Re: [PATCH] dynamic_debug: Add an option to enable dynamic debug for modules only

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On Fri, Apr 10, 2020 at 08:33:04PM +0800, Orson Zhai wrote:
> From: Orson Zhai <orson.zhai@xxxxxxxxxx>
> 
> Instead of enabling dynamic debug globally with CONFIG_DYNAMIC_DEBUG,
> CONFIG_DYNAMIC_DEBUG_CORE will only enable core function of dynamic
> debug. With the DEBUG_MODULE defined for any modules, dynamic debug
> will be tied to them.
> 
> This is useful for people who only want to enable dynamic debug for
> kernel modules without worrying about kernel image size and memory
> consumption is increasing too much.
> 
> Signed-off-by: Orson Zhai <orson.zhai@xxxxxxxxxx>
> ---
>  Documentation/admin-guide/dynamic-debug-howto.rst |  7 +++++--
>  include/linux/dev_printk.h                        |  6 ++++--
>  include/linux/dynamic_debug.h                     |  2 +-
>  include/linux/printk.h                            | 14 +++++++++-----
>  lib/Kconfig.debug                                 | 12 ++++++++++++
>  lib/Makefile                                      |  2 +-
>  lib/dynamic_debug.c                               |  9 +++++++--
>  7 files changed, 39 insertions(+), 13 deletions(-)

Crazy idea, I like it :)

Acked-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>



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