Re: [PATCH] drm/i915: Remove nested work in gpu error handling

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On Wed, Jan 28, 2015 at 03:30:35PM +0000, Chris Wilson wrote:
> On Wed, Jan 28, 2015 at 05:03:14PM +0200, Mika Kuoppala wrote:
> > Now when we declare gpu errors only through our own dedicated
> > hangcheck workqueue there is no need to have a separate workqueue
> > for handling the resetting and waking up the clients as the deadlock
> > concerns are no more.
> > 
> > The only exception is i915_debugfs::i915_set_wedged, which triggers
> > error handling through process context. However as this is only used through
> > test harness it is responsibility for test harness not to introduce hangs
> > through both debug interface and through hangcheck mechanism at the same time.
> > 
> > Remove gpu_error.work and let the hangcheck work do the tasks it used to.
> > 
> > v2: Add a big warning sign into i915_debugfs::i915_set_wedged (Chris)
> > 
> > Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> > Signed-off-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxx>
> Reviewed-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>

Queued for -next, thanks for the patch.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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