linux-kernel - Re: [PATCH] mtrr: fix UP breakage caused during switch to stop

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Message-ID: <4E568DD1.5010501@zytor.com>
Date:	Thu, 25 Aug 2011 11:00:49 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Tejun Heo <tj@...nel.org>
CC:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Suresh Siddha <suresh.b.siddha@...el.com>,
	Anders Eriksson <aeriksson@...tmail.fm>,
	Ingo Molnar <mingo@...e.hu>,
	Sergei Shtylyov <sshtylyov@...mvista.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] mtrr: fix UP breakage caused during switch to stop_machine

On 08/25/2011 10:46 AM, Tejun Heo wrote:
> While removing custom rendezvous code and switching to stop_machine,
> commit 192d8857427d "x86, mtrr: use stop_machine APIs for doing MTRR
> rendezvous" completely dropped mtrr setting code on !CONFIG_SMP
> breaking MTRR settting on UP.  Fix it by removing the incorrect
> CONFIG_SMP.
> 
> Signed-off-by: Tejun Heo <tj@...nel.org>
> Reported-by: Anders Eriksson <aeriksson@...tmail.fm>
> Acked-by: Suresh Siddha <suresh.b.siddha@...el.com>
> Cc: Linus Torvalds <torvalds@...ux-foundation.org>

Acked-by: H. Peter Anvin <hpa@...or.com>

Linus, are you picking this up from email or should I put it in x86/urgent?

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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