Re: [PATCH 4/4] ACPI PCI slot detection driver

On Sat, Mar 01, 2008 at 07:43:07AM -0700, Matthew Wilcox wrote:
On Fri, Feb 29, 2008 at 09:25:42PM -0800, Greg KH wrote:
What is the guarantee that the names of these slots are correct and do
not happen to be the same as the hotpluggable ones?

That would be a bug -- and yes, bugs happen, and we have to deal with
them.

My main concern is that BIOS vendors will not fix these bugs, as no
other OS cares/does this kind of thing today. The ammount of bad
information out there might be quite large, and I think this was
confirmed by some initial testing of IBM systems, right?

Why show this information on machines that can not do anything with
these slots at all? Will that not just confuse people?

Only for people who think that /sys/bus/pci/slots/ is for hotpluggable
slots only. There is plenty of useful information available for slots
that aren't hotpluggable (eg bus address, speed, width, error status).

Can the userspace tools that are using the existing directories thinking
that only hotplug slots are there, handle "non-hotplug" slots showing up
in this location?

thanks,

greg k-h
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