[edk2-devel] [PATCH V1 1/1] OvmfPkg/TdxDxe: Change MadtMpWk->MailBoxVersion from 1 to 0
Min Xu
min.m.xu at intel.com
Mon Aug 21 02:51:24 UTC 2023
From: Min M Xu <min.m.xu at intel.com>
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=4527
According to ACPI 6.5 (https://uefi.org/specs/ACPI/6.5/05_ACPI_Software
_Programming_Model.html?highlight=mailboxversion#multiprocessor-wakeup-
structure) the MailBoxVersion is 0.
This patch changed MadtMpWk->MailBoxVersion from 1 to 0 to fix the error.
Cc: Erdem Aktas <erdemaktas at google.com>
Cc: James Bottomley <jejb at linux.ibm.com>
Cc: Jiewen Yao <jiewen.yao at intel.com>
Cc: Gerd Hoffmann <kraxel at redhat.com>
Cc: Tom Lendacky <thomas.lendacky at amd.com>
Cc: Michael Roth <michael.roth at amd.com>
Signed-off-by: Min Xu <min.m.xu at intel.com>
---
OvmfPkg/TdxDxe/TdxAcpiTable.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/OvmfPkg/TdxDxe/TdxAcpiTable.c b/OvmfPkg/TdxDxe/TdxAcpiTable.c
index 5dc27e23ad71..d6d6975e5676 100644
--- a/OvmfPkg/TdxDxe/TdxAcpiTable.c
+++ b/OvmfPkg/TdxDxe/TdxAcpiTable.c
@@ -186,7 +186,7 @@ AlterAcpiTable (
MadtMpWk = (EFI_ACPI_6_4_MULTIPROCESSOR_WAKEUP_STRUCTURE *)(NewMadtTable + Table->Length);
MadtMpWk->Type = EFI_ACPI_6_4_MULTIPROCESSOR_WAKEUP;
MadtMpWk->Length = sizeof (EFI_ACPI_6_4_MULTIPROCESSOR_WAKEUP_STRUCTURE);
- MadtMpWk->MailBoxVersion = 1;
+ MadtMpWk->MailBoxVersion = 0;
MadtMpWk->Reserved = 0;
MadtMpWk->MailBoxAddress = RelocateMailboxAddress;
--
2.39.1.windows.1
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