Re: [BUG] 2.6.37-rc3 massive interactivity regression on ARM

Peter Zijlstra
2010-12-10T18:43:24Z

On Fri, 2010-12-10 at 19:10 +0100, Peter Zijlstra wrote:
> There are lots of places in the scheduler that rely on u64 wrap, for now
> the easiest thing for ARM would be to select HAVE_UNSTABLE_SCHED_CLOCK
> for those platforms that implement a short sched_clock().
>
> While that isn't ideal it is something that makes it work, we can work
> on something more suitable for future kernels.

Either that, or the thing you proposed a while back in this thread.

Since ARM doesn't have NMIs something like that should work just fine.