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    SubjectRe: [RFC 09/10] x86/enter: Create macros to restrict/unrestrict Indirect Branch Speculation
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    On Tue, 2018-01-23 at 14:49 -0800, Andi Kleen wrote:
    > > Not sure.  Maybe to start, the answer might be to allow it to be set for
    > > the ultra-paranoid, but in general don't enable it by default.  Having it
    > > enabled would be an alternative to someone deciding to disable SMT, since
    > > that would have even more of a performance impact.
    >
    > I agree. A reasonable strategy would be to only enable it for
    > processes that have dumpable disabled. This should be already set for
    > high value processes like GPG, and allows others to opt-in if
    > they need to.

    That seems to make sense, and I think was the solution we were
    approaching for IBPB on context switch too, right?

    Are we generally agreed on dumpable as the criterion for both of those?[unhandled content-type:application/x-pkcs7-signature]
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