Re: [Intel-gfx] [PATCH 07/25] drm/i915: Trim delays for wedging
Chris Wilson writes: > CI still reports the occasional multi-second delay for resets, in > particular along the wedge+recovery paths. As the likely, and unbounded, > delay here is from sync_rcu, use the expedited variant instead. > > Testcase: igt/gem_eio/unwedge-stress > Signed-off-by: Chris Wilson > Cc: Mika Kuoppala Reviewed-by: Mika Kuoppala > --- > drivers/gpu/drm/i915/i915_reset.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/i915/i915_reset.c > b/drivers/gpu/drm/i915/i915_reset.c > index 358ab1d51570..9f6da5e4b007 100644 > --- a/drivers/gpu/drm/i915/i915_reset.c > +++ b/drivers/gpu/drm/i915/i915_reset.c > @@ -835,7 +835,7 @@ static void __i915_gem_set_wedged(struct drm_i915_private > *i915) >* either this call here to intel_engine_write_global_seqno, or the one >* in nop_submit_request. >*/ > - synchronize_rcu(); > + synchronize_rcu_expedited(); > > /* Mark all executing requests as skipped */ > for_each_engine(engine, i915, id) > -- > 2.20.1 ___ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
[Intel-gfx] [PATCH 07/25] drm/i915: Trim delays for wedging
CI still reports the occasional multi-second delay for resets, in particular along the wedge+recovery paths. As the likely, and unbounded, delay here is from sync_rcu, use the expedited variant instead. Testcase: igt/gem_eio/unwedge-stress Signed-off-by: Chris Wilson Cc: Mika Kuoppala --- drivers/gpu/drm/i915/i915_reset.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_reset.c b/drivers/gpu/drm/i915/i915_reset.c index 358ab1d51570..9f6da5e4b007 100644 --- a/drivers/gpu/drm/i915/i915_reset.c +++ b/drivers/gpu/drm/i915/i915_reset.c @@ -835,7 +835,7 @@ static void __i915_gem_set_wedged(struct drm_i915_private *i915) * either this call here to intel_engine_write_global_seqno, or the one * in nop_submit_request. */ - synchronize_rcu(); + synchronize_rcu_expedited(); /* Mark all executing requests as skipped */ for_each_engine(engine, i915, id) -- 2.20.1 ___ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
