Re: [PATCH 1/3] KVM: make halt_poll_ns per-VCPU
On 8/25/15 12:59 AM, David Matlack wrote: On Mon, Aug 24, 2015 at 5:53 AM, Wanpeng Li 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. Indeed, thanks for your review. :-) Regards, Wanpeng Li Signed-off-by: Wanpeng Li --- 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 majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: [PATCH 1/3] KVM: make halt_poll_ns per-VCPU
On Mon, Aug 24, 2015 at 5:53 AM, Wanpeng Li 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 > --- > 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 majord...@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
[PATCH 1/3] KVM: make halt_poll_ns per-VCPU
Change halt_poll_ns into per-VCPU variable, seeded from module parameter, to allow greater flexibility. Signed-off-by: Wanpeng Li --- 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 kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html