On Mon, Feb 26, 2018 at 07:25:28PM +0800, Wanpeng Li wrote: > Both are the same values set by kvm userspace. This still doesn't answer my question what "the non-sensical value which is written by the guest will not reflect to guest-visible microcode revision" means? > This is correct. The link explains why the userspace sets microcode > revision is still needed. Why is it still needed? -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.