Re: [PATCH] vhost: make msg padding explicit

From: Kevin Easton
Date: Wed May 02 2018 - 02:28:18 EST


On Tue, May 01, 2018 at 02:05:51PM -0400, David Miller wrote:
> From: "Michael S. Tsirkin" <mst@xxxxxxxxxx>
> Date: Tue, 1 May 2018 20:19:19 +0300
>
> > On Tue, May 01, 2018 at 11:28:22AM -0400, David Miller wrote:
> >> From: "Michael S. Tsirkin" <mst@xxxxxxxxxx>
> >> Date: Fri, 27 Apr 2018 19:02:05 +0300
> >>
> >> > There's a 32 bit hole just after type. It's best to
> >> > give it a name, this way compiler is forced to initialize
> >> > it with rest of the structure.
> >> >
> >> > Reported-by: Kevin Easton <kevin@xxxxxxxxxxx>
> >> > Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
> >>
> >> Michael, will you be sending this directly to Linus or would you like
> >> me to apply it to net or net-next?
> >>
> >> Thanks.
> >
> > I'd prefer you to apply it for net and cc stable if possible.
>
> Ok, applied, and added to my -stable submission queue.

Hold on, this patch changes the layout for i386 (where there is
no padding at all). And it's part of UAPI.

- Kevin

>