Messages in this thread | | | Subject | Re: [PATCH 3/8] kvm: vmx: pass MSR_IA32_SPEC_CTRL and MSR_IA32_PRED_CMD down to the guest | From | Arjan van de Ven <> | Date | Wed, 10 Jan 2018 06:06:59 -0800 |
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On 1/10/2018 5:20 AM, Paolo Bonzini wrote: > * a simple specification that does "IBRS=1 blocks indirect branch > prediction altogether" would actually satisfy the specification just as > well, and it would be nice to know if that's what the processor actually > does.
it doesn't exactly, not for all.
so you really do need to write ibrs again.
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