On Mon, 19 Feb 2018 23:42:24 +0000, "Van De Ven, Arjan" said: > the guest is not the problem; guests obviously will already honor if Enhanced > IBRS is enumerated. The problem is mixed migration pools where the hypervisor > may need to decide to not pass this enumeration through to the guest. For bonus points: What should happen to a VM that is live migrated from one hypervisor to another, and the hypervisors have different IBRS support?
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