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From: Nathan Lynch <ntl@pobox.com>
To: Zwane Mwaikambo <zwane@arm.linux.org.uk>
Cc: lkml <linux-kernel@vger.kernel.org>,
	Rusty Russell <rusty@rustcorp.com.au>,
	Ingo Molnar <mingo@elte.hu>
Subject: Re: 2.6-bk: cpu hotplug + preempt = smp_processor_id warnings galore
Date: Tue, 15 Feb 2005 11:26:34 -0600	[thread overview]
Message-ID: <20050215172634.GB22304@otto> (raw)
In-Reply-To: <Pine.LNX.4.61.0502150828520.26742@montezuma.fsmlabs.com>

On Tue, Feb 15, 2005 at 08:29:33AM -0700, Zwane Mwaikambo wrote:
> On Mon, 14 Feb 2005, Nathan Lynch wrote:
> 
> > It looks as if we need to explicitly bind worker threads to a newly
> > onlined cpu.  This gets rid of the smp_processor_id warnings from
> > cache_reap.  Adding a little more instrumentation to the debug
> > smp_processor_id showed that new worker threads were actually running
> > on the wrong cpu...
> > 
> > Does this look ok?
> 
> Yeah, does that patch suffice for all the warnings?

Nope, ksoftirqd still requires your patch in order to kill the
warnings there.

Nathan

      reply	other threads:[~2005-02-15 17:28 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-02-11 23:28 2.6-bk: cpu hotplug + preempt = smp_processor_id warnings galore Nathan Lynch
2005-02-11 23:56 ` Matthias-Christian Ott
2005-02-12  0:56   ` Nathan Lynch
2005-02-12 18:59 ` Zwane Mwaikambo
2005-02-14 21:59   ` Nathan Lynch
2005-02-15  7:02     ` Ingo Molnar
2005-02-16  2:06       ` [PATCH] kthread_bind new worker threads when onlining cpu Nathan Lynch
2005-02-16  5:31         ` [PATCH] Run softirqs on proper processor on offline Zwane Mwaikambo
2005-02-16  5:34           ` Ingo Molnar
2005-02-16  5:51           ` Andrew Morton
2005-02-16  6:17             ` Zwane Mwaikambo
2005-02-15 15:29     ` 2.6-bk: cpu hotplug + preempt = smp_processor_id warnings galore Zwane Mwaikambo
2005-02-15 17:26       ` Nathan Lynch [this message]

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