linux-kernel - Re: [RFC PATCH v5 037/104] KVM: x86/mmu: Allow non-zero init value for shadow PTE

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Message-ID: <1474e665-c619-1a01-3a28-51894161e316@redhat.com>
Date:   Tue, 5 Apr 2022 16:14:25 +0200
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Kai Huang <kai.huang@...el.com>, isaku.yamahata@...el.com,
        kvm@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     isaku.yamahata@...il.com, Jim Mattson <jmattson@...gle.com>,
        erdemaktas@...gle.com, Connor Kuehl <ckuehl@...hat.com>,
        Sean Christopherson <seanjc@...gle.com>
Subject: Re: [RFC PATCH v5 037/104] KVM: x86/mmu: Allow non-zero init value
 for shadow PTE

On 4/1/22 09:13, Kai Huang wrote:
> Btw, I think the relevant part of TDP MMU change should be included in this
> patch too otherwise TDP MMU is broken with this patch.

I agree.

Paolo

> Actually in this series legacy MMU is not supported to work with TDX, so above
> change to legacy MMU doesn't matter actually.  Instead, TDP MMU change should be
> here.