PERFORCE change 191080 for review

[John Baldwin]

http://p4web.freebsd.org/@@191080?ac=10

Change 191080 by jhb at jhb_jhbbsd on 2011/04/05 20:40:09

	Gah, enable SUBTRACTIVE_WITH_WINDOWS by default.  I've already
	seen one in the wild.

Affected files ...

.. //depot/projects/pci/sys/dev/pci/pci_pci.c#9 edit

Differences ...

==== //depot/projects/pci/sys/dev/pci/pci_pci.c#9 (text+ko) ====

@@ -104,6 +104,20 @@
 
 #ifdef NEW_PCIB
 /*
+ * I have seen at least one of these in the wild:
+ *
+ * pcib9: <ACPI PCI-PCI bridge> at device 30.0 on pci0
+ * pcib9:   domain            0
+ * pcib9:   secondary bus     9
+ * pcib9:   subordinate bus   9
+ * pcib9:   I/O decode        0x4000-0x4fff
+ * pcib9:   memory decode     0xda200000-0xda2fffff
+ * pcib9:   prefetched decode 0xd0000000-0xd7ffffff
+ * pcib9:   Subtractively decoded bridge.
+ */
+#define SUBTRACTIVE_WITH_WINDOWS
+
+/*
  * Is a resource from a child device sub-allocated from one of our
  * resource managers?
  */