On Mon, 2002-03-04 at 16:17, Greg KH wrote:
> In short, I don't think you can use a spinlock, but rather a semaphore
> is probably necessary.

Sage advice indeed!

Take 2: with semaphores

Again, this is just fixes to the core pci code. Various drivers and arch
specific code still traverse the pci_devices list without the
pcidevlist_sem. If there are no complaints with this code (probably just
wishful thinking) I'll go on and clean up those unprotected traversals. 

thanks,
-john