Re: [PATCH v4 4/7] list.h: Replace kernel.h with the necessary inclusions

From: Laurent Pinchart
Date: Thu Oct 07 2021 - 13:29:40 EST


On Thu, Oct 07, 2021 at 05:16:35PM +0100, Jonathan Cameron wrote:
> On Thu, 7 Oct 2021 18:44:04 +0300 Andy Shevchenko wrote:
>
> > When kernel.h is used in the headers it adds a lot into dependency hell,
> > especially when there are circular dependencies are involved.
> >
> > Replace kernel.h inclusion with the list of what is really being used.
> >
> > Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> > ---
> > include/linux/list.h | 6 ++++--
> > 1 file changed, 4 insertions(+), 2 deletions(-)
> >
> > diff --git a/include/linux/list.h b/include/linux/list.h
> > index f2af4b4aa4e9..5dc679b373da 100644
> > --- a/include/linux/list.h
> > +++ b/include/linux/list.h
> > @@ -2,11 +2,13 @@
> > #ifndef _LINUX_LIST_H
> > #define _LINUX_LIST_H
> >
> > +#include <linux/container_of.h>
> > +#include <linux/const.h>
> > #include <linux/types.h>
> > #include <linux/stddef.h>
> > #include <linux/poison.h>
>
> Is there a reason you didn't quite sort this into alphabetical order?

On a side note, if someone with perle knowledge could add a checkpatch
warning for this, I think it would be very nice. I'm a bit tired of
asking for alphabetical order in reviews :-)

> > -#include <linux/const.h>
> > -#include <linux/kernel.h>
> > +
> > +#include <asm/barrier.h>
> >
> > /*
> > * Circular doubly linked list implementation.

--
Regards,

Laurent Pinchart