linux-kernel - [mingo-tip:sched/headers 2085/2541] arch/s390/include/asm/smp.h:20:30: error: expected ';' after top level declarator

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Message-ID: <202202221326.M5B48PIB-lkp@intel.com>
Date:   Tue, 22 Feb 2022 13:29:28 +0800
From:   kernel test robot <lkp@...el.com>
To:     Ingo Molnar <mingo@...nel.org>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: [mingo-tip:sched/headers 2085/2541]
 arch/s390/include/asm/smp.h:20:30: error: expected ';' after top level
 declarator

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git sched/headers
head:   601144c0da5edfa67a9654158370da19c67e17e2
commit: 2ac1be4afbf13b2f3907d2ec134195629a04b13c [2085/2541] headers/deps: locking/lockdep: Split <linux/lockep.h> into <linux/lockep_types.h> and <linux/lockep_api.h>
config: s390-randconfig-r044-20220221 (https://download.01.org/0day-ci/archive/20220222/202202221326.M5B48PIB-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d271fc04d5b97b12e6b797c6067d3c96a8d7470e)
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 s390 cross compiling tool for clang build
        # apt-get install binutils-s390x-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git/commit/?id=2ac1be4afbf13b2f3907d2ec134195629a04b13c
        git remote add mingo-tip git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git
        git fetch --no-tags mingo-tip sched/headers
        git checkout 2ac1be4afbf13b2f3907d2ec134195629a04b13c
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=s390 prepare

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

All errors (new ones prefixed by >>):

   In file included from arch/s390/kernel/asm-offsets.c:11:
   In file included from include/linux/kvm_host.h:7:
   In file included from include/linux/hashtable_api.h:16:
   In file included from include/linux/rculist.h:11:
   In file included from include/linux/rcupdate.h:23:
   In file included from include/linux/lockdep_api.h:27:
   In file included from include/linux/smp_api.h:15:
>> arch/s390/include/asm/smp.h:20:30: error: expected ';' after top level declarator
   extern __vector128 __initdata boot_cpu_vector_save_area[__NUM_VXRS];
                                ^
                                ;
   In file included from arch/s390/kernel/asm-offsets.c:11:
   In file included from include/linux/kvm_host.h:7:
   In file included from include/linux/hashtable_api.h:16:
   In file included from include/linux/rculist.h:11:
   In file included from include/linux/rcupdate.h:35:
   include/linux/sched/per_task.h:48:11: fatal error: 'generated/asm-offsets.h' file not found
   # include <generated/asm-offsets.h>
             ^~~~~~~~~~~~~~~~~~~~~~~~~
   2 errors generated.
   make[2]: *** [scripts/Makefile.build:121: arch/s390/kernel/asm-offsets.s] Error 1
   make[2]: Target '__build' not remade because of errors.
   make[1]: *** [Makefile:1191: prepare0] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:219: __sub-make] Error 2
   make: Target 'prepare' not remade because of errors.


vim +20 arch/s390/include/asm/smp.h

^1da177e4c3f41 include/asm-s390/smp.h      Linus Torvalds     2005-04-16  16  
dbd70fb499952d include/asm-s390/smp.h      Heiko Carstens     2008-04-17  17  extern struct mutex smp_cpu_state_mutex;
10ad34bc76dfbc arch/s390/include/asm/smp.h Martin Schwidefsky 2015-01-14  18  extern unsigned int smp_cpu_mt_shift;
10ad34bc76dfbc arch/s390/include/asm/smp.h Martin Schwidefsky 2015-01-14  19  extern unsigned int smp_cpu_mtid;
1a36a39e225d35 arch/s390/include/asm/smp.h Martin Schwidefsky 2015-10-29 @20  extern __vector128 __initdata boot_cpu_vector_save_area[__NUM_VXRS];
a052096bdd6809 arch/s390/include/asm/smp.h Sven Schnelle      2021-08-27  21  extern cpumask_t cpu_setup_mask;
8b646bd759086f arch/s390/include/asm/smp.h Martin Schwidefsky 2012-03-11  22  

:::::: The code at line 20 was first introduced by commit
:::::: 1a36a39e225d3558fb3776a3d3d7736cf1ec9f60 s390/dump: rework CPU register dump code

:::::: TO: Martin Schwidefsky <schwidefsky@...ibm.com>
:::::: CC: Martin Schwidefsky <schwidefsky@...ibm.com>

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