From: Mike Galbraith <efault@gmx.de>
To: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Ingo Molnar <mingo@elte.hu>, LKML <linux-kernel@vger.kernel.org>
Subject: Re: [patch 12/12] sched: remove AFFINE_WAKEUPS feature
Date: Thu, 11 Mar 2010 11:04:50 +0100 [thread overview]
Message-ID: <1268301890.6785.50.camel@marge.simson.net> (raw)
In-Reply-To: <1268300950.6785.27.camel@marge.simson.net>
sched: remove AFFINE_WAKEUPS feature
Disabling affine wakeups is too horrible to contemplate. Remove it.
Signed-off-by: Mike Galbraith <efault@gmx.de>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <new-submission>
---
kernel/sched_fair.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
Index: linux-2.6/kernel/sched_fair.c
===================================================================
--- linux-2.6.orig/kernel/sched_fair.c
+++ linux-2.6/kernel/sched_fair.c
@@ -1433,8 +1433,7 @@ static int select_task_rq_fair(struct ta
int sync = wake_flags & WF_SYNC;
if (sd_flag & SD_BALANCE_WAKE) {
- if (sched_feat(AFFINE_WAKEUPS) &&
- cpumask_test_cpu(cpu, &p->cpus_allowed))
+ if (cpumask_test_cpu(cpu, &p->cpus_allowed))
want_affine = 1;
new_cpu = prev_cpu;
}
next prev parent reply other threads:[~2010-03-11 10:05 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-11 9:49 [patch 0/12] sched: fastpath cycle recovery Mike Galbraith
2010-03-11 9:50 ` [patch 1/12] sched: ratelimit nohz Mike Galbraith
2010-03-11 18:30 ` [tip:sched/core] sched: Rate-limit nohz tip-bot for Mike Galbraith
2010-03-11 9:51 ` [patch 2/12] sched: remove avg_wakeup Mike Galbraith
2010-03-11 18:30 ` [tip:sched/core] sched: Remove avg_wakeup tip-bot for Mike Galbraith
2010-03-11 9:52 ` [patch 3/12] sched: remove avg_overlap Mike Galbraith
2010-03-11 18:31 ` [tip:sched/core] sched: Remove avg_overlap tip-bot for Mike Galbraith
2010-03-11 9:53 ` [patch 4/12] sched: cleanup/optimize clock updates Mike Galbraith
2010-03-11 18:31 ` [tip:sched/core] sched: Cleanup/optimize " tip-bot for Mike Galbraith
2010-03-11 9:54 ` [patch 5/12] sched: tweak sched_latency and min_granularity Mike Galbraith
2010-03-11 18:31 ` [tip:sched/core] sched: Tweak " tip-bot for Mike Galbraith
2010-03-11 9:56 ` [patch 6/12] sched: fix select_idle_sibling() Mike Galbraith
2010-03-11 18:32 ` [tip:sched/core] sched: Fix select_idle_sibling() tip-bot for Mike Galbraith
2010-03-11 9:57 ` [patch 7/12] sched: remove NORMALIZED_SLEEPER Mike Galbraith
2010-03-11 18:32 ` [tip:sched/core] sched: Remove NORMALIZED_SLEEPER tip-bot for Mike Galbraith
2010-03-11 9:58 ` [patch 8/12] sched: remove FAIR_SLEEPERS feature Mike Galbraith
2010-03-11 18:32 ` [tip:sched/core] sched: Remove " tip-bot for Mike Galbraith
2010-03-11 9:59 ` [patch 9/12] sched: remove WAKEUP_SYNC feature Mike Galbraith
2010-03-11 18:32 ` [tip:sched/core] sched: Remove " tip-bot for Mike Galbraith
2010-03-11 10:01 ` [patch 11/12] sched: remove ASYM_GRAN feature Mike Galbraith
2010-03-11 18:33 ` [tip:sched/core] sched: Remove " tip-bot for Mike Galbraith
2010-03-11 10:03 ` [patch 10/12] sched: remove SYNC_WAKEUPS feature Mike Galbraith
2010-03-11 18:33 ` [tip:sched/core] sched: Remove " tip-bot for Mike Galbraith
2010-03-11 10:04 ` Mike Galbraith [this message]
2010-03-11 18:33 ` [tip:sched/core] sched: Remove AFFINE_WAKEUPS feature tip-bot for Mike Galbraith
2010-03-12 3:23 ` Yong Zhang
2010-03-12 4:37 ` Mike Galbraith
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