diff options
| -rw-r--r-- | arch/x86/kvm/vmx.c | 19 | ||||
| -rw-r--r-- | virt/kvm/kvm_main.c | 2 |
2 files changed, 19 insertions, 2 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index d9c11f3f5b18..888eaab57fbc 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -7767,14 +7767,29 @@ static void vmx_load_vmcs01(struct kvm_vcpu *vcpu) put_cpu(); } +/* + * Ensure that the current vmcs of the logical processor is the + * vmcs01 of the vcpu before calling free_nested(). + */ +static void vmx_free_vcpu_nested(struct kvm_vcpu *vcpu) +{ + struct vcpu_vmx *vmx = to_vmx(vcpu); + int r; + + r = vcpu_load(vcpu); + BUG_ON(r); + vmx_load_vmcs01(vcpu); + free_nested(vmx); + vcpu_put(vcpu); +} + static void vmx_free_vcpu(struct kvm_vcpu *vcpu) { struct vcpu_vmx *vmx = to_vmx(vcpu); free_vpid(vmx); leave_guest_mode(vcpu); - vmx_load_vmcs01(vcpu); - free_nested(vmx); + vmx_free_vcpu_nested(vcpu); free_loaded_vmcs(vmx->loaded_vmcs); kfree(vmx->guest_msrs); kvm_vcpu_uninit(vcpu); diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 7d32b4e82e86..e013f90f7a29 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -139,6 +139,7 @@ int vcpu_load(struct kvm_vcpu *vcpu) put_cpu(); return 0; } +EXPORT_SYMBOL_GPL(vcpu_load); void vcpu_put(struct kvm_vcpu *vcpu) { @@ -148,6 +149,7 @@ void vcpu_put(struct kvm_vcpu *vcpu) preempt_enable(); mutex_unlock(&vcpu->mutex); } +EXPORT_SYMBOL_GPL(vcpu_put); static void ack_flush(void *_completed) { |