On Mon, Jun 18, 2012 at 3:30 PM, Ulrich Drepper <drepper@xxxxxxxxx> wrote: > On Sat, Jun 16, 2012 at 5:56 PM, Bjorn Helgaas <bhelgaas@xxxxxxxxxx> wrote: >> If ACPI provides a perfectly usable generic way to describe this >> topology and the vendor BIOS doesn't bother to use it, I'm not very >> interested in trying to compensate for that BIOS deficiency by adding >> a bunch of non-portable CPU-specific gunk to Linux. > > The problem is that all machines get this wrong. I've tested varies > models from Dell and HP and none of them have the _PXM entry and the > local_cpus fields are wrong. If there is a reasonably sane way to > compensate for broken BIOSes it should be considered. We all know how > good BIOS authors are... please check attached one. and you may append "pci=busnum_node=00:00,80:01" to change node for root bus. assume you have two root bus: 00, 80 Thanks Yinghai
Attachment:
busnum_node.patch
Description: Binary data
