Hi Peter, Thank you for the patch! Yet something to improve: [auto build test ERROR on hnaz-mm/master] url: https://github.com/intel-lab-lkp/linux/commits/Peter-Collingbourne/mm-make-minimum-slab-alignment-a-runtime-property/20220423-042024 base: https://github.com/hnaz/linux-mm master config: arm64-buildonly-randconfig-r002-20220425 (https://download.01.org/0day-ci/archive/20220425/202204251346.WbwgrNZw-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 1cddcfdc3c683b393df1a5c9063252eb60e52818) 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 arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://github.com/intel-lab-lkp/linux/commit/3aef97055dd4a480e05dff758164f153aaddbb49 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Peter-Collingbourne/mm-make-minimum-slab-alignment-a-runtime-property/20220423-042024 git checkout 3aef97055dd4a480e05dff758164f153aaddbb49 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 prepare If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from kernel/bounds.c:10: In file included from include/linux/page-flags.h:10: In file included from include/linux/bug.h:5: In file included from arch/arm64/include/asm/bug.h:26: In file included from include/asm-generic/bug.h:22: In file included from include/linux/printk.h:9: In file included from include/linux/cache.h:6: In file included from arch/arm64/include/asm/cache.h:56: In file included from include/linux/kasan-enabled.h:5: In file included from include/linux/static_key.h:1: >> include/linux/jump_label.h:285:2: error: call to undeclared function 'WARN'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] STATIC_KEY_CHECK_USE(key); ^ include/linux/jump_label.h:81:35: note: expanded from macro 'STATIC_KEY_CHECK_USE' #define STATIC_KEY_CHECK_USE(key) WARN(!static_key_initialized, \ ^ include/linux/jump_label.h:291:2: error: call to undeclared function 'WARN'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] STATIC_KEY_CHECK_USE(key); ^ include/linux/jump_label.h:81:35: note: expanded from macro 'STATIC_KEY_CHECK_USE' #define STATIC_KEY_CHECK_USE(key) WARN(!static_key_initialized, \ ^ include/linux/jump_label.h:313:2: error: call to undeclared function 'WARN'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] STATIC_KEY_CHECK_USE(key); ^ include/linux/jump_label.h:81:35: note: expanded from macro 'STATIC_KEY_CHECK_USE' #define STATIC_KEY_CHECK_USE(key) WARN(!static_key_initialized, \ ^ >> include/linux/jump_label.h:316:3: error: call to undeclared function 'WARN_ON_ONCE'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] WARN_ON_ONCE(atomic_read(&key->enabled) != 1); ^ include/linux/jump_label.h:324:2: error: call to undeclared function 'WARN'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] STATIC_KEY_CHECK_USE(key); ^ include/linux/jump_label.h:81:35: note: expanded from macro 'STATIC_KEY_CHECK_USE' #define STATIC_KEY_CHECK_USE(key) WARN(!static_key_initialized, \ ^ include/linux/jump_label.h:327:3: error: call to undeclared function 'WARN_ON_ONCE'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] WARN_ON_ONCE(atomic_read(&key->enabled) != 0); ^ 6 errors generated. make[2]: *** [scripts/Makefile.build:122: kernel/bounds.s] Error 1 make[2]: Target '__build' not remade because of errors. make[1]: *** [Makefile:1283: prepare0] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:226: __sub-make] Error 2 make: Target 'prepare' not remade because of errors. vim +/WARN +285 include/linux/jump_label.h bf5438fca2950b Jason Baron 2010-09-17 282 c5905afb0ee655 Ingo Molnar 2012-02-24 283 static inline void static_key_slow_inc(struct static_key *key) d430d3d7e646eb Jason Baron 2011-03-16 284 { 5cdda5117e125e Borislav Petkov 2017-10-18 @285 STATIC_KEY_CHECK_USE(key); d430d3d7e646eb Jason Baron 2011-03-16 286 atomic_inc(&key->enabled); d430d3d7e646eb Jason Baron 2011-03-16 287 } bf5438fca2950b Jason Baron 2010-09-17 288 c5905afb0ee655 Ingo Molnar 2012-02-24 289 static inline void static_key_slow_dec(struct static_key *key) bf5438fca2950b Jason Baron 2010-09-17 290 { 5cdda5117e125e Borislav Petkov 2017-10-18 291 STATIC_KEY_CHECK_USE(key); d430d3d7e646eb Jason Baron 2011-03-16 292 atomic_dec(&key->enabled); bf5438fca2950b Jason Baron 2010-09-17 293 } bf5438fca2950b Jason Baron 2010-09-17 294 ce48c146495a1a Peter Zijlstra 2018-01-22 295 #define static_key_slow_inc_cpuslocked(key) static_key_slow_inc(key) ce48c146495a1a Peter Zijlstra 2018-01-22 296 #define static_key_slow_dec_cpuslocked(key) static_key_slow_dec(key) ce48c146495a1a Peter Zijlstra 2018-01-22 297 4c3ef6d79328c0 Jason Baron 2010-09-17 298 static inline int jump_label_text_reserved(void *start, void *end) 4c3ef6d79328c0 Jason Baron 2010-09-17 299 { 4c3ef6d79328c0 Jason Baron 2010-09-17 300 return 0; 4c3ef6d79328c0 Jason Baron 2010-09-17 301 } 4c3ef6d79328c0 Jason Baron 2010-09-17 302 91bad2f8d30574 Jason Baron 2010-10-01 303 static inline void jump_label_lock(void) {} 91bad2f8d30574 Jason Baron 2010-10-01 304 static inline void jump_label_unlock(void) {} 91bad2f8d30574 Jason Baron 2010-10-01 305 d430d3d7e646eb Jason Baron 2011-03-16 306 static inline int jump_label_apply_nops(struct module *mod) d430d3d7e646eb Jason Baron 2011-03-16 307 { d430d3d7e646eb Jason Baron 2011-03-16 308 return 0; d430d3d7e646eb Jason Baron 2011-03-16 309 } b202952075f626 Gleb Natapov 2011-11-27 310 e33886b38cc82a Peter Zijlstra 2015-07-24 311 static inline void static_key_enable(struct static_key *key) e33886b38cc82a Peter Zijlstra 2015-07-24 312 { 5cdda5117e125e Borislav Petkov 2017-10-18 313 STATIC_KEY_CHECK_USE(key); e33886b38cc82a Peter Zijlstra 2015-07-24 314 1dbb6704de91b1 Paolo Bonzini 2017-08-01 315 if (atomic_read(&key->enabled) != 0) { 1dbb6704de91b1 Paolo Bonzini 2017-08-01 @316 WARN_ON_ONCE(atomic_read(&key->enabled) != 1); 1dbb6704de91b1 Paolo Bonzini 2017-08-01 317 return; 1dbb6704de91b1 Paolo Bonzini 2017-08-01 318 } 1dbb6704de91b1 Paolo Bonzini 2017-08-01 319 atomic_set(&key->enabled, 1); e33886b38cc82a Peter Zijlstra 2015-07-24 320 } e33886b38cc82a Peter Zijlstra 2015-07-24 321 -- 0-DAY CI Kernel Test Service https://01.org/lkp
