Re: [PATCH v3 0/7] mm, x86/vdso: Special IO mapping improvements

2016-01-04 Thread Kees Cook
On Tue, Dec 29, 2015 at 8:12 PM, Andy Lutomirski wrote: > This applies on top of the earlier vdso pvclock series I sent out. > Once that lands in -tip, this will apply to -tip. > > This series cleans up the hack that is our vvar mapping. We currently > initialize the vvar mapping as a special map

[PATCH v3 0/7] mm, x86/vdso: Special IO mapping improvements

2015-12-29 Thread Andy Lutomirski
This applies on top of the earlier vdso pvclock series I sent out. Once that lands in -tip, this will apply to -tip. This series cleans up the hack that is our vvar mapping. We currently initialize the vvar mapping as a special mapping vma backed by nothing whatsoever and then we abuse remap_pfn_