Re: [PATCH net] virtio-net: validate features during probe

From: Jason Wang
Date: Wed Nov 19 2014 - 02:07:44 EST

On 11/19/2014 02:35 PM, Jason Wang wrote:
> This patch validates feature dependencies during probe and fail the probing
> if a dependency is missed. This fixes the issues of hitting BUG()
> when qemu fails to advertise features correctly. One example is booting
> guest with ctrl_vq=off through qemu.
> Cc: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
> Cc: Michael S. Tsirkin <mst@xxxxxxxxxx>
> Cc: Cornelia Huck <cornelia.huck@xxxxxxxxxx>
> Cc: Wanlong Gao <gaowanlong@xxxxxxxxxxxxxx>
> Signed-off-by: Jason Wang <jasowang@xxxxxxxxxx>
> ---

Just notice UFO has been disabled after
3d0ad09412ffe00c9afa201d01effdb6023d09b4 "drivers/net: Disable UFO
through virtio". Will post V2 and drop VIRTIO_NET_F_*_UFO from the

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at