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    SubjectRe: [RFC PATCH v2 2/6] x86/arch_prctl: add ARCH_GET_NOPTI and ARCH_SET_NOPTI to enable/disable PTI
    On Tue, Jan 09, 2018 at 01:26:57PM -0800, Andy Lutomirski wrote:
    > 2.Turning off PTI is, in general, a terrible idea. It totally breaks
    > any semblance of a security model on a Meltdown-affected CPU. So I
    > think we should require CAP_SYS_RAWIO *and* that the system is booted
    > with pti=allow_optout or something like that.

    Uhh, I like that.

    Maybe also taint the kernel ...

    --
    Regards/Gruss,
    Boris.

    Good mailing practices for 400: avoid top-posting and trim the reply.

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