-----Original Message-----
From: Lin, JackX <jackx.lin@...>
Sent: Tuesday, December 21, 2021 2:48 PM
To: devel@edk2.groups.io
Cc: Lin, JackX <jackx.lin@...>; Lin, JackX <jackx.lin@...>; Chiu, Chasel <chasel.chiu@...>; Dong, Eric
<eric.dong@...>; Yao, Jiewen <jiewen.yao@...>; Ni, Ray <ray.ni@...>; Chaganty, Rangasai V
<rangasai.v.chaganty@...>; Kuo, Donald <donald.kuo@...>; Kumar, Chandana C <chandana.c.kumar@...>
Subject: [edk2-platforms: PATCH] System will occur a CPU exception error when sorting CPU APIC map, because of a pointer
point to an wrong space.

Signed-off-by: JackX Lin <JackX.Lin@...>
Cc: Chasel Chiu <chasel.chiu@...>
Cc: Dong Eric <eric.dong@...>
Cc: Jiewen Yao <jiewen.yao@...>
Cc: Ray Ni <ray.ni@...>
Cc: Rangasai V Chaganty <rangasai.v.chaganty@...>
Cc: Donald Kuo <Donald.Kuo@...>
Cc: Chandana C Kumar <chandana.c.kumar@...>
Cc: JackX Lin <JackX.Lin@...>
---
Platform/Intel/MinPlatformPkg/Acpi/AcpiTables/AcpiPlatform.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/Platform/Intel/MinPlatformPkg/Acpi/AcpiTables/AcpiPlatform.c
b/Platform/Intel/MinPlatformPkg/Acpi/AcpiTables/AcpiPlatform.c
index 785cf4c2f9..05fc7799fb 100644
--- a/Platform/Intel/MinPlatformPkg/Acpi/AcpiTables/AcpiPlatform.c
+++ b/Platform/Intel/MinPlatformPkg/Acpi/AcpiTables/AcpiPlatform.c
@@ -169,7 +169,7 @@ SortCpuLocalApicInTable (
UINT32 Index;
UINT32 CurrProcessor;
UINT32 BspApicId;
- EFI_CPU_ID_ORDER_MAP *TempVal;
+ EFI_CPU_ID_ORDER_MAP TempVal;
EFI_CPU_ID_ORDER_MAP *CpuIdMapPtr;
UINT32 CoreThreadMask;
EFI_CPU_ID_ORDER_MAP *TempCpuApicIdOrderTable;
@@ -183,7 +183,6 @@ SortCpuLocalApicInTable (
}

TempCpuApicIdOrderTable = AllocateZeroPool (mNumberOfCpus * sizeof (EFI_CPU_ID_ORDER_MAP));
- TempVal = AllocateZeroPool (sizeof (EFI_CPU_ID_ORDER_MAP));
CoreThreadMask = (UINT32) ((1 << mNumOfBitShift) - 1);

for (CurrProcessor = 0, Index = 0; CurrProcessor < mNumberOfCpus; CurrProcessor++, Index++) {
--
2.32.0.windows.2