UefiCpuPkg/MpLib.c: Set AP state after X2APIC mode enabled

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

diff --git a/UefiCpuPkg/Library/MpInitLib/MpLib.c b/UefiCpuPkg/Library/MpInitLib/MpLib.c
index e5e211de8da7c973b76f637ee3ddfff9c5ececbc..407c44c95e623a5befdaf309dd17e2bdf54b7426 100644 (file)
--- a/UefiCpuPkg/Library/MpInitLib/MpLib.c
+++ b/UefiCpuPkg/Library/MpInitLib/MpLib.c
@@ -434,6 +434,8 @@ CollectProcessorCount (
   IN CPU_MP_DATA         *CpuMpData\r
   )\r
 {\r
+  UINTN                  Index;\r
+\r
   //\r
   // Send 1st broadcast IPI to APs to wakeup APs\r
   //\r
@@ -465,6 +467,12 @@ CollectProcessorCount (
     // Enable x2APIC on BSP\r
     //\r
     SetApicMode (LOCAL_APIC_MODE_X2APIC);\r
+    //\r
+    // Set BSP/Aps state to IDLE\r
+    //\r
+    for (Index = 0; Index < CpuMpData->CpuCount; Index++) {\r
+      SetApState (&CpuMpData->CpuData[Index], CpuStateIdle);\r
+    }\r
   }\r
   DEBUG ((DEBUG_INFO, "APIC MODE is %d\n", GetApicMode ()));\r
   //\r