Messages in this thread | | | Date | Wed, 5 Mar 2008 07:04:54 +0100 | From | Pierre Ossman <> | Subject | Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors |
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On Tue, 4 Mar 2008 19:34:06 +0100 Andi Kleen <andi@firstfloor.org> wrote:
> On Tue, Mar 04, 2008 at 07:04:46PM +0100, Pierre Ossman wrote: > > > > I don't think I quite see the point. If we can't force an update, then > > it doesn't really help us knowing if the jiffies value is stale or not. > > What do you mean with force an update? The system always does an > jiffies update automatically after idle wakeup. It's just that if you add > code to the code path that uses jiffies you have to make sure it is after the > standard update, otherwise you'll see a stale value. >
I still don't follow. Perhaps you can express it in pseudo code? If I have a stale value that I cannot refresh, knowing that it is stale doesn't change anything.
-- -- Pierre Ossman
Linux kernel, MMC maintainer http://www.kernel.org PulseAudio, core developer http://pulseaudio.org rdesktop, core developer http://www.rdesktop.org
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