linux-kernel - Re: Random panic in load

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Message-ID: <20140723170446.GA3935@laptop>
Date:	Wed, 23 Jul 2014 19:04:46 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Dietmar Eggemann <dietmar.eggemann@....com>,
	Michel Dänzer <michel@...nzer.net>,
	Ingo Molnar <mingo@...hat.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Random panic in load_balance() with 3.16-rc

On Wed, Jul 23, 2014 at 09:54:23AM -0700, Linus Torvalds wrote:

> So the length is fine, and the disassembly shows that it is fixed (16
> 32-bit words - why the heck does it use "movsl" rather than "movsq",
> whatever).

Which is exactly right btw, he's got CONFIG_NR_CPUS=512 and 8*4*16=512.

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