Messages in this thread | | | From | Eric Anholt <> | Subject | Re: [PATCH] drm/sched: Always trace the dependencies we wait on, to fix a race. | Date | Thu, 07 Feb 2019 15:10:34 -0800 |
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"Koenig, Christian" <Christian.Koenig@amd.com> writes:
> Am 07.12.18 um 20:16 schrieb Eric Anholt: >> The entity->dependency can go away completely once we've called >> drm_sched_entity_add_dependency_cb() (if the cb is called before we >> get around to tracing). The tracepoint is more useful if we trace >> every dependency instead of just ones that get callbacks installed, >> anyway, so just do that. >> >> Fixes any easy-to-produce OOPS when tracing the scheduler on V3D with >> "perf record -a -e gpu_scheduler:.\* glxgears" and DEBUG_SLAB enabled. >> >> Signed-off-by: Eric Anholt <eric@anholt.net> > > Reviewed-by: Christian König <christian.koenig@amd.com> > > Going to pick that up for upstream and will add with a CC: stable.
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