diff options
| author | Mario Kleiner <mario.kleiner@tuebingen.mpg.de> | 2011-02-21 05:42:01 +0100 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2011-02-23 10:08:46 +1000 |
| commit | bc21512835a72bc1eab7abd7d8a1bff0435591d7 (patch) | |
| tree | 015b9212d6fbd176dcbe141d5d96ee30d4bf1a76 /drivers/char/lp.c | |
| parent | c4cc383915549cf14f027f374904e30c13653dac (diff) | |
drm/vblank: Use memory barriers optimized for atomic_t instead of generics.
Documentation/atomic_ops.txt tells us that there are memory
barriers optimized for atomic_inc and other atomic_t ops.
Use these instead of smp_wmb(), and also to make the required
memory barriers around vblank counter increments more explicit.
Signed-off-by: Mario Kleiner <mario.kleiner@tuebingen.mpg.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/char/lp.c')
0 files changed, 0 insertions, 0 deletions