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Diffstat (limited to 'UefiCpuPkg/PiSmmCpuDxeSmm/CpuS3.c')
-rw-r--r--UefiCpuPkg/PiSmmCpuDxeSmm/CpuS3.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/CpuS3.c b/UefiCpuPkg/PiSmmCpuDxeSmm/CpuS3.c
index 4af86b70f2..532b7c44bd 100644
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/CpuS3.c
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/CpuS3.c
@@ -55,7 +55,7 @@ AsmGetAddressMap (
#define LEGACY_REGION_BASE (0xA0000 - LEGACY_REGION_SIZE)
ACPI_CPU_DATA mAcpiCpuData;
-UINT32 mNumberToFinish;
+volatile UINT32 mNumberToFinish;
MP_CPU_EXCHANGE_INFO *mExchangeInfo;
BOOLEAN mRestoreSmmConfigurationInS3 = FALSE;
VOID *mGdtForAp = NULL;