Re: [RFC PATCH v3 33/36] i386/tdx: Only configure MSR_IA32_UCODE_REV in kvm_init_msrs() for TDs

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Subject: Re: [RFC PATCH v3 33/36] i386/tdx: Only configure MSR_IA32_UCODE_REV in kvm_init_msrs() for TDs
From: Isaku Yamahata <isaku.yamahata@xxxxxxxxx>
Date: Fri, 18 Mar 2022 10:31:20 -0700
Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx>, Philippe Mathieu-Daud??? <f4bug@xxxxxxxxx>, Richard Henderson <richard.henderson@xxxxxxxxxx>, "Michael S. Tsirkin" <mst@xxxxxxxxxx>, Marcel Apfelbaum <marcel.apfelbaum@xxxxxxxxx>, Cornelia Huck <cohuck@xxxxxxxxxx>, "Daniel P. Berrang???" <berrange@xxxxxxxxxx>, Marcelo Tosatti <mtosatti@xxxxxxxxxx>, Laszlo Ersek <lersek@xxxxxxxxxx>, Gerd Hoffmann <kraxel@xxxxxxxxxx>, Eric Blake <eblake@xxxxxxxxxx>, isaku.yamahata@xxxxxxxxx, kvm@xxxxxxxxxxxxxxx, Connor Kuehl <ckuehl@xxxxxxxxxx>, seanjc@xxxxxxxxxx, qemu-devel@xxxxxxxxxx, erdemaktas@xxxxxxxxxx, isaku.yamahata@xxxxxxxxx
In-reply-to: <20220317135913.2166202-34-xiaoyao.li@intel.com>
References: <20220317135913.2166202-1-xiaoyao.li@intel.com> <20220317135913.2166202-34-xiaoyao.li@intel.com>

On Thu, Mar 17, 2022 at 09:59:10PM +0800,
Xiaoyao Li <xiaoyao.li@xxxxxxxxx> wrote:

> For TDs, only MSR_IA32_UCODE_REV in kvm_init_msrs() can be configured
> by VMM, while the features enumerated/controlled by other MSRs except
> MSR_IA32_UCODE_REV in kvm_init_msrs() are not under control of VMM.
> 
> Only configure MSR_IA32_UCODE_REV for TDs.

non-TDs?
-- 
Isaku Yamahata <isaku.yamahata@xxxxxxxxx>

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- Re: [RFC PATCH v3 33/36] i386/tdx: Only configure MSR_IA32_UCODE_REV in kvm_init_msrs() for TDs
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References:
- [RFC PATCH v3 00/36] TDX QEMU support
  - From: Xiaoyao Li
- [RFC PATCH v3 33/36] i386/tdx: Only configure MSR_IA32_UCODE_REV in kvm_init_msrs() for TDs
  - From: Xiaoyao Li

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