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SubjectRE: RSB Alternative bit in IA32_ARCH_CAPABILITIES Was:Re: [PATCH 2/2] x86/speculation: Support "Enhanced IBRS" on future CPUs
Date
> 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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