[PATCH 0/5] x86, mm: PTI Global page fixes for 4.17

[Dave Hansen <dave.hansen@linux.intel.com>]

There have been a number of reports about issues with the patches that
restore the Global PTE bit when using KPIT.  This set resolves all of
the issues that have been reported.

These have been pushed out to a git tree where 0day should be chewing
on them.  Considering the troubles thus far, we should probably wait
for 0day to spend _some_ time on these fixes before these get merged.

Cc: Aaro Koskinen <aaro.koskinen@nokia.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Fengguang Wu <fengguang.wu@intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Hugh Dickins <hughd@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Juergen Gross <jgross@suse.com>
Cc: Kees Cook <keescook@google.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mariusz Ceier <mceier@gmail.com>
Cc: Nadav Amit <namit@vmware.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: linux-mm@kvack.org