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Date:   Sun, 14 Jun 2020 15:39:03 +0800
From:   kernel test robot <>
To:     Valentin Schneider <>,,,
        Russell King <>,
        Thara Gopinath <>,
        Sudeep Holla <>,
        Amit Daniel Kachhap <>,
        Daniel Lezcano <>,
        Viresh Kumar <>,
        Ingo Molnar <>
Subject: Re: [PATCH 1/3] thermal/cpu-cooling, sched/core: Cleanup thermal
 pressure definition

Hi Valentin,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on tip/auto-latest]
[also build test WARNING on driver-core/driver-core-testing tip/sched/core arm/for-next arm64/for-next/core soc/for-next linus/master v5.7 next-20200613]
[cannot apply to linux/master]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see]

base: 8dc697d75c13ee2901d1a40f1d7d58163048c204
config: arm64-randconfig-r013-20200614 (attached as .config)
compiler: clang version 11.0.0 ( cb5072d1877b38c972f95092db2cedbcddb81da6)
reproduce (this is a W=1 build):
        wget -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 <>

All warnings (new ones prefixed by >>, old ones prefixed by <<):

>> drivers/base/arch_topology.c:59:6: warning: no previous prototype for function 'arch_set_thermal_pressure' [-Wmissing-prototypes]
void arch_set_thermal_pressure(const struct cpumask *cpus,
drivers/base/arch_topology.c:59:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void arch_set_thermal_pressure(const struct cpumask *cpus,
1 warning generated.

vim +/arch_set_thermal_pressure +59 drivers/base/arch_topology.c

  > 59	void arch_set_thermal_pressure(const struct cpumask *cpus,
    60				       unsigned long th_pressure)
    61	{
    62		int cpu;
    64		for_each_cpu(cpu, cpus)
    65			WRITE_ONCE(per_cpu(thermal_pressure, cpu), th_pressure);
    66	}

0-DAY CI Kernel Test Service, Intel Corporation

Download attachment ".config.gz" of type "application/gzip" (36464 bytes)

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