[Intel-gfx] [PATCH] drm/i915: Prevent signals from interrupting memory recovery

[Ben Widawsky]

On Tue,  4 Sep 2012 21:00:58 +0100
Chris Wilson <chris at chris-wilson.co.uk> wrote:

> Just a spark of an idea to see if this is valid.
> 
> Given extreme memory pressure where we must zap our own caches and
> bound buffers or else we fail to allocate a structure, we have a
> choice of propagating that interrupt back to userspace or to quietly
> suppress it in the hope of making the allocation.
> i915_gem_shrink_all() is a likely candidate for that last ditch
> effort that currently fails to propagate the interruption back...

What's the BKM for making the memory all go bye-bye (ie. how to test
this patch a bit)?

-- 
Ben Widawsky, Intel Open Source Technology Center