Re: [PATCH 1/3v2] kvm-s390: Implement the directed yield (diag 9c) hypervisor call for KVM

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On 24/04/12 18:15, Avi Kivity wrote:
>>> instead of looking like you're doing the processing for every vcpu.  The
>>> loop is just a slow lookup which might some day be replaced by a table
>>> lookup.
>>
>> Ok. We might also have a kvm_vcpu_on_spin_directed in common code,
>> Would you prefer that? 
> 
> You mean a function that takes a vcpu and tries to yield_to() it?  Or
> something else?

Or a cpu id (number). But yes, something like that.

I dont know if that will be of use for x86 (e.g. parvirtual 
ticketlocks or something like that).

Christian

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