linux-kernel - Re: [PATCH v3 2/7] kbuild: list sub-directories in ./Kbuild

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Date:   Sun, 25 Sep 2022 09:28:13 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     kernel test robot <lkp@...el.com>
Cc:     Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        kbuild-all@...ts.01.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-arch <linux-arch@...r.kernel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Nathan Chancellor <nathan@...nel.org>
Subject: Re: [PATCH v3 2/7] kbuild: list sub-directories in ./Kbuild

On Sun, Sep 25, 2022 at 5:28 AM kernel test robot <lkp@...el.com> wrote:
>
> Hi Masahiro,
>
> I love your patch! Perhaps something to improve:
>
> [auto build test WARNING on masahiroy-kbuild/for-next]
> [cannot apply to arm64/for-next/core gerg-m68knommu/for-next geert-m68k/for-next deller-parisc/for-next powerpc/next s390/features tip/x86/core linus/master v6.0-rc6 next-20220923]
> [If your patch is applied to the wrong git tree, kindly drop us a note.
> And when submitting patch, we suggest to use '--base' as documented in
> https://git-scm.com/docs/git-format-patch#_base_tree_information]
>
> url:    https://github.com/intel-lab-lkp/linux/commits/Masahiro-Yamada/kbuild-various-cleanups/20220925-022150
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git for-next
> config: um-x86_64_defconfig
> compiler: gcc-11 (Debian 11.3.0-5) 11.3.0
> reproduce (this is a W=1 build):
>         # https://github.com/intel-lab-lkp/linux/commit/d721cc5614aaa17b2965db04e9319d4ef5f7eaf7
>         git remote add linux-review https://github.com/intel-lab-lkp/linux
>         git fetch --no-tags linux-review Masahiro-Yamada/kbuild-various-cleanups/20220925-022150
>         git checkout d721cc5614aaa17b2965db04e9319d4ef5f7eaf7
>         # save the config file
>         mkdir build_dir && cp config build_dir/.config
>         make W=1 O=build_dir ARCH=um SUBARCH=x86_64 SHELL=/bin/bash
>
> If you fix the issue, kindly add following tag where applicable
> | Reported-by: kernel test robot <lkp@...el.com>
>
> All warnings (new ones prefixed by >>):
>
> >> /usr/bin/ld: warning: ./arch/x86/um/vdso/vdso.o: missing .note.GNU-stack section implies executable stack
>    /usr/bin/ld: NOTE: This behaviour is deprecated and will be removed in a future version of the linker
>    /usr/bin/ld: warning: .tmp_vmlinux.kallsyms1 has a LOAD segment with RWX permissions
>    /usr/bin/ld: warning: .tmp_vmlinux.kallsyms1.o: missing .note.GNU-stack section implies executable stack
>    /usr/bin/ld: NOTE: This behaviour is deprecated and will be removed in a future version of the linker
>    /usr/bin/ld: warning: .tmp_vmlinux.kallsyms2 has a LOAD segment with RWX permissions
>    /usr/bin/ld: warning: .tmp_vmlinux.kallsyms2.o: missing .note.GNU-stack section implies executable stack
>    /usr/bin/ld: NOTE: This behaviour is deprecated and will be removed in a future version of the linker
>    /usr/bin/ld: warning: vmlinux has a LOAD segment with RWX permissions
>
> --
> 0-DAY CI Kernel Test Service
> https://01.org/lkp








My compiler is slightly different
(gcc (Ubuntu 11.2.0-19ubuntu1) 11.2.0), but
I cannot reproduce it.



Perhaps, 0day thought this is a new warning
due to a slightly different path?


[before]
warning: arch/x86/um/vdso/vdso.o

[after]
warning: ./arch/x86/um/vdso/vdso.o




-- 
Best Regards
Masahiro Yamada