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Date: Tue, 18 Oct 2016 14:57:18 +0200
From: Peter Zijlstra <peterz@infradead.org>
To: Linus Torvalds <torvalds@linux-foundation.org>,
        Waiman Long <waiman.long@hpe.com>, Jason Low <jason.low2@hpe.com>,
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Cc: Chris Wilson <chris@chris-wilson.co.uk>,
        Daniel Vetter <daniel.vetter@ffwll.ch>,
        Rob Clark <robdclark@gmail.com>
Subject: Re: [PATCH -v4 1/8] locking/drm: Kill mutex trickery
Message-ID: <20161018125718.GG3157@twins.programming.kicks-ass.net>
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On Tue, Oct 18, 2016 at 02:48:41PM +0200, Peter Zijlstra wrote:
> On Fri, Oct 07, 2016 at 04:52:44PM +0200, Peter Zijlstra wrote:
> > Poking at lock internals is not cool. Since I'm going to change the
> > implementation this will break, take it out.
> > 
> > Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
> > Cc: Chris Wilson <chris@chris-wilson.co.uk>
> > Cc: Rob Clark <robdclark@gmail.com>
> > Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
> > ---
> >  drivers/gpu/drm/i915/i915_gem_shrinker.c |   26 +++-----------------------
> >  drivers/gpu/drm/msm/msm_gem_shrinker.c   |   23 +++--------------------
> >  2 files changed, 6 insertions(+), 43 deletions(-)
> 
> OK, so it appears that i915 changed their locking around and got rid of
> this thing entirely. Much appreciated Chris!!

Hmm, I might have spoken too soon. My patch conflicted and I seem to
have read too much in the Changelog of 3b4e896f14b1 ("drm/i915: Remove
unused no-shrinker-steal").