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

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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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Eric Anholt 2009-03-09 13:42:30 -07:00

parent 856fa1988e

commit 40123c1f8d

1 changed files with 205 additions and 20 deletions

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drivers/gpu/drm/i915/i915_gem.c

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