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UefiCpuPkg/PiSmmCpuDxeSmm: Check ProcessorId == INVALID_APIC_ID

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If PcdCpuHotPlugSupport is TRUE, gSmst->NumberOfCpus will be the
PcdCpuMaxLogicalProcessorNumber. If gSmst->SmmStartupThisAp() is invoked for
those un-existed processors, ASSERT() happened in ConfigSmmCodeAccessCheck().

This fix is to check if ProcessorId is valid before invoke
gSmst->SmmStartupThisAp() in ConfigSmmCodeAccessCheck() and to check if
ProcessorId is valid in InternalSmmStartupThisAp() to avoid unexpected DEBUG
error message displayed.

Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Eric Dong <eric.dong@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jeff Fan <jeff.fan@intel.com>
Reviewed-by: Eric Dong <eric.dong@intel.com>
This commit is contained in:
Jeff Fan
2017-05-10 16:32:25 +08:00
parent 5d0933f9ba
commit b7025df8f9
2 changed files with 9 additions and 1 deletions
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3
UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c
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@@ -860,6 +860,9 @@ InternalSmmStartupThisAp (
DEBUG((DEBUG_ERROR, "CpuIndex(%d) == gSmmCpuPrivate->SmmCoreEntryContext.CurrentlyExecutingCpu\n", CpuIndex));
return EFI_INVALID_PARAMETER;
}
if (gSmmCpuPrivate->ProcessorInfo[CpuIndex].ProcessorId == INVALID_APIC_ID) {
return EFI_INVALID_PARAMETER;
}
if (!(*(mSmmMpSyncData->CpuData[CpuIndex].Present))) {
if (mSmmMpSyncData->EffectiveSyncMode == SmmCpuSyncModeTradition) {
DEBUG((DEBUG_ERROR, "!mSmmMpSyncData->CpuData[%d].Present\n", CpuIndex));