linux-kernel - Re: [PATCH V2 0/7] KVM: X86/MMU: Use one-off special shadow page for special roots

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Message-ID: <CAJhGHyA3UxremNUH6x5NfUtNMG57zWMM776jzPfj9wfjqvXd2A@mail.gmail.com>
Date:   Fri, 13 May 2022 16:22:27 +0800
From:   Lai Jiangshan <jiangshanlai@...il.com>
To:     LKML <linux-kernel@...r.kernel.org>,
        "open list:KERNEL VIRTUAL MACHINE FOR MIPS (KVM/mips)" 
        <kvm@...r.kernel.org>, Paolo Bonzini <pbonzini@...hat.com>,
        Sean Christopherson <seanjc@...gle.com>
Cc:     Lai Jiangshan <jiangshan.ljs@...group.com>
Subject: Re: [PATCH V2 0/7] KVM: X86/MMU: Use one-off special shadow page for
 special roots

On Tue, May 3, 2022 at 11:06 PM Lai Jiangshan <jiangshanlai@...il.com> wrote:
>
> From: Lai Jiangshan <jiangshan.ljs@...group.com>
>
> Current code uses mmu->pae_root, mmu->pml4_root, and mmu->pml5_root to
> setup special roots.  The initialization code is complex and the roots
> are not associated with struct kvm_mmu_page which causes the code more
> complex.
>
> So add new special shadow pages to simplify it.
>

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