Re: [PATCH] mm/memblock: discard .text/.data if CONFIG_ARCH_KEEP_MEMBLOCK not set

From: Yujie Liu
Date: Tue May 07 2024 - 23:07:18 EST


On Tue, May 07, 2024 at 08:43:50AM +0000, Wei Yang wrote:
> On Tue, May 07, 2024 at 01:13:05PM +0800, kernel test robot wrote:
> >Hi Wei,
> >
> >kernel test robot noticed the following build warnings:
> >
> >[auto build test WARNING on akpm-mm/mm-everything]
> >
> >url: https://github.com/intel-lab-lkp/linux/commits/Wei-Yang/mm-memblock-discard-text-data-if-CONFIG_ARCH_KEEP_MEMBLOCK-not-set/20240506-092345
> >base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
> >patch link: https://lore.kernel.org/r/20240506012104.10864-1-richard.weiyang%40gmail.com
> >patch subject: [PATCH] mm/memblock: discard .text/.data if CONFIG_ARCH_KEEP_MEMBLOCK not set
> >config: powerpc-allnoconfig
> >compiler: powerpc-linux-gcc (GCC) 13.2.0
> >reproduce (this is a W=1 build):
> >
> >If you fix the issue in a separate patch/commit (i.e. not just a new version of
> >the same patch/commit), kindly add following tags
> >| Reported-by: kernel test robot <lkp@xxxxxxxxx>
> >| Closes: https://lore.kernel.org/oe-kbuild-all/202405071200.YgYuuCBu-lkp@xxxxxxxxx/
> >
> >All warnings (new ones prefixed by >>):
> >
> >>> powerpc-linux-ld: warning: orphan section `.mbinit.text' from `mm/memblock.o' being placed in section `.mbinit.text'
> >>> powerpc-linux-ld: warning: orphan section `.mbinit.text' from `mm/memblock.o' being placed in section `.mbinit.text'
> >>> powerpc-linux-ld: warning: orphan section `.mbinit.text' from `mm/memblock.o' being placed in section `.mbinit.text'
> >
> >--
> >0-DAY CI Kernel Test Service
> >https://github.com/intel/lkp-tests/wiki
>
> >reproduce (this is a W=1 build):
> > git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
> > git remote add akpm-mm https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git
> > git fetch akpm-mm mm-everything
> > git checkout akpm-mm/mm-everything
> > b4 shazam https://lore.kernel.org/r/20240506012104.10864-1-richard.weiyang@xxxxxxxxx
> > # save the config file
> > mkdir build_dir && cp config build_dir/.config
> > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-13.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=powerpc olddefconfig
> > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-13.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash
>
> Can I reproduce this on x86? I don't have a powerpc machine.

The above steps are cross compiling for powerpc target on x86
machine, so you can just follow the steps to reproduce on x86.

Thanks,
Yujie