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    SubjectRe: [PATCH] syscall latency improvement #1
    Linus Torvalds <> writes:

    > Looking at the code, I suspect that 99.9% of this "improvement" comes from
    > one thing, and one thing only: you removed the "cli" in the system call
    > return path.

    It doesn't explain the Athlon speedups. On athlon cli is ~4 cycles.

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