Re: [PATCH v4 6/7] plist: Replace kernel.h with the necessary inclusions

From: Joe Perches
Date: Thu Oct 07 2021 - 13:47:08 EST


On Thu, 2021-10-07 at 20:32 +0300, Andy Shevchenko wrote:
> On Thu, Oct 07, 2021 at 10:26:05AM -0700, Joe Perches wrote:
> > On Thu, 2021-10-07 at 20:19 +0300, Andy Shevchenko wrote:
> > > On Thu, Oct 07, 2021 at 10:12:56AM -0700, Joe Perches wrote:
> > > > On Thu, 2021-10-07 at 18:44 +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.
> > > > []
> > > > > diff --git a/include/linux/plist.h b/include/linux/plist.h
> > > > []
> > > > > @@ -73,8 +73,11 @@
> > > > []
> > > > > +#include <asm/bug.h>
> > > >
> > > > why asm/bug.h and not linux/bug.h ?
> > >
> > > The direct inclusion is from that one. Why linux/bug?
> >
> > A general guideline is to avoid asm includes.
>
> It's fine when it has any useful background. Doing cargo cult is not always
> a good idea. I plead for common sense.

Common sense isn't particularly common.
Someone is going to run checkpatch on it and submit a patch one day.
Maybe add a comment for the less common.

cheers, Joe