diff options
author | Davidlohr Bueso <[email protected]> | 2015-09-14 00:37:24 -0700 |
---|---|---|
committer | Ingo Molnar <[email protected]> | 2015-09-18 09:27:29 +0200 |
commit | c55a6ffa6285e29f874ed403979472631ec70bff (patch) | |
tree | 122677e6f6cb995ba2bf53591c9b24e8322e1ff0 /drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c | |
parent | 6e1e5196975fb7ecc501b3fe1075b77aea2b7839 (diff) |
locking/osq: Relax atomic semantics
... by using acquire/release for ops around the lock->tail. As such,
weakly ordered archs can benefit from more relaxed use of barriers
when issuing atomics.
Signed-off-by: Davidlohr Bueso <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Cc: Andrew Morton <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Paul E. McKenney <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Waiman Long <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c')
0 files changed, 0 insertions, 0 deletions