linux-kernel - Re: [PATCH] x86/pci: add pci=skip_isa

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Message-ID: <86802c440803270910q6602606aode3c355bf7947d32@mail.gmail.com>
Date:	Thu, 27 Mar 2008 09:10:37 -0700
From:	"Yinghai Lu" <yhlu.kernel@...il.com>
To:	"Ingo Molnar" <mingo@...e.hu>
Cc:	"Thomas Gleixner" <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	"Andrew Morton" <akpm@...ux-foundation.org>,
	"Gary Hade" <garyhade@...ibm.com>,
	"Greg Kroah-Hartman" <gregkh@...e.de>,
	"kernel list" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] x86/pci: add pci=skip_isa_align command lines.

On Thu, Mar 27, 2008 at 1:45 AM, Ingo Molnar <mingo@...e.hu> wrote:
>
>  * Yinghai Lu <yhlu.kernel.send@...il.com> wrote:
>
>  > [PATCH] x86/pci: add pci=skip_isa_align command lines.
>  >
>  > so we don't align the io port start address for pci cards.
>  >
>  > also move out dmi check out acpi.c, because it has nothing to do with
>  > acpi. it could spare some calling when we have several peer root
>  > buses.
>
>  i like this feature, and i've applied your patch to x86.git for testing,
>  but i'd like to hear what the ACPI and PCI guys think about this.
>
>  Also, we should try as hard as possible to make it a blacklist instead
>  of a whitelist? It would be cool to support more PCI cards/devices on
>  all new(-ish) systems by default and if we didnt have to maintain the
>  DMI whitelist for eternity. (a whitelist will always be incomplete and
>  will lag behind reality)

yeah, blacklist is more good. that limitation is quite old...

YH
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