diff options
| -rw-r--r-- | UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c b/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c index 5ba0514a35..12466ef5de 100644 --- a/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c +++ b/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c @@ -1276,7 +1276,11 @@ InitializeMpSyncData ( UINTN CpuIndex;
if (mSmmMpSyncData != NULL) {
- mSmmMpSyncData->SwitchBsp = FALSE;
+ //
+ // mSmmMpSyncDataSize includes one structure of SMM_DISPATCHER_MP_SYNC_DATA, one
+ // CpuData array of SMM_CPU_DATA_BLOCK and one CandidateBsp array of BOOLEAN.
+ //
+ ZeroMem (mSmmMpSyncData, mSmmMpSyncDataSize);
mSmmMpSyncData->CpuData = (SMM_CPU_DATA_BLOCK *)((UINT8 *)mSmmMpSyncData + sizeof (SMM_DISPATCHER_MP_SYNC_DATA));
mSmmMpSyncData->CandidateBsp = (BOOLEAN *)(mSmmMpSyncData->CpuData + gSmmCpuPrivate->SmmCoreEntryContext.NumberOfCpus);
if (FeaturePcdGet (PcdCpuSmmEnableBspElection)) {
|