Messages in this thread | | | Date | Tue, 19 Jul 2022 16:49:08 -0400 | From | Peter Xu <> | Subject | Re: [RFC PATCH 02/14] userfaultfd: try to map write-unprotected pages |
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On Mon, Jul 18, 2022 at 05:02:00AM -0700, Nadav Amit wrote: > From: Nadav Amit <namit@vmware.com> > > 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@redhat.com> > Cc: Andrew Cooper <andrew.cooper3@citrix.com> > Cc: Andrew Morton <akpm@linux-foundation.org> > Cc: Andy Lutomirski <luto@kernel.org> > Cc: Dave Hansen <dave.hansen@linux.intel.com> > Cc: David Hildenbrand <david@redhat.com> > Cc: Peter Xu <peterx@redhat.com> > Cc: Peter Zijlstra <peterz@infradead.org> > Cc: Thomas Gleixner <tglx@linutronix.de> > Cc: Will Deacon <will@kernel.org> > Cc: Yu Zhao <yuzhao@google.com> > Cc: Nick Piggin <npiggin@gmail.com> > Signed-off-by: Nadav Amit <namit@vmware.com>
Acked-by: Peter Xu <peterx@redhat.com>
-- Peter Xu
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