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-rw-r--r--arch/x86/kvm/vmx.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 36d602559958..7a245f1dca87 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -2790,8 +2790,6 @@ static bool update_transition_efer(struct vcpu_vmx *vmx, int efer_offset)
ignore_bits &= ~(u64)EFER_SCE;
#endif
- clear_atomic_switch_msr(vmx, MSR_EFER);
-
/*
* On EPT, we can't emulate NX, so we must switch EFER atomically.
* On CPUs that support "load IA32_EFER", always switch EFER
@@ -2804,8 +2802,12 @@ static bool update_transition_efer(struct vcpu_vmx *vmx, int efer_offset)
if (guest_efer != host_efer)
add_atomic_switch_msr(vmx, MSR_EFER,
guest_efer, host_efer, false);
+ else
+ clear_atomic_switch_msr(vmx, MSR_EFER);
return false;
} else {
+ clear_atomic_switch_msr(vmx, MSR_EFER);
+
guest_efer &= ~ignore_bits;
guest_efer |= host_efer & ignore_bits;