On Tue, Sep 27, 2022 at 6:06 AM Nick Desaulniers <ndesaulniers@xxxxxxxxxx> wrote: > > On Sat, Sep 24, 2022 at 5:29 PM Masahiro Yamada <masahiroy@xxxxxxxxxx> wrote: > > > > On Sun, Sep 25, 2022 at 5:28 AM kernel test robot <lkp@xxxxxxxxx> 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@xxxxxxxxx> > > > > > > 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 > > See also: > https://lore.kernel.org/lkml/20220921064855.2841607-1-davidgow@xxxxxxxxxx/ Ah, thank you. My binutils version is 2.38, and that is why I was not able to reproduce the issue. With binutils 2.39, now I see the warnings in the mainline kernel. My patch is not the root cause. -- Best Regards Masahiro Yamada