* [toke:xdp-queueing-01 1/9] kernel/bpf/pifomap.c:197:6: error: no previous prototype for 'pifo_set_bit'
@ 2021-11-11 8:43 kernel test robot
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From: kernel test robot @ 2021-11-11 8:43 UTC (permalink / raw)
To: Toke Høiland-Jørgensen; +Cc: kbuild-all, linux-kernel
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/toke/linux.git xdp-queueing-01
head: 7cdc645073a59261514e56e1a4c6d0dac1b24b32
commit: 181bc9e4a64cc89cae2fe5b0091ed328383ad40c [1/9] Add a PIFO map type for queueing packets
config: openrisc-buildonly-randconfig-r003-20211111 (attached as .config)
compiler: or1k-linux-gcc (GCC) 11.2.0
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://git.kernel.org/pub/scm/linux/kernel/git/toke/linux.git/commit/?id=181bc9e4a64cc89cae2fe5b0091ed328383ad40c
git remote add toke https://git.kernel.org/pub/scm/linux/kernel/git/toke/linux.git
git fetch --no-tags toke xdp-queueing-01
git checkout 181bc9e4a64cc89cae2fe5b0091ed328383ad40c
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=openrisc
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 >>):
>> kernel/bpf/pifomap.c:197:6: error: no previous prototype for 'pifo_set_bit' [-Werror=missing-prototypes]
197 | void pifo_set_bit(struct bpf_pifo_queue *queue, u32 rank)
| ^~~~~~~~~~~~
>> kernel/bpf/pifomap.c:208:6: error: no previous prototype for 'pifo_clear_bit' [-Werror=missing-prototypes]
208 | void pifo_clear_bit(struct bpf_pifo_queue *queue, u32 rank)
| ^~~~~~~~~~~~~~
cc1: all warnings being treated as errors
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
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