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posted by martyb on Saturday February 16 2019, @02:08PM   Printer-friendly
from the so-that-means...-we-are-screwed dept.
 
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  • (Score: 3, Interesting) by RS3 on Tuesday February 19 2019, @07:40AM

    by RS3 (6367) on Tuesday February 19 2019, @07:40AM (#803400)

    Sorry- verbal skills are my weakest suit. I try to be as clear as possible and people always find a way to misunderstand. Your question was absolutely okay- I was just trying to clarify what I wrote. I keep having a problem here (mostly here, and it just happened 2 more times) where people extrapolate from something I write, but then pin that extrapolation back on me, in a kind of accusatory way, and demand I defend something I never wrote, and is false and I disagree with. You weren't being accusatory at all; I'm just frustrated that I can't seem to write clearly the first time around.

    What I meant to write was: there are many vulnerabilities, not just speculative execution, so a CPU which does not do speculative execution can still be vulnerable.

    And repeating myself from earlier, it seems the problem is that the cache controller does not know memory protection boundaries, and if that's true, that's a horrible error. I'm still searching for a clarification on that possibility.

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