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
Date: Tue, 19 Feb 2013 16:36:55 +0100 [thread overview]
Message-ID: <20130219153655.GD26748@pd.tnic> (raw)
In-Reply-To: <20130219152503.GA14862@gmail.com>
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.
--
next prev parent reply other threads:[~2013-02-19 15:37 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-19 15:25 [GIT PULL] x86/cpu changes for v3.9 Ingo Molnar
2013-02-19 15:36 ` Borislav Petkov [this message]
2013-02-19 15:47 ` Ingo Molnar
2013-02-19 17:38 ` H. Peter Anvin
2013-02-19 17:47 ` Borislav Petkov
2013-02-19 17:51 ` H. Peter Anvin
2013-02-19 18:33 ` [PATCH 1/2] x86, CPU, AMD: Fix WC+ workaround for older hosts Borislav Petkov
2013-02-19 18:33 ` [PATCH 2/2] x86, kvm: Add MSR_AMD64_BU_CFG2 to the list of ignored MSRs Borislav Petkov
2013-02-19 19:30 ` [tip:x86/cpu] " tip-bot for Borislav Petkov
2013-02-19 19:29 ` [tip:x86/cpu] x86, cpu, amd: Fix WC+ workaround for older virtual hosts tip-bot for Borislav Petkov
2013-02-19 17:57 ` [GIT PULL] x86/cpu changes for v3.9 Konrad Rzeszutek Wilk
2013-02-19 18:01 ` Borislav Petkov
2013-02-19 18:19 ` Boris Ostrovsky
2013-02-19 18:21 ` H. Peter Anvin
2013-02-19 18:26 ` Boris Ostrovsky
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