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Date:   Wed, 27 Apr 2022 02:15:30 +0800
From:   kernel test robot <lkp@intel.com>
To:     Qing Wang <wangqing@vivo.com>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Will Deacon <will@kernel.org>,
        Sudeep Holla <sudeep.holla@arm.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        "Rafael J. Wysocki" <rafael@kernel.org>,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
Cc:     llvm@lists.linux.dev, kbuild-all@lists.01.org,
        vincent.guittot@linaro.org, dietmar.eggemann@arm.com,
        Wang Qing <wangqing@vivo.com>
Subject: Re: [PATCH V2 2/2] arm64: Add complex scheduler level for arm64
Message-ID: <202204270201.FkymxKhn-lkp@intel.com>
References: <1650628289-67716-3-git-send-email-wangqing@vivo.com>
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In-Reply-To: <1650628289-67716-3-git-send-email-wangqing@vivo.com>
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Hi Qing,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on arm64/for-next/core]
[also build test ERROR on driver-core/driver-core-testing linus/master arm-perf/for-next/perf v5.18-rc4 next-20220422]
[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/Qing-Wang/Add-complex-scheduler-level-for-arm64/20220422-201107
base:   https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core
config: arm64-allyesconfig (https://download.01.org/0day-ci/archive/20220427/202204270201.FkymxKhn-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 1cddcfdc3c683b393df1a5c9063252eb60e52818)
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 arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://github.com/intel-lab-lkp/linux/commit/3b18155ccd99fb790e719fa432366dfdb97ab57c
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Qing-Wang/Add-complex-scheduler-level-for-arm64/20220422-201107
        git checkout 3b18155ccd99fb790e719fa432366dfdb97ab57c
        # 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=arm64 SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

>> arch/arm64/kernel/smp.c:752:4: error: use of undeclared identifier 'arm64_complex_mask'
           { arm64_complex_mask, arm64_complex_flags, SD_INIT_NAME(CPL) },
             ^
>> arch/arm64/kernel/smp.c:752:24: error: use of undeclared identifier 'arm64_complex_flags'
           { arm64_complex_mask, arm64_complex_flags, SD_INIT_NAME(CPL) },
                                 ^
   2 errors generated.


vim +/arm64_complex_mask +752 arch/arm64/kernel/smp.c

   746	
   747	static struct sched_domain_topology_level arm64_topology[] = {
   748	#ifdef CONFIG_SCHED_SMT
   749		{ cpu_smt_mask, cpu_smt_flags, SD_INIT_NAME(SMT) },
   750	#endif
   751	#ifdef CONFIG_SCHED_COMPLEX
 > 752		{ arm64_complex_mask, arm64_complex_flags, SD_INIT_NAME(CPL) },
   753	#endif
   754	#ifdef CONFIG_SCHED_CLUSTER
   755		{ cpu_clustergroup_mask, cpu_cluster_flags, SD_INIT_NAME(CLS) },
   756	#endif
   757	#ifdef CONFIG_SCHED_MC
   758		{ cpu_coregroup_mask, cpu_core_flags, SD_INIT_NAME(MC) },
   759	#endif
   760		{ cpu_cpu_mask, SD_INIT_NAME(DIE) },
   761		{ NULL, },
   762	};
   763	

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https://01.org/lkp