Override timer interrupt

Benjamin Herrenschmidt benh at kernel.crashing.org
Tue Oct 16 07:58:18 EST 2007

On Mon, 2007-10-15 at 16:50 -0500, Rune Torgersen wrote:
> Huh? Not in 2.6.18/arch/ppc at least, unless I'm completely
> misundrstanding the code.
> ppc/powerpc seems to be using clocksource_jiffies as the clock source,
> and teh gettimeofday gets xtime + a offset from last jiffie, and xtime
> is updated with a fixed amount per tick.
> Things have changed a lot since I last delved deep into this to try to
> ge an accurate freerunning clock (2.6.12).

Hrm... 2.6.18 doesn't have clock sources in the first place, what kernel
are you using ?


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