K 10
svn:author
V 8
gallatin
K 8
svn:date
V 27
1999-07-29T16:44:22.000000Z
K 7
svn:log
V 290
On an AS 600 5/266 (and possibly others), accessing the configuration
space of PCI devices that don't exist cause PCI master & target aborts
rather than returning ~0 or giving a machine check.  Bring in some code
from NetBSD to handle this properly.

obtained from:	NetBSD
reviewed by:	dfr

END