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Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors

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From: Andi Kleen
Subject: Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors
Date: Wednesday, March 5, 2008 - 10:32 am

> But I don't use jiffies in the idle exit path, only the entry path.

On entry jiffies should be always uptodate. Only on exit there
is the small code window where it isn't.


Well you asked for pseudo code ...

-Andi
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Messages in current thread:
[RFC][PATCH] cpuidle: avoid singing capacitors, Pierre Ossman, (Fri Feb 29, 11:38 am)
Re: [RFC][PATCH] cpuidle: avoid singing capacitors, Lennart Sorensen, (Fri Feb 29, 2:44 pm)
Re: [RFC][PATCH] cpuidle: avoid singing capacitors, Pierre Ossman, (Sat Mar 1, 5:31 am)
Re: [RFC][PATCH] cpuidle: avoid singing capacitors, Pierre Ossman, (Sat Mar 1, 6:40 am)
Re: [RFC][PATCH] cpuidle: avoid singing capacitors, Lee Revell, (Sat Mar 1, 7:27 pm)
Re: [RFC][PATCH] cpuidle: avoid singing capacitors, Pierre Ossman, (Sun Mar 2, 7:17 am)
Re: [RFC][PATCH] cpuidle: avoid singing capacitors, Andi Kleen, (Mon Mar 3, 5:36 am)
[PATCH] cpuidle: avoid singing capacitors, Pierre Ossman, (Mon Mar 3, 1:18 pm)
Re: [PATCH] cpuidle: avoid singing capacitors, Pavel Machek, (Mon Mar 3, 1:46 pm)
Re: [PATCH] cpuidle: avoid singing capacitors, Pierre Ossman, (Mon Mar 3, 2:03 pm)
Re: [PATCH] cpuidle: avoid singing capacitors, Pavel Machek, (Mon Mar 3, 2:08 pm)
RE: [PATCH] cpuidle: avoid singing capacitors, Pallipadi, Venkatesh, (Mon Mar 3, 2:14 pm)
Re: [PATCH] cpuidle: avoid singing capacitors, Pierre Ossman, (Mon Mar 3, 2:17 pm)
RE: [PATCH] cpuidle: avoid singing capacitors, Pallipadi, Venkatesh, (Mon Mar 3, 3:04 pm)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Alan Stern, (Mon Mar 3, 4:05 pm)
Re: [PATCH] cpuidle: avoid singing capacitors, Andi Kleen, (Mon Mar 3, 4:09 pm)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Andi Kleen, (Mon Mar 3, 4:10 pm)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Dave Jones, (Mon Mar 3, 9:00 pm)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Pierre Ossman, (Mon Mar 3, 11:14 pm)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Andi Kleen, (Tue Mar 4, 2:40 am)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Pierre Ossman, (Tue Mar 4, 10:19 am)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Andi Kleen, (Tue Mar 4, 10:29 am)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Pierre Ossman, (Tue Mar 4, 10:30 am)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Andi Kleen, (Tue Mar 4, 10:43 am)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Pierre Ossman, (Tue Mar 4, 11:04 am)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Andi Kleen, (Tue Mar 4, 11:34 am)
RE: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Pallipadi, Venkatesh, (Tue Mar 4, 12:01 pm)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Pierre Ossman, (Tue Mar 4, 11:02 pm)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Pierre Ossman, (Tue Mar 4, 11:04 pm)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Pierre Ossman, (Wed Mar 5, 1:40 am)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Pavel Machek, (Wed Mar 5, 2:03 am)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Pierre Ossman, (Wed Mar 5, 6:42 am)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Pavel Machek, (Wed Mar 5, 6:47 am)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Pierre Ossman, (Wed Mar 5, 6:52 am)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Andi Kleen, (Wed Mar 5, 8:48 am)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Pierre Ossman, (Wed Mar 5, 9:53 am)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Andi Kleen, (Wed Mar 5, 10:32 am)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Pierre Ossman, (Thu Mar 6, 1:27 am)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Pierre Ossman, (Sun Mar 9, 7:16 am)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Rafael J. Wysocki, (Sun Mar 9, 11:19 am)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Alan Stern, (Sun Mar 9, 11:50 am)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Henrique de Moraes H ..., (Sun Mar 9, 12:30 pm)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Pierre Ossman, (Sun Mar 9, 1:14 pm)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Henrique de Moraes H ..., (Sun Mar 9, 1:41 pm)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Henrique de Moraes H ..., (Sun Mar 9, 1:54 pm)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Pavel Machek, (Mon Mar 10, 3:00 am)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Pierre Ossman, (Mon Mar 10, 5:49 am)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Andi Kleen, (Mon Mar 10, 6:04 am)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Pierre Ossman, (Mon Mar 10, 6:29 am)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Pierre Ossman, (Tue Mar 11, 12:51 am)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Andi Kleen, (Tue Mar 11, 3:48 am)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Pierre Ossman, (Tue Mar 11, 8:20 am)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Pierre Ossman, (Tue Mar 11, 10:31 am)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Len Brown, (Wed Mar 12, 12:11 pm)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Len Brown, (Wed Mar 12, 12:17 pm)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Len Brown, (Wed Mar 12, 1:31 pm)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Pavel Machek, (Thu Mar 13, 1:10 am)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Andi Kleen, (Thu Mar 13, 3:42 am)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Pierre Ossman, (Thu Mar 13, 9:34 am)
RE: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Pallipadi, Venkatesh, (Thu Mar 13, 9:47 am)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Pierre Ossman, (Thu Mar 13, 10:44 am)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Pierre Ossman, (Thu Mar 13, 10:49 am)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Len Brown, (Thu Mar 13, 9:13 pm)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Pierre Ossman, (Fri Mar 14, 12:40 pm)
RE: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Pallipadi, Venkatesh, (Fri Mar 14, 2:15 pm)
Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors, Pierre Ossman, (Fri Mar 14, 5:41 pm)