Re: [PATCH 11/11] KVM/MMU: Flush tlb in the kvm_age_rmapp()

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Subject: Re: [PATCH 11/11] KVM/MMU: Flush tlb in the kvm_age_rmapp()
From: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Date: Tue, 8 Jan 2019 12:52:25 +0100
Cc: Sean Christopherson <sean.j.christopherson@xxxxxxxxx>, Lan Tianyu <Tianyu.Lan@xxxxxxxxxxxxx>, Radim Krcmar <rkrcmar@xxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, bp@xxxxxxxxx, "H. Peter Anvin" <hpa@xxxxxxxxx>, the arch/x86 maintainers <x86@xxxxxxxxxx>, kvm <kvm@xxxxxxxxxxxxxxx>, "linux-kernel@vger kernel org" <linux-kernel@xxxxxxxxxxxxxxx>, michael.h.kelley@xxxxxxxxxxxxx, kys@xxxxxxxxxxxxx, vkuznets@xxxxxxxxxx, linux@xxxxxxxxxxxxxxx
In-reply-to: <CAOLK0pxrdWZ6RAJROw0cyfexjZnKqSsCrm-jUD=wUHWvWV47kQ@mail.gmail.com>
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References: <20190104085405.40356-1-Tianyu.Lan@microsoft.com> <20190104085405.40356-12-Tianyu.Lan@microsoft.com> <20190104161235.GB11288@linux.intel.com> <CAOLK0pzPe3agXCFrvHt9Qa_kRVfdtYeKorbRL2waOo29f5wcyw@mail.gmail.com> <d434edb8-5f09-7331-c89d-9b78907e896a@redhat.com> <CAOLK0pxrdWZ6RAJROw0cyfexjZnKqSsCrm-jUD=wUHWvWV47kQ@mail.gmail.com>
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On 08/01/19 04:42, Tianyu Lan wrote:
> From my understanding, this means to move the flush in the
> kvm_mmu_notifier_clear_flush_young()
> to kvm_age_hva() and do flush in kvm_age_hva() when young is >0 and "flush"
> parameter is true, right?

Yes.

Paolo

References:
- [PATCH 00/11] X86/KVM/Hyper-V: Add HV ept tlb range list flush support in KVM
  - From: lantianyu1986
- [PATCH 11/11] KVM/MMU: Flush tlb in the kvm_age_rmapp()
  - From: lantianyu1986
- Re: [PATCH 11/11] KVM/MMU: Flush tlb in the kvm_age_rmapp()
  - From: Tianyu Lan
- Re: [PATCH 11/11] KVM/MMU: Flush tlb in the kvm_age_rmapp()
  - From: Paolo Bonzini
- Re: [PATCH 11/11] KVM/MMU: Flush tlb in the kvm_age_rmapp()
  - From: Tianyu Lan

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