Re: [PATCH 1/2] init.h: Remove __dev* sections from the kernel

From: Sam Ravnborg
Date: Fri Nov 30 2012 - 13:11:49 EST


On Thu, Nov 29, 2012 at 10:43:28AM -0800, Greg Kroah-Hartman wrote:
> From: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
>
> With the recent work to remove CONFIG_HOTPLUG, we are starting to get a
> bunch of __devinit section warnings, despite CONFIG_HOTPLUG always being
> enabled. So, stop marking the sections entirely, by defining them away
> the section markings in init.h
>
> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Acked-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
>
> ---
> include/linux/init.h | 18 +++++++-----------
> 1 file changed, 7 insertions(+), 11 deletions(-)
>
> diff --git a/include/linux/init.h b/include/linux/init.h
> index e59041e..f63692d 100644
> --- a/include/linux/init.h
> +++ b/include/linux/init.h
> @@ -93,13 +93,13 @@
>
> #define __exit __section(.exit.text) __exitused __cold notrace
>
> -/* Used for HOTPLUG */
> -#define __devinit __section(.devinit.text) __cold notrace
> -#define __devinitdata __section(.devinit.data)
> -#define __devinitconst __constsection(.devinit.rodata)
> -#define __devexit __section(.devexit.text) __exitused __cold notrace
> -#define __devexitdata __section(.devexit.data)
> -#define __devexitconst __constsection(.devexit.rodata)
> +/* Used for HOTPLUG, but that is always enabled now, so just make them noops */

This comment should be explicit that these are provided only for backward compatibility
and their usage is discouarged.

Sam
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