linux-kernel - Re: [PATCH v5 0/5] KVM: x86: dump_vmcs: don't assume GUEST_IA32

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Message-ID: <7bbf736c-efd8-6169-171c-098a2869944f@redhat.com>
Date:   Thu, 1 Apr 2021 14:54:18 +0200
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     David Edmondson <david.edmondson@...cle.com>,
        linux-kernel@...r.kernel.org
Cc:     Ingo Molnar <mingo@...hat.com>, Joerg Roedel <joro@...tes.org>,
        "H. Peter Anvin" <hpa@...or.com>, kvm@...r.kernel.org,
        Wanpeng Li <wanpengli@...cent.com>, x86@...nel.org,
        Borislav Petkov <bp@...en8.de>,
        Thomas Gleixner <tglx@...utronix.de>,
        Sean Christopherson <seanjc@...gle.com>,
        Jim Mattson <jmattson@...gle.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>
Subject: Re: [PATCH v5 0/5] KVM: x86: dump_vmcs: don't assume GUEST_IA32_EFER,
 show MSR autoloads/autosaves

On 18/03/21 13:08, David Edmondson wrote:
> v2:
> - Don't use vcpu->arch.efer when GUEST_IA32_EFER is not available (Paolo).
> - Dump the MSR autoload/autosave lists (Paolo).
> 
> v3:
> - Rebase to master.
> - Check only the load controls (Sean).
> - Always show the PTPRs from the VMCS if they exist (Jim/Sean).
> - Dig EFER out of the MSR autoload list if it's there (Paulo).
> - Calculate and show the effective EFER if it is not coming from
>    either the VMCS or the MSR autoload list (Sean).
> 
> v4:
> - Ensure that each changeset builds with just the previous set.
> 
> v5:
> - Rebase.
> - Remove some cruft from changeset comments.
> - Add S-by as appropriate.
> 
> David Edmondson (5):
>    KVM: x86: dump_vmcs should not assume GUEST_IA32_EFER is valid
>    KVM: x86: dump_vmcs should not conflate EFER and PAT presence in VMCS
>    KVM: x86: dump_vmcs should consider only the load controls of EFER/PAT
>    KVM: x86: dump_vmcs should show the effective EFER
>    KVM: x86: dump_vmcs should include the autoload/autostore MSR lists
> 
>   arch/x86/kvm/vmx/vmx.c | 58 +++++++++++++++++++++++++++++-------------
>   arch/x86/kvm/vmx/vmx.h |  2 +-
>   2 files changed, 42 insertions(+), 18 deletions(-)
> 

Queued, thanks.

Paolo