linux-kernel - Re: [PATCH 10/12] KVM: X86/MMU: Don't add parents to struct kvm_mmu

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Message-ID: <YtcVRnCshyb03Wv8@google.com>
Date:   Tue, 19 Jul 2022 20:34:14 +0000
From:   Sean Christopherson <seanjc@...gle.com>
To:     Lai Jiangshan <jiangshanlai@...il.com>
Cc:     linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
        Paolo Bonzini <pbonzini@...hat.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Maxim Levitsky <mlevitsk@...hat.com>,
        Lai Jiangshan <jiangshan.ljs@...group.com>
Subject: Re: [PATCH 10/12] KVM: X86/MMU: Don't add parents to struct
 kvm_mmu_pages

On Sun, Jun 05, 2022, Lai Jiangshan wrote:
> From: Lai Jiangshan <jiangshan.ljs@...group.com>
> 
> Parents added into the struct kvm_mmu_pages are never used.

s/never/no longer, and if possible, exapnd on why they are no longer used.  Most
of that can be gleaned from prior patches, but capturing the high level historical
details isn't that onerous.