>From 7d1b41c3fdf71e4c73280e117948102f54f74be7 Mon Sep 17 00:00:00 2001
From: Liu Jinsong <[email protected]>
Date: Sat, 22 Feb 2014 08:10:17 +0800
Subject: [PATCH v4 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 <[email protected]>
---
arch/x86/kvm/vmx.c | 6 ++++++
arch/x86/kvm/x86.c | 2 +-
2 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 35d285f..2839c2f 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_readl(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_writel(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 7c52acb..89e4e27 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;
--
1.7.1