edk2/0075-OvmfPkg-BaseMemEncryptLib-Return-SUCCESS-if-not-supp.patch

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From 6b7bb04614be39e9903c602dd65ba18426f6a6f2 Mon Sep 17 00:00:00 2001
From: hanliyang <hanliyang@hygon.cn>
Date: Sun, 19 Jun 2022 18:12:35 +0800
Subject: [PATCH 8/9] OvmfPkg/BaseMemEncryptLib: Return SUCCESS if not support
SEV live migration
Add this change to avoid trigger 'ASSERT_EFI_ERROR (Status = Unsupported)'
when QEMU doesn't support SEV live migration.
Signed-off-by: hanliyang <hanliyang@hygon.cn>
---
OvmfPkg/Library/BaseMemEncryptSevLib/X64/MemEncryptSevLib.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/OvmfPkg/Library/BaseMemEncryptSevLib/X64/MemEncryptSevLib.c b/OvmfPkg/Library/BaseMemEncryptSevLib/X64/MemEncryptSevLib.c
index a64ff2a5..7b29582d 100644
--- a/OvmfPkg/Library/BaseMemEncryptSevLib/X64/MemEncryptSevLib.c
+++ b/OvmfPkg/Library/BaseMemEncryptSevLib/X64/MemEncryptSevLib.c
@@ -168,10 +168,12 @@ SetMemoryEncDecHypercall3 (
UINTN Error;
UINTN EncryptState;
- Ret = RETURN_UNSUPPORTED;
+ //
+ // Return success if not support migration.
+ //
+ Ret = RETURN_SUCCESS;
if (MemEncryptSevLiveMigrationIsEnabled ()) {
- Ret = RETURN_SUCCESS;
//
// The encryption bit is set/clear on the smallest page size, hence
// use the 4k page size in MAP_GPA_RANGE hypercall below.
--
2.25.1