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SubjectRe: [PATCH 4/7] kvm: vmx: Set IBPB when running a different VCPU
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On 08/01/2018 20:36, Jim Mattson wrote:
> Shouldn't there be an IBPB on *any* context switch away from a VCPU
> thread, even if it is to a non-VCPU thread?

Yes, but that's the task of patches to the generic Linux context
switching code. As mentioned in the cover letter, this isn't yet a full
solution---just the KVM bits, which is what Radim and I have full
control on. Hence the hacks with cpuid in local bools.

Paolo

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