drm/i915: Protect against request freeing during cancellation on wedging

Browse source

As soon as we mark a request as completed, it may be retired. So when
cancelling a request and marking it complete, make sure we first keep a
reference to the request.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210201085715.27435-4-chris@chris-wilson.co.uk
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

...

This commit is contained in:

Chris Wilson 2021-02-01 08:56:22 +00:00 • committed by Daniel Vetter

parent d712f4ce25

commit c10e4a7960

6 changed files with 31 additions and 24 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

19

drivers/gpu/drm/i915/gt/intel_execlists_submission.c

View file

15

drivers/gpu/drm/i915/gt/intel_reset.c

View file

2

drivers/gpu/drm/i915/gt/intel_ring_submission.c

View file

8

drivers/gpu/drm/i915/gt/mock_engine.c

View file

9

drivers/gpu/drm/i915/i915_request.c

View file

2

drivers/gpu/drm/i915/i915_request.h

View file