Hi Andy, I love your patch! Yet something to improve: [auto build test ERROR on tip/locking/core] [also build test ERROR on media-tree/master linux/master linus/master v5.15-rc5 next-20211013] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Andy-Shevchenko/kernel-h-further-split/20211014-010532 base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git dd0aa2cd2e9e3e49b8c3b43924dc1a1d4e22b4d1 config: um-x86_64_defconfig (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/4797f8ad0f7b6807a7af02543f77c0ee1b340537 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Andy-Shevchenko/kernel-h-further-split/20211014-010532 git checkout 4797f8ad0f7b6807a7af02543f77c0ee1b340537 # save the attached .config to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=um SUBARCH=x86_64 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 >>): arch/x86/um/Makefile:44: FORCE prerequisite is missing In file included from include/linux/rcupdate.h:28, from include/linux/rculist.h:11, from include/linux/pid.h:5, from include/linux/sched.h:14, from arch/x86/um/shared/sysdep/kernel-offsets.h:3, from arch/um/kernel/asm-offsets.c:1: include/linux/bottom_half.h: In function 'local_bh_disable': >> include/linux/bottom_half.h:19:24: error: '_THIS_IP_' undeclared (first use in this function) 19 | __local_bh_disable_ip(_THIS_IP_, SOFTIRQ_DISABLE_OFFSET); | ^~~~~~~~~ include/linux/bottom_half.h:19:24: note: each undeclared identifier is reported only once for each function it appears in include/linux/bottom_half.h: In function 'local_bh_enable': include/linux/bottom_half.h:32:23: error: '_THIS_IP_' undeclared (first use in this function) 32 | __local_bh_enable_ip(_THIS_IP_, SOFTIRQ_DISABLE_OFFSET); | ^~~~~~~~~ In file included from arch/um/kernel/asm-offsets.c:1: arch/x86/um/shared/sysdep/kernel-offsets.h: At top level: arch/x86/um/shared/sysdep/kernel-offsets.h:9:6: warning: no previous prototype for 'foo' [-Wmissing-prototypes] 9 | void foo(void) | ^~~ make[2]: *** [scripts/Makefile.build:121: arch/um/kernel/asm-offsets.s] Error 1 make[2]: Target '__build' not remade because of errors. make[1]: *** [Makefile:1225: prepare0] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:219: __sub-make] Error 2 make: Target 'prepare' not remade because of errors. vim +/_THIS_IP_ +19 include/linux/bottom_half.h 0bd3a173d71185 Peter Zijlstra 2013-11-19 16 0bd3a173d71185 Peter Zijlstra 2013-11-19 17 static inline void local_bh_disable(void) 0bd3a173d71185 Peter Zijlstra 2013-11-19 18 { 0bd3a173d71185 Peter Zijlstra 2013-11-19 @19 __local_bh_disable_ip(_THIS_IP_, SOFTIRQ_DISABLE_OFFSET); 0bd3a173d71185 Peter Zijlstra 2013-11-19 20 } 0bd3a173d71185 Peter Zijlstra 2013-11-19 21 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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