[Intel-gfx] [PATCH 17/20] drm/i915/selftest: Refactor reset locking

[Chris Wilson]

Quoting Michel Thierry (2017-07-24 20:25:52)
> On 7/21/2017 5:32 AM, Chris Wilson wrote:
> > Extract the common barrier against rogue hangchecks from disrupting our
> > direct testing of resets, and in the process expand the lock to include
> > the per-engine reset shortcuts.
> > 
> > Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> > Cc: Mika Kuoppala <mika.kuoppala at linux.intel.com>
> > Cc: Michel Thierry <michel.thierry at intel.com>
> 
> I don't know how you trigger that, but

Unexplained bugs in hangcheck, it likes to fire for the active ring
whilst we are running live_hangcheck
-Chris