Re: [PATCH 1/5] KVM: x86: Get vmcs12 pages before checking pending interrupts

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Subject: Re: [PATCH 1/5] KVM: x86: Get vmcs12 pages before checking pending interrupts
From: Mingwei Zhang <mizhang@xxxxxxxxxx>
Date: Thu, 25 Aug 2022 13:37:57 -0700
Cc: Jim Mattson <jmattson@xxxxxxxxxx>, Maxim Levitsky <mlevitsk@xxxxxxxxxx>, Paolo Bonzini <pbonzini@xxxxxxxxxx>, Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>, Wanpeng Li <wanpengli@xxxxxxxxxxx>, Joerg Roedel <joro@xxxxxxxxxx>, kvm <kvm@xxxxxxxxxxxxxxx>, LKML <linux-kernel@xxxxxxxxxxxxxxx>, Oliver Upton <oupton@xxxxxxxxxx>
In-reply-to: <CAL715WJEkT6heVT1P2RZw_5NxBcORCrBTS60L_RZT-05zr_zsw@mail.gmail.com>
References: <20220802230718.1891356-1-mizhang@google.com> <20220802230718.1891356-2-mizhang@google.com> <b03adf94-5af2-ff5e-1dbb-6dd212790083@redhat.com> <CAL715WLQa5yz7SWAfOBUzQigv2JG1Ao+rwbeSJ++rKccVoZeag@mail.gmail.com> <17505e309d02cf5a96e33f75ccdd6437a8c79222.camel@redhat.com> <Ywa+QL/kDp9ibkbC@google.com> <CALMp9eSZ-C4BSSm6c5HBayjEVBdEwTBFcOw37yrd014cRwKPug@mail.gmail.com> <YweJ+hX8Ayz11jZi@google.com> <CAL715WK4eqxX9EUHzwqT4o-OX4S_1-WcTr5UuGnc-KEb7pk6EQ@mail.gmail.com> <Ywe3IC7OlF/jYU1X@google.com> <CAL715WJEkT6heVT1P2RZw_5NxBcORCrBTS60L_RZT-05zr_zsw@mail.gmail.com>

> Currently, KVM_SET_NESTED_STATE is a two-step process in which the 1st
> step does not require vmcs12 to be ready. So, I am thinking about what
> it means to deprecate KVM_REQ_GET_NESTED_STATE_PAGES?

typo:

"KVM_SET_NESTED_STATE is a two-step process" -> "Launching a nested VM
is a two-step process".

References:
- [PATCH 0/5] Fix a race between posted interrupt delivery and migration in a nested VM
  - From: Mingwei Zhang
- [PATCH 1/5] KVM: x86: Get vmcs12 pages before checking pending interrupts
  - From: Mingwei Zhang
- Re: [PATCH 1/5] KVM: x86: Get vmcs12 pages before checking pending interrupts
  - From: Paolo Bonzini
- Re: [PATCH 1/5] KVM: x86: Get vmcs12 pages before checking pending interrupts
  - From: Mingwei Zhang
- Re: [PATCH 1/5] KVM: x86: Get vmcs12 pages before checking pending interrupts
  - From: Maxim Levitsky
- Re: [PATCH 1/5] KVM: x86: Get vmcs12 pages before checking pending interrupts
  - From: Sean Christopherson
- Re: [PATCH 1/5] KVM: x86: Get vmcs12 pages before checking pending interrupts
  - From: Jim Mattson
- Re: [PATCH 1/5] KVM: x86: Get vmcs12 pages before checking pending interrupts
  - From: Sean Christopherson
- Re: [PATCH 1/5] KVM: x86: Get vmcs12 pages before checking pending interrupts
  - From: Mingwei Zhang
- Re: [PATCH 1/5] KVM: x86: Get vmcs12 pages before checking pending interrupts
  - From: Sean Christopherson
- Re: [PATCH 1/5] KVM: x86: Get vmcs12 pages before checking pending interrupts
  - From: Mingwei Zhang

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