[SeaBIOS] About cpu_set, CPU hotplug and related subjects

Kevin O'Connor kevin at koconnor.net
Thu Apr 22 03:12:00 CEST 2010


On Mon, Apr 19, 2010 at 04:34:54PM -0300, Lucas Meneghel Rodrigues wrote:
> After doing some reading it seems to me that the reason why that is not
> happening is because SeaBIOS still doesn't have code to support CPU hot
> plugging as BochsBIOS did.

As I understand it, the hotplug support was only in the kvm copy of
bochs bios.  It also limited the number of cpus one could use (I think
16).

The current smp support in SeaBIOS doesn't limit the number of cpus.

So, there has been reluctance to just port the old kvm bios code
forward.

-Kevin



More information about the SeaBIOS mailing list