Re: [Xen-devel] [PATCH RFC 3/9] xen: arm: handle concatenated root tables in dump_pt_walk

[Julien Grall <julien.grall@xxxxxxxxxx>]

Hi Ian,

On 04/09/14 07:40, Ian Campbell wrote:
> On Wed, 2014-07-30 at 17:58 +0100, Julien Grall wrote:
> > > -    first = __map_domain_page(p2m->root);
> > > -    dump_pt_walk(first, addr, P2M_ROOT_LEVEL);
> > > -    unmap_domain_page(first);
> > > +    dump_pt_walk(page_to_maddr(p2m->root), addr,
> > You can directly use p2m->vttbr and avoid to call page_to_maddr.
> Not quite since vttbr contains the vmid encoding.
>
> page_to_maddr is cheap enough for a debug path I think.
Hmmm, right. Sorry for the noise.

Regards,



--
Julien Grall

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