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    SubjectRe: Alpha Timekeeping - Hardware Questions
       Date: 	Thu, 13 May 1999 09:16:56 -0700
    From: Richard Henderson <>

    I have no definitive answer, but I would strongly suspect we cannot
    rely on tick mechanisms with SMP.

    Unless Alpha's support different clock rate cpus mixed into a single
    machine, you can use something like Ingo's tick calibration code at
    boot time to make sure all cpu's have synchronized tick values.

    David S. Miller

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