Messages in this thread | | | From | David Matlack <> | Date | Mon, 24 Aug 2015 09:59:04 -0700 | Subject | Re: [PATCH 1/3] KVM: make halt_poll_ns per-VCPU |
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On Mon, Aug 24, 2015 at 5:53 AM, Wanpeng Li <wanpeng.li@hotmail.com> wrote: > Change halt_poll_ns into per-VCPU variable, seeded from module parameter, > to allow greater flexibility.
You should also change kvm_vcpu_block to read halt_poll_ns from the vcpu instead of the module parameter.
> > Signed-off-by: Wanpeng Li <wanpeng.li@hotmail.com> > --- > include/linux/kvm_host.h | 1 + > virt/kvm/kvm_main.c | 1 + > 2 files changed, 2 insertions(+) > > diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h > index 81089cf..1bef9e2 100644 > --- a/include/linux/kvm_host.h > +++ b/include/linux/kvm_host.h > @@ -242,6 +242,7 @@ struct kvm_vcpu { > int sigset_active; > sigset_t sigset; > struct kvm_vcpu_stat stat; > + unsigned int halt_poll_ns; > > #ifdef CONFIG_HAS_IOMEM > int mmio_needed; > diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c > index d8db2f8f..a122b52 100644 > --- a/virt/kvm/kvm_main.c > +++ b/virt/kvm/kvm_main.c > @@ -217,6 +217,7 @@ int kvm_vcpu_init(struct kvm_vcpu *vcpu, struct kvm *kvm, unsigned id) > vcpu->kvm = kvm; > vcpu->vcpu_id = id; > vcpu->pid = NULL; > + vcpu->halt_poll_ns = halt_poll_ns; > init_waitqueue_head(&vcpu->wq); > kvm_async_pf_vcpu_init(vcpu); > > -- > 1.9.1 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/
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