Hi André, kernel test robot noticed the following build errors: [auto build test ERROR on tip/locking/core] [also build test ERROR on linus/master v6.11-rc5 next-20240830] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Andr-Almeida/selftests-futex-Create-test-for-robust-list/20240830-023631 base: tip/locking/core patch link: https://lore.kernel.org/r/20240829183509.446934-1-andrealmeid%40igalia.com patch subject: [PATCH] selftests/futex: Create test for robust list :::::: branch date: 2 days ago :::::: commit date: 2 days ago compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240831/202408311654.Me6a2xuF-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/r/202408311654.Me6a2xuF-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> robust_list.c:53:17: error: use of undeclared identifier 'SYS_futex_wait'; did you mean 'futex_wait'? 53 | return syscall(SYS_futex_wait, futex, val, ~0U, FUTEX2_SIZE_U32, timo, CLOCK_MONOTONIC); | ^~~~~~~~~~~~~~ | futex_wait ../include/futextest.h:78:1: note: 'futex_wait' declared here 78 | futex_wait(futex_t *uaddr, futex_t val, struct timespec *timeout, int opflags) | ^ >> robust_list.c:121:6: error: address argument to atomic operation must be a pointer to _Atomic type ('int *' invalid) 121 | if (atomic_compare_exchange_strong(futex, &zero, tid)) { | ^ ~~~~~ /opt/cross/clang-617a15a9ea/lib/clang/18/include/stdatomic.h:144:67: note: expanded from macro 'atomic_compare_exchange_strong' 144 | #define atomic_compare_exchange_strong(object, expected, desired) __c11_atomic_compare_exchange_strong(object, expected, desired, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST) | ^ ~~~~~~ robust_list.c:147:9: error: address argument to atomic operation must be a pointer to _Atomic type ('int *' invalid) 147 | tid = atomic_load(futex); | ^ ~~~~~ /opt/cross/clang-617a15a9ea/lib/clang/18/include/stdatomic.h:138:29: note: expanded from macro 'atomic_load' 138 | #define atomic_load(object) __c11_atomic_load(object, __ATOMIC_SEQ_CST) | ^ ~~~~~~ robust_list.c:150:3: error: address argument to atomic operation must be a pointer to _Atomic type ('int *' invalid) 150 | atomic_store(futex, tid); | ^ ~~~~~ /opt/cross/clang-617a15a9ea/lib/clang/18/include/stdatomic.h:135:39: note: expanded from macro 'atomic_store' 135 | #define atomic_store(object, desired) __c11_atomic_store(object, desired, __ATOMIC_SEQ_CST) | ^ ~~~~~~ 4 errors generated. vim +53 tools/testing/selftests/futex/functional/robust_list.c 3306ef10715f1b André Almeida 2024-08-29 50 3306ef10715f1b André Almeida 2024-08-29 51 int futex2_wait(void *futex, int val, struct timespec *timo) 3306ef10715f1b André Almeida 2024-08-29 52 { 3306ef10715f1b André Almeida 2024-08-29 @53 return syscall(SYS_futex_wait, futex, val, ~0U, FUTEX2_SIZE_U32, timo, CLOCK_MONOTONIC); 3306ef10715f1b André Almeida 2024-08-29 54 } 3306ef10715f1b André Almeida 2024-08-29 55 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki