Hi Ingo, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git tmp.tmp2 head: adcceb5eb7aee38e4a9c15bdf599655f0e1b1324 commit: 3d4d54f073ba51554acd0fc3999027a4e2ee636a [101/364] sched/headers: Remove from config: riscv-randconfig-r016-20210613 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project d2012d965d60c3258b3a69d024491698f8aec386) 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 riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=3d4d54f073ba51554acd0fc3999027a4e2ee636a git remote add tip https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git git fetch --no-tags tip tmp.tmp2 git checkout 3d4d54f073ba51554acd0fc3999027a4e2ee636a # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ ^ include/linux/compiler_types.h:328:22: note: expanded from macro 'compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ^~~~~~~~~ include/linux/compiler_types.h:316:23: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ^~~~~~~~~ include/linux/compiler_types.h:308:9: note: expanded from macro '__compiletime_assert' if (!(condition)) \ ^~~~~~~~~ In file included from arch/riscv/kernel/asm-offsets.c:10: In file included from include/linux/sched.h:19: In file included from include/linux/mutex.h:19: In file included from include/linux/lockdep.h:14: In file included from include/linux/smp.h:110: In file included from include/linux/preempt.h:80: In file included from ./arch/riscv/include/generated/asm/preempt.h:1: include/asm-generic/preempt.h:11:19: error: implicit declaration of function 'current_thread_info' [-Werror,-Wimplicit-function-declaration] return READ_ONCE(current_thread_info()->preempt_count); ^ include/asm-generic/preempt.h:11:42: error: member reference type 'int' is not a pointer return READ_ONCE(current_thread_info()->preempt_count); ~~~~~~~~~~~~~~~~~~~~~ ^ include/asm-generic/rwonce.h:50:14: note: expanded from macro 'READ_ONCE' __READ_ONCE(x); \ ^ include/asm-generic/rwonce.h:44:65: note: expanded from macro '__READ_ONCE' #define __READ_ONCE(x) (*(const volatile __unqual_scalar_typeof(x) *)&(x)) ^ include/linux/compiler_types.h:279:13: note: expanded from macro '__unqual_scalar_typeof' _Generic((x), \ ^ In file included from arch/riscv/kernel/asm-offsets.c:10: In file included from include/linux/sched.h:19: In file included from include/linux/mutex.h:19: In file included from include/linux/lockdep.h:14: In file included from include/linux/smp.h:110: In file included from include/linux/preempt.h:80: In file included from ./arch/riscv/include/generated/asm/preempt.h:1: include/asm-generic/preempt.h:11:42: error: member reference type 'int' is not a pointer return READ_ONCE(current_thread_info()->preempt_count); ~~~~~~~~~~~~~~~~~~~~~ ^ include/asm-generic/rwonce.h:50:14: note: expanded from macro 'READ_ONCE' __READ_ONCE(x); \ ^ include/asm-generic/rwonce.h:44:65: note: expanded from macro '__READ_ONCE' #define __READ_ONCE(x) (*(const volatile __unqual_scalar_typeof(x) *)&(x)) ^ include/linux/compiler_types.h:286:15: note: expanded from macro '__unqual_scalar_typeof' default: (x))) ^ In file included from arch/riscv/kernel/asm-offsets.c:10: In file included from include/linux/sched.h:19: In file included from include/linux/mutex.h:19: In file included from include/linux/lockdep.h:14: In file included from include/linux/smp.h:110: In file included from include/linux/preempt.h:80: In file included from ./arch/riscv/include/generated/asm/preempt.h:1: include/asm-generic/preempt.h:11:42: error: member reference type 'int' is not a pointer return READ_ONCE(current_thread_info()->preempt_count); ~~~~~~~~~~~~~~~~~~~~~ ^ include/asm-generic/rwonce.h:50:14: note: expanded from macro 'READ_ONCE' __READ_ONCE(x); \ ^ include/asm-generic/rwonce.h:44:72: note: expanded from macro '__READ_ONCE' #define __READ_ONCE(x) (*(const volatile __unqual_scalar_typeof(x) *)&(x)) ^ In file included from arch/riscv/kernel/asm-offsets.c:10: In file included from include/linux/sched.h:19: In file included from include/linux/mutex.h:19: In file included from include/linux/lockdep.h:14: In file included from include/linux/smp.h:110: In file included from include/linux/preempt.h:80: In file included from ./arch/riscv/include/generated/asm/preempt.h:1: include/asm-generic/preempt.h:11:9: error: returning 'void' from a function with incompatible result type 'int' return READ_ONCE(current_thread_info()->preempt_count); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:47:28: note: expanded from macro 'READ_ONCE' #define READ_ONCE(x) \ ^ In file included from arch/riscv/kernel/asm-offsets.c:10: In file included from include/linux/sched.h:19: In file included from include/linux/mutex.h:19: In file included from include/linux/lockdep.h:14: In file included from include/linux/smp.h:110: In file included from include/linux/preempt.h:80: In file included from ./arch/riscv/include/generated/asm/preempt.h:1: include/asm-generic/preempt.h:16:10: error: implicit declaration of function 'current_thread_info' [-Werror,-Wimplicit-function-declaration] return ¤t_thread_info()->preempt_count; ^ include/asm-generic/preempt.h:16:33: error: member reference type 'int' is not a pointer return ¤t_thread_info()->preempt_count; ~~~~~~~~~~~~~~~~~~~~~ ^ include/asm-generic/preempt.h:69:36: error: implicit declaration of function 'tif_need_resched' [-Werror,-Wimplicit-function-declaration] return !--*preempt_count_ptr() && tif_need_resched(); ^ include/asm-generic/preempt.h:78:4: error: implicit declaration of function 'tif_need_resched' [-Werror,-Wimplicit-function-declaration] tif_need_resched()); ^ >> arch/riscv/kernel/asm-offsets.c:18:2: error: no member named 'thread' in 'task_struct' OFFSET(TASK_THREAD_RA, task_struct, thread.ra); ^ ~~~~~~ include/linux/kbuild.h:11:14: note: expanded from macro 'OFFSET' DEFINE(sym, offsetof(struct str, mem)) ^ ~~~ include/linux/stddef.h:17:32: note: expanded from macro 'offsetof' #define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER) ^ ~~~~~~ include/linux/compiler_types.h:140:35: note: expanded from macro '__compiler_offsetof' #define __compiler_offsetof(a, b) __builtin_offsetof(a, b) ^ ~ include/linux/kbuild.h:6:62: note: expanded from macro 'DEFINE' asm volatile("\n.ascii \"->" #sym " %0 " #val "\"" : : "i" (val)) ^~~ arch/riscv/kernel/asm-offsets.c:19:2: error: no member named 'thread' in 'task_struct' OFFSET(TASK_THREAD_SP, task_struct, thread.sp); ^ ~~~~~~ include/linux/kbuild.h:11:14: note: expanded from macro 'OFFSET' DEFINE(sym, offsetof(struct str, mem)) ^ ~~~ include/linux/stddef.h:17:32: note: expanded from macro 'offsetof' #define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER) ^ ~~~~~~ include/linux/compiler_types.h:140:35: note: expanded from macro '__compiler_offsetof' #define __compiler_offsetof(a, b) __builtin_offsetof(a, b) ^ ~ include/linux/kbuild.h:6:62: note: expanded from macro 'DEFINE' asm volatile("\n.ascii \"->" #sym " %0 " #val "\"" : : "i" (val)) ^~~ arch/riscv/kernel/asm-offsets.c:20:2: error: no member named 'thread' in 'task_struct' OFFSET(TASK_THREAD_S0, task_struct, thread.s[0]); ^ ~~~~~~ include/linux/kbuild.h:11:14: note: expanded from macro 'OFFSET' DEFINE(sym, offsetof(struct str, mem)) ^ ~~~ include/linux/stddef.h:17:32: note: expanded from macro 'offsetof' #define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER) ^ ~~~~~~ include/linux/compiler_types.h:140:35: note: expanded from macro '__compiler_offsetof' #define __compiler_offsetof(a, b) __builtin_offsetof(a, b) ^ ~ include/linux/kbuild.h:6:62: note: expanded from macro 'DEFINE' asm volatile("\n.ascii \"->" #sym " %0 " #val "\"" : : "i" (val)) ^~~ arch/riscv/kernel/asm-offsets.c:21:2: error: no member named 'thread' in 'task_struct' OFFSET(TASK_THREAD_S1, task_struct, thread.s[1]); ^ ~~~~~~ include/linux/kbuild.h:11:14: note: expanded from macro 'OFFSET' DEFINE(sym, offsetof(struct str, mem)) ^ ~~~ include/linux/stddef.h:17:32: note: expanded from macro 'offsetof' #define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER) ^ ~~~~~~ include/linux/compiler_types.h:140:35: note: expanded from macro '__compiler_offsetof' #define __compiler_offsetof(a, b) __builtin_offsetof(a, b) ^ ~ include/linux/kbuild.h:6:62: note: expanded from macro 'DEFINE' asm volatile("\n.ascii \"->" #sym " %0 " #val "\"" : : "i" (val)) ^~~ fatal error: too many errors emitted, stopping now [-ferror-limit=] 20 errors generated. -- compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ ^ include/linux/compiler_types.h:328:22: note: expanded from macro 'compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ^~~~~~~~~ include/linux/compiler_types.h:316:23: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ^~~~~~~~~ include/linux/compiler_types.h:308:9: note: expanded from macro '__compiletime_assert' if (!(condition)) \ ^~~~~~~~~ In file included from arch/riscv/kernel/asm-offsets.c:10: In file included from include/linux/sched.h:19: In file included from include/linux/mutex.h:19: In file included from include/linux/lockdep.h:14: In file included from include/linux/smp.h:110: In file included from include/linux/preempt.h:80: In file included from ./arch/riscv/include/generated/asm/preempt.h:1: include/asm-generic/preempt.h:11:19: error: implicit declaration of function 'current_thread_info' [-Werror,-Wimplicit-function-declaration] return READ_ONCE(current_thread_info()->preempt_count); ^ include/asm-generic/preempt.h:11:42: error: member reference type 'int' is not a pointer return READ_ONCE(current_thread_info()->preempt_count); ~~~~~~~~~~~~~~~~~~~~~ ^ include/asm-generic/rwonce.h:50:14: note: expanded from macro 'READ_ONCE' __READ_ONCE(x); \ ^ include/asm-generic/rwonce.h:44:65: note: expanded from macro '__READ_ONCE' #define __READ_ONCE(x) (*(const volatile __unqual_scalar_typeof(x) *)&(x)) ^ include/linux/compiler_types.h:279:13: note: expanded from macro '__unqual_scalar_typeof' _Generic((x), \ ^ In file included from arch/riscv/kernel/asm-offsets.c:10: In file included from include/linux/sched.h:19: In file included from include/linux/mutex.h:19: In file included from include/linux/lockdep.h:14: In file included from include/linux/smp.h:110: In file included from include/linux/preempt.h:80: In file included from ./arch/riscv/include/generated/asm/preempt.h:1: include/asm-generic/preempt.h:11:42: error: member reference type 'int' is not a pointer return READ_ONCE(current_thread_info()->preempt_count); ~~~~~~~~~~~~~~~~~~~~~ ^ include/asm-generic/rwonce.h:50:14: note: expanded from macro 'READ_ONCE' __READ_ONCE(x); \ ^ include/asm-generic/rwonce.h:44:65: note: expanded from macro '__READ_ONCE' #define __READ_ONCE(x) (*(const volatile __unqual_scalar_typeof(x) *)&(x)) ^ include/linux/compiler_types.h:286:15: note: expanded from macro '__unqual_scalar_typeof' default: (x))) ^ In file included from arch/riscv/kernel/asm-offsets.c:10: In file included from include/linux/sched.h:19: In file included from include/linux/mutex.h:19: In file included from include/linux/lockdep.h:14: In file included from include/linux/smp.h:110: In file included from include/linux/preempt.h:80: In file included from ./arch/riscv/include/generated/asm/preempt.h:1: include/asm-generic/preempt.h:11:42: error: member reference type 'int' is not a pointer return READ_ONCE(current_thread_info()->preempt_count); ~~~~~~~~~~~~~~~~~~~~~ ^ include/asm-generic/rwonce.h:50:14: note: expanded from macro 'READ_ONCE' __READ_ONCE(x); \ ^ include/asm-generic/rwonce.h:44:72: note: expanded from macro '__READ_ONCE' #define __READ_ONCE(x) (*(const volatile __unqual_scalar_typeof(x) *)&(x)) ^ In file included from arch/riscv/kernel/asm-offsets.c:10: In file included from include/linux/sched.h:19: In file included from include/linux/mutex.h:19: In file included from include/linux/lockdep.h:14: In file included from include/linux/smp.h:110: In file included from include/linux/preempt.h:80: In file included from ./arch/riscv/include/generated/asm/preempt.h:1: include/asm-generic/preempt.h:11:9: error: returning 'void' from a function with incompatible result type 'int' return READ_ONCE(current_thread_info()->preempt_count); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:47:28: note: expanded from macro 'READ_ONCE' #define READ_ONCE(x) \ ^ In file included from arch/riscv/kernel/asm-offsets.c:10: In file included from include/linux/sched.h:19: In file included from include/linux/mutex.h:19: In file included from include/linux/lockdep.h:14: In file included from include/linux/smp.h:110: In file included from include/linux/preempt.h:80: In file included from ./arch/riscv/include/generated/asm/preempt.h:1: include/asm-generic/preempt.h:16:10: error: implicit declaration of function 'current_thread_info' [-Werror,-Wimplicit-function-declaration] return ¤t_thread_info()->preempt_count; ^ include/asm-generic/preempt.h:16:33: error: member reference type 'int' is not a pointer return ¤t_thread_info()->preempt_count; ~~~~~~~~~~~~~~~~~~~~~ ^ include/asm-generic/preempt.h:69:36: error: implicit declaration of function 'tif_need_resched' [-Werror,-Wimplicit-function-declaration] return !--*preempt_count_ptr() && tif_need_resched(); ^ include/asm-generic/preempt.h:78:4: error: implicit declaration of function 'tif_need_resched' [-Werror,-Wimplicit-function-declaration] tif_need_resched()); ^ >> arch/riscv/kernel/asm-offsets.c:18:2: error: no member named 'thread' in 'task_struct' OFFSET(TASK_THREAD_RA, task_struct, thread.ra); ^ ~~~~~~ include/linux/kbuild.h:11:14: note: expanded from macro 'OFFSET' DEFINE(sym, offsetof(struct str, mem)) ^ ~~~ include/linux/stddef.h:17:32: note: expanded from macro 'offsetof' #define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER) ^ ~~~~~~ include/linux/compiler_types.h:140:35: note: expanded from macro '__compiler_offsetof' #define __compiler_offsetof(a, b) __builtin_offsetof(a, b) ^ ~ include/linux/kbuild.h:6:62: note: expanded from macro 'DEFINE' asm volatile("\n.ascii \"->" #sym " %0 " #val "\"" : : "i" (val)) ^~~ arch/riscv/kernel/asm-offsets.c:19:2: error: no member named 'thread' in 'task_struct' OFFSET(TASK_THREAD_SP, task_struct, thread.sp); ^ ~~~~~~ include/linux/kbuild.h:11:14: note: expanded from macro 'OFFSET' DEFINE(sym, offsetof(struct str, mem)) ^ ~~~ include/linux/stddef.h:17:32: note: expanded from macro 'offsetof' #define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER) ^ ~~~~~~ include/linux/compiler_types.h:140:35: note: expanded from macro '__compiler_offsetof' #define __compiler_offsetof(a, b) __builtin_offsetof(a, b) ^ ~ include/linux/kbuild.h:6:62: note: expanded from macro 'DEFINE' asm volatile("\n.ascii \"->" #sym " %0 " #val "\"" : : "i" (val)) ^~~ arch/riscv/kernel/asm-offsets.c:20:2: error: no member named 'thread' in 'task_struct' OFFSET(TASK_THREAD_S0, task_struct, thread.s[0]); ^ ~~~~~~ include/linux/kbuild.h:11:14: note: expanded from macro 'OFFSET' DEFINE(sym, offsetof(struct str, mem)) ^ ~~~ include/linux/stddef.h:17:32: note: expanded from macro 'offsetof' #define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER) ^ ~~~~~~ include/linux/compiler_types.h:140:35: note: expanded from macro '__compiler_offsetof' #define __compiler_offsetof(a, b) __builtin_offsetof(a, b) ^ ~ include/linux/kbuild.h:6:62: note: expanded from macro 'DEFINE' asm volatile("\n.ascii \"->" #sym " %0 " #val "\"" : : "i" (val)) ^~~ arch/riscv/kernel/asm-offsets.c:21:2: error: no member named 'thread' in 'task_struct' OFFSET(TASK_THREAD_S1, task_struct, thread.s[1]); ^ ~~~~~~ include/linux/kbuild.h:11:14: note: expanded from macro 'OFFSET' DEFINE(sym, offsetof(struct str, mem)) ^ ~~~ include/linux/stddef.h:17:32: note: expanded from macro 'offsetof' #define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER) ^ ~~~~~~ include/linux/compiler_types.h:140:35: note: expanded from macro '__compiler_offsetof' #define __compiler_offsetof(a, b) __builtin_offsetof(a, b) ^ ~ include/linux/kbuild.h:6:62: note: expanded from macro 'DEFINE' asm volatile("\n.ascii \"->" #sym " %0 " #val "\"" : : "i" (val)) ^~~ fatal error: too many errors emitted, stopping now [-ferror-limit=] 20 errors generated. make[2]: *** [scripts/Makefile.build:117: arch/riscv/kernel/asm-offsets.s] Error 1 make[2]: Target '__build' not remade because of errors. make[1]: *** [Makefile:1232: 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 +18 arch/riscv/kernel/asm-offsets.c 3ae9c3cde51abc Souptick Joarder 2020-12-09 15 7db91e57a0acde Palmer Dabbelt 2017-07-10 16 void asm_offsets(void) 7db91e57a0acde Palmer Dabbelt 2017-07-10 17 { 7db91e57a0acde Palmer Dabbelt 2017-07-10 @18 OFFSET(TASK_THREAD_RA, task_struct, thread.ra); :::::: The code at line 18 was first introduced by commit :::::: 7db91e57a0acde126a162ababfb1e0ab190130cb RISC-V: Task implementation :::::: TO: Palmer Dabbelt :::::: CC: Palmer Dabbelt --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org