audk/MdeModulePkg/Universal/Variable/RuntimeDxe/SpeculationBarrierSmm.c

27 lines
557 B
C

/** @file
Barrier to stop speculative execution (SMM version).
Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include <Library/BaseLib.h>
#include "Variable.h"
/**
This service is consumed by the variable modules to place a barrier to stop
speculative execution.
Ensures that no later instruction will execute speculatively, until all prior
instructions have completed.
**/
VOID
VariableSpeculationBarrier (
VOID
)
{
SpeculationBarrier ();
}