diff --git a/MdeModulePkg/Universal/LockBox/SmmLockBox/SmmLockBox.c b/MdeModulePkg/Universal/LockBox/SmmLockBox/SmmLockBox.c index c1c9aa5663..a743129539 100644 --- a/MdeModulePkg/Universal/LockBox/SmmLockBox/SmmLockBox.c +++ b/MdeModulePkg/Universal/LockBox/SmmLockBox/SmmLockBox.c @@ -77,10 +77,10 @@ SmmLockBoxSave ( return ; } // - // The AsmLfence() call here is to ensure the above range check for the - // CommBuffer have been completed before calling into SaveLockBox(). + // The SpeculationBarrier() call here is to ensure the above range check for + // the CommBuffer have been completed before calling into SaveLockBox(). // - AsmLfence (); + SpeculationBarrier (); // // Save data @@ -166,10 +166,10 @@ SmmLockBoxUpdate ( return ; } // - // The AsmLfence() call here is to ensure the above range check for the - // CommBuffer have been completed before calling into UpdateLockBox(). + // The SpeculationBarrier() call here is to ensure the above range check for + // the CommBuffer have been completed before calling into UpdateLockBox(). // - AsmLfence (); + SpeculationBarrier (); // // Update data