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@satchmoz The updated microcode just adds support for SPEC_CTRL (enabling/disabling IBP, for IBRS) and IBPB (IBP barriers) to the CPU. If the OS doesn't make use of these features, nothing changes.
@satchmoz The updated microcode just adds support for SPEC_CTRL (enabling/disabling IBP, for IBRS) and IBPB (IBP barriers) to the CPU. If the OS doesn't make use of these features, nothing changes.