On 14/06/20 08:39, kernel test robot wrote:
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
https://stackoverflow.com/a/37406982]
url:
https://github.com/0day-ci/linux/commits/Valentin-Schneider/sched-arch_to...
base:
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git
8dc697d75c13ee2901d1a40f1d7d58163048c204
config: arm64-randconfig-r013-20200614 (attached as .config)
compiler: clang version 11.0.0 (
https://github.com/llvm/llvm-project
cb5072d1877b38c972f95092db2cedbcddb81da6)
reproduce (this is a W=1 build):
Ah, W=1! I thought I was going nuts.
If desired, I can add a declaration in cpu_cooling.h, similar to what we
have for the arch_set_freq_scale() stub.
> 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(a)intel.com>
>
> 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,
> ^
> static
> 1 warning generated.
>
> vim +/arch_set_thermal_pressure +59 drivers/base/arch_topology.c
>
> 58
> > 59 void arch_set_thermal_pressure(const struct cpumask *cpus,
> 60 unsigned long th_pressure)
> 61 {
> 62 int cpu;
> 63
> 64 for_each_cpu(cpu, cpus)
> 65 WRITE_ONCE(per_cpu(thermal_pressure, cpu), th_pressure);
> 66 }
> 67
>
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
>
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org