Hi Tanner, Thank you for the patch! Yet something to improve: [auto build test ERROR on net-next/master] url: https://github.com/0day-ci/linux/commits/Tanner-Love/net-update-netdev_rx_csum_fault-print-dump-only-once/20210423-034958 base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 5d869070569a23aa909c6e7e9d010fc438a492ef config: s390-randconfig-r014-20210421 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project f5446b769a7929806f72256fccd4826d66502e59) 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 s390 cross compiling tool for clang build # apt-get install binutils-s390x-linux-gnu # https://github.com/0day-ci/linux/commit/eaeb33f0f85f70fc4e5fbae1e2344e9c6867c840 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Tanner-Love/net-update-netdev_rx_csum_fault-print-dump-only-once/20210423-034958 git checkout eaeb33f0f85f70fc4e5fbae1e2344e9c6867c840 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=s390 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot 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/s390/include/asm/bug.h:68: In file included from include/asm-generic/bug.h:7: In file included from include/linux/once.h:6: include/linux/jump_label.h:278:2: error: implicit declaration of function 'WARN' [-Werror,-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:284:2: error: implicit declaration of function 'WARN' [-Werror,-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:306:2: error: implicit declaration of function 'WARN' [-Werror,-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:309:3: error: implicit declaration of function 'WARN_ON_ONCE' [-Werror,-Wimplicit-function-declaration] WARN_ON_ONCE(atomic_read(&key->enabled) != 1); ^ include/linux/jump_label.h:317:2: error: implicit declaration of function 'WARN' [-Werror,-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:320:3: error: implicit declaration of function 'WARN_ON_ONCE' [-Werror,-Wimplicit-function-declaration] WARN_ON_ONCE(atomic_read(&key->enabled) != 0); ^ 6 errors generated. -- 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/s390/include/asm/bug.h:68: In file included from include/asm-generic/bug.h:7: In file included from include/linux/once.h:6: include/linux/jump_label.h:278:2: error: implicit declaration of function 'WARN' [-Werror,-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:284:2: error: implicit declaration of function 'WARN' [-Werror,-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:306:2: error: implicit declaration of function 'WARN' [-Werror,-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:309:3: error: implicit declaration of function 'WARN_ON_ONCE' [-Werror,-Wimplicit-function-declaration] WARN_ON_ONCE(atomic_read(&key->enabled) != 1); ^ include/linux/jump_label.h:317:2: error: implicit declaration of function 'WARN' [-Werror,-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:320:3: error: implicit declaration of function 'WARN_ON_ONCE' [-Werror,-Wimplicit-function-declaration] WARN_ON_ONCE(atomic_read(&key->enabled) != 0); ^ 6 errors generated. make[2]: *** [scripts/Makefile.build:116: kernel/bounds.s] Error 1 make[2]: Target '__build' not remade because of errors. make[1]: *** [Makefile:1235: prepare0] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:215: __sub-make] Error 2 make: Target 'prepare' not remade because of errors. vim +/WARN_ON_ONCE +309 include/linux/jump_label.h b202952075f626 Gleb Natapov 2011-11-27 303 e33886b38cc82a Peter Zijlstra 2015-07-24 304 static inline void static_key_enable(struct static_key *key) e33886b38cc82a Peter Zijlstra 2015-07-24 305 { 5cdda5117e125e Borislav Petkov 2017-10-18 306 STATIC_KEY_CHECK_USE(key); e33886b38cc82a Peter Zijlstra 2015-07-24 307 1dbb6704de91b1 Paolo Bonzini 2017-08-01 308 if (atomic_read(&key->enabled) != 0) { 1dbb6704de91b1 Paolo Bonzini 2017-08-01 @309 WARN_ON_ONCE(atomic_read(&key->enabled) != 1); 1dbb6704de91b1 Paolo Bonzini 2017-08-01 310 return; 1dbb6704de91b1 Paolo Bonzini 2017-08-01 311 } 1dbb6704de91b1 Paolo Bonzini 2017-08-01 312 atomic_set(&key->enabled, 1); e33886b38cc82a Peter Zijlstra 2015-07-24 313 } e33886b38cc82a Peter Zijlstra 2015-07-24 314 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org