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authorLiu, Jinsong <jinsong.liu@intel.com>2014-02-24 10:56:53 +0000
committerPaolo Bonzini <pbonzini@redhat.com>2014-02-25 20:17:09 +0100
commit0dd376e709975779cf43f368498c5c0eec843b02 (patch)
tree3c5b5a5a2370692afb41b137e07ad42d50aa8cb7 /arch/x86
parentda8999d31818fdc8508d527ba3aac2e128005af4 (diff)
downloadop-kernel-dev-0dd376e709975779cf43f368498c5c0eec843b02.zip
op-kernel-dev-0dd376e709975779cf43f368498c5c0eec843b02.tar.gz
KVM: x86: add MSR_IA32_BNDCFGS to msrs_to_save
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>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/kvm/vmx.c6
-rw-r--r--arch/x86/kvm/x86.c2
2 files changed, 7 insertions, 1 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index e4e4b50..83ee24f 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -2484,6 +2484,9 @@ static int vmx_get_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 *pdata)
case MSR_IA32_SYSENTER_ESP:
data = vmcs_readl(GUEST_SYSENTER_ESP);
break;
+ case MSR_IA32_BNDCFGS:
+ data = vmcs_read64(GUEST_BNDCFGS);
+ break;
case MSR_IA32_FEATURE_CONTROL:
if (!nested_vmx_allowed(vcpu))
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:
vmcs_writel(GUEST_SYSENTER_ESP, data);
break;
+ case MSR_IA32_BNDCFGS:
+ vmcs_write64(GUEST_BNDCFGS, data);
+ break;
case MSR_IA32_TSC:
kvm_write_tsc(vcpu, msr_info);
break;
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 3da8df8..33fa9e3 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -882,7 +882,7 @@ static u32 msrs_to_save[] = {
MSR_CSTAR, MSR_KERNEL_GS_BASE, MSR_SYSCALL_MASK, MSR_LSTAR,
#endif
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;
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