Re: MSEC_TO_JIFFIES is messed up...
From: Davide Libenzi
Date: Wed May 12 2004 - 14:58:59 EST
On Wed, 12 May 2004 Valdis.Kletnieks@xxxxxx wrote:
> On Wed, 12 May 2004 21:33:49 +0200, Ingo Molnar said:
> > * Jeff Garzik <jgarzik@xxxxxxxxx> wrote:
> > > >Woah, that's new. And wrong. The code in include/asm-i386/param.h that
> > > >says:
> > > > # define JIFFIES_TO_MSEC(x) (x)
> > > > # define MSEC_TO_JIFFIES(x) (x)
> > > >
> > > >Is not correct. Look at kernel/sched.c for verification of this :)
> > >
> > >
> > > Yes, that is _massively_ broken.
> > why is it wrong?
> If the kernel jiffie is anything other than exactly 1 msec, you're screwed...
I believe they were talking about include/asm-i386/param.h
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