linux-kernel - Re: [PATCH] virtio-net: drop legacy features in virtio 1 mode

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Date:   Fri, 4 Nov 2016 12:15:47 +0100
From:   Cornelia Huck <cornelia.huck@...ibm.com>
To:     "Michael S. Tsirkin" <mst@...hat.com>
Cc:     linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        stable@...r.kernel.org, virtualization@...ts.linux-foundation.org
Subject: Re: [PATCH] virtio-net: drop legacy features in virtio 1 mode

On Fri, 4 Nov 2016 12:55:36 +0200
"Michael S. Tsirkin" <mst@...hat.com> wrote:

> Virtio 1.0 spec says VIRTIO_F_ANY_LAYOUT and VIRTIO_NET_F_GSO are
> legacy-only feature bits. Do not negotiate them in virtio 1 mode.  Note
> this is a spec violation so we need to backport it to stable/downstream
> kernels.
> 
> Cc: stable@...r.kernel.org
> Signed-off-by: Michael S. Tsirkin <mst@...hat.com>
> ---
>  drivers/net/virtio_net.c | 30 ++++++++++++++++++++----------
>  1 file changed, 20 insertions(+), 10 deletions(-)

Reviewed-by: Cornelia Huck <cornelia.huck@...ibm.com>