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Message-Id: <1235657730-27683-10-git-send-email-avi@redhat.com>
Date:	Thu, 26 Feb 2009 16:14:59 +0200
From:	Avi Kivity <avi@...hat.com>
To:	kvm@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, Joerg Roedel <joerg.roedel@....com>
Subject: [PATCH 09/40] KVM: SVM: Allow read access to MSR_VM_VR

From: Joerg Roedel <joerg.roedel@....com>

KVM tries to read the VM_CR MSR to find out if SVM was disabled by
the BIOS. So implement read support for this MSR to make nested
SVM running.

Signed-off-by: Joerg Roedel <joerg.roedel@....com>
Signed-off-by: Alexander Graf <agraf@...e.de>
Signed-off-by: Avi Kivity <avi@...hat.com>
---
 arch/x86/kvm/svm.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 4cb2920..df5b411 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1869,6 +1869,9 @@ static int svm_get_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 *data)
 	case MSR_VM_HSAVE_PA:
 		*data = svm->hsave_msr;
 		break;
+	case MSR_VM_CR:
+		*data = 0;
+		break;
 	default:
 		return kvm_get_msr_common(vcpu, ecx, data);
 	}
-- 
1.6.0.6

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