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Date: Mon, 26 Feb 2018 13:22:05 +0100
From: Borislav Petkov <bp@alien8.de>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: Wanpeng Li <kernellwp@gmail.com>, LKML <linux-kernel@vger.kernel.org>,
        kvm <kvm@vger.kernel.org>,
        Radim =?utf-8?B?S3LEjW3DocWZ?= <rkrcmar@redhat.com>
Subject: Re: [PATCH] KVM: X86: Allow userspace to define the microcode version
Message-ID: <20180226122205.GG4377@pd.tnic>
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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.

Good mailing practices for 400: avoid top-posting and trim the reply.