From: Ingo Molnar <mingo@elte.hu>
To: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Yinghai Lu <yinghai@kernel.org>,
linux-kernel@vger.kernel.org, mingo@redhat.com, hpa@zytor.com,
tglx@linutronix.de
Subject: Re: [tip:core/rcu] Revert "rcu: Decrease memory-barrier usage based on semi-formal proof"
Date: Thu, 26 May 2011 22:26:53 +0200 [thread overview]
Message-ID: <20110526202653.GB2765@elte.hu> (raw)
In-Reply-To: <20110526174301.GA9649@linux.vnet.ibm.com>
* Paul E. McKenney <paulmck@linux.vnet.ibm.com> wrote:
> > > this should also solve load average artifacts - do not
> > > TASK_UNINTERRUPTIBLE tasks skew the load upwards?
> >
> > Quite possibly -- in this case the artifacts would appear just
> > after boot, and would disappear as soon as the RCU kthreads had
> > something to do.
>
> By the way, how would you like to proceed with the fixes thus far?
> I have put them on -rcu for -next testing, FWIW.
I'd suggest to push them to me ASAP, they should get to Linus before
-rc1.
Thanks,
Ingo
next prev parent reply other threads:[~2011-05-26 20:27 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <tip-80d02085d99039b3b7f3a73c8896226b0cb1ba07@git.kernel.org>
2011-05-20 21:04 ` [tip:core/rcu] Revert "rcu: Decrease memory-barrier usage based on semi-formal proof" Yinghai Lu
2011-05-20 22:42 ` Paul E. McKenney
2011-05-20 23:09 ` Yinghai Lu
2011-05-20 23:14 ` Paul E. McKenney
2011-05-20 23:16 ` Yinghai Lu
2011-05-20 23:49 ` Paul E. McKenney
2011-05-21 0:02 ` Yinghai Lu
2011-05-21 13:18 ` Paul E. McKenney
2011-05-21 14:08 ` Paul E. McKenney
2011-05-23 20:14 ` Yinghai Lu
2011-05-23 21:25 ` Paul E. McKenney
2011-05-23 22:01 ` Yinghai Lu
2011-05-23 22:55 ` Yinghai Lu
2011-05-23 22:58 ` Yinghai Lu
2011-05-24 1:18 ` Paul E. McKenney
2011-05-24 1:26 ` Yinghai Lu
2011-05-24 1:35 ` Paul E. McKenney
2011-05-24 21:23 ` Yinghai Lu
2011-05-25 0:05 ` Paul E. McKenney
2011-05-25 0:13 ` Yinghai Lu
2011-05-25 4:46 ` Paul E. McKenney
2011-05-25 7:24 ` Ingo Molnar
2011-05-25 20:48 ` Paul E. McKenney
2011-05-25 7:18 ` Ingo Molnar
2011-05-25 0:16 ` Paul E. McKenney
2011-05-25 0:10 ` Yinghai Lu
2011-05-25 4:52 ` Paul E. McKenney
2011-05-25 7:27 ` Ingo Molnar
2011-05-25 20:47 ` Paul E. McKenney
2011-05-25 20:52 ` Ingo Molnar
2011-05-25 22:15 ` Yinghai Lu
2011-05-25 22:34 ` Paul E. McKenney
2011-05-25 22:49 ` Yinghai Lu
2011-05-26 1:13 ` Paul E. McKenney
2011-05-26 1:30 ` Paul E. McKenney
2011-05-26 6:13 ` Ingo Molnar
2011-05-26 14:25 ` Paul E. McKenney
2011-05-26 17:43 ` Paul E. McKenney
2011-05-26 20:26 ` Ingo Molnar [this message]
2011-05-26 15:08 ` Yinghai Lu
2011-05-26 16:28 ` Paul E. McKenney
2011-05-28 1:04 ` Paul E. McKenney
2011-05-28 4:03 ` Yinghai Lu
2011-05-28 6:38 ` Paul E. McKenney
2011-05-24 1:12 ` Paul E. McKenney
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