All of lore.kernel.org
 help / color / mirror / Atom feed
From: Peter Zijlstra <peterz@infradead.org>
To: xlpang@redhat.com
Cc: Steven Rostedt <rostedt@goodmis.org>,
	linux-kernel@vger.kernel.org, Juri Lelli <juri.lelli@arm.com>,
	Ingo Molnar <mingo@redhat.com>,
	Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH] sched/deadline/rtmutex: Fix a PI crash for deadline tasks
Date: Tue, 12 Apr 2016 17:51:49 +0200	[thread overview]
Message-ID: <20160412155149.GJ1087@worktop> (raw)
In-Reply-To: <570C6694.50803@redhat.com>

On Tue, Apr 12, 2016 at 11:08:04AM +0800, Xunlei Pang wrote:
> I spotted another issue, we access pi_task without any lock in enqueue_task_dl(),

OK, so I'm on the road and entirely jetlagged, but how can
enqueue_task_dl() not have rq->lock held?

  reply	other threads:[~2016-04-12 15:51 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-01 11:00 [PATCH] sched/deadline/rtmutex: Fix a PI crash for deadline tasks Xunlei Pang
2016-04-01 11:38 ` Peter Zijlstra
2016-04-01 12:23   ` Xunlei Pang
2016-04-01 13:12     ` Peter Zijlstra
2016-04-01 13:34       ` Xunlei Pang
2016-04-01 21:51         ` Peter Zijlstra
2016-04-02 10:19           ` Xunlei Pang
2016-04-05  8:38           ` Xunlei Pang
2016-04-05  9:19             ` Peter Zijlstra
2016-04-05  9:29               ` Peter Zijlstra
2016-04-05 10:48                 ` Xunlei Pang
2016-04-05 11:32                   ` Peter Zijlstra
2016-04-08 16:25                 ` Steven Rostedt
2016-04-08 17:38                   ` Peter Zijlstra
2016-04-08 18:50                     ` Steven Rostedt
2016-04-08 18:59                       ` Peter Zijlstra
2016-04-08 19:15                         ` Steven Rostedt
2016-04-08 19:28                           ` Steven Rostedt
2016-04-09  3:27                             ` Xunlei Pang
2016-04-09  3:25                         ` Xunlei Pang
2016-04-09 13:29                           ` Peter Zijlstra
2016-04-10  8:22                             ` Xunlei Pang
2016-04-12  3:08                               ` Xunlei Pang
2016-04-12 15:51                                 ` Peter Zijlstra [this message]
2016-04-13  2:13                                   ` Xunlei Pang

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=20160412155149.GJ1087@worktop \
    --to=peterz@infradead.org \
    --cc=juri.lelli@arm.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@redhat.com \
    --cc=rostedt@goodmis.org \
    --cc=tglx@linutronix.de \
    --cc=xlpang@redhat.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.