Re: [PATCH 4/5] arm64: vdso: Add getcpu() implementation

From: kernel test robot <lkp@intel.com>
To: Mark Brown <broonie@kernel.org>, Will Deacon <will@kernel.org>,
	Catalin Marinas <catalin.marinas@arm.com>
Cc: linux-arm-kernel@lists.infradead.org,
	Mark Brown <broonie@kernel.org>,
	kbuild-all@lists.01.org,
	Vincenzo Frascino <vincenzo.frascino@arm.com>,
	Andrei Vagin <avagin@gmail.com>
Subject: Re: [PATCH 4/5] arm64: vdso: Add getcpu() implementation
Date: Sat, 6 Jun 2020 00:11:08 +0800	[thread overview]
Message-ID: <202006060044.bdshhJta%lkp@intel.com> (raw)
In-Reply-To: <20200605131131.16491-5-broonie@kernel.org>

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Hi Mark,

I love your patch! Perhaps something to improve:

[auto build test WARNING on next-20200605]
[cannot apply to arm64/for-next/core arm-perf/for-next/perf kselftest/next v5.7 v5.7-rc7 v5.7-rc6 v5.7]
[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/Mark-Brown/arm64-vdso-getcpu-support/20200605-212237
base:    af30725c132e2e5c5369b60369ff0771fde7d4ff
config: arm64-allyesconfig (attached as .config)
compiler: aarch64-linux-gcc (GCC) 9.3.0
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
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64 

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 >>, old ones prefixed by <<):

>> arch/arm64/kernel/vdso/vgetcpu.c:33:5: warning: no previous prototype for '__kernel_getcpu' [-Wmissing-prototypes]
33 | int __kernel_getcpu(unsigned int *cpu, unsigned int *node,
|     ^~~~~~~~~~~~~~~
--
>> arch/arm64/kernel/vdso/vgetcpu.c:33:5: warning: no previous prototype for '__kernel_getcpu' [-Wmissing-prototypes]
33 | int __kernel_getcpu(unsigned int *cpu, unsigned int *node,
|     ^~~~~~~~~~~~~~~
arch/arm64/kernel/vdso/vgettimeofday.c:9:5: warning: no previous prototype for '__kernel_clock_gettime' [-Wmissing-prototypes]
9 | int __kernel_clock_gettime(clockid_t clock,
|     ^~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kernel/vdso/vgettimeofday.c:15:5: warning: no previous prototype for '__kernel_gettimeofday' [-Wmissing-prototypes]
15 | int __kernel_gettimeofday(struct __kernel_old_timeval *tv,
|     ^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kernel/vdso/vgettimeofday.c:21:5: warning: no previous prototype for '__kernel_clock_getres' [-Wmissing-prototypes]
21 | int __kernel_clock_getres(clockid_t clock_id,
|     ^~~~~~~~~~~~~~~~~~~~~

vim +/__kernel_getcpu +33 arch/arm64/kernel/vdso/vgetcpu.c

    32	
  > 33	int __kernel_getcpu(unsigned int *cpu, unsigned int *node,

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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