From 901330a9161de852bf99ad7b2c629bae00af2b7a Mon Sep 17 00:00:00 2001
From: hanliyang <hanliyang@hygon.cn>
Date: Sun, 19 Jun 2022 18:12:35 +0800
Subject: [PATCH 46/46] anolis: 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.

Change-Id: I48066d6cf1b4357c984496bcb6450be4d35b7e16
---
 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 a6246d4..e50231c 100644
--- a/OvmfPkg/Library/BaseMemEncryptSevLib/X64/MemEncryptSevLib.c
+++ b/OvmfPkg/Library/BaseMemEncryptSevLib/X64/MemEncryptSevLib.c
@@ -169,10 +169,12 @@ 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.
-- 
2.17.1