From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Wu Fengguang <fengguang.wu@intel.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Ingo Molnar <mingo@elte.hu>, Lai Jiangshan <laijs@cn.fujitsu.com>,
Frederic Weisbecker <fweisbec@gmail.com>,
Carsten Emde <cbe@osadl.org>
Subject: Re: linux-next 20111025: warnings in rcu_idle_exit_common()/rcu_idle_enter_common()
Date: Wed, 2 Nov 2011 08:14:02 -0700 [thread overview]
Message-ID: <20111102151402.GM2287@linux.vnet.ibm.com> (raw)
In-Reply-To: <1320245512.4793.29.camel@gandalf.stny.rr.com>
On Wed, Nov 02, 2011 at 10:51:52AM -0400, Steven Rostedt wrote:
> On Wed, 2011-11-02 at 07:44 -0700, Paul E. McKenney wrote:
>
> > rcu: Fix idle-task checks
> >
> > RCU has traditionally relied on idle_cpu() to determine whether a given
> > CPU is running in the context of an idle task, but recent changes have
> > invalidated this approach. This commit therefore switches from idle_cpu
> > to "current->pid != 0".
> >
> > Suggested-by: Carsten Emde <C.Emde@osadl.org>
>
>
>
> > Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org>
> > Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
>
>
> I always knew you had a split personality Paul ;)
Ah, but which is the Good Paul and which is the Evil Paul? ;-)
Thanx, Paul
next prev parent reply other threads:[~2011-11-02 15:26 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-31 8:26 linux-next 20111025: warnings in rcu_idle_exit_common()/rcu_idle_enter_common() Wu Fengguang
2011-10-31 9:51 ` Paul E. McKenney
2011-10-31 10:43 ` Wu Fengguang
2011-10-31 11:41 ` Wu Fengguang
2011-10-31 12:19 ` Paul E. McKenney
2011-10-31 15:44 ` Steven Rostedt
2011-11-01 0:34 ` Paul E. McKenney
2011-11-01 7:07 ` Wu Fengguang
2011-11-01 14:36 ` Carsten Emde
2011-11-01 15:03 ` Paul E. McKenney
2011-11-01 16:00 ` Paul E. McKenney
2011-11-01 16:32 ` Wu Fengguang
2011-11-02 14:44 ` Paul E. McKenney
2011-11-02 14:51 ` Steven Rostedt
2011-11-02 15:14 ` Paul E. McKenney [this message]
2011-11-02 15:43 ` Steven Rostedt
2011-11-03 16:09 ` Paul E. McKenney
2011-11-02 14:56 ` Steven Rostedt
2011-11-02 15:01 ` Wu Fengguang
2011-11-02 15:14 ` Paul E. McKenney
2011-11-02 15:14 ` Paul E. McKenney
2011-10-31 12:31 ` Wu Fengguang
[not found] ` <20111031123708.GA6839@localhost>
2011-10-31 22:14 ` Paul E. McKenney
2011-11-10 16:35 ` Peter Zijlstra
2011-11-10 17:20 ` Paul E. McKenney
2011-11-10 18:33 ` Peter Zijlstra
2011-11-01 17:34 ` Frederic Weisbecker
2011-11-01 18:36 ` Paul E. McKenney
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