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Date: Tue, 19 Feb 2013 16:36:55 +0100
From: Borislav Petkov <bp@alien8.de>
To: Ingo Molnar <mingo@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
        linux-kernel@vger.kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [GIT PULL] x86/cpu changes for v3.9
Message-ID: <20130219153655.GD26748@pd.tnic>
Mail-Followup-To: Borislav Petkov <bp@alien8.de>,
	Ingo Molnar <mingo@kernel.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
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	Thomas Gleixner <tglx@linutronix.de>,
	Andrew Morton <akpm@linux-foundation.org>
References: <20130219152503.GA14862@gmail.com>
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On Tue, Feb 19, 2013 at 04:25:03PM +0100, Ingo Molnar wrote:
> Linus,
> 
> Please pull the latest x86-cpu-for-linus git tree from:
> 
>    git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86-cpu-for-linus
> 
>    HEAD: f0322bd341fd63261527bf84afd3272bcc2e8dd3 x86, AMD: Enable WC+ memory type on family 10 processors
> 
> The biggest change is the enabling of the WC+ memory type on 
> family 10 processors. (This is a BIOS bug workaround in essence: 
> if the BIOS fails to do this then we fall back to uncacheable, 
> degrading performance, for example for virtualized guests using 
> nested pages.)
> 
>  Thanks,
> 
> 	Ingo
> 
> ------------------>
> Boris Ostrovsky (2):
>       x86, AMD: Clean up init_amd()
>       x86, AMD: Enable WC+ memory type on family 10 processors

Those kill a kvm guest with a #GP. Can we apply the fix for it too pls?

http://marc.info/?l=linux-kernel&m=136077007423065&w=2

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
--