Messages in this thread | | | From | Ulrich Drepper <> | Date | Mon, 18 Jun 2012 18:30:21 -0400 | Subject | Re: SNB PCI root information |
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On Sat, Jun 16, 2012 at 5:56 PM, Bjorn Helgaas <bhelgaas@google.com> 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...
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