Re: [PATCH] msleep() with hrtimers

From: Manu Abraham
Date: Wed Aug 08 2007 - 07:09:24 EST


On 08 Aug 2007 13:55:28 +0200, Andi Kleen <andi@xxxxxxxxxxxxxx> wrote:
> Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> writes:
> >
> > I'd be surprised if there was significant overhead - the maximum frequency
> > at which msleep() can be called is 1000Hz. We'd need an awful lot of
> > overhead for that to cause problems, surely?
>
> The bigger risk is probably to break drivers that rely on msleep(1)
> really being msleep( very long depending on HZ )
>
> But the only way to find out is to try it.

Well, i am quite sure a lot of drivers will be broken. But well .. if
it is for the better, guess, never mind ...

Manu
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