diff options
| author | Peter Zijlstra <[email protected]> | 2015-05-27 11:09:36 +0930 |
|---|---|---|
| committer | Rusty Russell <[email protected]> | 2015-05-28 11:32:06 +0930 |
| commit | 7fc26327b75685f37f58d64bdb061460f834f80d (patch) | |
| tree | 69fecbbe48ac91608e88987c0bd0c8e5cebfa1b5 /tools/perf/util/scripting-engines/trace-event-perl.c | |
| 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 <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Signed-off-by: Rusty Russell <[email protected]>
Diffstat (limited to 'tools/perf/util/scripting-engines/trace-event-perl.c')
0 files changed, 0 insertions, 0 deletions