On 9/22/07, Robert Hancock <[EMAIL PROTECTED]> wrote: > Yinghai Lu wrote: > > No! > > > > MMCONFIG will not work with acpi=off any more. > > I don't think this is unreasonable. The ACPI MCFG table is how we are > supposed to learn about the area in the first place. If we can't get the > table location via an approved mechanism, and can't validate it doesn't > overlap with another memory reservation or something, I really don't > think we should be using it. > > I don't think it's much of an issue anyway - the chances that somebody > will want to run without ACPI on a system with MCFG are pretty low given > that you'll end up losing a bunch of functionality (not least of which > is multi-cores).
with acpi=off, that we do lose some features including acpi hotplug and power management feature... but we don't lose anything about numa ( multi-cores...) and bus-numa... (we get these info from NB pci conf for AMD rev C, rev E, rev F, and Fam 10 opteron)... Finally we lose bugs introduced by ACPI code ... YH - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/