>>> On 07.09.18 at 14:36, <paul.durr...@citrix.com> wrote: >> -----Original Message----- >> From: Jan Beulich [mailto:jbeul...@suse.com] >> Sent: 07 September 2018 12:11 >> To: Paul Durrant <paul.durr...@citrix.com> >> Cc: George Dunlap <george.dun...@citrix.com>; Kevin Tian >> <kevin.t...@intel.com>; xen-devel <xen-devel@lists.xenproject.org> >> Subject: Re: [PATCH v6 08/14] vtd: add lookup_page method to iommu_ops >> >> >>> On 23.08.18 at 11:47, <paul.durr...@citrix.com> wrote: >> > This patch adds a new method to the VT-d IOMMU implementation to find >> the >> > MFN currently mapped by the specified BFN along with a wrapper function >> in >> > generic IOMMU code to call the implementation if it exists. >> >> For this to go in, I think the AMD side of it wants to also be implemented. > > Why? It can be done later. Nothing existing is going to break if it is not > implemented.
If it was something that's terribly difficult to implement, I'd probably agree. But introducing PV IOMMU for Intel only (and hence once again making AMD a second class citizen) I don't really like. Another thing would be if you had the implementation ready, but the maintainer(s) don't respond... Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel