UefiCpuPkg/PiSmmCpuDxeSmm: Check ProcessorId == INVALID_APIC_ID

[mirror_edk2.git] / UefiCpuPkg / PiSmmCpuDxeSmm / PiSmmCpuDxeSmm.c

diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c
index 2d6b572b4e3f3b482cf5218c4eee72e1d477760e..8e7964271125d6bfe898f2655e19a8fa1a3b570a 100755 (executable)
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c
@@ -1117,7 +1117,12 @@ ConfigSmmCodeAccessCheck (
   //\r
   for (Index = 0; Index < gSmst->NumberOfCpus; Index++) {\r
     if (Index != gSmmCpuPrivate->SmmCoreEntryContext.CurrentlyExecutingCpu) {\r
-\r
+      if (gSmmCpuPrivate->ProcessorInfo[Index].ProcessorId == INVALID_APIC_ID) {\r
+        //\r
+        // If this processor does not exist\r
+        //\r
+        continue;\r
+      }\r
       //\r
       // Acquire Config SMM Code Access Check spin lock.  The AP will release the\r
       // spin lock when it is done executing ConfigSmmCodeAccessCheckOnCurrentProcessor().\r