linux-kernel - [jpoimboe:reserve-brk-2 1/1] ld.lld: warning: section type mismatch for .brk

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Message-ID: <202206090620.HpoizvXw-lkp@intel.com>
Date:   Thu, 9 Jun 2022 06:53:08 +0800
From:   kernel test robot <lkp@...el.com>
To:     Josh Poimboeuf <jpoimboe@...nel.org>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: [jpoimboe:reserve-brk-2 1/1] ld.lld: warning: section type mismatch
 for .brk_reservation

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/jpoimboe/linux.git reserve-brk-2
head:   a802eefebee4d2c01f479a7d3f2008fdd32ce270
commit: a802eefebee4d2c01f479a7d3f2008fdd32ce270 [1/1] x86/mm: Fix RESERVE_BRK() for older binutils
config: x86_64-randconfig-a001 (https://download.01.org/0day-ci/archive/20220609/202206090620.HpoizvXw-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project b92436efcb7813fc481b30f2593a4907568d917a)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/jpoimboe/linux.git/commit/?id=a802eefebee4d2c01f479a7d3f2008fdd32ce270
        git remote add jpoimboe https://git.kernel.org/pub/scm/linux/kernel/git/jpoimboe/linux.git
        git fetch --no-tags jpoimboe reserve-brk-2
        git checkout a802eefebee4d2c01f479a7d3f2008fdd32ce270
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=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 >>):

>> ld.lld: warning: section type mismatch for .brk_reservation
   >>> arch/x86/built-in.a(kernel/setup.o):(.brk_reservation): SHT_PROGBITS
   >>> output section .brk: SHT_NOBITS
--
>> ld.lld: warning: section type mismatch for .brk_reservation
   >>> arch/x86/built-in.a(mm/init.o):(.brk_reservation): SHT_PROGBITS
   >>> output section .brk: SHT_NOBITS
>> ld.lld: warning: section type mismatch for .brk_reservation
   >>> arch/x86/built-in.a(kernel/setup.o):(.brk_reservation): SHT_PROGBITS
   >>> output section .brk: SHT_NOBITS
--
>> ld.lld: warning: section type mismatch for .brk_reservation
   >>> arch/x86/built-in.a(mm/init.o):(.brk_reservation): SHT_PROGBITS
   >>> output section .brk: SHT_NOBITS

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp