Messages in this thread | | | Date | Mon, 02 Apr 2012 17:45:27 +0530 | From | Raghavendra K T <> | Subject | Re: [PATCH RFC V6 0/11] Paravirtualized ticketlocks |
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On 04/02/2012 03:21 PM, Raghavendra K T wrote: > On 04/01/2012 07:23 PM, Avi Kivity wrote: > > On 04/01/2012 04:48 PM, Raghavendra K T wrote: > >>>> I have patch something like below in mind to try: > diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c > index 5127668..3fa912a 100644 > --- a/virt/kvm/kvm_main.c > +++ b/virt/kvm/kvm_main.c > @@ -1557,12 +1557,17 @@ void mark_page_dirty(struct kvm *kvm, gfn_t gfn) > mark_page_dirty_in_slot(kvm, memslot, gfn); > } > > +#define YIELD_THRESHOLD 2048 > +static void kvm_vcpu_try_yield_to(struct kvm_vcpu *me); > /* > * The vCPU has executed a HLT instruction with in-kernel mode enabled. > */ > void kvm_vcpu_block(struct kvm_vcpu *vcpu) > { [...] > + if (loop_count++ % YIELD_THRESHOLD) > + schedule(); > + else > + kvm_vcpu_try_yield_to(vcpu); > } > > +static void kvm_vcpu_try_yield(struct kvm_vcpu *me)
yes, it is kvm_vcpu_try_yield_to. had changed the name just before sending. sorry.
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