From: Michael wang <wangyun@linux.vnet.ibm.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Fengguang Wu <fengguang.wu@intel.com>,
Ingo Molnar <mingo@kernel.org>,
linux-kernel@vger.kernel.org
Subject: Re: [sched] WARNING: CPU: 0 PID: 3166 at kernel/cpu.c:84 put_online_cpus()
Date: Wed, 23 Oct 2013 10:40:53 +0800 [thread overview]
Message-ID: <52673735.3020809@linux.vnet.ibm.com> (raw)
In-Reply-To: <20131022204659.GE2490@laptop.programming.kicks-ass.net>
On 10/23/2013 04:46 AM, Peter Zijlstra wrote:
> On Mon, Oct 21, 2013 at 11:28:30AM +0800, Michael wang wrote:
>> Hi, Fengguang
>>
>> On 10/19/2013 08:51 AM, Fengguang Wu wrote:
>>> Greetings,
>>
>> Will this do any helps?
>>
>> 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;
>> }
>
> Just so..
Yeah... anyway, will send out a formal patch later :)
Regards,
Michael Wang
> --
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next prev parent reply other threads:[~2013-10-23 2:41 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-19 0:51 [sched] WARNING: CPU: 0 PID: 3166 at kernel/cpu.c:84 put_online_cpus() Fengguang Wu
2013-10-21 3:28 ` Michael wang
2013-10-22 20:46 ` Peter Zijlstra
2013-10-23 2:40 ` Michael wang [this message]
2013-10-22 20:46 ` Peter Zijlstra
2013-10-22 21:24 ` Fengguang Wu
2013-10-23 2:47 ` Michael wang
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