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Re:Is it time for open processors? by em3rgent0rdr on Friday January 19, 2018 @03:47PM (#16189649)
Was is a unintentional bug, or was a deliberate design tradeoff favoring performance over security?
Re:Is it time for open processors? by int0x80 on Friday January 19, 2018 @05:21PM (#16190414)
I'm assuming the former, but I could be wrong.
Re:Is it time for open processors? by em3rgent0rdr on Friday January 19, 2018 @07:11PM (#16191128)
The risk of speculative updates to branch predictor and page tables was known to the research community for a while. Even if it was initially an unintentional bug, they had plenty of time to take precautions against it by prohibiting speculative updates.