linux-kernel - Re: linux-next: build warning after merge of the pm tree

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Message-ID: <CAHp75Ve2TyPx4H=7E92tKZ=GV46Y0Vzi-NwGMLrGtiXv-Nv7gg@mail.gmail.com>
Date:   Mon, 15 Feb 2021 12:23:48 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Hans de Goede <hdegoede@...hat.com>,
        Mark Gross <mark.gross@...el.com>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        Intel Graphics <intel-gfx@...ts.freedesktop.org>,
        DRI <dri-devel@...ts.freedesktop.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build warning after merge of the pm tree

On Mon, Feb 15, 2021 at 2:45 AM Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> Hi all,
>
> After merging the pm tree, today's linux-next build (x86_64 allmodconfig)
> produced this warning:
>
> In file included from drivers/gpu/drm/gma500/mdfld_output.c:28:
> arch/x86/include/asm/intel_scu_ipc.h:23:12: warning: 'struct module' declared inside parameter list will not be visible outside of this definition or declaration
>    23 |     struct module *owner);
>       |            ^~~~~~
> arch/x86/include/asm/intel_scu_ipc.h:33:17: warning: 'struct module' declared inside parameter list will not be visible outside of this definition or declaration
>    33 |          struct module *owner);
>       |                 ^~~~~~
>
> Introduced by commit
>
>   bfc838f8598e ("drm/gma500: Convert to use new SCU IPC API")
>
> OK, these will go away when the drm-misc tree removes this file in commit
>
>   e1da811218d2 ("drm/gma500: Remove Medfield support")
>
> So, if you don't want to see these warnings in Linus' build testing,
> you need to make sure that the drm-misc tree is merged before the pm
> tree (or the drivers-x86 tree).  Or you need to include module.h in
> mdfld_output.c before intel_scu_ipc.h (or in intel_scu_ipc.h itself).

Thanks for the report.
I guess the DRM tree should carry this burden, or they can merge the
immutable tag themselves.

-- 
With Best Regards,
Andy Shevchenko