Re: [PATCH v1 3/3] kernel.h: Split out container_of() and typeof_memeber() macros

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On Tue, Jul 13, 2021 at 3:21 PM Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> wrote:
> On Tue, Jul 13, 2021 at 01:23:01PM +0200, Greg Kroah-Hartman wrote:
> >
> > Life is messy and can not easily be partitioned into tiny pieces.  That
> > way usually ends up being even messier in the end...
>
> One advantage is less chance of header loops which very often
> involve kernel.h and one of the most common reasons for other
> header files to include kernel.h is to access container_of.

Thanks, yes, that's also one important point.

> However, I don't see much point in touching *.c files that include
> kernel.h.

The whole idea came when discussing drivers, esp. IIO ones. They often
are using ARRAY_SIZE() + container_of(). kernel.h is a big overkill
there.

-- 
With Best Regards,
Andy Shevchenko



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