Messages in this thread | | | Date | Thu, 13 Mar 2014 14:59:26 +0100 | From | Paolo Bonzini <> | Subject | Re: [PATCH RFC v6 10/11] pvqspinlock, x86: Enable qspinlock PV support for KVM |
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Il 12/03/2014 19:54, Waiman Long ha scritto: > @@ -807,8 +889,13 @@ void __init kvm_spinlock_init(void) > if (!kvm_para_has_feature(KVM_FEATURE_PV_UNHALT)) > return; > > +#ifdef CONFIG_QUEUE_SPINLOCK > + pv_lock_ops.kick_cpu = kvm_kick_cpu_type; > + pv_lock_ops.hibernate = kvm_hibernate; > +#else > pv_lock_ops.lock_spinning = PV_CALLEE_SAVE(kvm_lock_spinning); > pv_lock_ops.unlock_kick = kvm_unlock_kick; > +#endif
This should also disable the unfair path.
Paolo
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