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x86 Straight Line Speculation CPU Mitigation Appears For Linux 5.17

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  • x86 Straight Line Speculation CPU Mitigation Appears For Linux 5.17

    Phoronix: x86 Straight Line Speculation CPU Mitigation Appears For Linux 5.17

    The Linux 5.17 kernel is introducing support for the x86 straight-line speculation "SLS" mitigation with it becoming increasingly clear modern x86_64 CPUs are susceptible to speculatively executing linearly in memory past an unconditional change in control flow...

    https://www.phoronix.com/scan.php?pa...itigation-5.17

  • #2
    Awful lot of work for something they're leaving waiting in the wings.

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    • #3
      Originally posted by Developer12 View Post
      Awful lot of work for something they're leaving waiting in the wings.
      I agree, Intel devs know more than they are letting on, I bet a large subset of their processors are vulnerable to this and they are just trying to keep the lid on it for now until mitigations get in place.

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      • #4
        Originally posted by kylew77 View Post

        I agree, Intel devs know more than they are letting on, I bet a large subset of their processors are vulnerable to this and they are just trying to keep the lid on it for now until mitigations get in place.
        I think they just want to delay flipping it on as long as possible. It's an admission of defeat.

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        • #5
          Yeah, more slowdowns needed. People just have to buy new CPUs.

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