diff options
| author | Thomas Gleixner <[email protected]> | 2011-12-01 00:04:00 +0100 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2012-03-01 10:28:04 +0100 |
| commit | 63b2001169e75cd71e917ec953fdab572e3f944a (patch) | |
| tree | 3338725751540571a7d490b252f1b450554a6847 /tools/perf/scripts/python/syscall-counts-by-pid.py | |
| parent | ba74c1448f127649046615ec017bded7b2a76f29 (diff) | |
sched/wait: Add __wake_up_all_locked() API
For code which protects the waitqueue itself with another lock it
makes no sense to acquire the waitqueue lock for wakeup all. Provide
__wake_up_all_locked().
This is an optimization on the vanilla kernel (to be used by the
PCI code) and an important semantic distinction on -rt.
Signed-off-by: Thomas Gleixner <[email protected]>
Acked-by: Peter Zijlstra <[email protected]>
Link: http://lkml.kernel.org/n/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts-by-pid.py')
0 files changed, 0 insertions, 0 deletions