[LTP] [PATCH] userfaultfd05: allow TCONF when UFFD-WP is unsupported

[Li Wang]

> > --- a/testcases/kernel/syscalls/userfaultfd/userfaultfd05.c
> > +++ b/testcases/kernel/syscalls/userfaultfd/userfaultfd05.c
> > @@ -92,11 +92,11 @@ static void run(void)
>
> >       uffdio_api.api = UFFD_API;
> >       uffdio_api.features = UFFD_FEATURE_PAGEFAULT_FLAG_WP;
> > -     SAFE_IOCTL(uffd, UFFDIO_API, &uffdio_api);
> > +     if (ioctl(uffd, UFFDIO_API, &uffdio_api) < 0) {
> > +             if (!(uffdio_api.features & UFFD_FEATURE_PAGEFAULT_FLAG_WP))
> > +                     tst_brk(TCONF, "UFFD write-protect unsupported");
>
> > -     if (!(uffdio_api.features & UFFD_FEATURE_PAGEFAULT_FLAG_WP)) {
> > -             tst_brk(TCONF, "UFFD write-protect unsupported");
> > -             return;
> > +             tst_brk(TBROK | TERRNO, "ioctl_userfaultfd failed");

> very nit: I would write "ioctl() on userfaultfd failed"?  I was thinking what
> ioctl_userfaultfd is, but ok, there is man ioctl_userfaultfd(2).

Sure, patch megerd as you suggested, thanks!


-- 
Regards,
Li Wang