tree: git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git sched/headers head: 4c707c1c0de83967079b4e385012fa5b00e2cd11 commit: 882f8a5202090503bd884d578674fd1da9a404ff [2376/2384] headers/deps: Introduce the CONFIG_FAST_HEADERS=y config option config: arm64-buildonly-randconfig-r005-20220124 (https://download.01.org/0day-ci/archive/20220124/202201242026.CrtQ9uF8-lk...) compiler: aarch64-linux-gcc (GCC) 11.2.0 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 # https://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git/commit/?id=... git remote add mingo-tip git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git git fetch --no-tags mingo-tip sched/headers git checkout 882f8a5202090503bd884d578674fd1da9a404ff # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm64 prepare If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): In file included from <command-line>: arch/arm64/include/asm/preempt.h: In function 'preempt_count': include/linux/thread_info.h:28:32: error: implicit declaration of function 'task_thread_info'; did you mean 'task_thread'? [-Werror=implicit-function-declaration] 28 | # define current_thread_info() task_thread_info(current) | ^~~~~~~~~~~~~~~~ include/linux/compiler_types.h:315:23: note: in definition of macro '__compiletime_assert' 315 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler_types.h:335:9: note: in expansion of macro '_compiletime_assert' 335 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:28: note: in expansion of macro '__native_word' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~ include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type' 49 | compiletime_assert_rwonce_type(x); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/arm64/include/asm/preempt.h:13:16: note: in expansion of macro 'READ_ONCE' 13 | return READ_ONCE(current_thread_info()->preempt.count); | ^~~~~~~~~ arch/arm64/include/asm/preempt.h:13:26: note: in expansion of macro 'current_thread_info' 13 | return READ_ONCE(current_thread_info()->preempt.count); | ^~~~~~~~~~~~~~~~~~~ 13 | return READ_ONCE(current_thread_info()->preempt.count); | ^~ include/linux/compiler_types.h:315:23: note: in definition of macro '__compiletime_assert' 315 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler_types.h:335:9: note: in expansion of macro '_compiletime_assert' 335 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:28: note: in expansion of macro '__native_word' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~ include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type' 49 | compiletime_assert_rwonce_type(x); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/arm64/include/asm/preempt.h:13:16: note: in expansion of macro 'READ_ONCE' 13 | return READ_ONCE(current_thread_info()->preempt.count); | ^~~~~~~~~ 13 | return READ_ONCE(current_thread_info()->preempt.count); | ^~ include/linux/compiler_types.h:315:23: note: in definition of macro '__compiletime_assert' 315 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler_types.h:335:9: note: in expansion of macro '_compiletime_assert' 335 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:28: note: in expansion of macro '__native_word' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~ include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type' 49 | compiletime_assert_rwonce_type(x); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/arm64/include/asm/preempt.h:13:16: note: in expansion of macro 'READ_ONCE' 13 | return READ_ONCE(current_thread_info()->preempt.count); | ^~~~~~~~~ 13 | return READ_ONCE(current_thread_info()->preempt.count); | ^~ include/linux/compiler_types.h:315:23: note: in definition of macro '__compiletime_assert' 315 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler_types.h:335:9: note: in expansion of macro '_compiletime_assert' 335 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:28: note: in expansion of macro '__native_word' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~ include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type' 49 | compiletime_assert_rwonce_type(x); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/arm64/include/asm/preempt.h:13:16: note: in expansion of macro 'READ_ONCE' 13 | return READ_ONCE(current_thread_info()->preempt.count); | ^~~~~~~~~ 13 | return READ_ONCE(current_thread_info()->preempt.count); | ^~ include/linux/compiler_types.h:315:23: note: in definition of macro '__compiletime_assert' 315 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler_types.h:335:9: note: in expansion of macro '_compiletime_assert' 335 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:28: note: in expansion of macro '__native_word' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~ include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type' 49 | compiletime_assert_rwonce_type(x); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/arm64/include/asm/preempt.h:13:16: note: in expansion of macro 'READ_ONCE' 13 | return READ_ONCE(current_thread_info()->preempt.count); | ^~~~~~~~~ 13 | return READ_ONCE(current_thread_info()->preempt.count); | ^~ include/linux/compiler_types.h:315:23: note: in definition of macro '__compiletime_assert' 315 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler_types.h:335:9: note: in expansion of macro '_compiletime_assert' 335 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type' 49 | compiletime_assert_rwonce_type(x); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/arm64/include/asm/preempt.h:13:16: note: in expansion of macro 'READ_ONCE' 13 | return READ_ONCE(current_thread_info()->preempt.count); | ^~~~~~~~~ 13 | return READ_ONCE(current_thread_info()->preempt.count); | ^~ include/linux/compiler_types.h:291:27: note: in definition of macro '__unqual_scalar_typeof' 291 | _Generic((x), \ | ^ include/asm-generic/rwonce.h:50:9: note: in expansion of macro '__READ_ONCE' 50 | __READ_ONCE(x); \ | ^~~~~~~~~~~ arch/arm64/include/asm/preempt.h:13:16: note: in expansion of macro 'READ_ONCE' 13 | return READ_ONCE(current_thread_info()->preempt.count); | ^~~~~~~~~ In file included from arch/arm64/include/asm/rwonce.h:71, from include/linux/compiler.h:263, from include/asm-generic/bug.h:5, from arch/arm64/include/asm/bug.h:26, from include/linux/bug.h:5, from include/linux/thread_info.h:15, from include/linux/sched.h:2, from arch/arm64/kernel/../../../kernel/sched/per_task_area_struct.h:7, from arch/arm64/kernel/asm-offsets.c:9: 13 | return READ_ONCE(current_thread_info()->preempt.count); | ^~ include/asm-generic/rwonce.h:44:73: note: in definition of macro '__READ_ONCE' 44 | #define __READ_ONCE(x) (*(const volatile __unqual_scalar_typeof(x) *)&(x)) | ^ arch/arm64/include/asm/preempt.h:13:16: note: in expansion of macro 'READ_ONCE' 13 | return READ_ONCE(current_thread_info()->preempt.count); | ^~~~~~~~~ In file included from <command-line>: arch/arm64/include/asm/preempt.h: In function 'preempt_count_set': arch/arm64/include/asm/preempt.h:19:41: error: invalid type argument of '->' (have 'int') 19 | WRITE_ONCE(current_thread_info()->preempt.count, pc); | ^~ include/linux/compiler_types.h:315:23: note: in definition of macro '__compiletime_assert' 315 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler_types.h:335:9: note: in expansion of macro '_compiletime_assert' 335 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:28: note: in expansion of macro '__native_word' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~ include/asm-generic/rwonce.h:60:9: note: in expansion of macro 'compiletime_assert_rwonce_type' 60 | compiletime_assert_rwonce_type(x); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/arm64/include/asm/preempt.h:19:9: note: in expansion of macro 'WRITE_ONCE' 19 | WRITE_ONCE(current_thread_info()->preempt.count, pc); | ^~~~~~~~~~ arch/arm64/include/asm/preempt.h:19:41: error: invalid type argument of '->' (have 'int') 19 | WRITE_ONCE(current_thread_info()->preempt.count, pc); | ^~ include/linux/compiler_types.h:315:23: note: in definition of macro '__compiletime_assert' 315 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler_types.h:335:9: note: in expansion of macro '_compiletime_assert' 335 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:28: note: in expansion of macro '__native_word' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~ include/asm-generic/rwonce.h:60:9: note: in expansion of macro 'compiletime_assert_rwonce_type' 60 | compiletime_assert_rwonce_type(x); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/arm64/include/asm/preempt.h:19:9: note: in expansion of macro 'WRITE_ONCE' 19 | WRITE_ONCE(current_thread_info()->preempt.count, pc); | ^~~~~~~~~~ arch/arm64/include/asm/preempt.h:19:41: error: invalid type argument of '->' (have 'int') 19 | WRITE_ONCE(current_thread_info()->preempt.count, pc); | ^~ include/linux/compiler_types.h:315:23: note: in definition of macro '__compiletime_assert' 315 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler_types.h:335:9: note: in expansion of macro '_compiletime_assert' 335 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:28: note: in expansion of macro '__native_word' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~ include/asm-generic/rwonce.h:60:9: note: in expansion of macro 'compiletime_assert_rwonce_type' 60 | compiletime_assert_rwonce_type(x); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/arm64/include/asm/preempt.h:19:9: note: in expansion of macro 'WRITE_ONCE' 19 | WRITE_ONCE(current_thread_info()->preempt.count, pc); | ^~~~~~~~~~ arch/arm64/include/asm/preempt.h:19:41: error: invalid type argument of '->' (have 'int') 19 | WRITE_ONCE(current_thread_info()->preempt.count, pc); | ^~ include/linux/compiler_types.h:315:23: note: in definition of macro '__compiletime_assert' 315 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler_types.h:335:9: note: in expansion of macro '_compiletime_assert' 335 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:28: note: in expansion of macro '__native_word' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~ include/asm-generic/rwonce.h:60:9: note: in expansion of macro 'compiletime_assert_rwonce_type' 60 | compiletime_assert_rwonce_type(x); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/arm64/include/asm/preempt.h:19:9: note: in expansion of macro 'WRITE_ONCE' 19 | WRITE_ONCE(current_thread_info()->preempt.count, pc); | ^~~~~~~~~~ arch/arm64/include/asm/preempt.h:19:41: error: invalid type argument of '->' (have 'int') 19 | WRITE_ONCE(current_thread_info()->preempt.count, pc); | ^~ include/linux/compiler_types.h:315:23: note: in definition of macro '__compiletime_assert' 315 | if (!(condition)) \ | ^~~~~~~~~ vim +13 arch/arm64/include/asm/preempt.h 396244692232fc Will Deacon 2018-09-20 10 396244692232fc Will Deacon 2018-09-20 11 static inline int preempt_count(void) 396244692232fc Will Deacon 2018-09-20 12 { 396244692232fc Will Deacon 2018-09-20 @13 return READ_ONCE(current_thread_info()->preempt.count); 396244692232fc Will Deacon 2018-09-20 14 } 396244692232fc Will Deacon 2018-09-20 15 :::::: The code at line 13 was first introduced by commit :::::: 396244692232fcf0881cb6ba2404be2906f47681 arm64: preempt: Provide our own implementation of asm/preempt.h :::::: TO: Will Deacon <will.deacon(a)arm.com&gt; :::::: CC: Will Deacon <will.deacon(a)arm.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org