OvmfPkg: Virtio: load used ring element strictly after loading used index

[mirror_edk2.git] / OvmfPkg / Library / VirtioLib / VirtioLib.c

diff --git a/OvmfPkg/Library/VirtioLib/VirtioLib.c b/OvmfPkg/Library/VirtioLib/VirtioLib.c
index 87797e10e7b8bfc7f02cc87e6ad5282f3c7677d9..959bc5da87682f0fb743a51612c29bfbff02f803 100644 (file)
--- a/OvmfPkg/Library/VirtioLib/VirtioLib.c
+++ b/OvmfPkg/Library/VirtioLib/VirtioLib.c
@@ -456,5 +456,6 @@ VirtioFlush (
     MemoryFence();\r
   }\r
 \r
+  MemoryFence();\r
   return EFI_SUCCESS;\r
 }\r