Re: [PATCH] KVM: x86/mmu: Calculate and check "full" mmu_role for nested MMU

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Subject: Re: [PATCH] KVM: x86/mmu: Calculate and check "full" mmu_role for nested MMU
From: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Date: Fri, 11 Jun 2021 18:19:13 +0200
Cc: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>, Wanpeng Li <wanpengli@xxxxxxxxxxx>, Jim Mattson <jmattson@xxxxxxxxxx>, Joerg Roedel <joro@xxxxxxxxxx>, kvm@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <20210610220026.1364486-1-seanjc@google.com>
References: <20210610220026.1364486-1-seanjc@google.com>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.1

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 bedriven only by the context->root_level.


Paolo

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  - From: Sean Christopherson

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