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Message-ID: <1321950432.27077.27.camel@edumazet-laptop>
Date: Tue, 22 Nov 2011 09:27:12 +0100
From: Eric Dumazet <eric.dumazet@...il.com>
To: Christoph Lameter <cl@...ux.com>
Cc: Christian Kujau <lists@...dbynature.de>,
Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Markus Trippelsdorf <markus@...ppelsdorf.de>,
"Alex,Shi" <alex.shi@...el.com>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-mm@...ck.org" <linux-mm@...ck.org>,
Pekka Enberg <penberg@...nel.org>,
Matt Mackall <mpm@...enic.com>,
"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
Tejun Heo <tj@...nel.org>
Subject: Re: WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413
Le mardi 22 novembre 2011 à 08:48 +0100, Eric Dumazet a écrit :
> For x86, I wonder if our !X86_FEATURE_CX16 support is correct on SMP
> machines.
>
By the way, I wonder why we still emit this_cpu_cmpxchg16b_emu() code
and calls when compiling a kernel for a cpu implementing cmpxchg16b
(CONFIG_MCORE2=y)
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