UefiCpuPkg/CpuMpPei: Fix wrong CpuData pointer

CpuData buffer should be located in allocated buffer instead of at end of WakeupBuffer. (Sync patch r18550 from main trunk.) Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jeff Fan <[email protected]> Reviewed-by: Star Zeng <[email protected]> git-svn-id: https://svn.code.sf.net/p/edk2/code/branches/UDK2015@18552 6f19259b-4bc3-4df7-8a09-765794883524
tianocore · Sep 25, 2015 · 59fd15c · 59fd15c
1 parent 9228f69
commit 59fd15c
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/UefiCpuPkg/CpuMpPei/CpuMpPei.c b/UefiCpuPkg/CpuMpPei/CpuMpPei.c
@@ -428,7 +428,8 @@ PrepareAPStartupVector (
 
   PeiCpuMpData->CpuCount                 = 1;
   PeiCpuMpData->BspNumber                = 0;
-  PeiCpuMpData->CpuData                  = (PEI_CPU_DATA *) (PeiCpuMpData->MpCpuExchangeInfo + 1);
+  PeiCpuMpData->CpuData                  = (PEI_CPU_DATA *) (PeiCpuMpData->BackupBuffer +
+                                                             PeiCpuMpData->BackupBufferSize);
   PeiCpuMpData->CpuData[0].ApicId        = GetInitialApicId ();
   PeiCpuMpData->CpuData[0].Health.Uint32 = 0;
   PeiCpuMpData->EndOfPeiFlag             = FALSE;