Messages in this thread | | | Date | Mon, 14 Feb 2022 06:02:01 +0800 | From | kernel test robot <> | Subject | [toke:xdp-queueing-02 5/11] kernel/bpf/pifomap.c:197:6: warning: no previous prototype for 'pifo_set_bit' |
| |
tree: https://git.kernel.org/pub/scm/linux/kernel/git/toke/linux.git xdp-queueing-02 head: 26dde94b299bc277f7a99a99ba64b4363964e833 commit: 34cc5abfbae0dfcb6967c54cb80f7595bc9c5c37 [5/11] Add a PIFO map type for queueing packets config: i386-randconfig-a003 (https://download.01.org/0day-ci/archive/20220214/202202140539.izxJMSE3-lkp@intel.com/config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/toke/linux.git/commit/?id=34cc5abfbae0dfcb6967c54cb80f7595bc9c5c37 git remote add toke https://git.kernel.org/pub/scm/linux/kernel/git/toke/linux.git git fetch --no-tags toke xdp-queueing-02 git checkout 34cc5abfbae0dfcb6967c54cb80f7595bc9c5c37 # save the config file to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash
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/bpf/pifomap.c:197:6: warning: no previous prototype for 'pifo_set_bit' [-Wmissing-prototypes] 197 | void pifo_set_bit(struct bpf_pifo_queue *queue, u32 rank) | ^~~~~~~~~~~~ >> kernel/bpf/pifomap.c:208:6: warning: no previous prototype for 'pifo_clear_bit' [-Wmissing-prototypes] 208 | void pifo_clear_bit(struct bpf_pifo_queue *queue, u32 rank) | ^~~~~~~~~~~~~~
vim +/pifo_set_bit +197 kernel/bpf/pifomap.c
196 > 197 void pifo_set_bit(struct bpf_pifo_queue *queue, u32 rank) 198 { 199 u32 i; 200 201 for (i = queue->levels; i > 0; i--) { 202 unsigned long *bitmap = queue->lvl_bitmap[i-1]; 203 set_bit(rank, bitmap); 204 rank /= BITS_PER_TYPE(long); 205 } 206 } 207 > 208 void pifo_clear_bit(struct bpf_pifo_queue *queue, u32 rank) 209 { 210 u32 i; 211 212 for (i = queue->levels; i > 0; i--) { 213 unsigned long *bitmap = queue->lvl_bitmap[i-1]; 214 clear_bit(rank, bitmap); 215 rank /= BITS_PER_TYPE(long); 216 217 // another bit is set in this word, don't clear bit in higher 218 // level 219 if (*(bitmap + rank)) 220 break; 221 } 222 } 223
--- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
| |