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

[Chris Wilson]

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.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre