Am Donnerstag, 8. Mai 2008 schrieb Jeremy Fitzhardinge:
> > Sorry, forgot to mention. Its kvm.git from 2 days ago on s390.
> >   
> 
> And on s390 cpu_relax yields the vcpu?  That's not common behaviour 
> across architectures.


Yes, cpu_relax on s390 calls diagnose 44. Diagnose 44 translates to yield on 
z/VM and LPAR. Guessing from the number of the diagnose, I think it was used 
on z/VM for timeslice yielding long before Linux came to s390.

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