Re: RFC: Changes for PCI

From: Jeff Garzik (
Date: Thu Jun 28 2001 - 18:27:10 EST

"Khachaturov, Vassilii" wrote:
> On Wed, 27 Jun 2001, Jeff Garzik wrote:
> > However, I think the driver (only going by your
> description) would be
> > more correct to use a pointer to struct pci_dev. We have a
> token in the
> > kernel that is guaranteed 100% unique to any given PCI device: the
> > pointer to its struct pci_dev.
> Is it? With a hotplug device removed and another one added,
> isn't there a slight chance that the pci_dev pointer to the new device
> will get allocated in place of the old one?

If you want to get pedantic, yes ;-) The pci_dev pointer is unique for
the lifetime of the PCI device, which works just as well in the example
used in the thread.

Jeff Garzik      | Andre the Giant has a posse.
Building 1024    |
MandrakeSoft     |
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This archive was generated by hypermail 2b29 : Sat Jun 30 2001 - 21:00:21 EST