linux-kernel - Re: [PATCH v1 1/1] rbtree: Replace kernel.h with the necessary inclusions

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Message-ID: <CAHp75VexnrOZua3j-v2y4mfcC0+LptRZ6jJX0vEX+OKqnLsZUw@mail.gmail.com>
Date:   Fri, 3 Jun 2022 21:26:04 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v1 1/1] rbtree: Replace kernel.h with the necessary inclusions

On Fri, Jun 3, 2022 at 9:16 PM Andrew Morton <akpm@...ux-foundation.org> wrote:
> On Fri,  3 Jun 2022 20:10:12 +0300 Andy Shevchenko <andriy.shevchenko@...ux.intel.com> 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.
>
> There are surely thousands of files we could do this with.

Yes, but the idea is to touch only (global / generic) headers to clean
up them from kernel.h.

>  Is this the
> start of a lifelong project,

Continuation of something which annoys me for a long time. We have not
so many, btw, files that are generic and include kernel.h in the
include/*.

> or is there something special about
> rbtree.h?

Nothing except that header being included in many other modules.

I believe this work goes in conjunction with Ingo's huge clean up
series. Not sure where it's now.

-- 
With Best Regards,
Andy Shevchenko