linux-kernel - Re: [PATCH v2 01/11] smp: consolidate the structure definitions to smp.h

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Message-ID: <202204231212.Os1QwhiN-lkp@intel.com>
Date:   Sat, 23 Apr 2022 12:57:00 +0800
From:   kernel test robot <lkp@...el.com>
To:     Donghai Qiao <dqiao@...hat.com>, akpm@...ux-foundation.org,
        sfr@...b.auug.org.au, arnd@...db.de, heying24@...wei.com,
        andriy.shevchenko@...ux.intel.com, axboe@...nel.dk,
        rdunlap@...radead.org, tglx@...utronix.de, gor@...ux.ibm.com
Cc:     kbuild-all@...ts.01.org, donghai.w.qiao@...il.com,
        linux-kernel@...r.kernel.org, Donghai Qiao <dqiao@...hat.com>
Subject: Re: [PATCH v2 01/11] smp: consolidate the structure definitions to
 smp.h

Hi Donghai,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on powerpc/next]
[also build test ERROR on rafael-pm/linux-next linus/master v5.18-rc3 next-20220422]
[cannot apply to tip/x86/core]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/intel-lab-lkp/linux/commits/Donghai-Qiao/smp-cross-CPU-call-interface/20220423-060436
base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: sparc-randconfig-r026-20220422 (https://download.01.org/0day-ci/archive/20220423/202204231212.Os1QwhiN-lkp@intel.com/config)
compiler: sparc64-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://github.com/intel-lab-lkp/linux/commit/1c14bdafe09740690b249824f3526527e4c02d2a
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Donghai-Qiao/smp-cross-CPU-call-interface/20220423-060436
        git checkout 1c14bdafe09740690b249824f3526527e4c02d2a
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross W=1 O=build_dir ARCH=sparc SHELL=/bin/bash lib/

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/lockdep.h:14,
                    from include/linux/spinlock.h:62,
                    from include/linux/kref.h:16,
                    from include/linux/mm_types.h:8,
                    from include/linux/buildid.h:5,
                    from include/linux/module.h:14,
                    from lib/test_bitops.c:9:
>> include/linux/smp.h:131:14: error: 'seq_type' defined but not used [-Werror=unused-variable]
     131 | static char *seq_type[] = {
         |              ^~~~~~~~
   cc1: all warnings being treated as errors


vim +/seq_type +131 include/linux/smp.h

   130	
 > 131	static char *seq_type[] = {
   132		[CFD_SEQ_QUEUE]		= "queue",
   133		[CFD_SEQ_IPI]		= "ipi",
   134		[CFD_SEQ_NOIPI]		= "noipi",
   135		[CFD_SEQ_PING]		= "ping",
   136		[CFD_SEQ_PINGED]	= "pinged",
   137		[CFD_SEQ_HANDLE]	= "handle",
   138		[CFD_SEQ_DEQUEUE]	= "dequeue (src CPU 0 == empty)",
   139		[CFD_SEQ_IDLE]		= "idle",
   140		[CFD_SEQ_GOTIPI]	= "gotipi",
   141		[CFD_SEQ_HDLEND]	= "hdlend (src CPU 0 == early)",
   142	};
   143	

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