Messages in this thread | | | Subject | Re: + clocksource-add-generic-sched_clock.patch added to -mm tree | From | Daniel Walker <> | Date | Sun, 08 Oct 2006 14:33:41 -0700 |
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On Sun, 2006-10-08 at 23:21 +0200, Thomas Gleixner wrote: > On Sun, 2006-10-08 at 14:15 -0700, Daniel Walker wrote: > > On Sun, 2006-10-08 at 20:45 +0200, Thomas Gleixner wrote: > > > > > > I'm not moving the kernel/timer.c clocksource user back into > > > > kernel/time/clocksource.c . That code completely belongs with the > > > > generic time of day changes. The code is directly coupled, and in fact > > > > it improves the timekeeping clock switching code to have it that way. > > > > > > I don't see any reason, why it must be added to timer.c. You can achieve > > > the same result with calling the code outside, except that the compiler > > > might miss some inline optimization. The switch clock code is not a > > > hotpath and so it does not matter whether it is called here or there. > > > > It wouldn't be as clean to integrate the two. The hotpath is improved > > (which is what I was referring too above.) > > Sorry, where is which hotpath improved ?
The hotpath in update_wall_time() kernel/timer.c which involves clock switching.
Daniel
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