[Intel-gfx] Prevent trivial oom from gem_exec_nop/sequential

[Tvrtko Ursulin]

On 15/01/2018 21:24, Chris Wilson wrote:
> About the third resend of this series that tries to curtail the prolonged
> reference lifetimes of fences via the signaler thread when the CPUs are
> saturated by interrupts.

Happens on CI, regularly, occasionally? In the real-world it shouldnt 
right? Trying to prioritize, spotted the last patch in the series 
rewriting breadcrumbs so grumble. :)

Regards,

Tvrtko