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    SubjectRe: x86/asm: __clear_user() micro-optimization (was: "Re: [GIT PULL] x86/asm changes for v4.18")
    On Tue, Jun 5, 2018 at 10:22 AM Alexey Dobriyan <adobriyan@gmail.com> wrote:
    >
    > Tested? :^) I had P4 maybe ~15(?) years ago.

    Did you EVEN test it on what you have today?

    Do you have any numbers at all, in other words?

    Micro-optimizations need numbers. Otherwise they aren't
    micro-optimizations, they are just "change code randomly".

    Linus

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