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    SubjectRe: [PATCH] i386: Selectable Frequency of the Timer Interrupt
    Lee Revell wrote:
    > On Wed, 2005-07-13 at 14:16 -0700, Chris Wedgwood wrote:
    >
    >>Both can be detected from you .config and we could see HZ as needed
    >>there and everyone else could avoid this surely?

    >
    > Does anyone object to setting HZ at boot? I suspect nothing else will
    > make everyone happy.
    >
    This will really mess up the jiffie_to_* and *_to_jiffie conversions. They rely
    in a rather large way on the complier doing all the heavy lifting. If HZ is a
    variable we introduce a LOT of runtime overhead here. (Try make kernel/itimer.i
    and look for jiffies_to_t* and friends.)


    --
    George Anzinger george@mvista.com
    HRT (High-res-timers): http://sourceforge.net/projects/high-res-timers/
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