X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;ds=sidebyside;f=lib%2Flibrte_vhost%2Fvhost_user.h;h=35ebd71903cdd0f6dbbe1d16b3c80a3490249c59;hb=b82a987ffc950671ec4a6b8476e8d5f4a0f86f1a;hp=2ba22dbb09fb70152cb560b5d7564ca3c4d49fb1;hpb=a798beb47c8e40f03261ee869a00578d2c44c824;p=dpdk.git

diff --git a/lib/librte_vhost/vhost_user.h b/lib/librte_vhost/vhost_user.h
index 2ba22dbb09..35ebd71903 100644
--- a/lib/librte_vhost/vhost_user.h
+++ b/lib/librte_vhost/vhost_user.h
@@ -49,10 +49,14 @@
 #define VHOST_USER_PROTOCOL_F_REPLY_ACK	3
 #define VHOST_USER_PROTOCOL_F_NET_MTU 4
 
+/*
+ * disable REPLY_ACK feature to workaround the buggy QEMU implementation.
+ * Proved buggy QEMU includes v2.7 - v2.9.
+ */
 #define VHOST_USER_PROTOCOL_FEATURES	((1ULL << VHOST_USER_PROTOCOL_F_MQ) | \
 					 (1ULL << VHOST_USER_PROTOCOL_F_LOG_SHMFD) |\
 					 (1ULL << VHOST_USER_PROTOCOL_F_RARP) | \
-					 (1ULL << VHOST_USER_PROTOCOL_F_REPLY_ACK) | \
+					 (0ULL << VHOST_USER_PROTOCOL_F_REPLY_ACK) | \
 					 (1ULL << VHOST_USER_PROTOCOL_F_NET_MTU))
 
 typedef enum VhostUserRequest {