[Intel-gfx] [PATCH v2 1/2] drm/i915: EBUSY status handling added to i915_gem_fault().

[Chris Wilson]

On Wed,  3 Oct 2012 17:15:26 +0300, mika.kuoppala at intel.com wrote:
> From: Dmitry Rogozhkin <dmitry.v.rogozhkin at intel.com>
> 
> Subsequent threads returning EBUSY from vm_insert_pfn() was not handled
> correctly. As a result concurrent access from new threads to
> mmapped data caused SIGBUS.
> 
> Tested-by: Mika Kuoppala <mika.kuoppala at intel.com>
> Signed-off-by: Dmitry Rogozhkin <dmitry.v.rogozhkin at intel.com>

Fixes? Reported-by?

I would order the case slightly different so that the comment block
comes after EIO.

Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre