pci_scan_get_dev() in pci_scan_bus()

Eric W. Biederman ebiederman at lnxi.com
Mon Mar 8 23:18:01 CET 2004

Li-Ta Lo <ollie at lanl.gov> writes:

> On Fri, 2004-03-05 at 16:52, Eric W. Biederman wrote:
> > Li-Ta Lo <ollie at lanl.gov> writes:
> > 
> > > What happen if a device is listed as a static device in the
> > > config file but does not actually exist in the physical system ?
> > 
> > The device won't go away.  But it can legitimately show up as
> > a disabled device in the device tree.
> > 
> > I'm not certain when you would want to report a device statically
> > that may or may not be there.
> > 
> That happens for the processor. We list two cpus in current k8 mainboard
> config files. But if there is only one cpu install, we will have a lot
> of "absent" devices.

Well we will have an absent bus.  But everything should work properly.
It would not hurt to test it and make certain though.  It works in principle,
and should be easy to fix if the practice does not match.


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