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

[Ouyang, Changchun]

> -----Original Message-----
> From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Huawei Xie
> Sent: Wednesday, May 27, 2015 11:02 AM
> To: dev at dpdk.org
> Subject: [dpdk-dev] [PATCH] vhost: enable live migration
> 
> When we migrate VM, without this feature, qemu will report error:
> "migrate: Migration disabled: vhost lacks VHOST_F_LOG_ALL feature".
> 

Is this enough for vhost to support  migrate VM?
I remember Claire has another patch, possibly need refer to that patch.

> 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