Date: Sun, 30 Dec 2007 14:05:44 +0100
From: Ingo Molnar <mingo@elte.hu>
To: Andi Kleen <andi@firstfloor.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
       Rene Herman <rene.herman@keyaccess.nl>, dpreed@reed.com,
       Islam Amer <pharon@gmail.com>, Alan Cox <alan@lxorguk.ukuu.org.uk>,
       hpa@zytor.com, Pavel Machek <pavel@ucw.cz>,
       Ingo Molnar <mingo@redhat.com>, Thomas Gleixner <tglx@linutronix.de>,
       Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay override
Message-ID: <20071230130544.GB16946@elte.hu>
References: <477711DC.5030800@keyaccess.nl> <alpine.LFD.1.00.0712300124440.32517@woody.linux-foundation.org> <20071230124852.GA30836@one.firstfloor.org>
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* Andi Kleen <andi@firstfloor.org> wrote:

> > drivers that then are shown to really need it could use their *own* 
> > ports.
> 
> The i8259 driver uses it and it is known to be needed on some old 
> chipsets. But it doesn't really have any "own" ports to use afaik.

we'll solve that via an i8259-specific quirk. That is a lot cleaner and 
maintainable than the current generic, always-enabled "opt out" 
port-0x80 quirk.

	Ingo
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