linux-kernel - Re: [PATCH v2 05/17] KVM: x86/mmu: Allocate pae_root and lm

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Message-ID: <2ef5e563-8d7d-3d5a-6a19-d7daaf5c0881@redhat.com>
Date:   Fri, 5 Mar 2021 18:34:23 +0100
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, Ben Gardon <bgardon@...gle.com>,
        Brijesh Singh <brijesh.singh@....com>,
        Tom Lendacky <thomas.lendacky@....com>
Subject: Re: [PATCH v2 05/17] KVM: x86/mmu: Allocate pae_root and lm_root
 pages in dedicated helper

On 05/03/21 02:10, Sean Christopherson wrote:
> +	/*
> +	 * This mess only works with 4-level paging and needs to be updated to
> +	 * work with 5-level paging.
> +	 */

Planning for this, it's probably a good idea to rename lm_root to 
pml4_root.  Can be done on top.

Paolo