On Fri, Jun 03, 2011 at 02:16:14PM -0700, Yinghai Lu wrote: > On 06/03/2011 01:22 PM, Ram Pai wrote: > >>> > >>> Ram, can you check those two patches to see if it has any problem with your setup? > >> > >> No. the patch fails on my platform to enable SRIOV. The SRIOV BARs fail to allocate. debugging.. > > > > It fails to adjust-in a large window size, 4 times more than the one already assigned, to the bridge > > below which the SRIOV device resides. > > > > Adjusting in a smaller window size, like that for hotplug, more than often succeed. > > But adjusting in manytimes larger size cannot be guaranteed to work. > > wonder if hotplug bridge nice-to-have get allocated before SRIOV cause failure in your system. No. The SRIOV device is not on a hotplug bridge. adjust_resource() is failing because it is unable to extend the resource size in-place, since the adjacent space is already allocated. The only way to satisfy this to relocate the resource to a large enough free chunk. looks like adjust_resource() is not the right interface for our need. We need some kind of new interface that relocates the resource to a large enough location within the parent's resource range. RP -- 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
