linux-kernel - Re: [RFC][PATCH] sched: Fix a deadlock of cpu-hotplug

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Date:	Wed, 24 Oct 2012 15:45:00 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	陈华才 <chenhc@...ote.com>
Cc:	Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org,
	Fuxin Zhang <zhangfx@...ote.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	"Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.com>,
	Tejun Heo <tj@...nel.org>
Subject: Re: [RFC][PATCH] sched: Fix a deadlock of cpu-hotplug

On Wed, 2012-10-24 at 20:34 +0800, 陈华才 wrote:
> I see, this is an arch-specific bug, sorry for my carelessness and thank
> you for your tips. 

What arch are you using? And what exactly did the arch do wrong? Most of
the code involved seems to be common code.

Going by c0_compare_interrupt, this is some MIPS device.
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