Re: [sched] WARNING: CPU: 0 PID: 3166 at kernel/cpu.c:84put_online_cpus()

From: Peter Zijlstra
Date: Tue Oct 22 2013 - 16:47:09 EST


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..
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