Messages in this thread | | | From | "Van De Ven, Arjan" <> | Subject | RE: RSB Alternative bit in IA32_ARCH_CAPABILITIES Was:Re: [PATCH 2/2] x86/speculation: Support "Enhanced IBRS" on future CPUs | Date | Fri, 23 Feb 2018 18:18:52 +0000 |
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> To add a bit more to this, Intel just updated their > IA32_ARCH_CAPABILITIES_MSR > to have a new bit to sample to figure out whether you need IBRS or not > during runtime.
actually we updated the document when you need RSB stuffing. based on the request of various folks here on LKML.
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