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 <redacted>

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,               \
                                     ^

quoted

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,               \
                                     ^

quoted

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  

---
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