linux-kernel - Re: [PATCH v5] perf: arm_dsu: Support DSU ACPI devices

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Message-Id: <C7729DCE-57C3-4ADD-AFD4-3992798F1FF9@amperemail.onmicrosoft.com>
Date:   Thu, 10 Sep 2020 12:07:52 -0700
From:   Tuan Phan <tuanphan@...eremail.onmicrosoft.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Suzuki K Poulose <suzuki.poulose@....com>,
        Will Deacon <will@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5] perf: arm_dsu: Support DSU ACPI devices

Hi Will,

> On Sep 10, 2020, at 6:40 AM, kernel test robot <lkp@...el.com> wrote:
> 
> Hi Tuan,
> 
> Thank you for the patch! Perhaps something to improve:
> 
> [auto build test WARNING on linus/master]
> [also build test WARNING on v5.9-rc4 next-20200910]
> [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/0day-ci/linux/commits/Tuan-Phan/perf-arm_dsu-Support-DSU-ACPI-devices/20200910-105630
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git ab29a807a7ddaa7c84d2f4cb8d29e74e33759072
> config: arm64-randconfig-r012-20200909 (attached as .config)
> compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 0a5dc7effb191eff740e0e7ae7bd8e1f6bdb3ad9)
> 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
>        # save the attached .config to linux build tree
>        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@...el.com>
> 
> All warnings (new ones prefixed by >>):
> 
>>> drivers/perf/arm_dsu_pmu.c:799:36: warning: unused variable 'dsu_pmu_acpi_match' [-Wunused-const-variable]
>   static const struct acpi_device_id dsu_pmu_acpi_match[] = {
>                                      ^
>   1 warning generated.
> 

Do you need me to fix this warning when CONFIG_ACPI not defined?

Tuan
> # https://github.com/0day-ci/linux/commit/40c3a0c70d4472e2fe1f5364d50939b863874fa1
> git remote add linux-review https://github.com/0day-ci/linux
> git fetch --no-tags linux-review Tuan-Phan/perf-arm_dsu-Support-DSU-ACPI-devices/20200910-105630
> git checkout 40c3a0c70d4472e2fe1f5364d50939b863874fa1
> vim +/dsu_pmu_acpi_match +799 drivers/perf/arm_dsu_pmu.c
> 
>   798	
>> 799	static const struct acpi_device_id dsu_pmu_acpi_match[] = {
>   800		{ "ARMHD500", 0},
>   801		{},
>   802	};
>   803	MODULE_DEVICE_TABLE(acpi, dsu_pmu_acpi_match);
>   804	
> 
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
> <.config.gz>