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

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Subject: Re: [RFC PATCH v5 037/104] KVM: x86/mmu: Allow non-zero init value for shadow PTE
From: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Date: Tue, 5 Apr 2022 16:14:25 +0200
Cc: isaku.yamahata@xxxxxxxxx, Jim Mattson <jmattson@xxxxxxxxxx>, erdemaktas@xxxxxxxxxx, Connor Kuehl <ckuehl@xxxxxxxxxx>, Sean Christopherson <seanjc@xxxxxxxxxx>
In-reply-to: <3cfffe9a29e53ae58dc59d0af3d52128babde79f.camel@intel.com>
References: <cover.1646422845.git.isaku.yamahata@intel.com> <b74b3660f9d16deafe83f2670539a8287bef988f.1646422845.git.isaku.yamahata@intel.com> <968de4765e63d8255ae1b3ac7062ffdca64706e4.camel@intel.com> <3cfffe9a29e53ae58dc59d0af3d52128babde79f.camel@intel.com>
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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.

Follow-Ups:
- Re: [RFC PATCH v5 037/104] KVM: x86/mmu: Allow non-zero init value for shadow PTE
  - From: Isaku Yamahata

References:
- [RFC PATCH v5 000/104] KVM TDX basic feature support
  - From: isaku . yamahata
- [RFC PATCH v5 037/104] KVM: x86/mmu: Allow non-zero init value for shadow PTE
  - From: isaku . yamahata
- Re: [RFC PATCH v5 037/104] KVM: x86/mmu: Allow non-zero init value for shadow PTE
  - From: Kai Huang
- Re: [RFC PATCH v5 037/104] KVM: x86/mmu: Allow non-zero init value for shadow PTE
  - From: Kai Huang

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