linux-kernel - Re: [PATCH] KVM: x86/mmu: Calculate and check "full" mmu

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Message-ID: <b2084f55-3ce5-57c4-f580-d6a2de6ce612@redhat.com>
Date:   Fri, 11 Jun 2021 18:19:13 +0200
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Sean Christopherson <seanjc@...gle.com>
Cc:     Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>,
        Joerg Roedel <joro@...tes.org>, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] KVM: x86/mmu: Calculate and check "full" mmu_role for
 nested MMU

On 11/06/21 00:00, Sean Christopherson wrote:
> things like the number of levels in the guest's page tables are
> surprisingly important when walking the guest page tables

Along which path though?  I would have naively expected those to be 
driven only by the context->root_level.

Paolo