Re: aio poll, io_pgetevents and a new in-kernel poll API V3

Colin Walters
2018-01-18T17:55:50Z

On Thu, Jan 18, 2018, at 11:44 AM, Jeff Moyer wrote:
> Jeff Moyer <jmoyer@redhat.com> writes:
>
> > FYI, this kernel has issues. It will boot up, but I don't have
> > networking, and even rebooting doesn't succeed. I'm looking into it.
>
> A bisect lands on: eventfd: switch to ->poll_mask. That's not super
> helpful, though. I did run the ltp eventfd2 tests, and they all pass.

FWIW: https://git.gnome.org/browse/glib/commit/?id=3904c8761a60dbadbdfaf98fe23ff19cbdcc4a9a

Since that a lot of userspace (including NetworkManager) uses eventfd. I haven't
tried this patchset myself but I'd look at what the GLib mainloop is doing.