902eb748e5
With a couple more memory barriers dotted around the place we can significantly reduce the MTBF on Ivybridge. Still doesn't really help Haswell though. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Acked-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191216142409.2605211-1-chris@chris-wilson.co.uk