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

[Jeremy Fitzhardinge <jeremy@xxxxxxxx>]

On 06/16/09 03:35, Ian Campbell wrote:
> 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.
> >      
Yes, I was wondering if HT could be a factor here.  My test server is 
HT, but I run it 64-bit...
    J

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