On Sun, 13 Dec 2009 08:10:02 -0500 Matthew Wilcox <matthew@xxxxxx> wrote: > The Alternate Routing-ID Interpretation capability allows a single > device to have up to 256 functions. They can be populated sparsely, > so the current technique of scanning every eighth function is not > guaranteed to find them all. By introducing a 'next_fn' function > pointer, we can use the linked list of functions in the ARI > capability to scan all the functions which exist. > > We can then speed up the pci_scan_slot by skipping the scan of > subsequent devfns for PCIe devices which are the direct children of > Root Ports or Downstream Ports. These devices are only permitted to > implement device 0, unless they are ARI devices, in which case > they'll be scanned by the ARI code above. > > Signed-off-by: Matthew Wilcox <willy@xxxxxxxxxxxxxxx> Applied to my linux-next branch, thanks for this one, it looks pretty nice. -- Jesse Barnes, Intel Open Source Technology Center -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
