Re: [Qemu-devel] [PATCH] vhost-user: modify SET_LOG_BASE to pass mmap size and offset

["Michael S. Tsirkin" <mst@redhat.com>]

On Wed, Nov 11, 2015 at 04:33:05PM +0100, Marc-André Lureau wrote:
> Hi
> 
> On Wed, Nov 11, 2015 at 3:26 PM, Victor Kaplansky <victork@redhat.com> wrote:
> >
> > -      Sets the logging base address.
> > +      Sets logging shared memory space.
> > +      When slave has VHOST_USER_PROTOCOL_F_LOG_SHMFD protocol
> > +      feature, the log memory fd is provided in the ancillary data of
> > +      VHOST_USER_SET_LOG_BASE message, the size and offset of shared
> > +      memory area provided in the message.
> 
> I think this extra payload needs a better description, in payload
> description above. Something like
> 
>  * A pair of 64-bit integers
>    -------------
>    | u64 | u64 |
>    -------------
> 
>    u64: a 64-bit unsigned integer
> 
> "the size and offset of shared memory area provided in the message as
> a pair of 64-bit integers."

Sounds good. I've queued this one up, pls tweak docs
with patches on top.

> -- 
> Marc-André Lureau