From e6a20047ca9f61d7fc544e4f0b9b26aa268ccda7 Mon Sep 17 00:00:00 2001
From: hanliyang <hanliyang@hygon.cn>
Date: Tue, 8 Dec 2020 22:57:46 -0500
Subject: [PATCH] migration/ram: Force encrypted status for VGA vram

The VGA vram memory region act as frame buffer of VM. This memory
is decrypted in the QEMU process. For CSV VM live migration, we
should avoid memory encryption status check on VGA vram.

Signed-off-by: hanliyang <hanliyang@hygon.cn>
---
 migration/ram.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/migration/ram.c b/migration/ram.c
index 9ecd8580c5..66a36736ad 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -2159,6 +2159,10 @@ static bool encrypted_test_list(RAMState *rs, RAMBlock *block,
         return false;
     }
 
+    if (!strcmp(memory_region_name(block->mr), "vga.vram")) {
+        return false;
+    }
+
     /*
      * Translate page in ram_addr_t address space to GPA address
      * space using memory region.
-- 
2.41.0.windows.1