Re: [PATCH v1 3/7] resource: Introduce resource_union() for overlapping resources

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On Fri, Aug 14, 2020 at 05:23:07PM +0200, Rafael J. Wysocki wrote:
> On Thu, Aug 13, 2020 at 7:57 PM Andy Shevchenko
> <andriy.shevchenko@xxxxxxxxxxxxxxx> wrote:
> >
> > Some already present users may utilize resource_union() helper.
> > Provide it for them and for wider use in the future.
> >
> > Deliberately avoid min()/max() macro as they are still parts of
> > kernel.h which is quite a burden to be included here in order
> > to avoid circular dependencies.

...

> > +       if (!resource_overlaps(r1, r2))
> > +               return false;
> 
> I tend to add empty lines after return statements like this to make
> them more clearly visible.

Okay!

> > +       r->start = r2->start < r1->start ? r2->start : r1->start;
> > +       r->end = r2->end > r1->end ? r2->end : r1->end;
> 
> Well, what about using min() and max() here?

I devoted one paragraph in the commit message to answer this. The kernel.h
(which I'm planning to split at some point) is a monster which brings more pain
than solves here. Note, this is a header file and it's quite clean from
dependencies perspective.

-- 
With Best Regards,
Andy Shevchenko





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