[PATCH 1/1] vhost-user: Skip unnecessary duplicated VHOST_USER_ADD/REM_MEM_REG requests

[Minghao Yuan]

The VHOST_USER_ADD/REM_MEM_REG requests should be categorized into
non-vring specific messages, and should be sent only once.

Signed-off-by: Minghao Yuan <yuanmh12@chinatelecom.cn>
---
 configure              | 2 +-
 hw/virtio/vhost-user.c | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/configure b/configure
index 9e407ce2e3..8b4deca342 100755
--- a/configure
+++ b/configure
@@ -1147,7 +1147,7 @@ cat > $TMPC << EOF
 #  endif
 # endif
 #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
-# if __GNUC__ < 7 || (__GNUC__ == 7 && __GNUC_MINOR__ < 4)
+# if __GNUC__ < 7 || (__GNUC__ == 7 && __GNUC_MINOR__ < 3)
 #  error You need at least GCC v7.4.0 to compile QEMU
 # endif
 #else
diff --git a/hw/virtio/vhost-user.c b/hw/virtio/vhost-user.c
index d9ce0501b2..3f2a8c3bdd 100644
--- a/hw/virtio/vhost-user.c
+++ b/hw/virtio/vhost-user.c
@@ -459,6 +459,8 @@ static bool vhost_user_one_time_request(VhostUserRequest 
request)
     case VHOST_USER_SET_MEM_TABLE:
     case VHOST_USER_GET_QUEUE_NUM:
     case VHOST_USER_NET_SET_MTU:
+    case VHOST_USER_ADD_MEM_REG:
+    case VHOST_USER_REM_MEM_REG:
         return true;
     default:
         return false;
-- 
2.27.0