Messages in this thread | | | Subject | Re: [PATCH -next v2 2/2] blk-throttle: fix io hung due to configuration updates | From | "yukuai (C)" <> | Date | Thu, 19 May 2022 11:01:19 +0800 |
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在 2022/05/19 10:11, yukuai (C) 写道: > > > 在 2022/05/18 23:52, kernel test robot 写道: >> Hi Yu, >> >> Thank you for the patch! Yet something to improve: >> >> [auto build test ERROR on next-20220517] >> >> url: >> https://github.com/intel-lab-lkp/linux/commits/Yu-Kuai/bugfix-for-blk-throttle/20220518-151713 >> >> base: 47c1c54d1bcd0a69a56b49473bc20f17b70e5242 >> config: m68k-allyesconfig >> (https://download.01.org/0day-ci/archive/20220518/202205182347.tMOOqyfL-lkp@intel.com/config) >> >> compiler: m68k-linux-gcc (GCC) 11.3.0 >> 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 >> # >> https://github.com/intel-lab-lkp/linux/commit/f8345dbaf4ed491742aab29834aff66b4930c087 >> >> git remote add linux-review >> https://github.com/intel-lab-lkp/linux >> git fetch --no-tags linux-review >> Yu-Kuai/bugfix-for-blk-throttle/20220518-151713 >> git checkout f8345dbaf4ed491742aab29834aff66b4930c087 >> # save the config file >> mkdir build_dir && cp config build_dir/.config >> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 >> make.cross W=1 O=build_dir ARCH=m68k SHELL=/bin/bash >> >> If you fix the issue, kindly add following tag as appropriate >> Reported-by: kernel test robot <lkp@intel.com> >> >> All errors (new ones prefixed by >>): >> >> m68k-linux-ld: block/blk-throttle.o: in function `tg_conf_updated': >>>> blk-throttle.c:(.text+0x25bc): undefined reference to `__udivdi3' >>>> m68k-linux-ld: blk-throttle.c:(.text+0x2626): undefined reference to >>>> `__udivdi3' > Hi, > > I'm confused here, the only place that I can relate to this: > > return dispatched * new_limit / old_limit; > I understand it now. I'm doing (u64 / u64), I should use div64_u64 > However, I don't understand yet why this is problematic... >> `.exit.text' referenced in section `.data' of >> sound/soc/codecs/tlv320adc3xxx.o: defined in discarded section >> `.exit.text' of sound/soc/codecs/tlv320adc3xxx.o >>
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