[Intel-gfx] [PATCH] drm/i915: Mark up obj->mm.lock for shrinker

[Joonas Lahtinen]

On ti, 2016-11-01 at 09:15 +0000, Chris Wilson wrote:
> On Tue, Nov 01, 2016 at 11:10:31AM +0200, Joonas Lahtinen wrote:
> > 
> > On ma, 2016-10-31 at 12:40 +0000, Chris Wilson wrote:
> > As discussed in IRC, I think we rather should add a lock class to
> > obj->mm, to avoid chasing these in the future.
> 
> All ears :) The complicated one isn't obj->mm, but the timeline->lock.
> That we may do engine1->tl->lock, engine2->tl->lock, request->tl->lock,
> so far.

Just realized we would have to properly reboot the kernel after each
test not to run out of locking classes...

For timeline->lock, the same thing. Just assign each timeline its own
lock class. But no bonus until we reboot enough.

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