[Intel-gfx] [PATCH v2 1/5] drm/i915: Wait for struct_mutex inside shrinker

Joonas Lahtinen joonas.lahtinen at linux.intel.com
Wed May 24 15:31:10 UTC 2017


On ke, 2017-05-24 at 15:55 +0100, Chris Wilson wrote:
> On Wed, May 24, 2017 at 03:39:37PM +0100, Chris Wilson wrote:
> > 
> > Having resolved whether or not we would deadlock upon a call to
> > mutex_lock(&dev->struct_mutex), we can then wait for the contended
> > struct_mutex if we are not the owner. This should significantly improve
> > the chance of running the shrinker for other processes whilst the GPU is
> > busy.
> > 
> > Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> > Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
> 
> Scratch this, cyclic deadlocks with the reclaim locks instead. If BAT
> doesn't pick this up, I'll be woried.

Whole series or just this patch?

Regards, Joonas
-- 
Joonas Lahtinen
Open Source Technology Center
Intel Corporation


More information about the Intel-gfx mailing list