On Fri, Sep 17, 2010 at 11:39:36PM +0200, Conrad Wood wrote: > Hi everyone, > > I'm currently looking into hotplugging CPUs. > This exclusively with linux-guests and linux-host. > I have found some (conflicting) information about this on the net. > > As far as I read: > * seabios doesn't support SMP (but why does the linux-guest show > multiple cpus?) > * there is no uniform way of informing the linux kernel that a cpu has > added (Found references to a unisys way of doing it though, which seems > to be still implemented) > * the kernel needs the acpi tables to determine how many cpus it has, > thus the support in the bios would involve an aml-compiler to > hot-compile new acpi tables. SeaBIOS version 0.6.1 has ACPI support for cpu-hotplug. It's been tested on Linux and Windows. Search the mail archive for "cpu hotplug" for the details. -Kevin -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html