From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Fri, 31 Jan 2014 11:34:57 +0000 (+0000)
Subject: drm/i915: Convert EFAULT into a silent SIGBUS
X-Git-Tag: v3.15-rc1~51^2~62^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=45d678173ad1ab4c3e2f8870e40aa3194bf3763d;p=pandora-kernel.git

drm/i915: Convert EFAULT into a silent SIGBUS

EFAULT will be a possible return code where backing storage is
transient, such after it is purged by madvise. As such it is to be
expected and so should not trigger a WARN inside i915_gem_fault() but be
converted silently to SIGBUS.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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