linux-kernel - Re: [PATCH] x86: use explicit timing delay for pit accesses in kernel and pcspkr driver

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Date:	Wed, 20 Feb 2008 18:09:55 +0100
From:	Rene Herman <rene.herman@...access.nl>
To:	"H. Peter Anvin" <hpa@...or.com>
CC:	"David P. Reed" <dpreed@...d.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Dmitry Torokhov <dtor_core@...ritech.net>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86: use explicit timing delay for pit accesses in kernel
 and pcspkr driver

On 20-02-08 18:05, H. Peter Anvin wrote:

> Rene Herman wrote:
>>
>> _Something_ like this would seem to be the only remaining option. It 
>> seems fairly unuseful to #ifdef around that switch statement for 
>> kernels without support for the earlier families, but if you insist...
>>
> 
> "Only remaining option" other than the one we've had all along.  Even on 
> the one idiotic set of systems which break, it only breaks post-ACPI 
> intialization, IIRC.

Linus vetoed the DMI switch.

Rene.
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