Re: [Xen-devel] [PATCH RFC v1 28/74] x86: initialise shared_info page

[Roger Pau Monné <roger.pau@xxxxxxxxxx>]

On Fri, Jan 05, 2018 at 02:20:16PM +0000, Andrew Cooper wrote:
> On 05/01/18 14:11, Jan Beulich wrote:
> >>>> On 04.01.18 at 14:05, <wei.liu2@xxxxxxxxxx> wrote:
> >> --- a/xen/arch/x86/guest/xen.c
> >> +++ b/xen/arch/x86/guest/xen.c
> >> @@ -72,6 +72,30 @@ void __init probe_hypervisor(void)
> >>      xen_guest = true;
> >>  }
> >>  
> >> +static void map_shared_info(struct e820map *e820)
> >> +{
> >> +    paddr_t frame = 0xff000000; /* TODO: Hardcoded beside magic frames. */
> > What are the plans here?
> 
> Nothing immediately.  This is compatible with all versions of libxc in
> existance, but we need to start a thread discussing HVM guest physical
> address space.

Patches 43/44/45 remove this hardcoding.

Roger.

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