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

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On 3/19/2022 1:31 AM, Isaku Yamahata wrote:
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?

No. It meant exactly TDs.

Only MSR_IA32_UCODE_REV is supported to be emulated by VMM for TDs.



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