Subject: Re: pci_domain_nr vs. /sys/devices
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Anton Blanchard <anton@samba.org>
Cc: linux-kernel mailing list <linux-kernel@vger.kernel.org>,
       Matthew Wilcox <willy@debian.org>
In-Reply-To: <20030612003715.GA1942@krispykreme>
References: <1055341842.754.3.camel@gaston>
	 <20030612003715.GA1942@krispykreme>
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Date: 12 Jun 2003 15:27:46 +0200
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On Thu, 2003-06-12 at 02:37, Anton Blanchard wrote:
>  > So we can pave the way for when we'll stop play bus number tricks and
> > actually have overlapping PCI bus numbers between domains. (I don't plan
> > to do that immediately because that would break userland & /proc/bus/pci
> > backward compatiblity)
> 
> As davem suggested, /proc/bus/pci should present domain 0 in the old
> format even with pci domains enabled. If your graphics card is on domain
> 0 then X continues to work :)

Hrm... On most pmacs, it is, since domain 0 is the AGP port. Though
people with an additional PCI video card will not be happy. But X will
be fixed, so....

Ben.
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