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| author | Kirill Tkhai <ktkhai@parallels.com> | 2014-10-01 01:04:44 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-10-03 05:46:56 +0200 |
| commit | 10a12983b3d437a6998b3845870e52c1c752c101 (patch) | |
| tree | 28adcb483e4fd5f1001068f5038017b14c9dbc3f /kernel | |
| parent | 347abad981c1ef815ea5ba861adba6a8c6aa1580 (diff) | |
| download | linux-10a12983b3d437a6998b3845870e52c1c752c101.tar.bz2 | |
sched/fair: Delete resched_cpu() from idle_balance()
We already reschedule env.dst_cpu in attach_tasks()->check_preempt_curr()
if this is necessary.
Furthermore, a higher priority class task may be current on dest rq,
we shouldn't disturb it.
Signed-off-by: Kirill Tkhai <ktkhai@parallels.com>
Cc: Juri Lelli <juri.lelli@gmail.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20140930210441.5258.55054.stgit@localhost
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched/fair.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index dfdcbfde2c5b..bd61cff8ee4f 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -6701,12 +6701,6 @@ more_balance: local_irq_restore(flags); - /* - * some other cpu did the load balance for us. - */ - if (cur_ld_moved && env.dst_cpu != smp_processor_id()) - resched_cpu(env.dst_cpu); - if (env.flags & LBF_NEED_BREAK) { env.flags &= ~LBF_NEED_BREAK; goto more_balance; |