UefiCpuPkg/MpInitLib: Optimize get processor number performance.

[mirror_edk2.git] / UefiCpuPkg / Library / MpInitLib / MpLib.c

diff --git a/UefiCpuPkg/Library/MpInitLib/MpLib.c b/UefiCpuPkg/Library/MpInitLib/MpLib.c
index e5c701ddeb464d36a66321343f07931dd93e93bb..c82b9859439c6481f39702e910b5699aaacb9a70 100644 (file)
--- a/UefiCpuPkg/Library/MpInitLib/MpLib.c
+++ b/UefiCpuPkg/Library/MpInitLib/MpLib.c
@@ -435,16 +435,19 @@ GetProcessorNumber (
   UINTN                   TotalProcessorNumber;\r
   UINTN                   Index;\r
   CPU_INFO_IN_HOB         *CpuInfoInHob;\r
+  UINT32                  CurrentApicId;\r
 \r
   CpuInfoInHob = (CPU_INFO_IN_HOB *) (UINTN) CpuMpData->CpuInfoInHob;\r
 \r
   TotalProcessorNumber = CpuMpData->CpuCount;\r
+  CurrentApicId = GetApicId ();\r
   for (Index = 0; Index < TotalProcessorNumber; Index ++) {\r
-    if (CpuInfoInHob[Index].ApicId == GetApicId ()) {\r
+    if (CpuInfoInHob[Index].ApicId == CurrentApicId) {\r
       *ProcessorNumber = Index;\r
       return EFI_SUCCESS;\r
     }\r
   }\r
+\r
   return EFI_NOT_FOUND;\r
 }\r
 \r