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| author | Waiman Long <[email protected]> | 2014-02-03 12:18:57 +0000 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2014-06-06 05:58:29 +0000 |
| commit | bd01ec1a13f9a327950c8e3080096446c7804753 (patch) | |
| tree | 5af212f946ee023fdbadc9b14ff9e2a1431a0c72 /tools/perf/scripts/python/futex-contention.py | |
| parent | locking/rwlocks: Introduce 'qrwlocks' - fair, queued rwlocks (diff) | |
| download | kernel-bd01ec1a13f9a327950c8e3080096446c7804753.tar.gz kernel-bd01ec1a13f9a327950c8e3080096446c7804753.zip | |
x86, locking/rwlocks: Enable qrwlocks on x86
Make x86 use the fair rwlock_t.
Implement the custom queue_write_unlock() for best performance.
Signed-off-by: Waiman Long <[email protected]>
[peterz: near complete rewrite]
Signed-off-by: Peter Zijlstra <[email protected]>
Cc: Dave Jones <[email protected]>
Cc: Jeremy Fitzhardinge <[email protected]>
Cc: Konrad Rzeszutek Wilk <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Oleg Nesterov <[email protected]>
Cc: Raghavendra K T <[email protected]>
Cc: "Paul E.McKenney" <[email protected]>
Cc: [email protected]
Cc: [email protected]
Link: http://lkml.kernel.org/n/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/futex-contention.py')
0 files changed, 0 insertions, 0 deletions