Messages in this thread | | | Date | Wed, 24 Aug 2022 09:25:18 +0800 | From | kernel test robot <> | Subject | [mark:arm64/alternatives/rework 17/18] arch/arm64/kernel/alternative.c:146:6: warning: no previous prototype for 'summarize_alternatives' |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git arm64/alternatives/rework head: fad62c713602c963008575fd972d316569a32d12 commit: 6f13524469effb9785e5692389b94113f994c100 [17/18] HACK: dump summary of alternatives config: arm64-buildonly-randconfig-r005-20220823 (https://download.01.org/0day-ci/archive/20220824/202208240954.ZdCvNcRi-lkp@intel.com/config) compiler: aarch64-linux-gcc (GCC) 12.1.0 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/mark/linux.git/commit/?id=6f13524469effb9785e5692389b94113f994c100 git remote add mark https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git git fetch --no-tags mark arm64/alternatives/rework git checkout 6f13524469effb9785e5692389b94113f994c100 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash arch/arm64/kernel/
If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> arch/arm64/kernel/alternative.c:146:6: warning: no previous prototype for 'summarize_alternatives' [-Wmissing-prototypes] 146 | void summarize_alternatives(const struct alt_region *region) | ^~~~~~~~~~~~~~~~~~~~~~ arch/arm64/kernel/alternative.c:330:14: warning: no previous prototype for 'alt_cb_patch_nops' [-Wmissing-prototypes] 330 | noinstr void alt_cb_patch_nops(struct alt_instr *alt, __le32 *origptr, | ^~~~~~~~~~~~~~~~~
vim +/summarize_alternatives +146 arch/arm64/kernel/alternative.c
140 141 #define for_each_region_alt(region, alt) \ 142 for (struct alt_instr *alt = (region)->begin; \ 143 (alt) < (region)->end; \ 144 (alt)++) 145 > 146 void summarize_alternatives(const struct alt_region *region) 147 { 148 unsigned int entries[ARM64_NCAPS] = { 0 }; 149 unsigned int orig_len[ARM64_NCAPS] = { 0 }; 150 unsigned int repl_len[ARM64_NCAPS] = { 0 }; 151 unsigned int callbacks[ARM64_NCAPS] = { 0 }; 152 153 unsigned int total_entries = 0; 154 unsigned int total_orig = 0; 155 unsigned int total_repl = 0; 156 unsigned int total_callbacks = 0; 157 158 for_each_region_alt(region, alt) { 159 int cap = ALT_CAP(alt); 160 161 entries[cap]++; 162 total_entries++; 163 164 orig_len[cap] += alt->orig_len; 165 total_orig += alt->orig_len; 166 167 repl_len[cap] += alt->alt_len; 168 total_repl += alt->alt_len; 169 170 if (ALT_HAS_CB(alt)) { 171 callbacks[cap]++; 172 total_callbacks++; 173 } 174 } 175 176 pr_info("Alternatives summary:\n" 177 " entries: %5d\n" 178 " instructions: %5d\n" 179 " replacements: %5d\n" 180 " callbacks: %5d\n", 181 total_entries, 182 total_orig / AARCH64_INSN_SIZE, 183 total_repl / AARCH64_INSN_SIZE, 184 total_callbacks); 185 186 for (int i = 0; i < ARM64_NCAPS; i++) { 187 if (!entries[i]) 188 continue; 189 190 pr_info("cpucap %2d => entries: %5d orig: %5d, repl: %5d, cb: %5d\n", 191 i, 192 entries[i], 193 orig_len[i] / AARCH64_INSN_SIZE, 194 repl_len[i] / AARCH64_INSN_SIZE, 195 callbacks[i]); 196 } 197 } 198
-- 0-DAY CI Kernel Test Service https://01.org/lkp
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