On Wed, 15 Apr 2020 07:39:00 -0700, Chris Wilson wrote: > > The poll() is proving unreliable, where our tests timeout without the > spinner being terminated. Let's try a blocking read instead! > > Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/1676 > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > Cc: "Dixit, Ashutosh" <ashutosh.dixit@xxxxxxxxx> Reviewed-by: Ashutosh Dixit <ashutosh.dixit@xxxxxxxxx> > --- > lib/igt_dummyload.c | 12 ++++++------ > 1 file changed, 6 insertions(+), 6 deletions(-) > > diff --git a/lib/igt_dummyload.c b/lib/igt_dummyload.c > index 99ca84ad8..ae0fb9378 100644 > --- a/lib/igt_dummyload.c > +++ b/lib/igt_dummyload.c > @@ -399,14 +399,14 @@ igt_spin_factory(int fd, const struct igt_spin_factory *opts) > static void *timer_thread(void *data) > { > igt_spin_t *spin = data; > - struct pollfd pfd = { > - .fd = spin->timerfd, > - .events = POLLIN, > - }; > + uint64_t overruns = 0; > > - if (poll(&pfd, 1, -1) >= 0) > - igt_spin_end(spin); > + /* Wait until we see the timer fire, or we get cancelled */ > + do { > + read(spin->timerfd, &overruns, sizeof(overruns)); > + } while (!overruns); > > + igt_spin_end(spin); > return NULL; > } > > -- > 2.26.0 > _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
