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MdeModulePkg/SmmLockBox: Update to consume SpeculationBarrier
[mirror_edk2.git] / MdeModulePkg / Universal / Variable / RuntimeDxe / LoadFenceDxe.c
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1/** @file\r
2 Serialize operation on all load-from-memory instructions (DXE version).\r
3\r
4Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>\r
5This program and the accompanying materials\r
6are licensed and made available under the terms and conditions of the BSD License\r
7which accompanies this distribution. The full text of the license may be found at\r
8http://opensource.org/licenses/bsd-license.php\r
9\r
10THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
11WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
12\r
13**/\r
14\r
15#include "Variable.h"\r
16\r
17/**\r
18 This service is consumed by the variable modules to perform a serializing\r
19 operation on all load-from-memory instructions that were issued prior to the\r
20 call of this function.\r
21\r
22**/\r
23VOID\r
24MemoryLoadFence (\r
25 VOID\r
26 )\r
27{\r
28 //\r
29 // Do nothing.\r
30 //\r
31}\r