drm/i915/gem: Poison stolen pages before use

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When allocating objects from stolen, memset() the backing store to
POISON_INUSE (0x5a) to help identify any uninitialised use of a stolen
object.

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/20201019165005.18128-1-chris@chris-wilson.co.uk

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Chris Wilson 2020-10-19 17:50:04 +01:00

parent fa812ce96a

commit d7085b0faa

1 changed files with 45 additions and 0 deletions

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drivers/gpu/drm/i915/gem/i915_gem_stolen.c

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