Some of Intel's Effort to Repair Spectre in Future CPUsJul 26, 2018, 05:00 (0 Talkback[s])
(Other stories by Zack Brown)
Dave Hansen from Intel posted a patch and said, "Intel is considering adding a new bit to the IA32_ARCH_CAPABILITIES MSR (Model-Specific Register) to tell when RSB (Return Stack Buffer) underflow might be happening. Feedback on this would be greatly appreciated before the specification is finalized."
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