From: Peter Zijlstra <peterz@infradead.org>
To: Michael wang <wangyun@linux.vnet.ibm.com>
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: Tue, 22 Oct 2013 22:46:59 +0200 [thread overview]
Message-ID: <20131022204659.GE2490@laptop.programming.kicks-ass.net> (raw)
In-Reply-To: <52649F5E.2080303@linux.vnet.ibm.com>
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..
next prev parent reply other threads:[~2013-10-22 20:47 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-19 0:51 Fengguang Wu
2013-10-21 3:28 ` Michael wang
2013-10-22 20:46 ` Peter Zijlstra [this message]
2013-10-23 2:40 ` Michael wang
2013-10-22 20:46 ` Peter Zijlstra
2013-10-22 21:24 ` Fengguang Wu
2013-10-23 2:47 ` Michael wang
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20131022204659.GE2490@laptop.programming.kicks-ass.net \
--to=peterz@infradead.org \
--cc=fengguang.wu@intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@kernel.org \
--cc=wangyun@linux.vnet.ibm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
Powered by JetHome