Hi Peilin, kernel test robot noticed the following build errors: [auto build test ERROR on bpf-next/master] url: https://github.com/intel-lab-lkp/linux/commits/Peilin-Ye/bpf-verifier-Factor-out-atomic_ptr_type_ok/20250303-134110 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master patch link: https://lore.kernel.org/r/2c82b29f3530b961b41f94a4942e490ab35a31c8.1740978603.git.yepeilin%40google.com patch subject: [PATCH bpf-next v4 04/10] bpf: Introduce load-acquire and store-release instructions config: arc-randconfig-002-20250303 (https://download.01.org/0day-ci/archive/20250303/202503031631.OeUhVRHz-lkp@xxxxxxxxx/config) compiler: arc-elf-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250303/202503031631.OeUhVRHz-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202503031631.OeUhVRHz-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from <command-line>: kernel/bpf/core.c: In function '___bpf_prog_run': >> include/linux/compiler_types.h:542:45: error: call to '__compiletime_assert_459' declared with attribute error: Need native word sized stores/loads for atomicity. 542 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^ include/linux/compiler_types.h:523:25: note: in definition of macro '__compiletime_assert' 523 | prefix ## suffix(); \ | ^~~~~~ include/linux/compiler_types.h:542:9: note: in expansion of macro '_compiletime_assert' 542 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:545:9: note: in expansion of macro 'compiletime_assert' 545 | compiletime_assert(__native_word(t), \ | ^~~~~~~~~~~~~~~~~~ include/asm-generic/barrier.h:151:9: note: in expansion of macro 'compiletime_assert_atomic_type' 151 | compiletime_assert_atomic_type(*p); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/barrier.h:176:29: note: in expansion of macro '__smp_load_acquire' 176 | #define smp_load_acquire(p) __smp_load_acquire(p) | ^~~~~~~~~~~~~~~~~~ kernel/bpf/core.c:2222:45: note: in expansion of macro 'smp_load_acquire' 2222 | DST = (SIZE)smp_load_acquire( \ | ^~~~~~~~~~~~~~~~ kernel/bpf/core.c:2228:25: note: in expansion of macro 'LOAD_ACQUIRE' 2228 | LOAD_ACQUIRE(DW, u64) | ^~~~~~~~~~~~ include/linux/compiler_types.h:542:45: error: call to '__compiletime_assert_466' declared with attribute error: Need native word sized stores/loads for atomicity. 542 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^ include/linux/compiler_types.h:523:25: note: in definition of macro '__compiletime_assert' 523 | prefix ## suffix(); \ | ^~~~~~ include/linux/compiler_types.h:542:9: note: in expansion of macro '_compiletime_assert' 542 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:545:9: note: in expansion of macro 'compiletime_assert' 545 | compiletime_assert(__native_word(t), \ | ^~~~~~~~~~~~~~~~~~ include/asm-generic/barrier.h:141:9: note: in expansion of macro 'compiletime_assert_atomic_type' 141 | compiletime_assert_atomic_type(*p); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/barrier.h:172:55: note: in expansion of macro '__smp_store_release' 172 | #define smp_store_release(p, v) do { kcsan_release(); __smp_store_release(p, v); } while (0) | ^~~~~~~~~~~~~~~~~~~ kernel/bpf/core.c:2238:33: note: in expansion of macro 'smp_store_release' 2238 | smp_store_release( \ | ^~~~~~~~~~~~~~~~~ kernel/bpf/core.c:2244:25: note: in expansion of macro 'STORE_RELEASE' 2244 | STORE_RELEASE(DW, u64) | ^~~~~~~~~~~~~ vim +/__compiletime_assert_459 +542 include/linux/compiler_types.h eb5c2d4b45e3d2 Will Deacon 2020-07-21 528 eb5c2d4b45e3d2 Will Deacon 2020-07-21 529 #define _compiletime_assert(condition, msg, prefix, suffix) \ eb5c2d4b45e3d2 Will Deacon 2020-07-21 530 __compiletime_assert(condition, msg, prefix, suffix) eb5c2d4b45e3d2 Will Deacon 2020-07-21 531 eb5c2d4b45e3d2 Will Deacon 2020-07-21 532 /** eb5c2d4b45e3d2 Will Deacon 2020-07-21 533 * compiletime_assert - break build and emit msg if condition is false eb5c2d4b45e3d2 Will Deacon 2020-07-21 534 * @condition: a compile-time constant condition to check eb5c2d4b45e3d2 Will Deacon 2020-07-21 535 * @msg: a message to emit if condition is false eb5c2d4b45e3d2 Will Deacon 2020-07-21 536 * eb5c2d4b45e3d2 Will Deacon 2020-07-21 537 * In tradition of POSIX assert, this macro will break the build if the eb5c2d4b45e3d2 Will Deacon 2020-07-21 538 * supplied condition is *false*, emitting the supplied error message if the eb5c2d4b45e3d2 Will Deacon 2020-07-21 539 * compiler has support to do so. eb5c2d4b45e3d2 Will Deacon 2020-07-21 540 */ eb5c2d4b45e3d2 Will Deacon 2020-07-21 541 #define compiletime_assert(condition, msg) \ eb5c2d4b45e3d2 Will Deacon 2020-07-21 @542 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) eb5c2d4b45e3d2 Will Deacon 2020-07-21 543 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
