[Intel-gfx] [PATCH] drm/i915/userptr: Reinvent GGTT self-faulting protection

[Chris Wilson]

On Thu, Mar 16, 2017 at 09:56:19AM +0000, Tvrtko Ursulin wrote:
> >Fixes: 1c8782dd313e ("drm/i915/userptr: Disallow wrapping GTT into a userptr")
> >Testcase: igt/gem_userptr_blits/map-fixed-invalidate-gup
> >Testcase: igt/gem_userptr_blits/dmabuf-sync
> >Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> >Cc: Michał Winiarski <michal.winiarski at intel.com>
> >Cc: Tvrtko Ursulin <tvrtko.ursulin at intel.com>

> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>

I added a bit of blurb to the changelog to explain how the patch
circumvents the struct_mutex recursion (virtually cut'n'paste from our
irc discussion).

Pushed, thanks
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre