Re: [PATCH] sched/fair: Fix fixed point arithmetic width for shares and effective load

[Peter Zijlstra]

On Tue, Aug 23, 2016 at 01:40:01PM -0700, Paul Turner wrote:
> Independent of this patch:
>   When we initially introduced load scaling, it was ~uniform on every
> value.  Most of the current pain has come from, and will continue to
> come from, that with v2 of the load-tracking this is no longer the
> case.  We have a massive number of scaled and unscaled inputs floating
> around, many of them derived values (e.g. source_load above) which
> require chasing.
> 
> I propose we simplify this.

Yes please... I had been thinking of trying to use sparse to give the
different FP scales different types, but gave up real quick on that.