On 07/01/15 15:18, Juergen Gross wrote: > On 01/07/2015 03:47 PM, David Vrabel wrote: >> The page table walk is only needed to distinguish between identity and >> missing, both of which have INVALID_P2M_ENTRY. > > As get_phys_to_machine is called by __pfn_to_mfn() only which already > checks for mfn == INVALID_P2M_ENTRY this optimization will have an > effect only in the early boot case with pfn >= xen_p2m_size. > > I doubt this is necessary.
Doh. Now I remember suggesting this "optimization" before and getting the same answer from you. I'll drop this patch. David _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
