linux-kernel - [mingo-tip:sched/headers 2012/2356] arch/s390/include/asm/smp.h:19:31: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'boot_cpu_vector_save

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Message-ID: <202204190648.4rGFxl5m-lkp@intel.com>
Date:   Tue, 19 Apr 2022 06:17:57 +0800
From:   kernel test robot <lkp@...el.com>
To:     Ingo Molnar <mingo@...nel.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [mingo-tip:sched/headers 2012/2356]
 arch/s390/include/asm/smp.h:19:31: error: expected '=', ',', ';', 'asm' or
 '__attribute__' before 'boot_cpu_vector_save_area'

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git sched/headers
head:   af93551cf39027d176f30b9beafc60a4c130998a
commit: 73e8295a34e49141903dc467f10daf2d31e2a411 [2012/2356] headers/deps: locking/lockdep: Split <linux/lockep.h> into <linux/lockep_types.h> and <linux/lockep_api.h>
config: s390-allyesconfig (https://download.01.org/0day-ci/archive/20220419/202204190648.4rGFxl5m-lkp@intel.com/config)
compiler: s390-linux-gcc (GCC) 11.2.0
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/mingo/tip.git/commit/?id=73e8295a34e49141903dc467f10daf2d31e2a411
        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 73e8295a34e49141903dc467f10daf2d31e2a411
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross 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 include/linux/smp_api.h:15,
                    from include/linux/lockdep_api.h:27,
                    from include/linux/rcupdate.h:23,
                    from include/linux/rculist.h:11,
                    from include/linux/hashtable_api.h:16,
                    from include/linux/kvm_host.h:7,
                    from arch/s390/kernel/asm-offsets.c:11:
>> arch/s390/include/asm/smp.h:19:31: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'boot_cpu_vector_save_area'
      19 | extern __vector128 __initdata boot_cpu_vector_save_area[__NUM_VXRS];
         |                               ^~~~~~~~~~~~~~~~~~~~~~~~~
   In file included from include/linux/rcupdate.h:35,
                    from include/linux/rculist.h:11,
                    from include/linux/hashtable_api.h:16,
                    from include/linux/kvm_host.h:7,
                    from arch/s390/kernel/asm-offsets.c:11:
   include/linux/sched/per_task.h:48:11: fatal error: generated/asm-offsets.h: No such file or directory
      48 | # include <generated/asm-offsets.h>
         |           ^~~~~~~~~~~~~~~~~~~~~~~~~
   compilation terminated.
   make[2]: *** [scripts/Makefile.build:120: arch/s390/kernel/asm-offsets.s] Error 1
   make[2]: Target '__build' not remade because of errors.
   make[1]: *** [Makefile:1194: 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 +19 arch/s390/include/asm/smp.h

^1da177e4c3f41 include/asm-s390/smp.h      Linus Torvalds     2005-04-16  15  
dbd70fb499952d include/asm-s390/smp.h      Heiko Carstens     2008-04-17  16  extern struct mutex smp_cpu_state_mutex;
10ad34bc76dfbc arch/s390/include/asm/smp.h Martin Schwidefsky 2015-01-14  17  extern unsigned int smp_cpu_mt_shift;
10ad34bc76dfbc arch/s390/include/asm/smp.h Martin Schwidefsky 2015-01-14  18  extern unsigned int smp_cpu_mtid;
1a36a39e225d35 arch/s390/include/asm/smp.h Martin Schwidefsky 2015-10-29 @19  extern __vector128 __initdata boot_cpu_vector_save_area[__NUM_VXRS];
a052096bdd6809 arch/s390/include/asm/smp.h Sven Schnelle      2021-08-27  20  extern cpumask_t cpu_setup_mask;
8b646bd759086f arch/s390/include/asm/smp.h Martin Schwidefsky 2012-03-11  21  

:::::: The code at line 19 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>

-- 
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https://01.org/lkp