| commit | 7fc26327b75685f37f58d64bdb061460f834f80d | [log] [tgz] |
|---|---|---|
| author | Peter Zijlstra <peterz@infradead.org> | Wed May 27 11:09:36 2015 +0930 |
| committer | Rusty Russell <rusty@rustcorp.com.au> | Thu May 28 11:32:06 2015 +0930 |
| tree | 69fecbbe48ac91608e88987c0bd0c8e5cebfa1b5 | |
| parent | 0a04b0166929405cd833c1cc40f99e862b965ddc [diff] |
seqlock: Introduce raw_read_seqcount_latch() Because with latches there is a strict data dependency on the seq load we can avoid the rmb in favour of a read_barrier_depends. Suggested-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>