On Thu, 26 Aug 2010, Davide Libenzi wrote: > 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? Yes, as it is the last user space interface which is jiffies based. > Is that really worth the extra code in the fast path? It's not that much overhead and we had no complaints when we converted everything else > Aren't we breaking existing behavior? We had no problems when we moved all the other interfaces over > I have some doubts. /me not - though I need to look at the patch itself Thanks, tglx -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html