Messages in this thread | | | Date | Mon, 13 Sep 2021 15:59:44 +0800 | From | kernel test robot <> | Subject | Re: [PATCH] trace: Do some cleanups for osnoise tracer |
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Hi Tang,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on tip/perf/core] [also build test WARNING on v5.15-rc1 next-20210913] [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/Tang-Yizhou/trace-Do-some-cleanups-for-osnoise-tracer/20210913-111459 base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 4034fb207e302cc0b1f304084d379640c1fb1436 config: x86_64-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/cecf38d3b5e23a411856f6c8f3e3be903e439876 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Tang-Yizhou/trace-Do-some-cleanups-for-osnoise-tracer/20210913-111459 git checkout cecf38d3b5e23a411856f6c8f3e3be903e439876 # save the attached .config to linux build tree make W=1 ARCH=x86_64
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 >>):
>> kernel/trace/trace_osnoise.c:1826:9: warning: initialization discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] 1826 | .max = &timerlat_max_period, | ^ kernel/trace/trace_osnoise.c:1827:9: warning: initialization discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] 1827 | .min = &timerlat_min_period, | ^
vim +/const +1826 kernel/trace/trace_osnoise.c
a955d7eac1779b Daniel Bristot de Oliveira 2021-06-22 1817 a955d7eac1779b Daniel Bristot de Oliveira 2021-06-22 1818 /* a955d7eac1779b Daniel Bristot de Oliveira 2021-06-22 1819 * osnoise/timerlat_period: min 100 us, max 1 s a955d7eac1779b Daniel Bristot de Oliveira 2021-06-22 1820 */ cecf38d3b5e23a Tang Yizhou 2021-09-13 1821 static const u64 timerlat_min_period = 100; cecf38d3b5e23a Tang Yizhou 2021-09-13 1822 static const u64 timerlat_max_period = 1000000; a955d7eac1779b Daniel Bristot de Oliveira 2021-06-22 1823 static struct trace_min_max_param timerlat_period = { a955d7eac1779b Daniel Bristot de Oliveira 2021-06-22 1824 .lock = &interface_lock, a955d7eac1779b Daniel Bristot de Oliveira 2021-06-22 1825 .val = &osnoise_data.timerlat_period, a955d7eac1779b Daniel Bristot de Oliveira 2021-06-22 @1826 .max = &timerlat_max_period, a955d7eac1779b Daniel Bristot de Oliveira 2021-06-22 1827 .min = &timerlat_min_period, a955d7eac1779b Daniel Bristot de Oliveira 2021-06-22 1828 }; a955d7eac1779b Daniel Bristot de Oliveira 2021-06-22 1829 #endif a955d7eac1779b Daniel Bristot de Oliveira 2021-06-22 1830
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