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Linux 5.10 To See Static Calls For Helping Cases Where Retpolines Are Used

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  • Linux 5.10 To See Static Calls For Helping Cases Where Retpolines Are Used

    Phoronix: Linux 5.10 To See Static Calls For Helping Cases Where Retpolines Are Used

    A new kernel feature sent in today for the Linux 5.10 merge window is static calls, which can be helpful in cases where Retpolines (return trampolines) are currently used as part of protections against speculative execution vulnerabilities like Spectre...

    http://www.phoronix.com/scan.php?pag...0-Static-Calls

  • #2
    So, in other words, now we're optimizing the kernel by using self modifying code? Awesome!

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    • #3
      Originally posted by ed31337 View Post
      So, in other words, now we're optimizing the kernel by using self modifying code? Awesome!
      The kernel has been using self-modifying code for optimisation and feature enablement for a long time. SMP enablement is one example.

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