[PATCH 1/3] printk: use CONFIG_CONSOLE_LOGLEVEL_* directly
Sergey Senozhatsky
sergey.senozhatsky at gmail.com
Tue Feb 2 10:09:21 UTC 2021
On (21/02/02 16:02), Masahiro Yamada wrote:
>
> CONSOLE_LOGLEVEL_DEFAULT is nothing more than a shorthand of
> CONFIG_CONSOLE_LOGLEVEL_DEFAULT.
>
> When you change CONFIG_CONSOLE_LOGLEVEL_DEFAULT from Kconfig, almost
> all objects are rebuilt because CONFIG_CONSOLE_LOGLEVEL_DEFAULT is
> used in <linux/printk.h>, which is included from most of source files.
>
> In fact, there are only 4 users of CONSOLE_LOGLEVEL_DEFAULT:
>
> arch/x86/platform/uv/uv_nmi.c
> drivers/firmware/efi/libstub/efi-stub-helper.c
> drivers/tty/sysrq.c
> kernel/printk/printk.c
>
> So, when you change CONFIG_CONSOLE_LOGLEVEL_DEFAULT and rebuild the
> kernel, it is enough to recompile those 4 files.
Do you change CONFIG_CONSOLE_LOGLEVEL_DEFAULT so often that it becomes a
problem?
-ss
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