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Date:   Wed, 15 Nov 2023 23:23:27 +0800
From:   kernel test robot <lkp@intel.com>
To:     Yicong Yang <yangyicong@huawei.com>, catalin.marinas@arm.com,
        will@kernel.org, sudeep.holla@arm.com,
        linux-arm-kernel@lists.infradead.org
Cc:     llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
        dietmar.eggemann@arm.com, gregkh@linuxfoundation.org,
        rafael@kernel.org, jonathan.cameron@huawei.com,
        prime.zeng@hisilicon.com, linuxarm@huawei.com,
        yangyicong@hisilicon.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 1/4] arch_topology: Support basic SMT control for the
 driver
Message-ID: <202311152356.OWWDpFRB-lkp@intel.com>
References: <20231114040110.54590-2-yangyicong@huawei.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
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In-Reply-To: <20231114040110.54590-2-yangyicong@huawei.com>
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Hi Yicong,

kernel test robot noticed the following build warnings:

[auto build test WARNING on arm64/for-next/core]
[also build test WARNING on driver-core/driver-core-testing driver-core/driver-core-next driver-core/driver-core-linus arm/for-next kvmarm/next soc/for-next linus/master arm/fixes v6.7-rc1 next-20231115]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Yicong-Yang/arch_topology-Support-basic-SMT-control-for-the-driver/20231114-120544
base:   https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core
patch link:    https://lore.kernel.org/r/20231114040110.54590-2-yangyicong%40huawei.com
patch subject: [PATCH v3 1/4] arch_topology: Support basic SMT control for the driver
config: arm-socfpga_defconfig (https://download.01.org/0day-ci/archive/20231115/202311152356.OWWDpFRB-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231115/202311152356.OWWDpFRB-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202311152356.OWWDpFRB-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/base/arch_topology.c:32:12: warning: unused variable 'topology_smt_num_threads' [-Wunused-variable]
      32 | static int topology_smt_num_threads = 1;
         |            ^
   1 warning generated.


vim +/topology_smt_num_threads +32 drivers/base/arch_topology.c

    30	
    31	/* Maximum threads number per-Core */
  > 32	static int topology_smt_num_threads = 1;
    33	

-- 
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https://github.com/intel/lkp-tests/wiki