On Mon, Apr 12, 2021 at 10:26:40AM +0200, Christoph Hellwig wrote: > On Mon, Apr 12, 2021 at 10:00:14AM +0200, Peter Zijlstra wrote: > > Instead of relying on apply_to_page_range() being available to > > modules, move its use into core kernel code and export it's > > application. > > This doesn't exactly look great, but at least it contains the damage.. That was just about as far as I got... > > NOTE: ideally we do: use_ptemod = !auto_translate_physmap && > > gnttab_map_avail_bits and remove this hack. > > Given how much pain the !auto_translate_physmap case causes all over > the kernel I wonder what a realistic timeline might be for dropping > support for this case might be.. I've no experience with any of that; it looks absolutely disguisting, all of it. I figured that's part of the Xen 'charm' :-)
