On 02/10/2010 01:20 AM, Yinghai Lu wrote: > some systems that have disable cpus entries because same > BIOS will support 2 sockets and 4 sockets and more at > same time, BIOS just leave some disable entries, but > those system do not support cpu hotplug. we don't need > treat disabled_cpus as hotplug cpus. > so we can make nr_cpu_ids smaller and save more space > (pcpu data allocations), and could make some systems run > with logical flat instead of physical flat apic mode > > -v2: change to black list instead > -v3: just remove that, and the one use possible_cpus= directly. > > Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx> I'm confused by this one. This would seem to mean that unless you're specifying possible_cpus= then you are not treating anything as hotpluggable. This is clearly wrong, and it would appear to go the wrong direction in terms of what is safe. What am I missing here? -hpa -- 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