Are CPU backdoors possible? What would one look like? http://danluu.com/cpu-backdoors/
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@danluu Also, while "rep string" is cute, that also requires you to stop funding AVX-like extensions. Backdooring something basic is better! -
@shipilev Yeah, I only mention it because it's a long-running microcoded instruction, so it may be possible to sneak in a ucode patch that - 1 more reply
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@danluu Yes, hardware is not software: you can actually throw transistors to the (concurrent) problem without sacrificing latency or thrpt.Thanks. Twitter will use this to make your timeline better. UndoUndo
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