On Mon, Jul 18, 2022 at 05:02:00AM -0700, Nadav Amit wrote: > From: Nadav Amit <namit@xxxxxxxxxx> > > When using userfaultfd write-(un)protect ioctl, try to change the PTE to > be writable. This would save a page-fault afterwards. > > Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx> > Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx> > Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > Cc: Andy Lutomirski <luto@xxxxxxxxxx> > Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx> > Cc: David Hildenbrand <david@xxxxxxxxxx> > Cc: Peter Xu <peterx@xxxxxxxxxx> > Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> > Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> > Cc: Will Deacon <will@xxxxxxxxxx> > Cc: Yu Zhao <yuzhao@xxxxxxxxxx> > Cc: Nick Piggin <npiggin@xxxxxxxxx> > Signed-off-by: Nadav Amit <namit@xxxxxxxxxx> Acked-by: Peter Xu <peterx@xxxxxxxxxx> -- Peter Xu
