Re: [Xen-devel] [PATCH 09/14] xen: Introduce HAS_M2P config and use to protect mfn_to_gmfn call

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

On Thu, 9 May 2019, Julien Grall wrote:
> Hi,
> 
> On 5/9/19 7:06 PM, Stefano Stabellini wrote:
> > On Tue, 7 May 2019, Julien Grall wrote:
> > > diff --git a/xen/include/xen/domain.h b/xen/include/xen/domain.h
> > > index d1bfc82f57..f1761fe183 100644
> > > --- a/xen/include/xen/domain.h
> > > +++ b/xen/include/xen/domain.h
> > > @@ -118,4 +118,12 @@ struct vnuma_info {
> > >     void vnuma_destroy(struct vnuma_info *vnuma);
> > >   +#ifdef CONFIG_HAS_M2P
> > > +#define domain_shared_info_gfn(d) ({                            \
> > > +    const struct domain *d_ = (d);                              \
> > > +                                                                \
> > > +    mfn_to_gfn(d_, _mfn(__virt_to_mfn(d_->shared_info)));       \
> > 
> > Aren't you missing a _gfn here?
> > 
> >    _gfn(mfn_to_gfn(d, _mfn(__virt_to_mfn(d->shared_info))));
> 
> Patch #3 of this series convert mfn_to_gfn to use typesafe MFN & GFN. So the
> function now return a gfn_t.

Ah! Somehow I am missing patches 2-3-4 in my inbox. I'll try to get them
from the archive.

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