Alan Cox wrote: >> I'd been meaning to ask this. So the machines you have which don't >> describe 0xf0000 as reserved also don't describe it as RAM? (I guess >> it's either a hole in the table or one of the other e820 types). > > Making 0xf0000 bus addresses RAM is probably a bad idea anyway. Most OS's > treat the E820 map with paranoia because we do see real PCs which > variously claim that the BIOS ROM space is RAM, ACPI, Reserved or just > forget to mention it.
Actually I switched 64bit over to trust e820 completely and not reserve 640k-1MB explicitly some time ago and AFAIK there hasn't been any reports that it causes problems. So presumably trusting e802 is ok on modern systems (2003+) -Andi -- 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/