From: Eric Anholt <eric@anholt.net>
Date: Mon, 9 Mar 2009 20:42:30 +0000 (-0700)
Subject: drm/i915: Fix lock order reversal in shmem pwrite path.
X-Git-Tag: v2.6.30-rc1~646^2~18
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=40123c1f8dd920dcff7a42cde5b351d7d0b0422e;p=pandora-kernel.git

drm/i915: Fix lock order reversal in shmem pwrite path.

Like the GTT pwrite path fix, this uses an optimistic path and a
fallback to get_user_pages.  Note that this means we have to stop using
vfs_write and roll it ourselves.

Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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