Re: [PATCH] i386: Selectable Frequency of the Timer Interrupt

From: john stultz
Date: Thu Jul 14 2005 - 14:45:31 EST


On Thu, 2005-07-14 at 19:02 +0200, Arjan van de Ven wrote:
> On Thu, 2005-07-14 at 09:37 -0700, Linus Torvalds wrote:
> > just doesn't realize that the latter is a bit more complicated exactly
> > because the latter is a hell of a lot more POWERFUL. Trying to get rid of
> > jiffies for some religious reason is _stupid_.
>
> I have nothing religious against jiffies per se. My argument however is
> that with a few simple, relative interfaces *in addition* to an absolute
> interface, almost all drivers suddenly are isolated from jiffies and HZ
> because they simply don't care. Because they really DON'T care about
> absolute time. At all.

We'll I'd probably put it as: "they do care about absolute time, but
they do not care about ticks or timer interrupt frequency"

thanks
-john


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