Re: + clocksource-add-generic-sched_clock.patch added to -mm tree

From: Thomas Gleixner
Date: Sun Oct 08 2006 - 12:20:44 EST


On Sun, 2006-10-08 at 09:06 -0700, Daniel Walker wrote:
> On Sun, 2006-10-08 at 17:46 +0200, Thomas Gleixner wrote:
> > On Sun, 2006-10-08 at 08:32 -0700, Daniel Walker wrote:
> > > > sched_clock is a user of the clocksource API and there is absolutely no
> > > > reason to put that into sched.c
> > >
> > > We could do something like kernel/time/sched_clock.c ? I really don't
> > > like the idea of stuff sched_clock() , and timekeeping back into
> > > clocksource.
> >
> > Do we really want 3 files which each has 50 lines of code ? Although
> > it's better than pushing that stuff into sched.c and timer.c. timer.c is
> > enough mess and we really do not want to add more.
>
> I think John's plan, and my plan, is to move the generic time bits, plus
> the timekeeping specific clocksource stuff, into a different file.
> kernel/timer.c shouldn't have that stuff anyway. That's about 250 lines,
> the part of that which is due to the clocksource is about 100 lines.
>
> Are you thinking that this interface is only likely to have one or two
> users?

Probably. Anyway, can we just keep the stuff in clocksource.c right
now ?

The sched stuff is really not worth a seperate file and the timekeeping
bits might move into kernel/time/timeofday.c once everone is happy to
move the timekeeping code out of timer.c

tglx


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