arch/mips/include/asm/mips-boards/launch.h:8:8: error: redefinition of 'cpulaunch'

From: kernel test robot
Date: Thu May 20 2021 - 19:19:28 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: f01da525b3de8e59b2656b55d40c60462098651f
commit: 6decd1aad15f56b169217789630a0098b496de0e MIPS: add support for buggy MT7621S core detection
date: 5 weeks ago
config: mips-randconfig-r016-20210521 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project bf9ef3efaa99c02e7bfc4c57207301b8de39a278)
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
# install mips cross compiling tool for clang build
# apt-get install binutils-mips-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6decd1aad15f56b169217789630a0098b496de0e
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 6decd1aad15f56b169217789630a0098b496de0e
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=mips

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

In file included from arch/mips/mti-malta/malta-amon.c:16:
>> arch/mips/include/asm/mips-boards/launch.h:8:8: error: redefinition of 'cpulaunch'
struct cpulaunch {
^
arch/mips/include/asm/mips-cps.h:13:10: note: 'arch/mips/include/asm/mips-boards/launch.h' included multiple times, additional include site here
#include <asm/mips-boards/launch.h>
^
arch/mips/mti-malta/malta-amon.c:16:10: note: 'arch/mips/include/asm/mips-boards/launch.h' included multiple times, additional include site here
#include <asm/mips-boards/launch.h>
^
arch/mips/include/asm/mips-boards/launch.h:8:8: note: unguarded header; consider using #ifdef guards or #pragma once
struct cpulaunch {
^
arch/mips/mti-malta/malta-amon.c:19:5: warning: no previous prototype for function 'amon_cpu_avail' [-Wmissing-prototypes]
int amon_cpu_avail(int cpu)
^
arch/mips/mti-malta/malta-amon.c:19:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
int amon_cpu_avail(int cpu)
^
static
arch/mips/mti-malta/malta-amon.c:41:5: warning: no previous prototype for function 'amon_cpu_start' [-Wmissing-prototypes]
int amon_cpu_start(int cpu,
^
arch/mips/mti-malta/malta-amon.c:41:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
int amon_cpu_start(int cpu,
^
static
2 warnings and 1 error generated.


vim +/cpulaunch +8 arch/mips/include/asm/mips-boards/launch.h

39b8d5254246ac5 include/asm-mips/mips-boards/launch.h Ralf Baechle 2008-04-28 7
39b8d5254246ac5 include/asm-mips/mips-boards/launch.h Ralf Baechle 2008-04-28 @8 struct cpulaunch {
39b8d5254246ac5 include/asm-mips/mips-boards/launch.h Ralf Baechle 2008-04-28 9 unsigned long pc;
39b8d5254246ac5 include/asm-mips/mips-boards/launch.h Ralf Baechle 2008-04-28 10 unsigned long gp;
39b8d5254246ac5 include/asm-mips/mips-boards/launch.h Ralf Baechle 2008-04-28 11 unsigned long sp;
39b8d5254246ac5 include/asm-mips/mips-boards/launch.h Ralf Baechle 2008-04-28 12 unsigned long a0;
39b8d5254246ac5 include/asm-mips/mips-boards/launch.h Ralf Baechle 2008-04-28 13 unsigned long _pad[3]; /* pad to cache line size to avoid thrashing */
39b8d5254246ac5 include/asm-mips/mips-boards/launch.h Ralf Baechle 2008-04-28 14 unsigned long flags;
39b8d5254246ac5 include/asm-mips/mips-boards/launch.h Ralf Baechle 2008-04-28 15 };
39b8d5254246ac5 include/asm-mips/mips-boards/launch.h Ralf Baechle 2008-04-28 16

:::::: The code at line 8 was first introduced by commit
:::::: 39b8d5254246ac56342b72f812255c8f7a74dca9 [MIPS] Add support for MIPS CMP platform.

:::::: TO: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
:::::: CC: Ralf Baechle <ralf@xxxxxxxxxxxxxx>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

Attachment: .config.gz
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