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-rw-r--r--UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c
index 09382945dd..499f979d34 100644
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c
@@ -1146,6 +1146,13 @@ PiCpuSmmEntry (
// When the HOB doesn't exist, allocate new SMBASE itself.
//
DEBUG ((DEBUG_INFO, "PiCpuSmmEntry: gSmmBaseHobGuid not found!\n"));
+
+ mCpuHotPlugData.SmBase = (UINTN *)AllocatePool (sizeof (UINTN) * mMaxNumberOfCpus);
+ if (mCpuHotPlugData.SmBase == NULL) {
+ ASSERT (mCpuHotPlugData.SmBase != NULL);
+ CpuDeadLoop ();
+ }
+
//
// very old processors (i486 + pentium) need 32k not 4k alignment, exclude them.
//