Re: [PATCH] kbuild: doc: describe proper script invocation

From: Masahiro Yamada
Date: Tue Oct 13 2020 - 14:04:44 EST


On Tue, Oct 13, 2020 at 11:31 PM Masahiro Yamada <masahiroy@xxxxxxxxxx> wrote:
>
> On Thu, Oct 1, 2020 at 4:57 PM Lukas Bulwahn <lukas.bulwahn@xxxxxxxxx> wrote:
> >
> > During an investigation to fix up the execute bits of scripts in the kernel
> > repository, Andrew Morton and Kees Cook pointed out that the execute bit
> > should not matter, and that build scripts cannot rely on that. Kees could
> > not point to any documentation, though.
> >
> > Masahiro Yamada explained the convention of setting execute bits to make it
> > easier for manual script invocation.
> >
> > Provide some basic documentation how the build shall invoke scripts, such
> > that the execute bits do not matter, and acknowledge that execute bits
> > are useful nonetheless.
> >
> > This serves as reference for further clean-up patches in the future.
> >
> > Link: https://lore.kernel.org/lkml/20200830174409.c24c3f67addcce0cea9a9d4c@xxxxxxxxxxxxxxxxxxxx/
> > Link: https://lore.kernel.org/lkml/202008271102.FEB906C88@keescook/
> > Link: https://lore.kernel.org/linux-kbuild/CAK7LNAQdrvMkDA6ApDJCGr+5db8SiPo=G+p8EiOvnnGvEN80gA@xxxxxxxxxxxxxx/
> >
> > Suggested-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> > Suggested-by: Kees Cook <keescook@xxxxxxxxxxxx>
> > Signed-off-by: Lukas Bulwahn <lukas.bulwahn@xxxxxxxxx>
>
>
> Applied to linux-kbuild.
> Thanks.
>

No, not really.

I will re-think if this is the right thing to do.




--
Best Regards
Masahiro Yamada