Re: Status of PCI domain support?

[Jeff Garzik <jgarzik@pobox.com>]

Greg KH wrote:
> On Fri, Dec 02, 2005 at 04:06:26PM -0500, Jeff Garzik wrote:
> 
>>The lack of PCI domain support on x86-64 prevents me from seeing the 
>>following devices on the PCI bus:
>>
>>61:04.0 RAID bus controller: Silicon Image, Inc. Adaptec AAR-1210SA SATA 
>>HostRAID Controller (rev 02)
>>61:06.0 SCSI storage controller: LSI Logic / Symbios Logic 53c1030 PCI-X 
>>Fusion-MPT Dual Ultra320 SCSI (rev 07)
>>61:06.1 SCSI storage controller: LSI Logic / Symbios Logic 53c1030 PCI-X 
>>Fusion-MPT Dual Ultra320 SCSI (rev 07)
>>
>>I get the following errors, unless I disable the BIOS option 'ACPI bus 
>>segmentation', which is enabled by default (and will be enabled on most 
>>future machines):
>>
>>Dec  2 10:40:18 localhost kernel: ACPI: PCI Root Bridge [PCI1] (0001:40)
>>Dec  2 10:40:18 localhost kernel: PCI: Multiple domains not supported
>>Dec  2 10:40:18 localhost kernel: ACPI: PCI Root Bridge [PCI2] (0002:80)
>>Dec  2 10:40:18 localhost kernel: PCI: Multiple domains not supported
>>
>>Full machine info was just posted in another message, subject 
>>"[2.6.15-rc4] oops in acpiphp".
>>
>>Is this a bug?  Is this expected behavior (not implemented yet)?  A 
>>jump-start on tracking this down would be appreciated.
> 
> 
> Based on the logic in arch/i386/pci/acpi.c (which is shared with
> x86-64), it's just not implemented yet at all.
> 
> I don't know of anyone currently working on adding this support to this
> code, does anyone else?

Well, that's silly.  It should be implemented now.

	Jeff