This reverts commit 04d81227960b5c1cf2f11f492100979ead20c526. As agreed when this workaround was introduced, it can be reverted as Qemu v2.10 that fixes the issue is now out.
The reply-ack feature is required for vhost-user IOMMU support. Signed-off-by: Maxime Coquelin <maxime.coque...@redhat.com> --- lib/librte_vhost/vhost_user.h | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/lib/librte_vhost/vhost_user.h b/lib/librte_vhost/vhost_user.h index 35ebd7190..2ba22dbb0 100644 --- a/lib/librte_vhost/vhost_user.h +++ b/lib/librte_vhost/vhost_user.h @@ -49,14 +49,10 @@ #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) | \ - (0ULL << VHOST_USER_PROTOCOL_F_REPLY_ACK) | \ + (1ULL << VHOST_USER_PROTOCOL_F_REPLY_ACK) | \ (1ULL << VHOST_USER_PROTOCOL_F_NET_MTU)) typedef enum VhostUserRequest { -- 2.13.3