Revision: 16367
http://sourceforge.net/p/edk2/code/16367
Author: jljusten
Date: 2014-11-13 18:29:31 +0000 (Thu, 13 Nov 2014)
Log Message:
-----------
UefiCpuPkg/MpService: free the unused cpu data buffer
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Chen Fan <[email protected]>
Reviewed-by: Jeff Fan <[email protected]>
Modified Paths:
--------------
trunk/edk2/UefiCpuPkg/CpuDxe/CpuMp.c
Modified: trunk/edk2/UefiCpuPkg/CpuDxe/CpuMp.c
===================================================================
--- trunk/edk2/UefiCpuPkg/CpuDxe/CpuMp.c 2014-11-13 18:29:13 UTC (rev
16366)
+++ trunk/edk2/UefiCpuPkg/CpuDxe/CpuMp.c 2014-11-13 18:29:31 UTC (rev
16367)
@@ -25,7 +25,7 @@
VOID *mTopOfApCommonStack = 0;
VOID *mApStackStart = 0;
-BOOLEAN mAPsAlreadyInitFinished = FALSE;
+volatile BOOLEAN mAPsAlreadyInitFinished = FALSE;
volatile BOOLEAN mStopCheckAllAPsStatus = TRUE;
EFI_MP_SERVICES_PROTOCOL mMpServicesTemplate = {
@@ -1135,11 +1135,15 @@
EFI_AP_PROCEDURE Procedure;
VOID *ProcedureArgument;
+ AsmApDoneWithCommonStack ();
+
+ while (!mAPsAlreadyInitFinished) {
+ CpuPause ();
+ }
+
WhoAmI (&mMpServicesTemplate, &ProcessorNumber);
CpuData = &mMpSystemData.CpuDatas[ProcessorNumber];
- AsmApDoneWithCommonStack ();
-
//
// Avoid forcibly reset AP caused the AP State is not updated.
//
@@ -1486,6 +1490,11 @@
return;
}
+ mMpSystemData.CpuDatas = ReallocatePool (
+ sizeof (CPU_DATA_BLOCK) *
gMaxLogicalProcessorNumber,
+ sizeof (CPU_DATA_BLOCK) *
mMpSystemData.NumberOfProcessors,
+ mMpSystemData.CpuDatas);
+
mAPsAlreadyInitFinished = TRUE;
if (mMpSystemData.NumberOfProcessors < gMaxLogicalProcessorNumber) {
------------------------------------------------------------------------------
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