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xen-devel
[Xen-devel] Re: [Xen-changelog] [XENBUS] Avoid direct use of xen_start_i
> This is great, because on PowerPC we're looking to drop struct
> start_info entirely. However, I notice there are still a fair number of
> 'xen_start_info' references in drivers/xen. Are there more of these
> patches coming Steven, or since HVM guests don't use those drivers
> you're not pursuing them?
I wasn't planning on doing so since, as you say, none of the others
are relevant to HVM guests.
> > @@ -1014,8 +1017,13 @@ static int __init xenbus_probe_init(void
> > if (xsd_port_intf)
> > xsd_port_intf->read_proc = xsd_port_read;
> > #endif
> > - } else
> > + } else {
> > xenstored_ready = 1;
> > + xen_store_evtchn = xen_start_info->store_evtchn;
> > + xen_store_mfn = xen_start_info->store_mfn;
> > + }
> > +
> > + xen_store_interface = mfn_to_virt(xen_store_mfn);
> >
> > /* Initialize the interface to xenstore. */
> > err = xs_init();
> Could we abstract this part more please? I think calling into an
> arch-provided xen_get_store_mfn() function would be good. (And of course
> the same for store_evtchn and the console_* equivalents.)
This'd probably reduce the number of #ifdef's in the PV-on-HVM patches
as well, so I'd be happy to see it.
Steven.
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