diff options
| author | Mike Galbraith <efault@gmx.de> | 2010-03-11 11:16:43 -0500 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-03-11 12:32:53 -0500 |
| commit | c6ee36c423c3ed1fb86bb3eabba9fc256a300d16 (patch) | |
| tree | a7c98864e3a5c84fac57e8f0ce8777f83df81372 /kernel/sched_features.h | |
| parent | f2e74eeac03ffb779d64b66a643c5e598145a28b (diff) | |
sched: Remove SYNC_WAKEUPS feature
Sync wakeups are critical functionality with a long history. Remove it, we don't
need the branch or icache footprint.
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <1268301817.6785.47.camel@marge.simson.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/sched_features.h')
| -rw-r--r-- | kernel/sched_features.h | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/kernel/sched_features.h b/kernel/sched_features.h index 1cb7c4701bf3..f54b6f9cc3dd 100644 --- a/kernel/sched_features.h +++ b/kernel/sched_features.h | |||
| @@ -23,14 +23,6 @@ SCHED_FEAT(WAKEUP_PREEMPT, 1) | |||
| 23 | SCHED_FEAT(ASYM_GRAN, 1) | 23 | SCHED_FEAT(ASYM_GRAN, 1) |
| 24 | 24 | ||
| 25 | /* | 25 | /* |
| 26 | * Use the SYNC wakeup hint, pipes and the likes use this to indicate | ||
| 27 | * the remote end is likely to consume the data we just wrote, and | ||
| 28 | * therefore has cache benefit from being placed on the same cpu, see | ||
| 29 | * also AFFINE_WAKEUPS. | ||
| 30 | */ | ||
| 31 | SCHED_FEAT(SYNC_WAKEUPS, 1) | ||
| 32 | |||
| 33 | /* | ||
| 34 | * Based on load and program behaviour, see if it makes sense to place | 26 | * Based on load and program behaviour, see if it makes sense to place |
| 35 | * a newly woken task on the same cpu as the task that woke it -- | 27 | * a newly woken task on the same cpu as the task that woke it -- |
| 36 | * improve cache locality. Typically used with SYNC wakeups as | 28 | * improve cache locality. Typically used with SYNC wakeups as |