KVM: VMX: Fix locking order in handle_invalid_guest_state

Release and re-acquire preemption and IRQ lock in the same order as
vcpu_enter_guest does.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 356a0ce85c68..6bf58c083f0a 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -3157,8 +3157,8 @@ static void handle_invalid_guest_state(struct kvm_vcpu *vcpu,
         struct vcpu_vmx *vmx = to_vmx(vcpu);
         enum emulation_result err = EMULATE_DONE;
 
-        preempt_enable();
         local_irq_enable();
+        preempt_enable();
 
         while (!guest_state_valid(vcpu)) {
                 err = emulate_instruction(vcpu, kvm_run, 0, 0, 0);
@@ -3177,8 +3177,8 @@ static void handle_invalid_guest_state(struct kvm_vcpu *vcpu,
                         schedule();
         }
 
-        local_irq_disable();
         preempt_disable();
+        local_irq_disable();
 
         vmx->invalid_state_emulation_result = err;
 }