From: Peter Zijlstra <peterz@infradead.org>
To: Vincent Guittot <vincent.guittot@linaro.org>
Cc: panto@antoniou-consulting.com, smuckle@quicinc.com,
Juri Lelli <juri.lelli@gmail.com>,
mingo@elte.hu, linaro-sched-sig@lists.linaro.org,
rostedt@goodmis.org, tglx@linutronix.de, geoff@infradead.org,
efault@gmx.de, linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: Plumbers: Tweaking scheduler policy micro-conf RFP
Date: Tue, 15 May 2012 14:27:25 +0200 [thread overview]
Message-ID: <1337084845.27020.157.camel@laptop> (raw)
In-Reply-To: <1337084609.27020.156.camel@laptop>
On Tue, 2012-05-15 at 14:23 +0200, Peter Zijlstra wrote:
> -#else /* (CONFIG_SCHED_MC || CONFIG_SCHED_SMT) */
> static inline int find_new_ilb(int call_cpu)
> {
> return nr_cpu_ids;
> }
> -#endif
That was missing a hunk...
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -4524,6 +4524,11 @@ static struct {
static inline int find_new_ilb(int call_cpu)
{
+ int ilb = cpumask_first(nohz.idle_cpus_mask);
+
+ if (ilb < nr_cpu_ids && idle_cpu(ilb))
+ return ilb;
+
return nr_cpu_ids;
}
next prev parent reply other threads:[~2012-05-15 12:27 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-11 16:16 Plumbers: Tweaking scheduler policy micro-conf RFP Vincent Guittot
2012-05-11 16:26 ` Steven Rostedt
2012-05-11 16:38 ` Vincent Guittot
2012-05-15 8:41 ` Juri Lelli
2012-05-15 0:53 ` Paul E. McKenney
2012-05-15 8:02 ` Vincent Guittot
2012-05-15 8:34 ` mou Chen
2012-05-15 9:07 ` Vincent Guittot
2012-05-15 9:17 ` Pantelis Antoniou
2012-05-15 10:28 ` Peter Zijlstra
2012-05-15 11:35 ` Pantelis Antoniou
2012-05-15 11:58 ` Peter Zijlstra
2012-05-15 12:32 ` Pantelis Antoniou
2012-05-15 12:59 ` Peter Zijlstra
2012-05-19 14:58 ` Luming Yu
2012-05-15 20:26 ` valdis.kletnieks
2012-05-15 20:33 ` Peter Zijlstra
2012-05-16 12:08 ` Pantelis Antoniou
2012-05-15 12:23 ` Peter Zijlstra
2012-05-15 12:27 ` Peter Zijlstra [this message]
2012-05-15 12:57 ` Vincent Guittot
2012-05-15 13:00 ` Peter Zijlstra
2012-05-15 15:05 ` Vincent Guittot
2012-05-15 15:19 ` Paul E. McKenney
2012-05-15 15:27 ` Vincent Guittot
2012-05-15 15:35 ` Peter Zijlstra
2012-05-15 15:45 ` Peter Zijlstra
2012-05-16 18:30 ` Peter Zijlstra
2012-05-19 17:08 ` Linus Torvalds
2012-05-19 22:55 ` Peter Zijlstra
2012-05-22 2:38 ` Chen
2012-05-22 5:14 ` Chen
2012-05-30 7:20 ` Ingo Molnar
2012-05-23 15:03 ` Ingo Molnar
2012-05-23 15:43 ` Joe Perches
2012-05-23 15:50 ` Ingo Molnar
2012-05-23 15:56 ` Joe Perches
2012-05-23 15:59 ` Ingo Molnar
2012-05-29 18:17 ` [PATCH] printk: Shrink printk_sched buffer size, eliminate it when !CONFIG_PRINTK Joe Perches
2012-06-05 16:04 ` Joe Perches
2012-06-06 7:25 ` Ingo Molnar
2012-06-06 7:33 ` Ingo Molnar
2012-06-06 7:42 ` Joe Perches
2012-05-19 23:13 ` Plumbers: Tweaking scheduler policy micro-conf RFP Peter Zijlstra
2012-05-19 23:22 ` Peter Zijlstra
2012-05-21 7:16 ` Ingo Molnar
2012-05-21 16:56 ` Linus Torvalds
2012-05-16 18:49 ` Vaidyanathan Srinivasan
2012-05-16 19:40 ` Peter Zijlstra
2012-05-16 21:20 ` Vincent Guittot
[not found] ` <20120518161817.GE18312@e103034-lin.cambridge.arm.com>
2012-05-18 16:24 ` Morten Rasmussen
2012-05-18 16:39 ` Peter Zijlstra
2012-05-18 16:46 ` Pantelis Antoniou
2012-05-15 16:30 ` Vaidyanathan Srinivasan
2012-05-15 18:13 ` Vincent Guittot
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