From 847f0ad8cbfa70c1af6948025836dfbd9ed6da1e Mon Sep 17 00:00:00 2001 From: Alexander Graf Date: Thu, 21 Feb 2008 12:11:01 +0100 Subject: [PATCH] KVM: Implement dummy values for MSR_PERF_STATUS Darwin relies on this and ceases to work without. Signed-off-by: Alexander Graf Signed-off-by: Avi Kivity --- arch/x86/kvm/x86.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index cf6261e3d928..0dd038e7392b 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -426,6 +426,7 @@ static u32 msrs_to_save[] = { MSR_CSTAR, MSR_KERNEL_GS_BASE, MSR_SYSCALL_MASK, MSR_LSTAR, #endif MSR_IA32_TIME_STAMP_COUNTER, MSR_KVM_SYSTEM_TIME, MSR_KVM_WALL_CLOCK, + MSR_IA32_PERF_STATUS, }; static unsigned num_msrs_to_save; @@ -653,7 +654,6 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata) case MSR_IA32_MC0_MISC+12: case MSR_IA32_MC0_MISC+16: case MSR_IA32_UCODE_REV: - case MSR_IA32_PERF_STATUS: case MSR_IA32_EBL_CR_POWERON: /* MTRR registers */ case 0xfe: @@ -669,6 +669,12 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata) case MSR_IA32_MISC_ENABLE: data = vcpu->arch.ia32_misc_enable_msr; break; + case MSR_IA32_PERF_STATUS: + /* TSC increment by tick */ + data = 1000ULL; + /* CPU multiplier */ + data |= (((uint64_t)4ULL) << 40); + break; case MSR_EFER: data = vcpu->arch.shadow_efer; break; -- 2.34.1