On Friday 23 October 2009 03:53:54 pm Ingo Molnar wrote: > > * Bjorn Helgaas <bjorn.helgaas@xxxxxx> wrote: > > > The current whitelist requires a kernel change for every machine that > > has MMCONFIG regions above 4GB, even if BIOS provides a correct MCFG > > table. > > > > This patch expands the whitelist to include machines with a rev 1 or > > newer MCFG table and a DMI_BIOS_DATE of 2010 or later. That way, we > > only need kernel changes for new machines that provide incorrect MCFG > > tables. > > Can we do 2009 perhaps? I suspect most of the newer machines get this > right. (if not then we have no reason to assume that 2010 will be any > better) I used 2010 because I'm not aware of any 2009 machines with MMCONFIG above 4GB, so using 2009 seemed to add risk without benefit. If there are 2009 machines in the field with junk in the upper 32 bits of the MMCONFIG address, this patch would break them. But I'm not opposed to using 2009 if you think that's worthwhile. Bjorn -- 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
