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Groups > linux.kernel > #1699995
| From | David Hildenbrand <david@redhat.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [RFC] KVM: optimize the kvm_vcpu_on_spin |
| Date | 2017-07-31 14:30 +0200 |
| Message-ID | <u9hZF-6eS-25@gated-at.bofh.it> (permalink) |
| References | <u8tqa-6KR-23@gated-at.bofh.it> <u9hdf-5GQ-3@gated-at.bofh.it> <u9hPY-6by-11@gated-at.bofh.it> |
| Organization | Red Hat GmbH |
> I'm not sure whether the operation of get the vcpu's priority-level is > expensive on all architectures, so I record it in kvm_sched_out() for > minimal the extra cycles cost in kvm_vcpu_on_spin(). > as you only care for x86 right now either way, you can directly optimize here for the good (here: x86) case (keeping changes and therefore possible bugs minimal). -- Thanks, David
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[RFC] KVM: optimize the kvm_vcpu_on_spin "Longpeng(Mike)" <longpeng2@huawei.com> - 2017-07-29 08:30 +0200
Re: [RFC] KVM: optimize the kvm_vcpu_on_spin David Hildenbrand <david@redhat.com> - 2017-07-31 13:40 +0200
Re: [RFC] KVM: optimize the kvm_vcpu_on_spin "Longpeng (Mike)" <longpeng2@huawei.com> - 2017-07-31 14:20 +0200
Re: [RFC] KVM: optimize the kvm_vcpu_on_spin David Hildenbrand <david@redhat.com> - 2017-07-31 14:30 +0200
Re: [RFC] KVM: optimize the kvm_vcpu_on_spin Paolo Bonzini <pbonzini@redhat.com> - 2017-07-31 15:30 +0200
Re: [RFC] KVM: optimize the kvm_vcpu_on_spin "Longpeng (Mike)" <longpeng2@huawei.com> - 2017-08-01 05:30 +0200
Re: [RFC] KVM: optimize the kvm_vcpu_on_spin Paolo Bonzini <pbonzini@redhat.com> - 2017-08-01 10:40 +0200
Re: [RFC] KVM: optimize the kvm_vcpu_on_spin Cornelia Huck <cohuck@redhat.com> - 2017-07-31 14:40 +0200
Re: [RFC] KVM: optimize the kvm_vcpu_on_spin "Longpeng (Mike)" <longpeng2@huawei.com> - 2017-07-31 15:10 +0200
Re: [RFC] KVM: optimize the kvm_vcpu_on_spin Christoffer Dall <cdall@linaro.org> - 2017-07-31 15:30 +0200
Re: [RFC] KVM: optimize the kvm_vcpu_on_spin David Hildenbrand <david@redhat.com> - 2017-07-31 19:40 +0200
Re: [RFC] KVM: optimize the kvm_vcpu_on_spin Cornelia Huck <cohuck@redhat.com> - 2017-08-01 09:00 +0200
Re: [RFC] KVM: optimize the kvm_vcpu_on_spin "Longpeng (Mike)" <longpeng2@huawei.com> - 2017-08-01 04:30 +0200
Re: [RFC] KVM: optimize the kvm_vcpu_on_spin Marc Zyngier <marc.zyngier@arm.com> - 2017-07-31 15:50 +0200
Re: [RFC] KVM: optimize the kvm_vcpu_on_spin Paolo Bonzini <pbonzini@redhat.com> - 2017-07-31 16:30 +0200
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