On Fri, 6 Mar 2015, Tamas K Lengyel wrote: > From: Julien Grall <julien.gr...@linaro.org> > > The function domain_get_maximum_gpfn is returning the maximum gpfn ever > mapped in the guest. We can use d->arch.p2m.max_mapped_gfn for this purpose. > > We use this in xenaccess as to avoid the user attempting to set page > permissions on pages which don't exist for the domain, as a non-arch specific > sanity check. > > Signed-off-by: Julien Grall <julien.gr...@linaro.org>
Acked-by: Stefano Stabellini <stefano.stabell...@eu.citrix.com> > xen/arch/arm/mm.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/xen/arch/arm/mm.c b/xen/arch/arm/mm.c > index 7d4ba0c..ca0aa69 100644 > --- a/xen/arch/arm/mm.c > +++ b/xen/arch/arm/mm.c > @@ -985,7 +985,7 @@ int page_is_ram_type(unsigned long mfn, unsigned long > mem_type) > > unsigned long domain_get_maximum_gpfn(struct domain *d) > { > - return -ENOSYS; > + return d->arch.p2m.max_mapped_gfn; > } > > void share_xen_page_with_guest(struct page_info *page, > -- > 2.1.4 > _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel