Hi Shaohua, [auto build test WARNING on linus/master] [also build test WARNING on v4.9-rc5] [cannot apply to block/for-next next-20161114] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Shaohua-Li/blk-throttle-add-high-limit/20161115-063105 config: openrisc-allyesconfig (attached as .config) compiler: or32-linux-gcc (GCC) 4.5.1-or32-1.0rc1 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=openrisc All warnings (new ones prefixed by >>): block/blk-throttle.c: In function 'throtl_calculate_line_slope': >> block/blk-throttle.c:2017:2: warning: comparison of distinct pointer types >> lacks a cast block/blk-throttle.c:2019:2: warning: comparison of distinct pointer types lacks a cast block/blk-throttle.c:2023:2: warning: comparison of distinct pointer types lacks a cast vim +2017 block/blk-throttle.c 2001 for (i = 0; i < LATENCY_BUCKET_SIZE; i++) { 2002 u64 x, y; 2003 2004 if (td->avg_buckets[i].latency == 0) 2005 continue; 2006 2007 x = td->avg_buckets[i].size >> 10; 2008 y = td->avg_buckets[i].latency; 2009 sumX += x; 2010 sumY += y; 2011 2012 sumXY += x * y; 2013 sumX2 += x * x; 2014 } 2015 2016 xMean = sumX; > 2017 do_div(xMean, valid_lat); 2018 yMean = sumY; 2019 do_div(yMean, valid_lat); 2020 denominator = sumX2 - sumX * xMean; 2021 2022 slope = sumXY - sumX * yMean; 2023 do_div(slope, denominator); 2024 td->line_slope = slope; 2025 } --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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