Re: [PATCH 1/9] kconfig: tinyconfig: provide whole choice blocks to avoid warnings

From: Masahiro Yamada
Date: Thu Aug 11 2016 - 04:44:12 EST


2016-08-11 6:54 GMT+09:00 Arnd Bergmann <arnd@xxxxxxxx>:
> Using "make tinyconfig" produces a couple of annoying warnings that show up
> for build test machines all the time:
>
> .config:966:warning: override: NOHIGHMEM changes choice state
> .config:965:warning: override: SLOB changes choice state
> .config:963:warning: override: KERNEL_XZ changes choice state
> .config:962:warning: override: CC_OPTIMIZE_FOR_SIZE changes choice state
> .config:933:warning: override: SLOB changes choice state
> .config:930:warning: override: CC_OPTIMIZE_FOR_SIZE changes choice state
> .config:870:warning: override: SLOB changes choice state
> .config:868:warning: override: KERNEL_XZ changes choice state
> .config:867:warning: override: CC_OPTIMIZE_FOR_SIZE changes choice state
>
> I've made a previous attempt at fixing them and we discussed a number of
> alternatives.
>
> I tried changing the Makefile to use "merge_config.sh -n $(fragment-list)"
> but couldn't get that to work properly.
>
> This is yet another approach, based on the observation that we do want
> to see a warning for conflicting 'choice' options, and that we can simply
> make them non-conflicting by listing all other options as disabled.
> This is a trivial patch that we can apply independent of plans for other
> changes.
>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> Link: https://storage.kernelci.org/mainline/v4.7-rc6/x86-tinyconfig/build.log
> https://patchwork.kernel.org/patch/9212749/
> Reviewed-by: Josh Triplett <josh@xxxxxxxxxxxxxxxx>
> Cc: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> ---


Reviewed-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>




--
Best Regards
Masahiro Yamada