Re: [Xen-devel] xen.git branch reorg / success with 2.6.30-rc3 pv_ops dom0

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Tue, Jun 16, 2009 at 11:35:25AM +0100, Ian Campbell wrote:
> On Mon, 2009-06-15 at 06:21 -0400, Pasi Kärkkäinen wrote:
> > 
> > It's old Intel P4 CPU with hyperthreading, so one physical CPU, seen
> > as two logical CPUs.
> 
> Interesting in the light of a comment from Ingo Molnar this morning on
> LKML:
> > Plus this system is an old P4 HyperThreading dual-socket system: 
> > pretty much the only thing HyperThreading is good for on that box is 
> > finding SMP races: that CPU can (and will) yield between 
> > hyperthreads on arbitrary instruction boundaries - opening up races 
> > wide open.
> 

I knew this box was good for something! :)

-- Pasi

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel