vhost-user: Skip unnecessary duplicated VHOST_USER_SET_LOG_BASE requests

Commit Message

项文成 June 13, 2024, 6:51 a.m. UTC

From: BillXiang <[e-mail]>

The VHOST_USER_SET_LOG_BASE requests should be categorized into
non-vring specific messages, and should be sent only once.
If send more than once, dpdk will munmap old log_addr which may has been used and cause segmentation fault.

Signed-off-by: BillXiang <[e-mail]>
---
 hw/virtio/vhost-user.c | 1 +
 1 file changed, 1 insertion(+)

Patch

diff --git a/hw/virtio/vhost-user.c b/hw/virtio/vhost-user.c
index cdf9af4a4b..41e34edd49 100644
--- a/hw/virtio/vhost-user.c
+++ b/hw/virtio/vhost-user.c
@@ -371,6 +371,7 @@  static bool vhost_user_per_device_request(VhostUserRequest request)
     case VHOST_USER_RESET_DEVICE:
     case VHOST_USER_ADD_MEM_REG:
     case VHOST_USER_REM_MEM_REG:
+    case VHOST_USER_SET_LOG_BASE:
         return true;
     default:
         return false;