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Subject: [PATCH 1/3] KVM: Handle rdmsr(MSR_EFER)
From: Avi Kivity <avi@qumranet.com>
Date: Mon, 20 Nov 2006 10:27:20 -0000
To: kvm-devel@lists.sourceforge.net
Cc: akpm@osdl.org, kvm-devel@lists.sourceforge.net, yaniv.kamay@qumranet.com,
       linux-kernel@vger.kernel.org
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From: Yaniv Kamay <yaniv@qumranet.com>

Allow guests to read the EFER msr.

Signed-off-by: Yaniv Kamay <yaniv@qumranet.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

Index: linux-2.6/drivers/kvm/kvm_main.c
===================================================================
--- linux-2.6.orig/drivers/kvm/kvm_main.c
+++ linux-2.6/drivers/kvm/kvm_main.c
@@ -2323,6 +2323,9 @@ static int get_msr(struct kvm_vcpu *vcpu
 	case MSR_GS_BASE:
 		data = vmcs_readl(GUEST_GS_BASE);
 		break;
+	case MSR_EFER:
+		data = vcpu->shadow_efer;
+		break;
 #endif
 	case MSR_IA32_TIME_STAMP_COUNTER:
 		data = guest_read_tsc();