Re: [PATCH] mm/userfaultfd: Disable userfaultfd-wp on x86_32

From: Andrea Arcangeli
Date: Mon Apr 13 2020 - 14:36:26 EST


On Mon, Apr 13, 2020 at 10:16:08AM -0400, Peter Xu wrote:
> Userfaultfd-wp is not yet working on 32bit hosts, but it's
> accidentally enabled previously. Disable it.
>
> Fixes: 5a281062af1d ("userfaultfd: wp: add WP pagetable tracking to x86")
> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx>
> Cc: Hillf Danton <hdanton@xxxxxxxx>
> Reported-by: Naresh Kamboju <naresh.kamboju@xxxxxxxxxx>
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> Tested-by: Naresh Kamboju <naresh.kamboju@xxxxxxxxxx>
> Signed-off-by: Peter Xu <peterx@xxxxxxxxxx>
> ---
> arch/x86/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)

Reviewed-by: Andrea Arcangeli <aarcange@xxxxxxxxxx>

Thanks,
Andrea