[dpdk-dev] [PATCH] vhost: enable live migration

Huawei Xie huawei.xie at intel.com
Wed May 27 05:01:31 CEST 2015


When we migrate VM, without this feature, qemu will report error:
"migrate: Migration disabled: vhost lacks VHOST_F_LOG_ALL feature".

Signed-off-by: Krishna Murthy  <krishna.j.murthy at intel.com>
---
 lib/librte_vhost/virtio-net.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/librte_vhost/virtio-net.c b/lib/librte_vhost/virtio-net.c
index 4672e67..fced2ab 100644
--- a/lib/librte_vhost/virtio-net.c
+++ b/lib/librte_vhost/virtio-net.c
@@ -66,7 +66,8 @@ static struct virtio_net_config_ll *ll_root;
 /* Features supported by this lib. */
 #define VHOST_SUPPORTED_FEATURES ((1ULL << VIRTIO_NET_F_MRG_RXBUF) | \
 				(1ULL << VIRTIO_NET_F_CTRL_VQ) | \
-				(1ULL << VIRTIO_NET_F_CTRL_RX))
+				(1ULL << VIRTIO_NET_F_CTRL_RX) | \
+				(1ULL << VHOST_F_LOG_ALL))
 static uint64_t VHOST_FEATURES = VHOST_SUPPORTED_FEATURES;
 
 
-- 
1.8.1.4



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