Messages in this thread | | | From | Christian Borntraeger <> | Subject | Re: [PATCH/RFC] stop_machine: make stop_machine_run more virtualization friendly | Date | Thu, 8 May 2008 18:23:35 +0200 |
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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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