Re: [0/4] NUMA-Q: remove PCI bus number mangling

William Lee Irwin III
2002-11-13T00:08:33Z

On Tue, Nov 12, 2002 at 03:58:24PM -0800, William Lee Irwin III wrote:
>> Okay, an attempt to remedy this world-breaking braindamage with the
>> fewest lines of code:
>> This alters PCI bus number "clash" detection to compare ->sysdata in
>> addition to the numbers. The bus number is not a unique identifier.

On Tue, Nov 12, 2002 at 04:04:35PM -0800, Greg KH wrote:
> Um, why not?
> And what would /sys/bus/pci/devices look like if you allow the same
> identifiers for different devices? :)
> thanks,
> greg k-h

(1) incorrect semantics:
multiple domains/segments exist, and the bus number is not
qualified with such
(2) insufficient cardinality:
even in the presence of remapping schemes the bus space is limited
to less than the number of buses requiring unique identifiers

Bill