Re: [ACPI] [RFC/PATCH 3/3] ACPI based I/O APIC hot-plug

From: Kenji Kaneshige <>
Date: 2005-04-25 19:16:12
Bjorn Helgaas wrote:
> On Fri, 2005-04-22 at 15:38 +0900, Kenji Kaneshige wrote:
>>Bjorn Helgaas wrote:
>>>>+		if ((dev->class >> 8) != PCI_CLASS_SYSTEM_PIC)
>>>>+			continue;
>>>>+		if ((dev->class & 0xff) == 0x10 || (dev->class & 0xff) == 0x20)
>>>What are 0x10 and 0x20?  Looks like they should be #defines in
>>0x10 and 0x20 are programing interfaces for I/O APIC and I/O xAPIC
>>respectively. #define for these values looks good. But I don't know
>>if I can put new #defines into pci_ids.h and how to name them because
>>I could not find the header file (including pci_ids.h) that #defines
>>the values for programming interfaces. So I want to add the comments
>>to explain these values (0x10, 0x20) instead of adding new #defines into
>>pci_ids.h for now.
> I think your patch should just add the values to pci_ids.h.  If
> somebody doesn't like that, he or she will complain and you can fall
> back to just using 0x10 and 0x20.  But I suspect it will be fine.

Thank you for advice. I'll try to add new #defines for I/O APIC
and I/O xAPIC to pci_ids.h.

Kenji Kaneshige
To unsubscribe from this list: send the line "unsubscribe linux-ia64" in
the body of a message to
More majordomo info at
Received on Mon Apr 25 05:16:23 2005

This archive was generated by hypermail 2.1.8 : 2005-08-02 09:20:37 EST