Re: [PATCH] hrtimer: make epoll_wait() use the hrtimer rangefeature

[Davide Libenzi]

On Sun, 8 Aug 2010, Shawn Bohrer wrote:

> This make epoll use hrtimers for the timeout value which prevents
> epoll_wait() from timing out up to a millisecond early.
> 
> This mirrors the behavior of select() and poll().

I saw this now, since I got notifications from Andrew's patch machine.
Is this really needed?
Is that really worth the extra code in the fast path?
Aren't we breaking existing behavior?
I have some doubts.


- Davide


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/