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Re: [PATCH 12/13] hrtimer: create a "timer_slack" field in the task struct

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From: Pavel Machek
Subject: Re: [PATCH 12/13] hrtimer: create a "timer_slack" field in the task struct
Date: Monday, September 8, 2008 - 7:15 am

On Mon 2008-09-08 06:40:02, Arjan van de Ven wrote:

Ok, so select()/poll() may default to non-zero slack for legacy apps.


Yes, it is a great advantage, but it feels like a hack. Maybe it is
better done with LD_PRELOAD or something?

I'd certianly want the applications to specify slack themselves in
like 10 years.

									Pavel
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Messages in current thread:
[PATCH 0/13] Turn hrtimers into a range capable timer, Arjan van de Ven, (Mon Sep 1, 4:03 pm)
[PATCH 1/13] hrtimer: add abstraction functions for access ..., Arjan van de Ven, (Mon Sep 1, 4:05 pm)
[PATCH 2/13] hrtimer: convert kvm to the new hrtimer apis, Arjan van de Ven, (Mon Sep 1, 4:05 pm)
[PATCH 3/13] hrtimer: convert timerfd to the new hrtimer apis, Arjan van de Ven, (Mon Sep 1, 4:06 pm)
[PATCH 4/13] hrtimer: convert net::sched_cbq to the new hr ..., Arjan van de Ven, (Mon Sep 1, 4:07 pm)
[PATCH 5/13] hrtimer: convert kernel/* to the new hrtimer apis, Arjan van de Ven, (Mon Sep 1, 4:08 pm)
[PATCH 6/13] hrtimer: convert powerpc/oprofile to the new ..., Arjan van de Ven, (Mon Sep 1, 4:09 pm)
[PATCH 7/13] hrtimer: convert kvm-ia64 to the new hrtimer apis, Arjan van de Ven, (Mon Sep 1, 4:09 pm)
[PATCH 8/13] hrtimer: convert s390 to the new hrtimer apis, Arjan van de Ven, (Mon Sep 1, 4:10 pm)
[PATCH 9/13] hrtimer: convert sound/ to the new hrtimer apis, Arjan van de Ven, (Mon Sep 1, 4:11 pm)
[PATCH 10/13] hrtimer: rename the "expires" struct member ..., Arjan van de Ven, (Mon Sep 1, 4:12 pm)
[PATCH 10/13] hrtimer: rename the "expires" struct member ..., Arjan van de Ven, (Mon Sep 1, 4:12 pm)
[PATCH 11/13] hrtimer: turn hrtimers into range timers, Arjan van de Ven, (Mon Sep 1, 4:13 pm)
[PATCH 12/13] hrtimer: create a "timer_slack" field in the ..., Arjan van de Ven, (Mon Sep 1, 4:14 pm)
[PATCH 13/13] hrtimer: make select() and poll() use the hr ..., Arjan van de Ven, (Mon Sep 1, 4:14 pm)
Re: [PATCH 11/13] hrtimer: turn hrtimers into range timers, Peter Zijlstra, (Tue Sep 2, 1:22 am)
Re: [PATCH 13/13] hrtimer: make select() and poll() use th ..., Peter Zijlstra, (Tue Sep 2, 1:22 am)
Re: [PATCH 12/13] hrtimer: create a "timer_slack" field in ..., Pavel Machek, (Tue Sep 2, 3:04 am)
Re: [PATCH 11/13] hrtimer: turn hrtimers into range timers, Peter Zijlstra, (Tue Sep 2, 4:08 am)
Re: [PATCH 11/13] hrtimer: turn hrtimers into range timers, Peter Zijlstra, (Tue Sep 2, 4:15 am)
Re: [PATCH 12/13] hrtimer: create a "timer_slack" field in ..., Arjan van de Ven, (Tue Sep 2, 6:03 am)
Re: [PATCH 11/13] hrtimer: turn hrtimers into range timers, Arjan van de Ven, (Tue Sep 2, 6:05 am)
Re: [PATCH 11/13] hrtimer: turn hrtimers into range timers, Arjan van de Ven, (Tue Sep 2, 6:06 am)
Re: [PATCH 11/13] hrtimer: turn hrtimers into range timers, Peter Zijlstra, (Tue Sep 2, 6:47 am)
Re: [PATCH 11/13] hrtimer: turn hrtimers into range timers, Arjan van de Ven, (Tue Sep 2, 9:02 am)
Re: [PATCH 13/13] hrtimer: make select() and poll() use th ..., Arjan van de Ven, (Tue Sep 2, 9:03 am)
Re: [PATCH 0/13] Turn hrtimers into a range capable timer, Ingo Molnar, (Sat Sep 6, 7:56 am)
Re: [PATCH 0/13] Turn hrtimers into a range capable timer, Arjan van de Ven, (Sat Sep 6, 9:30 am)
Re: [PATCH 0/13] Turn hrtimers into a range capable timer, Ingo Molnar, (Sat Sep 6, 9:33 am)
Re: [PATCH 12/13] hrtimer: create a "timer_slack" field in ..., Pavel Machek, (Mon Sep 8, 6:27 am)
Re: [PATCH 12/13] hrtimer: create a "timer_slack" field in ..., Arjan van de Ven, (Mon Sep 8, 6:40 am)
Re: [PATCH 12/13] hrtimer: create a "timer_slack" field in ..., Pavel Machek, (Mon Sep 8, 7:15 am)
Re: [PATCH 12/13] hrtimer: create a "timer_slack" field in ..., Arjan van de Ven, (Mon Sep 8, 7:22 am)
Re: [PATCH 0/13] Turn hrtimers into a range capable timer, Rusty Russell, (Thu Sep 11, 8:39 pm)
Re: [PATCH 0/13] Turn hrtimers into a range capable timer, Arjan van de Ven, (Thu Sep 11, 10:42 pm)
Re: [PATCH 0/13] Turn hrtimers into a range capable timer, Thomas Gleixner, (Fri Sep 12, 1:24 pm)
Re: [PATCH 12/13] hrtimer: create a "timer_slack" field in ..., Pavel Machek, (Sat Sep 13, 9:24 am)
Re: [PATCH 12/13] hrtimer: create a "timer_slack" field in ..., Ulrich Drepper, (Sun Sep 14, 8:21 am)
Re: [PATCH 12/13] hrtimer: create a "timer_slack" field in ..., Arjan van de Ven, (Sun Sep 14, 8:27 am)
Re: [PATCH 12/13] hrtimer: create a "timer_slack" field in ..., Pavel Machek, (Sun Sep 14, 8:57 am)
Re: [PATCH 12/13] hrtimer: create a "timer_slack" field in ..., Ulrich Drepper, (Sun Sep 14, 9:04 am)
Re: [PATCH 12/13] hrtimer: create a "timer_slack" field in ..., Arjan van de Ven, (Sun Sep 14, 9:14 am)
Re: [PATCH 12/13] hrtimer: create a "timer_slack" field in ..., Pavel Machek, (Wed Sep 17, 12:42 am)
Re: [PATCH 12/13] hrtimer: create a "timer_slack" field in ..., KOSAKI Motohiro, (Mon Sep 29, 10:16 pm)
Re: [PATCH 12/13] hrtimer: create a "timer_slack" field in ..., Arjan van de Ven, (Tue Sep 30, 1:28 am)
Re: [PATCH 12/13] hrtimer: create a "timer_slack" field in ..., KOSAKI Motohiro, (Tue Sep 30, 1:54 am)