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

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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


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