Re: [Intel-gfx] [PATCH] RFC: drm/i915: annote drop_caches debugfs interface with lockdep

2017-03-10 Thread Chris Wilson
On Fri, Mar 10, 2017 at 02:31:22PM +0100, Daniel Vetter wrote: > The trouble we have is that we can't really test all the shrinker > recursion stuff exhaustively in BAT because any kind of thrashing > stress test just takes too long. > > But that leaves a really big gap open, since shrinker

[Intel-gfx] [PATCH] RFC: drm/i915: annote drop_caches debugfs interface with lockdep

2017-03-10 Thread Daniel Vetter
The trouble we have is that we can't really test all the shrinker recursion stuff exhaustively in BAT because any kind of thrashing stress test just takes too long. But that leaves a really big gap open, since shrinker recursions are one of the most annoying bugs. Now lockdep already has support