linux-kernel - [PATCH 6/8] KVM: More msr misery

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Message-Id: <20061228101317.792FA2500F7@il.qumranet.com>
Date:	Thu, 28 Dec 2006 10:13:17 -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 6/8] KVM: More msr misery

These msrs are referenced by benchmarking software when pretending to be
an Intel cpu.

Signed-off-by: Avi Kivity <avi@...ranet.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
@@ -1122,11 +1122,15 @@ int kvm_get_msr_common(struct kvm_vcpu *
 	case MSR_IA32_MC0_MISC+12:
 	case MSR_IA32_MC0_MISC+16:
 	case MSR_IA32_UCODE_REV:
+	case MSR_IA32_PERF_STATUS:
 		/* MTRR registers */
 	case 0xfe:
 	case 0x200 ... 0x2ff:
 		data = 0;
 		break;
+	case 0xcd: /* fsb frequency */
+		data = 3;
+		break;
 	case MSR_IA32_APICBASE:
 		data = vcpu->apic_base;
 		break;
-
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