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Intel's Mitigation For CVE-2019-14615 Graphics Vulnerability Obliterates Gen7 iGPU Performance

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  • Snaipersky
    replied
    Good grief, no thanks.

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  • Michael
    replied
    Originally posted by Dark-Show View Post
    Said on the last post about this exploit but might as well pop it here as well.
    I wonder if this patch can be worked to disable on the fly and have Feral's GameMode gain a massive new Intel feature?
    Might be better than forgetting to re-enable the patch and being compromised from browsing, if you're a gamer.
    As said in the article, there currently is no toggle for disabling the patch (short of not running Gen7 graphics). And as said, hopefully there will be such an option though for the kernel module parameter. It's unlikely though to be a on-the-fly parameter like would be handled by GameMode but likely boot-time only.

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  • Dark-Show
    replied
    Said on the last post about this exploit but might as well pop it here as well.
    I wonder if this patch can be worked to disable on the fly and have Feral's GameMode / Steam gain a massive new Intel feature?
    Might be better than forgetting to re-enable the patch and being compromised from browsing, if you're a gamer.

    On second thought, the disable process could probably then be exploited. Let's hope for an alternative (faster) patch.
    Last edited by Dark-Show; 01-15-2020, 09:28 PM.

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  • Intel's Mitigation For CVE-2019-14615 Graphics Vulnerability Obliterates Gen7 iGPU Performance

    Phoronix: Intel's Mitigation For CVE-2019-14615 Graphics Vulnerability Obliterates Gen7 iGPU Performance

    Yesterday we noted that the Linux kernel picked up a patch mitigating an Intel Gen9 graphics vulnerability. It didn't sound too bad at first but then seeing Ivy Bridge Gen7 and Haswell Gen7.5 graphics are also affected raised eyebrows especially with that requiring a much larger mitigation. Now in testing the performance impact, the current mitigation patches completely wreck the performance of Ivybridge/Haswell graphics performance.

    http://www.phoronix.com/vr.php?view=28790
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