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Re: [Xen-devel] [PATCH 14/23] vhost: convert to MemoryListener API



On Thu, Dec 22, 2011 at 02:50:27PM +0200, Avi Kivity wrote:
> On 12/22/2011 02:50 PM, Michael S. Tsirkin wrote:
> > On Mon, Dec 19, 2011 at 04:13:35PM +0200, Avi Kivity wrote:
> > > +static void vhost_log_start(MemoryListener *listener,
> > > +                            MemoryRegionSection *section)
> > > +{
> > > +    /* FIXME: implement */
> > > +}
> > > +
> > > +static void vhost_log_stop(MemoryListener *listener,
> > > +                           MemoryRegionSection *section)
> > > +{
> > > +    /* FIXME: implement */
> > > +}
> > > +
> >
> > What exactly do we need to fix here?
> 
> Tell vhost to start tracking those regions?
> 
> I guess you don't often read packets into the framebuffer, or we'd have
> a lot of bug reports.

Yes, we currently simply don't pass these regions to vhost.
It currently signals an error if such is
observed, so we could handle framebuffer in userspace
if we wanted to.

> -- 
> error compiling committee.c: too many arguments to function

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