linux-kernel - Re: [PATCH 4/5] KVM: SVM: Allow EFER.LMSLE to be set with nested svm

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Message-ID: <4BE2AB2B.5040107@redhat.com>
Date:	Thu, 06 May 2010 14:42:35 +0300
From:	Avi Kivity <avi@...hat.com>
To:	"Roedel, Joerg" <Joerg.Roedel@....com>
CC:	"Przywara, Andre" <Andre.Przywara@....com>,
	Marcelo Tosatti <mtosatti@...hat.com>,
	"kvm@...r.kernel.org" <kvm@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 4/5] KVM: SVM: Allow EFER.LMSLE to be set with nested
 svm

On 05/06/2010 12:38 PM, Roedel, Joerg wrote:
> Subject: [PATCH] KVM: X86: Inject #GP with the right rip on efer writes
> This patch fixes a bug in the KVM efer-msr write path. If a
> guest writes to a reserved efer bit the set_efer function
> injects the #GP directly. The architecture dependent wrmsr
> function does not see this, assumes success and advances the
> rip. This results in a #GP in the guest with the wrong rip.
> This patch fixes this by reporting efer write errors back to
> the architectural wrmsr function.
>    

Applied, thanks.

-- 
error compiling committee.c: too many arguments to function

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