linux-kernel - Re: [PATCH] sched: remove extra put_online_cpus() inside sched

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Message-ID: <526DCEEC.1090308@linux.vnet.ibm.com>
Date:	Mon, 28 Oct 2013 10:41:48 +0800
From:	Michael wang <wangyun@...ux.vnet.ibm.com>
To:	Ingo Molnar <mingo@...nel.org>
CC:	Peter Zijlstra <peterz@...radead.org>,
	Fengguang Wu <fengguang.wu@...el.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] sched: remove extra put_online_cpus() inside sched_setaffinity()

Hi, Ingo

On 10/25/2013 07:48 PM, Ingo Molnar wrote:
[snip]
>> ---
>>  kernel/sched/core.c |    1 -
>>  1 file changed, 1 deletion(-)
>>
>> diff --git a/kernel/sched/core.c b/kernel/sched/core.c
>> index c06b8d3..7c61f31 100644
>> --- a/kernel/sched/core.c
>> +++ b/kernel/sched/core.c
>> @@ -3716,7 +3716,6 @@ long sched_setaffinity(pid_t pid, const struct cpumask *in_mask)
>>         p = find_process_by_pid(pid);
>>         if (!p) {
>>                 rcu_read_unlock();
>> -               put_online_cpus();
>>                 return -ESRCH;
>>         }
> 
> The patch is whitespace damaged.

Forgive me for the silly mistake... the line may be cursed... will
recheck and send out the right format, thanks for the notify :)

Regards,
Michael Wang

> 
> Thanks,
> 
> 	Ingo
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