linux-kernel - [PATCH 4/8] KVM: Implement a few system configuration msrs

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Message-Id: <20061228101117.65A392500F7@il.qumranet.com>
Date:	Thu, 28 Dec 2006 10:11:17 -0000
From:	Avi Kivity <avi@...ranet.com>
To:	kvm-devel@...ts.sourceforge.net
Cc:	linux-kernel@...r.kernel.org, akpm@...l.org, mingo@...e.hu
Subject: [PATCH 4/8] KVM: Implement a few system configuration msrs

Resolves sourceforge bug 1622229 (guest crashes running benchmark software).

Signed-off-by: Avi Kivity <avi@...ranet.com>

Index: linux-2.6/drivers/kvm/svm.c
===================================================================
--- linux-2.6.orig/drivers/kvm/svm.c
+++ linux-2.6/drivers/kvm/svm.c
@@ -1068,6 +1068,9 @@ static int emulate_on_interception(struc
 static int svm_get_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 *data)
 {
 	switch (ecx) {
+	case 0xc0010010: /* SYSCFG */
+	case 0xc0010015: /* HWCR */
+	case MSR_IA32_PLATFORM_ID:
 	case MSR_IA32_P5_MC_ADDR:
 	case MSR_IA32_P5_MC_TYPE:
 	case MSR_IA32_MC0_CTL:
Index: linux-2.6/drivers/kvm/vmx.c
===================================================================
--- linux-2.6.orig/drivers/kvm/vmx.c
+++ linux-2.6/drivers/kvm/vmx.c
@@ -359,6 +359,9 @@ static int vmx_get_msr(struct kvm_vcpu *
 	case MSR_IA32_SYSENTER_ESP:
 		data = vmcs_read32(GUEST_SYSENTER_ESP);
 		break;
+	case 0xc0010010: /* SYSCFG */
+	case 0xc0010015: /* HWCR */
+	case MSR_IA32_PLATFORM_ID:
 	case MSR_IA32_P5_MC_ADDR:
 	case MSR_IA32_P5_MC_TYPE:
 	case MSR_IA32_MC0_CTL:
-
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