On Tue, 13 Mar 2018, Laurent Dufour wrote: > This configuration variable will be used to build the code needed to > handle speculative page fault. > > By default it is turned off, and activated depending on architecture > support. > > Suggested-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> > Signed-off-by: Laurent Dufour <ldufour@xxxxxxxxxxxxxxxxxx> > --- > mm/Kconfig | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/mm/Kconfig b/mm/Kconfig > index abefa573bcd8..07c566c88faf 100644 > --- a/mm/Kconfig > +++ b/mm/Kconfig > @@ -759,3 +759,6 @@ config GUP_BENCHMARK > performance of get_user_pages_fast(). > > See tools/testing/selftests/vm/gup_benchmark.c > + > +config SPECULATIVE_PAGE_FAULT > + bool Should this be configurable even if the arch supports it?
