linux-kernel - Re: [PATCH v2 0/2] KVM: nSVM: few fixes for the nested migration

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Message-ID: <08d7ea6e-8b90-e606-5dcf-18393bbae9fd@redhat.com>
Date:   Tue, 4 May 2021 18:19:31 +0200
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Maxim Levitsky <mlevitsk@...hat.com>, kvm@...r.kernel.org
Cc:     Borislav Petkov <bp@...en8.de>,
        "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" <x86@...nel.org>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>,
        "H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        linux-kernel@...r.kernel.org, Cathy Avery <cavery@...hat.com>,
        Sean Christopherson <seanjc@...gle.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Joerg Roedel <joro@...tes.org>
Subject: Re: [PATCH v2 0/2] KVM: nSVM: few fixes for the nested migration

On 04/05/21 16:39, Maxim Levitsky wrote:
> Those are few fixes for issues I uncovered by doing variants of a
> synthetic migration test I just created:
> 
> I modified the qemu, such that on each vm pause/resume cycle,
> just prior to resuming a vCPU, qemu reads its KVM state,
> then (optionaly) resets this state by uploading a
> dummy reset state to KVM, and then it uploads back to KVM,
> the state that this vCPU had before.
> 
> V2: those are only last 2 patches from V1,
> updated with review feedback from Paolo (Thanks!).

Queued, thanks.

Paolo

> Best regards,
> 	Maxim Levitsky
> 
> Maxim Levitsky (2):
>    KVM: nSVM: always restore the L1's GIF on migration
>    KVM: nSVM: remove a warning about vmcb01 VM exit reason
> 
>   arch/x86/kvm/svm/nested.c | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)
>