[LTP] [PATCH v2 0/2] epoll_pwait2() timeout regression test

Petr Vorel pvorel@suse.cz
Wed Jun 4 09:34:29 CEST 2025


Hi Martin,

> There seems to be a regression in kernel v6.14 where epoll_pwait2()
> interprets very small timeout values (~1000ns) as infinity and waits
> for events forever. This patchset adds regression test for this bug
> and a necessary refactor for do_epoll_pwait() to allow high precision
> timeouts.

Good catch! BTW it looks to me 0a65bc27bd64 is from v6.15-rc3 (e.g. 6.15
development cycle), but it was backported to 6.14 stable as 99a0ad16dfd11
to v6.14.4. Obviously fixing commit d9ec73301099 has also been backported
(to v6.14.8).

Kind regards,
Petr



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