Re: [PATCH v2 16/21] kcov: imply GCC_PLUGINS and GCC_PLUGIN_SANCOV instead of select'ing them

[Kees Cook]

On Mon, Mar 26, 2018 at 10:29 PM, Masahiro Yamada
<yamada.masahiro@xxxxxxxxxxxxx> wrote:
> As Documentation/kbuild/kconfig-language.txt notes, 'select' should be
> used with care - it forces a lower limit of another symbol, ignoring
> the dependency.  In this case, KCOV can select GCC_PLUGINS even if
> 'depends on HAVE_GCC_PLUGINS' is unmet.
>
> 'imply' is modest enough to observe the dependency, and this makes
> sense.  If you enable KCOV, you will probably want to enable
> GCC_PLUGIN_SANCOV, but it should not break the dependency.
>
> I also remove unneeded code, I just happened to notice.
>
> Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>

Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx>

-Kees

-- 
Kees Cook
Pixel Security