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| author | Peter Zijlstra <peterz@infradead.org> | 2015-05-27 11:09:36 +0930 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2015-05-28 11:32:06 +0930 |
| commit | 7fc26327b75685f37f58d64bdb061460f834f80d (patch) | |
| tree | 69fecbbe48ac91608e88987c0bd0c8e5cebfa1b5 /lib | |
| parent | 0a04b0166929405cd833c1cc40f99e862b965ddc (diff) | |
| download | op-kernel-dev-7fc26327b75685f37f58d64bdb061460f834f80d.zip op-kernel-dev-7fc26327b75685f37f58d64bdb061460f834f80d.tar.gz | |
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>
Diffstat (limited to 'lib')
0 files changed, 0 insertions, 0 deletions
