
in i915.rst
v5 (Daniele):
- Implement new doc suggestions from John
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: John Harrison <John.C.Harrison@Intel.com>
Reviewed-by: John Harrison <John.C.Harrison@Intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210909164744.31249-24-matthew.brost@intel.com
Now that we have locking hierarchy of sched_engine->lock ->
ce->guc_state everything from guc_active can be moved into guc_state and
protected the guc_state.lock.
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210909164744.31249-23-matthew.brost@intel.com
To make ownership of locking clear move fields (guc_id, guc_id_ref,
guc_id_link) to sub structure guc_id in intel_context.
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210909164744.31249-22-matthew.brost@intel.com
Move GuC management fields in context under guc_active struct as this is
where the lock that protects theses fields lives. Also only set guc_prio
field once during context init.
v2:
(Daniele)
- set CONTEXT_SET_INIT
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210909164744.31249-21-matthew.brost@intel.com
Drop pin count check trick between a sched_disable and re-pin, now rely
on the lock and counter of the number of committed requests to determine
if scheduling should be disabled on the context.
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210909164744.31249-20-matthew.brost@intel.com
Lock the xarray and take ref to the context if needed.
v2:
(Checkpatch)
- Add new line after declaration
(Daniel Vetter)
- Correct put / get accounting in xa_for_loops
v3:
(Checkpatch)
- Extra new line
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210909164744.31249-19-matthew.brost@intel.com
Rework and simplify the locking with GuC subission. Drop
sched_state_no_lock and move all fields under the guc_state.sched_state
and protect all these fields with guc_state.lock . This requires
changing the locking hierarchy from guc_state.lock -> sched_engine.lock
to sched_engine.lock -> guc_state.lock.
v2:
(Daniele)
- Don't check fields outside of lock during sched disable, check less
fields within lock as some of the outside are no longer needed
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210909164744.31249-18-matthew.brost@intel.com
Move guc_blocked fence to struct guc_state as the lock which protects
the fence lives there.
s/ce->guc_blocked/ce->guc_state.blocked/g
v2:
(Daniele)
- s/blocked_fence/blocked/g
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210909164744.31249-17-matthew.brost@intel.com
A subsequent patch will flip the locking hierarchy from
ce->guc_state.lock -> sched_engine->lock to sched_engine->lock ->
ce->guc_state.lock. As such we need to release the submit fence for a
request from an IRQ to break a lock inversion - i.e. the fence must be
release went holding ce->guc_state.lock and the releasing of the can
acquire sched_engine->lock.
v2:
(Daniele)
- Delete request from list before calling irq_work_queue
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210909164744.31249-16-matthew.brost@intel.com
Reset LRC descriptor if a context register returns -ENODEV as this means
we are mid-reset.
Fixes: eb5e7da736 ("drm/i915/guc: Reset implementation for new GuC interface")
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210909164744.31249-15-matthew.brost@intel.com
Before we did some clever tricks to not use the a lock when touching
guc_state.sched_state in certain cases. Don't do that, enforce the use
of the lock.
v2:
(kernel test robo )
- Add __maybe_unused to sched_state_is_init()
v3: rebase after the unused code path removal has been moved to an
earlier patch.
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210909164744.31249-14-matthew.brost@intel.com
A context can get destroyed after cancelling a request, if a context or
GT reset occurs, so take a reference to context when cancelling a
request.
Fixes: 62eaf0ae21 ("drm/i915/guc: Support request cancellation")
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210909164744.31249-13-matthew.brost@intel.com
While debugging an issue with full GT resets I went down a rabbit hole
thinking the scrubbing of lost G2H wasn't working correctly. This proved
to be incorrect as this was working just fine but this chase inspired me
to write a selftest to prove that this works. This simple selftest
injects errors dropping various G2H and then issues a full GT reset
proving that the scrubbing of these G2H doesn't blow up.
v2:
(Daniel Vetter)
- Use ifdef instead of macros for selftests
v3:
(Checkpatch)
- A space after 'switch' statement
v4:
(Daniele)
- A comment saying GT won't idle if G2H are lost
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210909164744.31249-12-matthew.brost@intel.com
When the GuC does a media reset, it copies a golden context state back
into the corrupted context's state. The address of the golden context
and the size of the engine state restore are passed in via the GuC ADS.
The i915 had a bug where it passed in the whole size of the golden
context, not the size of the engine state to restore resulting in a
memory corruption.
Also copy the entire golden context on init rather than just the engine
state that is restored.
v2 (Daniele): use defines to avoid duplicated const variables (John).
Fixes: 481d458cae ("drm/i915/guc: Add golden context to GuC ADS")
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: John Harrison <John.C.Harrison@Intel.com>
Reviewed-by: John Harrison <John.C.Harrison@Intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210909164744.31249-11-matthew.brost@intel.com
When unblocking a context, do not enable scheduling if the context is
banned, guc_id invalid, or not registered.
v2:
(Daniele)
- Add helper for unblock
Fixes: 62eaf0ae21 ("drm/i915/guc: Support request cancellation")
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210909164744.31249-10-matthew.brost@intel.com
Kick tasklet after queuing a request so it submitted in a timely manner.
Fixes: 3a4cdf1982 ("drm/i915/guc: Implement GuC context operations for new inteface")
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210909164744.31249-9-matthew.brost@intel.com
Propagating errors to dependent fences is broken and can lead to errors
from one client ending up in another. In commit 3761baae90 ("Revert
"drm/i915: Propagate errors on awaiting already signaled fences""), we
attempted to get rid of fence error propagation but missed the case
added in commit 8e9f84cf5c ("drm/i915/gt: Propagate change in error
status to children on unhold"). Revert that one too. This error was
found by an up-and-coming selftest which triggers a reset during
request cancellation and verifies that subsequent requests complete
successfully.
v2:
(Daniel Vetter)
- Use revert
v3:
(Jason)
- Update commit message
v4 (Daniele):
- fix checkpatch error in commit message.
References: '3761baae908a ("Revert "drm/i915: Propagate errors on awaiting already signaled fences"")'
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210909164744.31249-8-matthew.brost@intel.com
If the context is reset as a result of the request cancellation the
context reset G2H is received after schedule disable done G2H which is
the wrong order. The schedule disable done G2H release the waiting
request cancellation code which resubmits the context. This races
with the context reset G2H which also wants to resubmit the context but
in this case it really should be a NOP as request cancellation code owns
the resubmit. Use some clever tricks of checking the context state to
seal this race until the GuC firmware is fixed.
v2:
(Checkpatch)
- Fix typos
v3:
(Daniele)
- State that is a bug in the GuC firmware
Fixes: 62eaf0ae21 ("drm/i915/guc: Support request cancellation")
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Cc: <stable@vger.kernel.org>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210909164744.31249-7-matthew.brost@intel.com
Rather than processing 1 G2H at a time and re-queuing the work queue if
more messages exist, process all the G2H in a single pass of the work
queue.
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210909164744.31249-6-matthew.brost@intel.com
Don't drop ce->guc_active.lock when unwinding a context after reset.
At one point we had to drop this because of a lock inversion but that is
no longer the case. It is much safer to hold the lock so let's do that.
Fixes: eb5e7da736 ("drm/i915/guc: Reset implementation for new GuC interface")
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210909164744.31249-5-matthew.brost@intel.com
When unwinding requests on a reset context, if other requests in the
context are in the priority list the requests could be resubmitted out
of seqno order. Traverse the list of active requests in reverse and
append to the head of the priority list to fix this.
Fixes: eb5e7da736 ("drm/i915/guc: Reset implementation for new GuC interface")
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210909164744.31249-4-matthew.brost@intel.com
A small race that could result in incorrect accounting of the number
of outstanding G2H. Basically prior to this patch we did not increment
the number of outstanding G2H if we encoutered a GT reset while sending
a H2G. This was incorrect as the context state had already been updated
to anticipate a G2H response thus the counter should be incremented.
As part of this change we remove a legacy (now unused) path that was the
last caller requiring a G2H response that was not guaranteed to loop.
This allows us to simplify the accounting as we don't need to handle the
case where the send fails due to the channel being busy.
Also always use helper when decrementing this value.
v2 (Daniele): update GEM_BUG_ON check, pull in dead code removal from
later patch, remove loop param from context_deregister.
Fixes: f4eb1f3fe9 ("drm/i915/guc: Ensure G2H response has space in buffer")
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: <stable@vger.kernel.org>
Reviewed-by: John Harrison <John.C.Harrison@Intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210909164744.31249-3-matthew.brost@intel.com
Prior to this patch the blocked context counter was cleared on
init_sched_state (used during registering a context & resets) which is
incorrect. This state needs to be persistent or the counter can read the
incorrect value resulting in scheduling never getting enabled again.
Fixes: 62eaf0ae21 ("drm/i915/guc: Support request cancellation")
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: <stable@vger.kernel.org>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210909164744.31249-2-matthew.brost@intel.com
- Add missing fields and remove some duplicate fields when printing a perf_event_attr.
- Fix hybrid config terms list corruption.
- Update kernel header copies, some resulted in new kernel features being
automagically added to 'perf trace' syscall/tracepoint argument id->string translators.
- Add a file generated during the documentation build to .gitignore.
- Add an option to build without libbfd, as some distros, like Debian consider
its ABI unstable.
- Add support to print a textual representation of IBS raw sample data in 'perf report'.
- Fix bpf 'perf test' sample mismatch reporting
- Fix passing arguments to stackcollapse report in a 'perf script' python script.
- Allow build-id with trailing zeros.
- Look for ImageBase in PE file to compute .text offset.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-tools-for-v5.15-2021-09-11' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux
Pull more perf tools updates from Arnaldo Carvalho de Melo:
- Add missing fields and remove some duplicate fields when printing a
perf_event_attr.
- Fix hybrid config terms list corruption.
- Update kernel header copies, some resulted in new kernel features
being automagically added to 'perf trace' syscall/tracepoint argument
id->string translators.
- Add a file generated during the documentation build to .gitignore.
- Add an option to build without libbfd, as some distros, like Debian
consider its ABI unstable.
- Add support to print a textual representation of IBS raw sample data
in 'perf report'.
- Fix bpf 'perf test' sample mismatch reporting
- Fix passing arguments to stackcollapse report in a 'perf script'
python script.
- Allow build-id with trailing zeros.
- Look for ImageBase in PE file to compute .text offset.
* tag 'perf-tools-for-v5.15-2021-09-11' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: (25 commits)
tools headers UAPI: Update tools's copy of drm.h headers
tools headers UAPI: Sync drm/i915_drm.h with the kernel sources
tools headers UAPI: Sync linux/fs.h with the kernel sources
tools headers UAPI: Sync linux/in.h copy with the kernel sources
perf tools: Add an option to build without libbfd
perf tools: Allow build-id with trailing zeros
perf tools: Fix hybrid config terms list corruption
perf tools: Factor out copy_config_terms() and free_config_terms()
perf tools: Fix perf_event_attr__fprintf() missing/dupl. fields
perf tools: Ignore Documentation dependency file
perf bpf: Provide a weak btf__load_from_kernel_by_id() for older libbpf versions
tools include UAPI: Update linux/mount.h copy
perf beauty: Cover more flags in the move_mount syscall argument beautifier
tools headers UAPI: Sync linux/prctl.h with the kernel sources
tools include UAPI: Sync sound/asound.h copy with the kernel sources
tools headers UAPI: Sync linux/kvm.h with the kernel sources
tools headers UAPI: Sync x86's asm/kvm.h with the kernel sources
perf report: Add support to print a textual representation of IBS raw sample data
perf report: Add tools/arch/x86/include/asm/amd-ibs.h
perf env: Add perf_env__cpuid, perf_env__{nr_}pmu_mappings
...
- Remove DEFINE_SMP_CALL_CACHE_FUNCTION() which is a left over of the
original hotplug code and now causing trouble with the ARM64 cache
topology setup due to the pointless SMP function call. It's not longer
required as the hotplug callbacks are guaranteed to be invoked on the
upcoming CPU.
- Remove the deprecated and now unused CPU hotplug functions
- Rewrite the CPU hotplug API documentation
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Merge tag 'smp-urgent-2021-09-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull CPU hotplug updates from Thomas Gleixner:
"Updates for the SMP and CPU hotplug:
- Remove DEFINE_SMP_CALL_CACHE_FUNCTION() which is a left over of the
original hotplug code and now causing trouble with the ARM64 cache
topology setup due to the pointless SMP function call.
It's not longer required as the hotplug callbacks are guaranteed to
be invoked on the upcoming CPU.
- Remove the deprecated and now unused CPU hotplug functions
- Rewrite the CPU hotplug API documentation"
* tag 'smp-urgent-2021-09-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
Documentation: core-api/cpuhotplug: Rewrite the API section
cpu/hotplug: Remove deprecated CPU-hotplug functions.
thermal: Replace deprecated CPU-hotplug functions.
drivers: base: cacheinfo: Get rid of DEFINE_SMP_CALL_CACHE_FUNCTION()
Here is a single patch for 5.15-rc1, for the lkdtm misc driver.
It resolves a build issue that many people were hitting with your
current tree, and Kees and others felt would be good to get merged
before -rc1 comes out, to prevent them from having to constantly hit it
as many development trees restart on -rc1, not older -rc releases.
It has NOT been in linux-next, but has passed 0-day testing and looks
"obviously correct" when reviewing it locally :)
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.15-rc1-lkdtm' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull misc driver fix from Greg KH:
"Here is a single patch for 5.15-rc1, for the lkdtm misc driver.
It resolves a build issue that many people were hitting with your
current tree, and Kees and others felt would be good to get merged
before -rc1 comes out, to prevent them from having to constantly hit
it as many development trees restart on -rc1, not older -rc releases.
It has NOT been in linux-next, but has passed 0-day testing and looks
'obviously correct' when reviewing it locally :)"
* tag 'char-misc-5.15-rc1-lkdtm' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
lkdtm: Use init_uts_ns.name instead of macros
Nothing bug, but probably needs to go in.
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Merge tag 'for-linus-5.15-1' of git://github.com/cminyard/linux-ipmi
Pull IPMI updates from Corey Minyard:
"A couple of very minor fixes for style and rate limiting.
Nothing big, but probably needs to go in"
* tag 'for-linus-5.15-1' of git://github.com/cminyard/linux-ipmi:
char: ipmi: use DEVICE_ATTR helper macro
ipmi: rate limit ipmi smi_event failure message
- Make sure the run-queue balance callback is invoked only on the outgoing CPU
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Merge tag 'sched_urgent_for_v5.15_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Borislav Petkov:
- Make sure the idle timer expires in hardirq context, on PREEMPT_RT
- Make sure the run-queue balance callback is invoked only on the
outgoing CPU
* tag 'sched_urgent_for_v5.15_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched: Prevent balance_push() on remote runqueues
sched/idle: Make the idle timer expire in hard interrupt context
inconsistent state
- Avoid a potential null pointer dereference in the ww_mutex deadlock check
- Other smaller cleanups and optimizations
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Merge tag 'locking_urgent_for_v5.15_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fixes from Borislav Petkov:
- Fix the futex PI requeue machinery to not return to userspace in
inconsistent state
- Avoid a potential null pointer dereference in the ww_mutex deadlock
check
- Other smaller cleanups and optimizations
* tag 'locking_urgent_for_v5.15_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
locking/rtmutex: Fix ww_mutex deadlock check
futex: Remove unused variable 'vpid' in futex_proxy_trylock_atomic()
futex: Avoid redundant task lookup
futex: Clarify comment for requeue_pi_wake_futex()
futex: Prevent inconsistent state and exit race
futex: Return error code instead of assigning it without effect
locking/rwsem: Add missing __init_rwsem() for PREEMPT_RT
Pull namei updates from Al Viro:
"Clearing fallout from mkdirat in io_uring series. The fix in the
kern_path_locked() patch plus associated cleanups"
* 'misc.namei' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
putname(): IS_ERR_OR_NULL() is wrong here
namei: Standardize callers of filename_create()
namei: Standardize callers of filename_lookup()
rename __filename_parentat() to filename_parentat()
namei: Fix use after free in kern_path_locked
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Merge tag '5.15-rc-cifs-part2' of git://git.samba.org/sfrench/cifs-2.6
Pull smbfs updates from Steve French:
"cifs/smb3 updates:
- DFS reconnect fix
- begin creating common headers for server and client
- rename the cifs_common directory to smbfs_common to be more
consistent ie change use of the name cifs to smb (smb3 or smbfs is
more accurate, as the very old cifs dialect has long been
superseded by smb3 dialects).
In the future we can rename the fs/cifs directory to fs/smbfs.
This does not include the set of multichannel fixes nor the two
deferred close fixes (they are still being reviewed and tested)"
* tag '5.15-rc-cifs-part2' of git://git.samba.org/sfrench/cifs-2.6:
cifs: properly invalidate cached root handle when closing it
cifs: move SMB FSCTL definitions to common code
cifs: rename cifs_common to smbfs_common
cifs: update FSCTL definitions
vduse driver supporting blk
virtio-vsock support for end of record with SEQPACKET
vdpa: mac and mq support for ifcvf and mlx5
vdpa: management netlink for ifcvf
virtio-i2c, gpio dt bindings
misc fixes, cleanups
NB: when merging this with
b542e383d8 ("eventfd: Make signal recursion protection a task bit")
from Linus' tree, replace eventfd_signal_count with
eventfd_signal_allowed, and drop the export of eventfd_wake_count from
("eventfd: Export eventfd_wake_count to modules").
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio updates from Michael Tsirkin:
- vduse driver ("vDPA Device in Userspace") supporting emulated virtio
block devices
- virtio-vsock support for end of record with SEQPACKET
- vdpa: mac and mq support for ifcvf and mlx5
- vdpa: management netlink for ifcvf
- virtio-i2c, gpio dt bindings
- misc fixes and cleanups
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (39 commits)
Documentation: Add documentation for VDUSE
vduse: Introduce VDUSE - vDPA Device in Userspace
vduse: Implement an MMU-based software IOTLB
vdpa: Support transferring virtual addressing during DMA mapping
vdpa: factor out vhost_vdpa_pa_map() and vhost_vdpa_pa_unmap()
vdpa: Add an opaque pointer for vdpa_config_ops.dma_map()
vhost-iotlb: Add an opaque pointer for vhost IOTLB
vhost-vdpa: Handle the failure of vdpa_reset()
vdpa: Add reset callback in vdpa_config_ops
vdpa: Fix some coding style issues
file: Export receive_fd() to modules
eventfd: Export eventfd_wake_count to modules
iova: Export alloc_iova_fast() and free_iova_fast()
virtio-blk: remove unneeded "likely" statements
virtio-balloon: Use virtio_find_vqs() helper
vdpa: Make use of PFN_PHYS/PFN_UP/PFN_DOWN helper macro
vsock_test: update message bounds test for MSG_EOR
af_vsock: rename variables in receive loop
virtio/vsock: support MSG_EOR bit processing
vhost/vsock: support MSG_EOR bit processing
...
* A pair of defconfig additions, for NVMe and the EFI filesystem
localization options.
* A larger address space for stack randomization.
* A cleanup to our install rules.
* A DTS update for the Microchip Icicle board, to fix the serial
console.
* Support for build-time table sorting, which allows us to have
__ex_table read-only.
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Merge tag 'riscv-for-linus-5.15-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull more RISC-V updates from Palmer Dabbelt:
- A pair of defconfig additions, for NVMe and the EFI filesystem
localization options.
- A larger address space for stack randomization.
- A cleanup to our install rules.
- A DTS update for the Microchip Icicle board, to fix the serial
console.
- Support for build-time table sorting, which allows us to have
__ex_table read-only.
* tag 'riscv-for-linus-5.15-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: Move EXCEPTION_TABLE to RO_DATA segment
riscv: Enable BUILDTIME_TABLE_SORT
riscv: dts: microchip: mpfs-icicle: Fix serial console
riscv: move the (z)install rules to arch/riscv/Makefile
riscv: Improve stack randomisation on RV64
riscv: defconfig: enable NLS_CODEPAGE_437, NLS_ISO8859_1
riscv: defconfig: enable BLK_DEV_NVME
Pull coccinelle updates from Julia Lawall:
"These changes update some existing semantic patches with
respect to some recent changes in the kernel.
Specifically, the change to kvmalloc.cocci searches for
kfree_sensitive rather than kzfree, and the change to
use_after_iter.cocci adds list_entry_is_head as a valid
use of a list iterator index variable after the end of
the loop"
* 'for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/jlawall/linux:
scripts: coccinelle: allow list_entry_is_head() to use pos
coccinelle: api: rename kzfree to kfree_sensitive
Picking the changes from:
17ce9c61c7 ("drm: document DRM_IOCTL_MODE_RMFB")
Doesn't result in any tooling changes:
$ tools/perf/trace/beauty/drm_ioctl.sh > before
$ cp include/uapi/drm/drm.h tools/include/uapi/drm/drm.h
$ tools/perf/trace/beauty/drm_ioctl.sh > after
$ diff -u before after
Silencing these perf build warnings:
Warning: Kernel ABI header at 'tools/include/uapi/drm/drm.h' differs from latest version at 'include/uapi/drm/drm.h'
diff -u tools/include/uapi/drm/drm.h include/uapi/drm/drm.h
Cc: Simon Ser <contact@emersion.fr>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
To pick the changes in:
b65a948973 ("drm/i915/userptr: Probe existence of backing struct pages upon creation")
ee242ca704 ("drm/i915/guc: Implement GuC priority management")
81340cf3bd ("drm/i915/uapi: reject set_domain for discrete")
7961c5b60f ("drm/i915: Add TTM offset argument to mmap.")
aef7b67a79 ("drm/i915/uapi: convert drm_i915_gem_userptr to kernel doc")
e7737b67ab ("drm/i915/uapi: reject caching ioctls for discrete")
3aa8c57fe2 ("drm/i915/uapi: convert drm_i915_gem_set_domain to kernel doc")
289f5a7200 ("drm/i915/uapi: convert drm_i915_gem_caching to kernel doc")
4a766ae40e ("drm/i915: Drop the CONTEXT_CLONE API (v2)")
6ff6d61dd2 ("drm/i915: Drop I915_CONTEXT_PARAM_NO_ZEROMAP")
fe4751c3d5 ("drm/i915: Drop I915_CONTEXT_PARAM_RINGSIZE")
577729533c ("drm/i915: Document the Virtual Engine uAPI")
c649432e86 ("drm/i915: Fix busy ioctl commentary")
That doesn't result in any changes to tooling as no new ioctl were
added (at least not perceived by tools/perf/trace/beauty/drm_ioctl.sh).
Addressing this perf build warning:
Warning: Kernel ABI header at 'tools/include/uapi/drm/i915_drm.h' differs from latest version at 'include/uapi/drm/i915_drm.h'
diff -u tools/include/uapi/drm/i915_drm.h include/uapi/drm/i915_drm.h
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Jason Ekstrand <jason@jlekstrand.net>
Cc: John Harrison <John.C.Harrison@Intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
To pick the change in:
7957d93bf3 ("block: add ioctl to read the disk sequence number")
It adds a new ioctl, but we are still not using that to generate tables
for 'perf trace', so no changes in tooling.
This silences this perf build warning:
Warning: Kernel ABI header at 'tools/include/uapi/linux/fs.h' differs from latest version at 'include/uapi/linux/fs.h'
diff -u tools/include/uapi/linux/fs.h include/uapi/linux/fs.h
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Matteo Croce <mcroce@microsoft.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
