Messages in this thread | | | From | Wanpeng Li <> | Date | Mon, 26 Feb 2018 19:37:32 +0800 | Subject | Re: [PATCH] KVM: X86: Allow userspace to define the microcode version |
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2018-02-26 19:30 GMT+08:00 Borislav Petkov <bp@alien8.de>: > 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?
The guest write is ignored as the original kvm implementation before the patch.
> >> This is correct. The link explains why the userspace sets microcode >> revision is still needed. > > Why is it still needed?
Hmm, the apic_check_deadline_errata() example can be referred to.
Regards, Wanpeng Li
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