Commits
Eric Anholt committed 40123c1f8dd
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>