From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Linus Torvalds <torvalds@transmeta.com>
Cc: Dominik Brodowski <devel@brodo.de>,
cpufreq@www.linux.org.uk, linux-kernel@vger.kernel.org
Subject: Re: [PATCH][2.5.32] CPU frequency and voltage scaling (0/4)
Date: 29 Aug 2002 00:30:06 +0100 [thread overview]
Message-ID: <1030577406.7190.89.camel@irongate.swansea.linux.org.uk> (raw)
In-Reply-To: <Pine.LNX.4.33.0208281406190.16824-100000@penguin.transmeta.com>
On Wed, 2002-08-28 at 22:08, Linus Torvalds wrote:
>
> On Wed, 28 Aug 2002, Dominik Brodowski wrote:
> >
> > "policy input" --> "frequency input" --> cpufreq core --> cpufreq driver
> > user-space | k e r n e l - s p a c e
>
> No.
>
> The "policy input" has to filter down ALL THE WAY. If you turn it into a
> frequency-only input at _any_ time, you've lost information that the
> lowest levels need.
So what you are saying is that you want to be sure that something like
"please run at a low speed to save battery" is translated by smarter
cpus into "please save battery" and on spudstop the CPU would go "umm
duh ok 300MHz"
Ok now I think I understand your gripe.
next prev parent reply other threads:[~2002-08-28 23:23 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-08-28 11:46 Dominik Brodowski
2002-08-28 18:47 ` Linus Torvalds
2002-08-28 18:48 ` Cort Dougan
2002-08-28 19:25 ` Alan Cox
2002-08-28 19:32 ` Cort Dougan
2002-08-29 10:26 ` Zwane Mwaikambo
2002-08-28 19:41 ` Peter Riocreux
2002-08-28 19:58 ` Linus Torvalds
2002-08-29 9:51 ` Padraig Brady
2002-08-29 10:23 ` Zwane Mwaikambo
2002-08-28 19:21 ` Alan Cox
2002-08-28 19:49 ` Linus Torvalds
2002-08-28 20:25 ` Alan Cox
2002-08-28 20:29 ` Linus Torvalds
2002-08-28 23:26 ` Alan Cox
2002-08-28 23:49 ` Linus Torvalds
2002-08-30 0:39 ` jw schultz
2002-08-29 7:01 ` Dominik Brodowski
2002-08-28 20:39 ` Dominik Brodowski
2002-08-28 21:05 ` Linus Torvalds
2002-09-06 11:31 ` Pavel Machek
2002-08-28 20:27 ` Dominik Brodowski
2002-08-28 20:19 ` Dominik Brodowski
2002-08-28 20:43 ` Linus Torvalds
2002-08-28 20:53 ` Dominik Brodowski
2002-08-28 21:08 ` Linus Torvalds
2002-08-28 23:00 ` george anzinger
2002-08-28 23:30 ` Alan Cox [this message]
2002-08-29 0:08 ` Linus Torvalds
2002-08-29 7:07 ` Dominik Brodowski
2002-08-29 10:02 ` Padraig Brady
2002-08-29 10:53 ` Alan Cox
2002-08-29 13:38 ` Dave Jones
2002-08-29 18:47 ` Linus Torvalds
2002-08-29 19:24 ` Alan Cox
2002-08-29 21:22 ` george anzinger
2002-08-30 6:46 ` David Gibson
2002-08-30 7:54 ` Helge Hafting
2002-08-30 3:21 ` David Lang
2002-08-28 20:25 Grover, Andrew
2002-08-28 20:46 ` Linus Torvalds
2002-08-29 15:07 Pering, Trevor
2002-08-30 8:04 ` Helge Hafting
2002-08-30 11:53 ` Dave Jones
2002-08-30 12:36 ` Helge Hafting
2002-08-30 22:43 ` george anzinger
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