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: i386-tinyconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # 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 make W=1 W=1 ARCH=i386 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 include/linux/once.h:6, from include/asm-generic/bug.h:7, from arch/x86/include/asm/bug.h:93, from include/linux/bug.h:5, from include/linux/page-flags.h:10, from kernel/bounds.c:10: include/linux/jump_label.h: In function 'static_key_slow_inc': >> include/linux/jump_label.h:81:35: error: implicit declaration of function 'WARN' [-Werror=implicit-function-declaration] 81 | #define STATIC_KEY_CHECK_USE(key) WARN(!static_key_initialized, \ | ^~~~ include/linux/jump_label.h:278:2: note: in expansion of macro 'STATIC_KEY_CHECK_USE' 278 | STATIC_KEY_CHECK_USE(key); | ^~~~~~~~~~~~~~~~~~~~ In file included from include/linux/once.h:6, from include/asm-generic/bug.h:7, from arch/x86/include/asm/bug.h:93, from include/linux/bug.h:5, from include/linux/page-flags.h:10, from kernel/bounds.c:10: include/linux/jump_label.h: In function 'static_key_enable': >> include/linux/jump_label.h:309:3: error: implicit declaration of function 'WARN_ON_ONCE' [-Werror=implicit-function-declaration] 309 | WARN_ON_ONCE(atomic_read(&key->enabled) != 1); | ^~~~~~~~~~~~ cc1: some warnings being treated as errors -- In file included from include/linux/once.h:6, from include/asm-generic/bug.h:7, from arch/x86/include/asm/bug.h:93, from include/linux/bug.h:5, from include/linux/page-flags.h:10, from kernel/bounds.c:10: include/linux/jump_label.h: In function 'static_key_slow_inc': >> include/linux/jump_label.h:81:35: error: implicit declaration of function 'WARN' [-Werror=implicit-function-declaration] 81 | #define STATIC_KEY_CHECK_USE(key) WARN(!static_key_initialized, \ | ^~~~ include/linux/jump_label.h:278:2: note: in expansion of macro 'STATIC_KEY_CHECK_USE' 278 | STATIC_KEY_CHECK_USE(key); | ^~~~~~~~~~~~~~~~~~~~ In file included from include/linux/once.h:6, from include/asm-generic/bug.h:7, from arch/x86/include/asm/bug.h:93, from include/linux/bug.h:5, from include/linux/page-flags.h:10, from kernel/bounds.c:10: include/linux/jump_label.h: In function 'static_key_enable': >> include/linux/jump_label.h:309:3: error: implicit declaration of function 'WARN_ON_ONCE' [-Werror=implicit-function-declaration] 309 | WARN_ON_ONCE(atomic_read(&key->enabled) != 1); | ^~~~~~~~~~~~ cc1: some warnings being treated as errors 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