Hi Olivier, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on linus/master] [cannot apply to v5.17-rc5 next-20220225] [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/Olivier-Langlois/io_uring-Add-support-for-napi_busy_poll/20220228-012140 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 2293be58d6a18cab800e25e42081bacb75c05752 config: mips-qi_lb60_defconfig (https://download.01.org/0day-ci/archive/20220228/202202280457.dz7FiDNh-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d271fc04d5b97b12e6b797c6067d3c96a8d7470e) 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 # install mips cross compiling tool for clang build # apt-get install binutils-mips-linux-gnu # https://github.com/0day-ci/linux/commit/65e72f78c66272f7cf0e87dfeef88f5b79de2d91 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Olivier-Langlois/io_uring-Add-support-for-napi_busy_poll/20220228-012140 git checkout 65e72f78c66272f7cf0e87dfeef88f5b79de2d91 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> fs/io_uring.c:7840:3: warning: comparison of distinct pointer types ('typeof ((to)) *' (aka 'long long *') and 'uint64_t *' (aka 'unsigned long long *')) [-Wcompare-distinct-pointer-types] do_div(to, 1000); ^~~~~~~~~~~~~~~~ include/asm-generic/div64.h:222:28: note: expanded from macro 'do_div' (void)(((typeof((n)) *)0) == ((uint64_t *)0)); \ ~~~~~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~ 1 warning generated. vim +7840 fs/io_uring.c 7826 7827 #ifdef CONFIG_NET_RX_BUSY_POLL 7828 static void io_adjust_busy_loop_timeout(struct timespec64 *ts, 7829 struct io_wait_queue *iowq) 7830 { 7831 unsigned busy_poll_to = READ_ONCE(sysctl_net_busy_poll); 7832 struct timespec64 pollto = ns_to_timespec64(1000 * (s64)busy_poll_to); 7833 7834 if (timespec64_compare(ts, &pollto) > 0) { 7835 *ts = timespec64_sub(*ts, pollto); 7836 iowq->busy_poll_to = busy_poll_to; 7837 } else { 7838 s64 to = timespec64_to_ns(ts); 7839 > 7840 do_div(to, 1000); 7841 iowq->busy_poll_to = to; 7842 ts->tv_sec = 0; 7843 ts->tv_nsec = 0; 7844 } 7845 } 7846 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
