Re: [PATCH] KVM: X86: Allow userspace to define the microcode version

Borislav Petkov
2018-02-26T12:22:27Z

On Mon, Feb 26, 2018 at 01:18:07PM +0100, Paolo Bonzini wrote:
> > In this context, "host-initiated" write means written by KVM userspace
> > with ioctl(KVM_SET_MSR). It generally happens only on VM startup, reset
> > or live migration.
>
> To be clear, the target of the write is still the vCPU's emulated MSR.

So how am I to imagine this as a user:

qemu-system-x86_64 --microcode-revision=0xdeadbeef...

?

--
Regards/Gruss,
Boris.

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