From: Stefan Smietanowski <stesmi@stesmi.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: linux-kernel@vger.kernel.org
Subject: Re: CPU frequency shifting "problems"
Date: Fri, 28 Sep 2001 04:12:09 +0200 [thread overview]
Message-ID: <3BB3DC79.1030502@stesmi.com> (raw)
In-Reply-To: <E15mlwM-0005g5-00@the-village.bc.nu>
Hey.
>>For example, the Intel "SpeedStep" CPU's are completely broken under
>>Linux, and real-time will advance at different speeds in DC and AC modes,
>>because Intel actually changes the frequency of the TSC _and_ they don't
>>document how to figure out that it changed.
>
> The change is APM or ACPI initiated. Intel won't tell anyone anything
> useful but Microsoft have published some of the required intel confidential
> information which helps a bit
Did you just say that Microsoft actually went and did something right
for a change? As in publishing specs I mean.
*Stands in awe*
:)
// Stefan
next prev parent reply other threads:[~2001-09-28 2:13 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-09-25 17:49 Locking comment on shrink_caches() Marcelo Tosatti
2001-09-25 19:57 ` David S. Miller
2001-09-25 18:40 ` Marcelo Tosatti
2001-09-25 20:40 ` Josh MacDonald
2001-09-25 19:25 ` Marcelo Tosatti
2001-09-25 20:15 ` David S. Miller
2001-09-25 19:02 ` Marcelo Tosatti
2001-09-25 20:24 ` Rik van Riel
2001-09-25 22:26 ` David S. Miller
2001-09-26 17:42 ` Ingo Molnar
2001-09-25 20:28 ` David S. Miller
2001-09-25 21:05 ` Andrew Morton
2001-09-25 21:48 ` David S. Miller
2001-09-25 20:29 ` David S. Miller
2001-09-25 21:00 ` Benjamin LaHaise
2001-09-25 22:03 ` Andrea Arcangeli
2001-09-25 21:55 ` David S. Miller
2001-09-25 22:16 ` Benjamin LaHaise
2001-09-25 22:28 ` David S. Miller
2001-09-26 16:40 ` Alan Cox
2001-09-26 17:25 ` Linus Torvalds
2001-09-26 17:40 ` Alan Cox
2001-09-26 17:44 ` Linus Torvalds
2001-09-26 18:01 ` Benjamin LaHaise
2001-09-26 18:01 ` Dave Jones
2001-09-26 20:20 ` Vojtech Pavlik
2001-09-26 20:24 ` Vojtech Pavlik
2001-09-26 17:45 ` Dave Jones
2001-09-26 17:50 ` Alan Cox
2001-09-26 17:59 ` Dave Jones
2001-09-26 18:07 ` Alan Cox
2001-09-26 18:09 ` Padraig Brady
2001-09-26 18:22 ` Dave Jones
2001-09-26 18:24 ` Linus Torvalds
2001-09-26 18:40 ` Dave Jones
2001-09-26 19:12 ` Linus Torvalds
2001-09-27 12:22 ` CPU frequency shifting "problems" Padraig Brady
2001-09-27 12:44 ` Dave Jones
2001-09-27 23:23 ` Linus Torvalds
2001-09-28 0:55 ` Alan Cox
2001-09-28 2:12 ` Stefan Smietanowski [this message]
2001-09-28 8:55 ` Jamie Lokier
2001-09-28 16:11 ` Linus Torvalds
2001-09-28 20:29 ` Eric W. Biederman
2001-09-28 22:24 ` Jamie Lokier
2001-09-26 19:04 ` Locking comment on shrink_caches() George Greer
2001-09-26 18:59 ` George Greer
2001-09-26 17:43 ` Richard Gooch
2001-09-26 18:24 ` Benjamin LaHaise
2001-09-26 18:48 ` Richard Gooch
2001-09-26 18:58 ` Davide Libenzi
2001-09-26 23:26 ` David S. Miller
2001-09-27 12:10 ` Alan Cox
2001-09-27 15:38 ` Linus Torvalds
2001-09-27 17:44 ` Ingo Molnar
2001-09-27 19:41 ` David S. Miller
2001-09-27 22:59 ` Alan Cox
2001-09-25 22:01 ` Andrea Arcangeli
2001-09-25 22:03 ` David S. Miller
2001-09-25 22:59 ` Andrea Arcangeli
2001-09-25 21:57 ` Andrea Arcangeli
2001-09-28 1:24 CPU frequency shifting "problems" Grover, Andrew
2001-09-28 21:54 ` Linus Torvalds
2001-09-29 0:37 ` Jonathan Morton
2001-09-28 22:30 ` Alan Cox
2001-10-01 9:28 ` Pavel Machek
2001-09-28 22:47 Grover, Andrew
2001-09-29 1:10 ` Gerhard Mack
[not found] <8FB7D6BCE8A2D511B88C00508B68C2081971E4@orsmsx102.jf.intel.com>
2001-09-28 23:09 ` Alan Cox
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