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-rw-r--r--arch/x86/kvm/vmx.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 082cdb9011eb..2099b1495b57 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -419,7 +419,7 @@ struct nested_vmx {
/*
* Cache of the guest's VMCS, existing outside of guest memory.
* Loaded from guest memory during VMPTRLD. Flushed to guest
- * memory during VMXOFF, VMCLEAR, VMPTRLD.
+ * memory during VMCLEAR and VMPTRLD.
*/
struct vmcs12 *cached_vmcs12;
/*
@@ -7174,6 +7174,12 @@ static int nested_vmx_check_permission(struct kvm_vcpu *vcpu)
return 1;
}
+static void vmx_disable_shadow_vmcs(struct vcpu_vmx *vmx)
+{
+ vmcs_clear_bits(SECONDARY_VM_EXEC_CONTROL, SECONDARY_EXEC_SHADOW_VMCS);
+ vmcs_write64(VMCS_LINK_POINTER, -1ull);
+}
+
static inline void nested_release_vmcs12(struct vcpu_vmx *vmx)
{
if (vmx->nested.current_vmptr == -1ull)
@@ -7184,9 +7190,7 @@ static inline void nested_release_vmcs12(struct vcpu_vmx *vmx)
they were modified */
copy_shadow_to_vmcs12(vmx);
vmx->nested.sync_shadow_vmcs = false;
- vmcs_clear_bits(SECONDARY_VM_EXEC_CONTROL,
- SECONDARY_EXEC_SHADOW_VMCS);
- vmcs_write64(VMCS_LINK_POINTER, -1ull);
+ vmx_disable_shadow_vmcs(vmx);
}
vmx->nested.posted_intr_nv = -1;
@@ -7209,12 +7213,14 @@ static void free_nested(struct vcpu_vmx *vmx)
vmx->nested.vmxon = false;
free_vpid(vmx->nested.vpid02);
- nested_release_vmcs12(vmx);
+ vmx->nested.posted_intr_nv = -1;
+ vmx->nested.current_vmptr = -1ull;
if (vmx->nested.msr_bitmap) {
free_page((unsigned long)vmx->nested.msr_bitmap);
vmx->nested.msr_bitmap = NULL;
}
if (enable_shadow_vmcs) {
+ vmx_disable_shadow_vmcs(vmx);
vmcs_clear(vmx->vmcs01.shadow_vmcs);
free_vmcs(vmx->vmcs01.shadow_vmcs);
vmx->vmcs01.shadow_vmcs = NULL;