From: Matti Aarnio <matti.aarnio@zmailer.org>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Anton Blanchard <anton@linuxcare.com.au>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH]: allow notsc option for buggy cpus
Date: Sat, 10 Mar 2001 22:21:46 +0200 [thread overview]
Message-ID: <20010310222146.L23336@mea-ext.zmailer.org> (raw)
In-Reply-To: <20010310115828.A7514@linuxcare.com> <E14bY2D-00063q-00@the-village.bc.nu>
In-Reply-To: <E14bY2D-00063q-00@the-village.bc.nu>; from alan@lxorguk.ukuu.org.uk on Sat, Mar 10, 2001 at 01:19:03AM +0000
On Sat, Mar 10, 2001 at 01:19:03AM +0000, Alan Cox wrote:
> > My IBM Thinkpad 600E changes between 100MHz and 400MHz depending if the
> > power is on. This means gettimeofday goes backwards if you boot with the
> Intel speedstep CPU.
>
> > Even so, we should really catch these cpus at run time.
> Intel are being remarkably reluctant on the documentation front. We have
> the AMD speed change docs, but the intel ones (chipset not cpu based
> primarily) don't seem to be publically available. In fact the 815M manual
> looks like someone quite pointedly went through and removed the relevant
> material before publication
Isn't that one of the things that the ACPI is for ?
Aren't we supposed to use ACPI for this ?
/Matti Aarnio
next prev parent reply other threads:[~2001-03-10 20:23 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-03-10 0:58 [PATCH]: allow notsc option for buggy cpus Anton Blanchard
2001-03-10 1:19 ` Alan Cox
2001-03-10 2:09 ` David Huggins-Daines
2001-03-10 11:36 ` Alan Cox
2001-03-12 15:21 ` Jes Sorensen
2001-03-10 20:21 ` Matti Aarnio [this message]
2001-03-10 20:28 ` Alan Cox
2001-03-11 14:38 ` Anton Blanchard
2001-03-11 14:49 ` Alan Cox
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