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KVM: x86: add MSR_IA32_BNDCFGS to msrs_to_save

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From 5d5a80cd172ea6fb51786369bcc23356b1e9e956 Mon Sep 17 00:00:00 2001
From: Liu Jinsong <jinsong.liu@intel.com>
Date: Mon, 24 Feb 2014 18:11:55 +0800
Subject: [PATCH v5 2/3] KVM: x86: add MSR_IA32_BNDCFGS to msrs_to_save

Add MSR_IA32_BNDCFGS to msrs_to_save, and corresponding logic
to kvm_get/set_msr().

Signed-off-by: Liu Jinsong <jinsong.liu@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Liu, Jinsong 2014-02-24 10:56:53 +00:00 committed by Paolo Bonzini
parent da8999d318
commit 0dd376e709
2 changed files with 7 additions and 1 deletions
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6
arch/x86/kvm/vmx.c
View File

@ -2484,6 +2484,9 @@ static int vmx_get_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 *pdata)
case MSR_IA32_SYSENTER_ESP: case MSR_IA32_SYSENTER_ESP:
data = vmcs_readl(GUEST_SYSENTER_ESP); data = vmcs_readl(GUEST_SYSENTER_ESP);
break; break;
case MSR_IA32_BNDCFGS:
data = vmcs_read64(GUEST_BNDCFGS);
break;
case MSR_IA32_FEATURE_CONTROL: case MSR_IA32_FEATURE_CONTROL:
if (!nested_vmx_allowed(vcpu)) if (!nested_vmx_allowed(vcpu))
return 1; return 1;
@ -2552,6 +2555,9 @@ static int vmx_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
case MSR_IA32_SYSENTER_ESP: case MSR_IA32_SYSENTER_ESP:
vmcs_writel(GUEST_SYSENTER_ESP, data); vmcs_writel(GUEST_SYSENTER_ESP, data);
break; break;
case MSR_IA32_BNDCFGS:
vmcs_write64(GUEST_BNDCFGS, data);
break;
case MSR_IA32_TSC: case MSR_IA32_TSC:
kvm_write_tsc(vcpu, msr_info); kvm_write_tsc(vcpu, msr_info);
break; break;

2
arch/x86/kvm/x86.c
View File

@ -882,7 +882,7 @@ static u32 msrs_to_save[] = {
MSR_CSTAR, MSR_KERNEL_GS_BASE, MSR_SYSCALL_MASK, MSR_LSTAR, MSR_CSTAR, MSR_KERNEL_GS_BASE, MSR_SYSCALL_MASK, MSR_LSTAR,
#endif #endif
MSR_IA32_TSC, MSR_IA32_CR_PAT, MSR_VM_HSAVE_PA, MSR_IA32_TSC, MSR_IA32_CR_PAT, MSR_VM_HSAVE_PA,
MSR_IA32_FEATURE_CONTROL MSR_IA32_FEATURE_CONTROL, MSR_IA32_BNDCFGS
}; };
static unsigned num_msrs_to_save; static unsigned num_msrs_to_save;