linux-kernel - Re: [PATCH] mm/x86: Patch out arch_flush_lazy_mmu

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Message-ID: <20130301004211.GB31649@hansolo.jdub.homelinux.org>
Date:	Thu, 28 Feb 2013 19:42:11 -0500
From:	Josh Boyer <jwboyer@...hat.com>
To:	Borislav Petkov <bp@...en8.de>, "H. Peter Anvin" <hpa@...or.com>,
	Boris Ostrovsky <boris.ostrovsky@...cle.com>, mingo@...hat.com,
	tglx@...utronix.de, konrad.wilk@...cle.com, rostedt@...dmis.org,
	gregkh@...uxfoundation.org, samu.kallio@...rdeencloud.com,
	kraman@...hat.com, xen-devel@...ts.xen.org,
	linux-kernel@...r.kernel.org, stable@...nel.org
Subject: Re: [PATCH] mm/x86: Patch out arch_flush_lazy_mmu_mode() when
 running on bare metal

On Fri, Mar 01, 2013 at 01:36:29AM +0100, Borislav Petkov wrote:
> On Thu, Feb 28, 2013 at 04:15:45PM -0800, H. Peter Anvin wrote:
> > > I'll try to get someone to test this tomorrow.
> 
> Btw, you'd need to apply that other patch too
> 
> http://marc.info/?l=xen-devel&m=136206183814547&w=2
> 
> so that arch_flush_lazy_mmu_mode() has at least one caller on x86_64.

Yeah, we already have that applied.  It stops crashes in xen
environments so we pulled it in as a bugfix.  Thanks though!

josh
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