On 21/06/2019 14:05, Chris Wilson wrote:
i915_gem_wait_for_idle() and i915_retire_requests() introduce a dependency on the timeline->mutex. This is problematic as we want to later perform allocations underneath i915_active.mutex, forming a link between the shrinker, the timeline and active mutexes. Nip this cycle in the bud by removing the acquisition of the timeline mutex (i.e. retiring) from inside the shrinker. Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>Reviewed-by: Matthew Auld <matthew.auld@xxxxxxxxx>
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