Re: [PATCH v3 2/8] KVM: selftests: Add demand paging content to the demand paging test

[Ben Gardon]

Done. I'll have it in the next version of the patch set I send out.

On Tue, Jan 7, 2020 at 8:00 AM Peter Xu <peterx@xxxxxxxxxx> wrote:
>
> On Mon, Dec 16, 2019 at 01:38:55PM -0800, Ben Gardon wrote:
>
> [...]
>
> > +static void *uffd_handler_thread_fn(void *arg)
> > +{
> > +     struct uffd_handler_args *uffd_args = (struct uffd_handler_args *)arg;
> > +     int uffd = uffd_args->uffd;
> > +     int64_t pages = 0;
> > +
> > +     while (!quit_uffd_thread) {
> > +             struct uffd_msg msg;
> > +             struct pollfd pollfd[1];
> > +             int r;
> > +             uint64_t addr;
> > +
> > +             pollfd[0].fd = uffd;
> > +             pollfd[0].events = POLLIN;
> > +
> > +             /*
> > +              * TODO this introduces a 0.5sec delay at the end of the test.
> > +              * Reduce the timeout or eliminate it following the example in
> > +              * tools/testing/selftests/vm/userfaultfd.c
> > +              */
> > +             r = poll(pollfd, 1, 500);
>
> Would you mind implement it instead of adding a todo?  IIUC it's as
> simple as a few more lines than the comment itself.  Thanks,
>
> --
> Peter Xu
>