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From: Will Deacon <will@kernel.org>
To: kernel test robot <lkp@intel.com>
Cc: Jean-Philippe Brucker <jean-philippe@linaro.org>,
	llvm@lists.linux.dev, kbuild-all@lists.01.org,
	Linux Memory Management List <linux-mm@kvack.org>,
	Jay Chen <jkchen@linux.alibaba.com>,
	Robin Murphy <robin.murphy@arm.com>
Subject: Re: [linux-next:master 6432/9897] drivers/perf/arm_smmuv3_pmu.c:889:34: warning: unused variable 'smmu_pmu_of_match'
Date: Tue, 4 Jan 2022 13:37:58 +0000	[thread overview]
Message-ID: <20220104133758.GA1827@willie-the-truck> (raw)
In-Reply-To: <202201041700.01KZEzhb-lkp@intel.com>

On Tue, Jan 04, 2022 at 05:49:36PM +0800, kernel test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
> head:   ea586a076e8aa606c59b66d86660590f18354b11
> commit: 3f7be43561766b7ad91661580376913c997613d6 [6432/9897] perf/smmuv3: Add devicetree support
> config: x86_64-buildonly-randconfig-r001-20220102 (https://download.01.org/0day-ci/archive/20220104/202201041700.01KZEzhb-lkp@intel.com/config)
> compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 104a827ea6de0cbe0f5faef4407552ede31d165c)
> 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/next/linux-next.git/commit/?id=3f7be43561766b7ad91661580376913c997613d6
>         git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
>         git fetch --no-tags linux-next master
>         git checkout 3f7be43561766b7ad91661580376913c997613d6
>         # 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=x86_64 SHELL=/bin/bash drivers/perf/
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
> 
> All warnings (new ones prefixed by >>):
> 
> >> drivers/perf/arm_smmuv3_pmu.c:889:34: warning: unused variable 'smmu_pmu_of_match' [-Wunused-const-variable]
>    static const struct of_device_id smmu_pmu_of_match[] = {
>                                     ^
>    1 warning generated.
> 
> 
> vim +/smmu_pmu_of_match +889 drivers/perf/arm_smmuv3_pmu.c
> 
>    888	
>  > 889	static const struct of_device_id smmu_pmu_of_match[] = {
>    890		{ .compatible = "arm,smmu-v3-pmcg" },
>    891		{}
>    892	};
>    893	MODULE_DEVICE_TABLE(of, smmu_pmu_of_match);
>    894	

I've fixed this locally with an #ifdef CONFIG_OF around the match table.
I'll push out a branch once I've got on top of the other pending perf
issues.

Will

WARNING: multiple messages have this Message-ID (diff)
From: Will Deacon <will@kernel.org>
To: kbuild-all@lists.01.org
Subject: Re: [linux-next:master 6432/9897] drivers/perf/arm_smmuv3_pmu.c:889:34: warning: unused variable 'smmu_pmu_of_match'
Date: Tue, 04 Jan 2022 13:37:58 +0000	[thread overview]
Message-ID: <20220104133758.GA1827@willie-the-truck> (raw)
In-Reply-To: <202201041700.01KZEzhb-lkp@intel.com>

[-- Attachment #1: Type: text/plain, Size: 2183 bytes --]

On Tue, Jan 04, 2022 at 05:49:36PM +0800, kernel test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
> head:   ea586a076e8aa606c59b66d86660590f18354b11
> commit: 3f7be43561766b7ad91661580376913c997613d6 [6432/9897] perf/smmuv3: Add devicetree support
> config: x86_64-buildonly-randconfig-r001-20220102 (https://download.01.org/0day-ci/archive/20220104/202201041700.01KZEzhb-lkp(a)intel.com/config)
> compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 104a827ea6de0cbe0f5faef4407552ede31d165c)
> 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/next/linux-next.git/commit/?id=3f7be43561766b7ad91661580376913c997613d6
>         git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
>         git fetch --no-tags linux-next master
>         git checkout 3f7be43561766b7ad91661580376913c997613d6
>         # 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=x86_64 SHELL=/bin/bash drivers/perf/
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
> 
> All warnings (new ones prefixed by >>):
> 
> >> drivers/perf/arm_smmuv3_pmu.c:889:34: warning: unused variable 'smmu_pmu_of_match' [-Wunused-const-variable]
>    static const struct of_device_id smmu_pmu_of_match[] = {
>                                     ^
>    1 warning generated.
> 
> 
> vim +/smmu_pmu_of_match +889 drivers/perf/arm_smmuv3_pmu.c
> 
>    888	
>  > 889	static const struct of_device_id smmu_pmu_of_match[] = {
>    890		{ .compatible = "arm,smmu-v3-pmcg" },
>    891		{}
>    892	};
>    893	MODULE_DEVICE_TABLE(of, smmu_pmu_of_match);
>    894	

I've fixed this locally with an #ifdef CONFIG_OF around the match table.
I'll push out a branch once I've got on top of the other pending perf
issues.

Will

  reply	other threads:[~2022-01-04 13:38 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-04  9:49 [linux-next:master 6432/9897] drivers/perf/arm_smmuv3_pmu.c:889:34: warning: unused variable 'smmu_pmu_of_match' kernel test robot
2022-01-04  9:49 ` kernel test robot
2022-01-04 13:37 ` Will Deacon [this message]
2022-01-04 13:37   ` Will Deacon

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