Subject: Re: [PATCH v2 net 2/3] virtio_net: fix adding vids on big-endian

From: "Michael S. Tsirkin" <[email-masked]>
Date: Thu, 19 Apr 2018 17:56:04 +0300

On Thu, Apr 19, 2018 at 03:26:41PM +0200, Cornelia Huck wrote:
> On Thu, 19 Apr 2018 08:30:49 +0300
> "Michael S. Tsirkin" <[email-masked]> wrote:
> 
> > Programming vids (adding or removing them) still passes
> > guest-endian values in the DMA buffer. That's wrong
> > if guest is big-endian and when virtio 1 is enabled.
> > 
> > Note: this is on top of a previous patch:
> > 	virtio_net: split out ctrl buffer
> > 
> > Fixes: 9465a7a6f ("virtio_net: enable v1.0 support")
> > Signed-off-by: Michael S. Tsirkin <[email-masked]>
> > ---
> >  drivers/net/virtio_net.c | 6 +++---
> >  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> Ouch. Have you seen any bug reports for that?

No, but then vlans within VMs aren't used too often
(as opposed to attaching vlans by the HV).

-- 
MST