Re: [PATCH V6 1/2] xen/arm: Introduce gpaddr_bits field to struct xen_domctl_getdomaininfo

[Ian Jackson <iwj@xxxxxxxxxxxxxx>]

Oleksandr writes ("Re: [PATCH V6 1/2] xen/arm: Introduce gpaddr_bits field to 
struct xen_domctl_getdomaininfo"):
> > Oleksandr Tyshchenko writes ("[PATCH V6 1/2] xen/arm: Introduce gpaddr_bits 
> > field to struct xen_domctl_getdomaininfo"):
> > You say "to the toolstack", but you are exposing this information up
> > to callers of libxl.  Do you mean some higher-layer toolstack that
> > uses libxl ?  What does it use this information for ?
> >
> > FTAOD I am not opposed to exposing this in this way; indeed it seems
> > likely to be useful.  I just want to fully understand before I give
> > this my tools ack.
> 
> I didn't mean any higher-layer toolstack, sorry if I was unclear. In the 
> first place this information is
> needed by the entity which generates the device-tree for the guest on 
> Arm (tools/libs/light/libxl_arm.c) to properly calculate the extended 
> regions to be inserted into the hypervisor node.

Right, OK.  So I think this is being exposed at the libxl
gratuitously, because someone might want it in the future.
I approve :-).

Reviewed-by: Ian Jackson <iwj@xxxxxxxxxxxxxx>

Thanks,
Ian.