linux-kernel - Re: [patch 1/3] printk: fix wake_up

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Message-ID: <1290773725.2145.141.camel@laptop>
Date:	Fri, 26 Nov 2010 13:15:25 +0100
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Heiko Carstens <heiko.carstens@...ibm.com>
Cc:	Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>,
	Martin Schwidefsky <schwidefsky@...ibm.com>,
	linux-kernel@...r.kernel.org,
	Christof Schmitt <christof.schmitt@...ibm.com>,
	Frank Blaschka <frank.blaschka@...ibm.com>,
	Horst Hartmann <horsth@...ux.vnet.ibm.com>
Subject: Re: [patch 1/3] printk: fix wake_up_klogd() vs cpu hotplug

On Fri, 2010-11-26 at 13:13 +0100, Heiko Carstens wrote:
> > But but but, the cpu can still be offlined between writing this state
> > and the next tick happening, right?
> 
> Yes, that's what the second patch would fix as a side effect. 

Ah, right, ok took them both.
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