[kbuild-all] [csky-linux:v5.12-rc4-riscv-atomic-arch-v2 4/5] lib/atomic64_test.c:58:9: error: implicit declaration of function 'atomic64_fetch_and_acquire'; did you mean 'atomic64_fetch_add_acquire'?

tree: https://github.com/c-sky/csky-linux v5.12-rc4-riscv-atomic-arch-v2 head: ba97cb573d12789863827bd2af6f3ccd6fdcaf19 commit: 088b40fee0c85e4837c2208142a4d8d4825395a5 [4/5] locking/atomics: Fixup GENERIC_ATOMIC64 conflict with atomic-arch-fallback.h config: arc-randconfig-r033-20210416 (attached as .config) compiler: arc-elf-gcc (GCC) 9.3.0 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://github.com/c-sky/csky-linux/commit/088b40fee0c85e4837c2208142a4d8... git remote add csky-linux https://github.com/c-sky/csky-linux git fetch --no-tags csky-linux v5.12-rc4-riscv-atomic-arch-v2 git checkout 088b40fee0c85e4837c2208142a4d8d4825395a5 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross W=1 ARCH=arc 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 include/linux/init.h:5, from lib/atomic64_test.c:10: lib/atomic64_test.c: In function 'test_atomic64': 49 | BUG_ON(atomic##bit##_##op(val, &v) != r); \ | ^~~~~~ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ lib/atomic64_test.c:49:2: note: in expansion of macro 'BUG_ON' 49 | BUG_ON(atomic##bit##_##op(val, &v) != r); \ | ^~~~~~ lib/atomic64_test.c:39:2: note: in expansion of macro 'TEST_RETURN' 39 | test(bit, op##_acquire, ##args); \ | ^~~~ lib/atomic64_test.c:64:2: note: in expansion of macro 'FAMILY_TEST' 64 | FAMILY_TEST(TEST_RETURN, bit, op, c_op, val); \ | ^~~~~~~~~~~ lib/atomic64_test.c:177:2: note: in expansion of macro 'RETURN_FAMILY_TEST' 177 | RETURN_FAMILY_TEST(64, sub_return, -=, onestwos); | ^~~~~~~~~~~~~~~~~~ 49 | BUG_ON(atomic##bit##_##op(val, &v) != r); \ | ^~~~~~ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ lib/atomic64_test.c:49:2: note: in expansion of macro 'BUG_ON' 49 | BUG_ON(atomic##bit##_##op(val, &v) != r); \ | ^~~~~~ lib/atomic64_test.c:40:2: note: in expansion of macro 'TEST_RETURN' 40 | test(bit, op##_release, ##args); \ | ^~~~ lib/atomic64_test.c:64:2: note: in expansion of macro 'FAMILY_TEST' 64 | FAMILY_TEST(TEST_RETURN, bit, op, c_op, val); \ | ^~~~~~~~~~~ lib/atomic64_test.c:177:2: note: in expansion of macro 'RETURN_FAMILY_TEST' 177 | RETURN_FAMILY_TEST(64, sub_return, -=, onestwos); | ^~~~~~~~~~~~~~~~~~ 49 | BUG_ON(atomic##bit##_##op(val, &v) != r); \ | ^~~~~~ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ lib/atomic64_test.c:49:2: note: in expansion of macro 'BUG_ON' 49 | BUG_ON(atomic##bit##_##op(val, &v) != r); \ | ^~~~~~ lib/atomic64_test.c:41:2: note: in expansion of macro 'TEST_RETURN' 41 | test(bit, op##_relaxed, ##args); \ | ^~~~ lib/atomic64_test.c:64:2: note: in expansion of macro 'FAMILY_TEST' 64 | FAMILY_TEST(TEST_RETURN, bit, op, c_op, val); \ | ^~~~~~~~~~~ lib/atomic64_test.c:177:2: note: in expansion of macro 'RETURN_FAMILY_TEST' 177 | RETURN_FAMILY_TEST(64, sub_return, -=, onestwos); | ^~~~~~~~~~~~~~~~~~ 58 | BUG_ON(atomic##bit##_##op(val, &v) != v0); \ | ^~~~~~ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ lib/atomic64_test.c:58:2: note: in expansion of macro 'BUG_ON' 58 | BUG_ON(atomic##bit##_##op(val, &v) != v0); \ | ^~~~~~ lib/atomic64_test.c:39:2: note: in expansion of macro 'TEST_FETCH' 39 | test(bit, op##_acquire, ##args); \ | ^~~~ lib/atomic64_test.c:69:2: note: in expansion of macro 'FAMILY_TEST' 69 | FAMILY_TEST(TEST_FETCH, bit, op, c_op, val); \ | ^~~~~~~~~~~ lib/atomic64_test.c:182:2: note: in expansion of macro 'FETCH_FAMILY_TEST' 182 | FETCH_FAMILY_TEST(64, fetch_sub, -=, onestwos); | ^~~~~~~~~~~~~~~~~ 58 | BUG_ON(atomic##bit##_##op(val, &v) != v0); \ | ^~~~~~ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ lib/atomic64_test.c:58:2: note: in expansion of macro 'BUG_ON' 58 | BUG_ON(atomic##bit##_##op(val, &v) != v0); \ | ^~~~~~ lib/atomic64_test.c:40:2: note: in expansion of macro 'TEST_FETCH' 40 | test(bit, op##_release, ##args); \ | ^~~~ lib/atomic64_test.c:69:2: note: in expansion of macro 'FAMILY_TEST' 69 | FAMILY_TEST(TEST_FETCH, bit, op, c_op, val); \ | ^~~~~~~~~~~ lib/atomic64_test.c:182:2: note: in expansion of macro 'FETCH_FAMILY_TEST' 182 | FETCH_FAMILY_TEST(64, fetch_sub, -=, onestwos); | ^~~~~~~~~~~~~~~~~ 58 | BUG_ON(atomic##bit##_##op(val, &v) != v0); \ | ^~~~~~ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ lib/atomic64_test.c:58:2: note: in expansion of macro 'BUG_ON' 58 | BUG_ON(atomic##bit##_##op(val, &v) != v0); \ | ^~~~~~ lib/atomic64_test.c:41:2: note: in expansion of macro 'TEST_FETCH' 41 | test(bit, op##_relaxed, ##args); \ | ^~~~ lib/atomic64_test.c:69:2: note: in expansion of macro 'FAMILY_TEST' 69 | FAMILY_TEST(TEST_FETCH, bit, op, c_op, val); \ | ^~~~~~~~~~~ lib/atomic64_test.c:182:2: note: in expansion of macro 'FETCH_FAMILY_TEST' 182 | FETCH_FAMILY_TEST(64, fetch_sub, -=, onestwos); | ^~~~~~~~~~~~~~~~~ 58 | BUG_ON(atomic##bit##_##op(val, &v) != v0); \ | ^~~~~~ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ lib/atomic64_test.c:58:2: note: in expansion of macro 'BUG_ON' 58 | BUG_ON(atomic##bit##_##op(val, &v) != v0); \ | ^~~~~~ lib/atomic64_test.c:39:2: note: in expansion of macro 'TEST_FETCH' 39 | test(bit, op##_acquire, ##args); \ | ^~~~ lib/atomic64_test.c:69:2: note: in expansion of macro 'FAMILY_TEST' 69 | FAMILY_TEST(TEST_FETCH, bit, op, c_op, val); \ | ^~~~~~~~~~~ lib/atomic64_test.c:185:2: note: in expansion of macro 'FETCH_FAMILY_TEST' 185 | FETCH_FAMILY_TEST(64, fetch_or, |=, v1); | ^~~~~~~~~~~~~~~~~ 58 | BUG_ON(atomic##bit##_##op(val, &v) != v0); \ | ^~~~~~ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ lib/atomic64_test.c:58:2: note: in expansion of macro 'BUG_ON' 58 | BUG_ON(atomic##bit##_##op(val, &v) != v0); \ | ^~~~~~ lib/atomic64_test.c:40:2: note: in expansion of macro 'TEST_FETCH' 40 | test(bit, op##_release, ##args); \ | ^~~~ lib/atomic64_test.c:69:2: note: in expansion of macro 'FAMILY_TEST' 69 | FAMILY_TEST(TEST_FETCH, bit, op, c_op, val); \ | ^~~~~~~~~~~ lib/atomic64_test.c:185:2: note: in expansion of macro 'FETCH_FAMILY_TEST' 185 | FETCH_FAMILY_TEST(64, fetch_or, |=, v1); | ^~~~~~~~~~~~~~~~~ 58 | BUG_ON(atomic##bit##_##op(val, &v) != v0); \ | ^~~~~~ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ lib/atomic64_test.c:58:2: note: in expansion of macro 'BUG_ON' 58 | BUG_ON(atomic##bit##_##op(val, &v) != v0); \ | ^~~~~~ lib/atomic64_test.c:41:2: note: in expansion of macro 'TEST_FETCH' 41 | test(bit, op##_relaxed, ##args); \ | ^~~~ lib/atomic64_test.c:69:2: note: in expansion of macro 'FAMILY_TEST' 69 | FAMILY_TEST(TEST_FETCH, bit, op, c_op, val); \ | ^~~~~~~~~~~ lib/atomic64_test.c:185:2: note: in expansion of macro 'FETCH_FAMILY_TEST' 185 | FETCH_FAMILY_TEST(64, fetch_or, |=, v1); | ^~~~~~~~~~~~~~~~~ 58 | BUG_ON(atomic##bit##_##op(val, &v) != v0); \ | ^~~~~~ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ lib/atomic64_test.c:58:2: note: in expansion of macro 'BUG_ON' 58 | BUG_ON(atomic##bit##_##op(val, &v) != v0); \ | ^~~~~~ lib/atomic64_test.c:39:2: note: in expansion of macro 'TEST_FETCH' 39 | test(bit, op##_acquire, ##args); \ | ^~~~ lib/atomic64_test.c:69:2: note: in expansion of macro 'FAMILY_TEST' 69 | FAMILY_TEST(TEST_FETCH, bit, op, c_op, val); \ | ^~~~~~~~~~~ lib/atomic64_test.c:186:2: note: in expansion of macro 'FETCH_FAMILY_TEST' 186 | FETCH_FAMILY_TEST(64, fetch_and, &=, v1); | ^~~~~~~~~~~~~~~~~ 58 | BUG_ON(atomic##bit##_##op(val, &v) != v0); \ | ^~~~~~ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ lib/atomic64_test.c:58:2: note: in expansion of macro 'BUG_ON' 58 | BUG_ON(atomic##bit##_##op(val, &v) != v0); \ | ^~~~~~ lib/atomic64_test.c:40:2: note: in expansion of macro 'TEST_FETCH' 40 | test(bit, op##_release, ##args); \ | ^~~~ lib/atomic64_test.c:69:2: note: in expansion of macro 'FAMILY_TEST' 69 | FAMILY_TEST(TEST_FETCH, bit, op, c_op, val); \ | ^~~~~~~~~~~ lib/atomic64_test.c:186:2: note: in expansion of macro 'FETCH_FAMILY_TEST' 186 | FETCH_FAMILY_TEST(64, fetch_and, &=, v1); | ^~~~~~~~~~~~~~~~~ 58 | BUG_ON(atomic##bit##_##op(val, &v) != v0); \ | ^~~~~~ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ lib/atomic64_test.c:58:2: note: in expansion of macro 'BUG_ON' 58 | BUG_ON(atomic##bit##_##op(val, &v) != v0); \ | ^~~~~~ lib/atomic64_test.c:41:2: note: in expansion of macro 'TEST_FETCH' 41 | test(bit, op##_relaxed, ##args); \ | ^~~~ lib/atomic64_test.c:69:2: note: in expansion of macro 'FAMILY_TEST' 69 | FAMILY_TEST(TEST_FETCH, bit, op, c_op, val); \ | ^~~~~~~~~~~ lib/atomic64_test.c:186:2: note: in expansion of macro 'FETCH_FAMILY_TEST' 186 | FETCH_FAMILY_TEST(64, fetch_and, &=, v1); | ^~~~~~~~~~~~~~~~~ 58 | BUG_ON(atomic##bit##_##op(val, &v) != v0); \ | ^~~~~~ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ lib/atomic64_test.c:58:2: note: in expansion of macro 'BUG_ON' 58 | BUG_ON(atomic##bit##_##op(val, &v) != v0); \ | ^~~~~~ lib/atomic64_test.c:39:2: note: in expansion of macro 'TEST_FETCH' 39 | test(bit, op##_acquire, ##args); \ | ^~~~ lib/atomic64_test.c:69:2: note: in expansion of macro 'FAMILY_TEST' 69 | FAMILY_TEST(TEST_FETCH, bit, op, c_op, val); \ | ^~~~~~~~~~~ lib/atomic64_test.c:187:2: note: in expansion of macro 'FETCH_FAMILY_TEST' 187 | FETCH_FAMILY_TEST(64, fetch_andnot, &= ~, v1); | ^~~~~~~~~~~~~~~~~ 58 | BUG_ON(atomic##bit##_##op(val, &v) != v0); \ | ^~~~~~ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ lib/atomic64_test.c:58:2: note: in expansion of macro 'BUG_ON' 58 | BUG_ON(atomic##bit##_##op(val, &v) != v0); \ | ^~~~~~ lib/atomic64_test.c:40:2: note: in expansion of macro 'TEST_FETCH' 40 | test(bit, op##_release, ##args); \ | ^~~~ lib/atomic64_test.c:69:2: note: in expansion of macro 'FAMILY_TEST' 69 | FAMILY_TEST(TEST_FETCH, bit, op, c_op, val); \ | ^~~~~~~~~~~ lib/atomic64_test.c:187:2: note: in expansion of macro 'FETCH_FAMILY_TEST' 187 | FETCH_FAMILY_TEST(64, fetch_andnot, &= ~, v1); | ^~~~~~~~~~~~~~~~~ 58 | BUG_ON(atomic##bit##_##op(val, &v) != v0); \ | ^~~~~~ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ lib/atomic64_test.c:58:2: note: in expansion of macro 'BUG_ON' 58 | BUG_ON(atomic##bit##_##op(val, &v) != v0); \ | ^~~~~~ lib/atomic64_test.c:41:2: note: in expansion of macro 'TEST_FETCH' 41 | test(bit, op##_relaxed, ##args); \ | ^~~~ lib/atomic64_test.c:69:2: note: in expansion of macro 'FAMILY_TEST' 69 | FAMILY_TEST(TEST_FETCH, bit, op, c_op, val); \ | ^~~~~~~~~~~ lib/atomic64_test.c:187:2: note: in expansion of macro 'FETCH_FAMILY_TEST' 187 | FETCH_FAMILY_TEST(64, fetch_andnot, &= ~, v1); | ^~~~~~~~~~~~~~~~~ 58 | BUG_ON(atomic##bit##_##op(val, &v) != v0); \ | ^~~~~~ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ lib/atomic64_test.c:58:2: note: in expansion of macro 'BUG_ON' 58 | BUG_ON(atomic##bit##_##op(val, &v) != v0); \ | ^~~~~~ lib/atomic64_test.c:39:2: note: in expansion of macro 'TEST_FETCH' 39 | test(bit, op##_acquire, ##args); \ | ^~~~ lib/atomic64_test.c:69:2: note: in expansion of macro 'FAMILY_TEST' 69 | FAMILY_TEST(TEST_FETCH, bit, op, c_op, val); \ | ^~~~~~~~~~~ lib/atomic64_test.c:188:2: note: in expansion of macro 'FETCH_FAMILY_TEST' 188 | FETCH_FAMILY_TEST(64, fetch_xor, ^=, v1); | ^~~~~~~~~~~~~~~~~ 58 | BUG_ON(atomic##bit##_##op(val, &v) != v0); \ | ^~~~~~ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ lib/atomic64_test.c:58:2: note: in expansion of macro 'BUG_ON' 58 | BUG_ON(atomic##bit##_##op(val, &v) != v0); \ | ^~~~~~ lib/atomic64_test.c:40:2: note: in expansion of macro 'TEST_FETCH' 40 | test(bit, op##_release, ##args); \ | ^~~~ lib/atomic64_test.c:69:2: note: in expansion of macro 'FAMILY_TEST' 69 | FAMILY_TEST(TEST_FETCH, bit, op, c_op, val); \ | ^~~~~~~~~~~ lib/atomic64_test.c:188:2: note: in expansion of macro 'FETCH_FAMILY_TEST' 188 | FETCH_FAMILY_TEST(64, fetch_xor, ^=, v1); | ^~~~~~~~~~~~~~~~~ 58 | BUG_ON(atomic##bit##_##op(val, &v) != v0); \ | ^~~~~~ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ lib/atomic64_test.c:58:2: note: in expansion of macro 'BUG_ON' 58 | BUG_ON(atomic##bit##_##op(val, &v) != v0); \ | ^~~~~~ lib/atomic64_test.c:41:2: note: in expansion of macro 'TEST_FETCH' 41 | test(bit, op##_relaxed, ##args); \ | ^~~~ lib/atomic64_test.c:69:2: note: in expansion of macro 'FAMILY_TEST' 69 | FAMILY_TEST(TEST_FETCH, bit, op, c_op, val); \ | ^~~~~~~~~~~ lib/atomic64_test.c:188:2: note: in expansion of macro 'FETCH_FAMILY_TEST' 188 | FETCH_FAMILY_TEST(64, fetch_xor, ^=, v1); | ^~~~~~~~~~~~~~~~~ 75 | BUG_ON(atomic##bit##_##op(&v, ##args) != ret); \ | ^~~~~~ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ lib/atomic64_test.c:75:2: note: in expansion of macro 'BUG_ON' 75 | BUG_ON(atomic##bit##_##op(&v, ##args) != ret); \ | ^~~~~~ lib/atomic64_test.c:39:2: note: in expansion of macro 'TEST_ARGS' 39 | test(bit, op##_acquire, ##args); \ | ^~~~ lib/atomic64_test.c:94:2: note: in expansion of macro 'FAMILY_TEST' 94 | FAMILY_TEST(TEST_ARGS, bit, inc_return, \ | ^~~~~~~~~~~ lib/atomic64_test.c:200:2: note: in expansion of macro 'INC_RETURN_FAMILY_TEST' 200 | INC_RETURN_FAMILY_TEST(64, v0); | ^~~~~~~~~~~~~~~~~~~~~~ 75 | BUG_ON(atomic##bit##_##op(&v, ##args) != ret); \ | ^~~~~~ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ lib/atomic64_test.c:75:2: note: in expansion of macro 'BUG_ON' 75 | BUG_ON(atomic##bit##_##op(&v, ##args) != ret); \ | ^~~~~~ lib/atomic64_test.c:40:2: note: in expansion of macro 'TEST_ARGS' 40 | test(bit, op##_release, ##args); \ | ^~~~ lib/atomic64_test.c:94:2: note: in expansion of macro 'FAMILY_TEST' 94 | FAMILY_TEST(TEST_ARGS, bit, inc_return, \ | ^~~~~~~~~~~ lib/atomic64_test.c:200:2: note: in expansion of macro 'INC_RETURN_FAMILY_TEST' 200 | INC_RETURN_FAMILY_TEST(64, v0); | ^~~~~~~~~~~~~~~~~~~~~~ lib/atomic64_test.c:75:9: error: implicit declaration of function 'atomic64_inc_return_relaxed'; did you mean 'atomic_inc_return_relaxed'? [-Werror=implicit-function-declaration] 75 | BUG_ON(atomic##bit##_##op(&v, ##args) != ret); \ | ^~~~~~ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ lib/atomic64_test.c:75:2: note: in expansion of macro 'BUG_ON' 75 | BUG_ON(atomic##bit##_##op(&v, ##args) != ret); \ | ^~~~~~ lib/atomic64_test.c:41:2: note: in expansion of macro 'TEST_ARGS' 41 | test(bit, op##_relaxed, ##args); \ | ^~~~ lib/atomic64_test.c:94:2: note: in expansion of macro 'FAMILY_TEST' 94 | FAMILY_TEST(TEST_ARGS, bit, inc_return, \ | ^~~~~~~~~~~ lib/atomic64_test.c:200:2: note: in expansion of macro 'INC_RETURN_FAMILY_TEST' 200 | INC_RETURN_FAMILY_TEST(64, v0); | ^~~~~~~~~~~~~~~~~~~~~~ lib/atomic64_test.c:75:9: error: implicit declaration of function 'atomic64_dec_return_acquire'; did you mean 'atomic_dec_return_acquire'? [-Werror=implicit-function-declaration] 75 | BUG_ON(atomic##bit##_##op(&v, ##args) != ret); \ | ^~~~~~ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ lib/atomic64_test.c:75:2: note: in expansion of macro 'BUG_ON' 75 | BUG_ON(atomic##bit##_##op(&v, ##args) != ret); \ | ^~~~~~ lib/atomic64_test.c:39:2: note: in expansion of macro 'TEST_ARGS' 39 | test(bit, op##_acquire, ##args); \ | ^~~~ lib/atomic64_test.c:100:2: note: in expansion of macro 'FAMILY_TEST' 100 | FAMILY_TEST(TEST_ARGS, bit, dec_return, \ | ^~~~~~~~~~~ lib/atomic64_test.c:201:2: note: in expansion of macro 'DEC_RETURN_FAMILY_TEST' 201 | DEC_RETURN_FAMILY_TEST(64, v0); | ^~~~~~~~~~~~~~~~~~~~~~ lib/atomic64_test.c:75:9: error: implicit declaration of function 'atomic64_dec_return_release'; did you mean 'atomic_dec_return_release'? [-Werror=implicit-function-declaration] 75 | BUG_ON(atomic##bit##_##op(&v, ##args) != ret); \ | ^~~~~~ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ lib/atomic64_test.c:75:2: note: in expansion of macro 'BUG_ON' 75 | BUG_ON(atomic##bit##_##op(&v, ##args) != ret); \ | ^~~~~~ lib/atomic64_test.c:40:2: note: in expansion of macro 'TEST_ARGS' 40 | test(bit, op##_release, ##args); \ | ^~~~ lib/atomic64_test.c:100:2: note: in expansion of macro 'FAMILY_TEST' 100 | FAMILY_TEST(TEST_ARGS, bit, dec_return, \ | ^~~~~~~~~~~ lib/atomic64_test.c:201:2: note: in expansion of macro 'DEC_RETURN_FAMILY_TEST' 201 | DEC_RETURN_FAMILY_TEST(64, v0); | ^~~~~~~~~~~~~~~~~~~~~~ lib/atomic64_test.c:75:9: error: implicit declaration of function 'atomic64_dec_return_relaxed'; did you mean 'atomic_dec_return_relaxed'? [-Werror=implicit-function-declaration] 75 | BUG_ON(atomic##bit##_##op(&v, ##args) != ret); \ | ^~~~~~ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ lib/atomic64_test.c:75:2: note: in expansion of macro 'BUG_ON' 75 | BUG_ON(atomic##bit##_##op(&v, ##args) != ret); \ | ^~~~~~ lib/atomic64_test.c:41:2: note: in expansion of macro 'TEST_ARGS' 41 | test(bit, op##_relaxed, ##args); \ | ^~~~ lib/atomic64_test.c:100:2: note: in expansion of macro 'FAMILY_TEST' 100 | FAMILY_TEST(TEST_ARGS, bit, dec_return, \ | ^~~~~~~~~~~ lib/atomic64_test.c:201:2: note: in expansion of macro 'DEC_RETURN_FAMILY_TEST' 201 | DEC_RETURN_FAMILY_TEST(64, v0); | ^~~~~~~~~~~~~~~~~~~~~~ lib/atomic64_test.c:207:9: error: implicit declaration of function 'atomic64_add_unless'; did you mean 'atomic_add_unless'? [-Werror=implicit-function-declaration] 207 | BUG_ON(atomic64_add_unless(&v, one, v0)); | ^~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ lib/atomic64_test.c:207:2: note: in expansion of macro 'BUG_ON' 207 | BUG_ON(atomic64_add_unless(&v, one, v0)); | ^~~~~~ lib/atomic64_test.c:229:10: error: implicit declaration of function 'atomic64_inc_not_zero'; did you mean 'atomic_inc_not_zero'? [-Werror=implicit-function-declaration] 229 | BUG_ON(!atomic64_inc_not_zero(&v)); vim +58 lib/atomic64_test.c 978e5a3692c3b6 Boqun Feng 2015-11-04 43 978e5a3692c3b6 Boqun Feng 2015-11-04 44 #define TEST_RETURN(bit, op, c_op, val) \ 978e5a3692c3b6 Boqun Feng 2015-11-04 45 do { \ 978e5a3692c3b6 Boqun Feng 2015-11-04 46 atomic##bit##_set(&v, v0); \ 978e5a3692c3b6 Boqun Feng 2015-11-04 47 r = v0; \ 978e5a3692c3b6 Boqun Feng 2015-11-04 48 r c_op val; \ 978e5a3692c3b6 Boqun Feng 2015-11-04 @49 BUG_ON(atomic##bit##_##op(val, &v) != r); \ 978e5a3692c3b6 Boqun Feng 2015-11-04 50 BUG_ON(atomic##bit##_read(&v) != r); \ 978e5a3692c3b6 Boqun Feng 2015-11-04 51 } while (0) 978e5a3692c3b6 Boqun Feng 2015-11-04 52 28aa2bda2211f4 Peter Zijlstra 2016-04-18 53 #define TEST_FETCH(bit, op, c_op, val) \ 28aa2bda2211f4 Peter Zijlstra 2016-04-18 54 do { \ 28aa2bda2211f4 Peter Zijlstra 2016-04-18 55 atomic##bit##_set(&v, v0); \ 28aa2bda2211f4 Peter Zijlstra 2016-04-18 56 r = v0; \ 28aa2bda2211f4 Peter Zijlstra 2016-04-18 57 r c_op val; \ 28aa2bda2211f4 Peter Zijlstra 2016-04-18 @58 BUG_ON(atomic##bit##_##op(val, &v) != v0); \ 28aa2bda2211f4 Peter Zijlstra 2016-04-18 59 BUG_ON(atomic##bit##_read(&v) != r); \ 28aa2bda2211f4 Peter Zijlstra 2016-04-18 60 } while (0) 28aa2bda2211f4 Peter Zijlstra 2016-04-18 61 978e5a3692c3b6 Boqun Feng 2015-11-04 62 #define RETURN_FAMILY_TEST(bit, op, c_op, val) \ 978e5a3692c3b6 Boqun Feng 2015-11-04 63 do { \ 978e5a3692c3b6 Boqun Feng 2015-11-04 64 FAMILY_TEST(TEST_RETURN, bit, op, c_op, val); \ 978e5a3692c3b6 Boqun Feng 2015-11-04 65 } while (0) 978e5a3692c3b6 Boqun Feng 2015-11-04 66 28aa2bda2211f4 Peter Zijlstra 2016-04-18 67 #define FETCH_FAMILY_TEST(bit, op, c_op, val) \ 28aa2bda2211f4 Peter Zijlstra 2016-04-18 68 do { \ 28aa2bda2211f4 Peter Zijlstra 2016-04-18 69 FAMILY_TEST(TEST_FETCH, bit, op, c_op, val); \ 28aa2bda2211f4 Peter Zijlstra 2016-04-18 70 } while (0) 28aa2bda2211f4 Peter Zijlstra 2016-04-18 71 978e5a3692c3b6 Boqun Feng 2015-11-04 72 #define TEST_ARGS(bit, op, init, ret, expect, args...) \ 978e5a3692c3b6 Boqun Feng 2015-11-04 73 do { \ 978e5a3692c3b6 Boqun Feng 2015-11-04 74 atomic##bit##_set(&v, init); \ 978e5a3692c3b6 Boqun Feng 2015-11-04 @75 BUG_ON(atomic##bit##_##op(&v, ##args) != ret); \ 978e5a3692c3b6 Boqun Feng 2015-11-04 76 BUG_ON(atomic##bit##_read(&v) != expect); \ 978e5a3692c3b6 Boqun Feng 2015-11-04 77 } while (0) 978e5a3692c3b6 Boqun Feng 2015-11-04 78 978e5a3692c3b6 Boqun Feng 2015-11-04 79 #define XCHG_FAMILY_TEST(bit, init, new) \ 978e5a3692c3b6 Boqun Feng 2015-11-04 80 do { \ 978e5a3692c3b6 Boqun Feng 2015-11-04 81 FAMILY_TEST(TEST_ARGS, bit, xchg, init, init, new, new); \ 978e5a3692c3b6 Boqun Feng 2015-11-04 82 } while (0) 978e5a3692c3b6 Boqun Feng 2015-11-04 83 978e5a3692c3b6 Boqun Feng 2015-11-04 84 #define CMPXCHG_FAMILY_TEST(bit, init, new, wrong) \ 978e5a3692c3b6 Boqun Feng 2015-11-04 85 do { \ 978e5a3692c3b6 Boqun Feng 2015-11-04 86 FAMILY_TEST(TEST_ARGS, bit, cmpxchg, \ 978e5a3692c3b6 Boqun Feng 2015-11-04 87 init, init, new, init, new); \ 978e5a3692c3b6 Boqun Feng 2015-11-04 88 FAMILY_TEST(TEST_ARGS, bit, cmpxchg, \ 978e5a3692c3b6 Boqun Feng 2015-11-04 89 init, init, init, wrong, new); \ 978e5a3692c3b6 Boqun Feng 2015-11-04 90 } while (0) 978e5a3692c3b6 Boqun Feng 2015-11-04 91 978e5a3692c3b6 Boqun Feng 2015-11-04 92 #define INC_RETURN_FAMILY_TEST(bit, i) \ 978e5a3692c3b6 Boqun Feng 2015-11-04 93 do { \ 978e5a3692c3b6 Boqun Feng 2015-11-04 94 FAMILY_TEST(TEST_ARGS, bit, inc_return, \ 978e5a3692c3b6 Boqun Feng 2015-11-04 95 i, (i) + one, (i) + one); \ 978e5a3692c3b6 Boqun Feng 2015-11-04 96 } while (0) 978e5a3692c3b6 Boqun Feng 2015-11-04 97 978e5a3692c3b6 Boqun Feng 2015-11-04 98 #define DEC_RETURN_FAMILY_TEST(bit, i) \ 978e5a3692c3b6 Boqun Feng 2015-11-04 99 do { \ 978e5a3692c3b6 Boqun Feng 2015-11-04 100 FAMILY_TEST(TEST_ARGS, bit, dec_return, \ 978e5a3692c3b6 Boqun Feng 2015-11-04 101 i, (i) - one, (i) - one); \ 978e5a3692c3b6 Boqun Feng 2015-11-04 102 } while (0) 978e5a3692c3b6 Boqun Feng 2015-11-04 103 41b9e9fcc1c44b Peter Zijlstra 2015-07-13 104 static __init void test_atomic(void) 41b9e9fcc1c44b Peter Zijlstra 2015-07-13 105 { 41b9e9fcc1c44b Peter Zijlstra 2015-07-13 106 int v0 = 0xaaa31337; 41b9e9fcc1c44b Peter Zijlstra 2015-07-13 107 int v1 = 0xdeadbeef; 41b9e9fcc1c44b Peter Zijlstra 2015-07-13 108 int onestwos = 0x11112222; 41b9e9fcc1c44b Peter Zijlstra 2015-07-13 109 int one = 1; 41b9e9fcc1c44b Peter Zijlstra 2015-07-13 110 41b9e9fcc1c44b Peter Zijlstra 2015-07-13 111 atomic_t v; 41b9e9fcc1c44b Peter Zijlstra 2015-07-13 112 int r; 41b9e9fcc1c44b Peter Zijlstra 2015-07-13 113 41b9e9fcc1c44b Peter Zijlstra 2015-07-13 114 TEST(, add, +=, onestwos); 41b9e9fcc1c44b Peter Zijlstra 2015-07-13 115 TEST(, add, +=, -one); 41b9e9fcc1c44b Peter Zijlstra 2015-07-13 116 TEST(, sub, -=, onestwos); 41b9e9fcc1c44b Peter Zijlstra 2015-07-13 117 TEST(, sub, -=, -one); 41b9e9fcc1c44b Peter Zijlstra 2015-07-13 118 TEST(, or, |=, v1); 41b9e9fcc1c44b Peter Zijlstra 2015-07-13 119 TEST(, and, &=, v1); 41b9e9fcc1c44b Peter Zijlstra 2015-07-13 120 TEST(, xor, ^=, v1); 41b9e9fcc1c44b Peter Zijlstra 2015-07-13 121 TEST(, andnot, &= ~, v1); 978e5a3692c3b6 Boqun Feng 2015-11-04 122 978e5a3692c3b6 Boqun Feng 2015-11-04 123 RETURN_FAMILY_TEST(, add_return, +=, onestwos); 978e5a3692c3b6 Boqun Feng 2015-11-04 124 RETURN_FAMILY_TEST(, add_return, +=, -one); 978e5a3692c3b6 Boqun Feng 2015-11-04 125 RETURN_FAMILY_TEST(, sub_return, -=, onestwos); 978e5a3692c3b6 Boqun Feng 2015-11-04 126 RETURN_FAMILY_TEST(, sub_return, -=, -one); 978e5a3692c3b6 Boqun Feng 2015-11-04 127 28aa2bda2211f4 Peter Zijlstra 2016-04-18 128 FETCH_FAMILY_TEST(, fetch_add, +=, onestwos); 28aa2bda2211f4 Peter Zijlstra 2016-04-18 129 FETCH_FAMILY_TEST(, fetch_add, +=, -one); 28aa2bda2211f4 Peter Zijlstra 2016-04-18 130 FETCH_FAMILY_TEST(, fetch_sub, -=, onestwos); 28aa2bda2211f4 Peter Zijlstra 2016-04-18 131 FETCH_FAMILY_TEST(, fetch_sub, -=, -one); 28aa2bda2211f4 Peter Zijlstra 2016-04-18 132 28aa2bda2211f4 Peter Zijlstra 2016-04-18 133 FETCH_FAMILY_TEST(, fetch_or, |=, v1); 28aa2bda2211f4 Peter Zijlstra 2016-04-18 134 FETCH_FAMILY_TEST(, fetch_and, &=, v1); 28aa2bda2211f4 Peter Zijlstra 2016-04-18 135 FETCH_FAMILY_TEST(, fetch_andnot, &= ~, v1); 28aa2bda2211f4 Peter Zijlstra 2016-04-18 136 FETCH_FAMILY_TEST(, fetch_xor, ^=, v1); 28aa2bda2211f4 Peter Zijlstra 2016-04-18 137 978e5a3692c3b6 Boqun Feng 2015-11-04 138 INC_RETURN_FAMILY_TEST(, v0); 978e5a3692c3b6 Boqun Feng 2015-11-04 139 DEC_RETURN_FAMILY_TEST(, v0); 978e5a3692c3b6 Boqun Feng 2015-11-04 140 978e5a3692c3b6 Boqun Feng 2015-11-04 141 XCHG_FAMILY_TEST(, v0, v1); 978e5a3692c3b6 Boqun Feng 2015-11-04 142 CMPXCHG_FAMILY_TEST(, v0, v1, onestwos); 978e5a3692c3b6 Boqun Feng 2015-11-04 143 41b9e9fcc1c44b Peter Zijlstra 2015-07-13 144 } 41b9e9fcc1c44b Peter Zijlstra 2015-07-13 145 86a8938078a8bb Luca Barbieri 2010-02-24 146 #define INIT(c) do { atomic64_set(&v, c); r = c; } while (0) 41b9e9fcc1c44b Peter Zijlstra 2015-07-13 147 static __init void test_atomic64(void) 86a8938078a8bb Luca Barbieri 2010-02-24 148 { 86a8938078a8bb Luca Barbieri 2010-02-24 149 long long v0 = 0xaaa31337c001d00dLL; 86a8938078a8bb Luca Barbieri 2010-02-24 150 long long v1 = 0xdeadbeefdeafcafeLL; 86a8938078a8bb Luca Barbieri 2010-02-24 151 long long v2 = 0xfaceabadf00df001LL; ffba19ccae8d98 Michael Ellerman 2017-07-14 152 long long v3 = 0x8000000000000000LL; 86a8938078a8bb Luca Barbieri 2010-02-24 153 long long onestwos = 0x1111111122222222LL; 86a8938078a8bb Luca Barbieri 2010-02-24 154 long long one = 1LL; ffba19ccae8d98 Michael Ellerman 2017-07-14 155 int r_int; 86a8938078a8bb Luca Barbieri 2010-02-24 156 86a8938078a8bb Luca Barbieri 2010-02-24 157 atomic64_t v = ATOMIC64_INIT(v0); 86a8938078a8bb Luca Barbieri 2010-02-24 158 long long r = v0; 86a8938078a8bb Luca Barbieri 2010-02-24 159 BUG_ON(v.counter != r); 86a8938078a8bb Luca Barbieri 2010-02-24 160 86a8938078a8bb Luca Barbieri 2010-02-24 161 atomic64_set(&v, v1); 86a8938078a8bb Luca Barbieri 2010-02-24 162 r = v1; 86a8938078a8bb Luca Barbieri 2010-02-24 163 BUG_ON(v.counter != r); 86a8938078a8bb Luca Barbieri 2010-02-24 164 BUG_ON(atomic64_read(&v) != r); 86a8938078a8bb Luca Barbieri 2010-02-24 165 41b9e9fcc1c44b Peter Zijlstra 2015-07-13 166 TEST(64, add, +=, onestwos); 41b9e9fcc1c44b Peter Zijlstra 2015-07-13 167 TEST(64, add, +=, -one); 41b9e9fcc1c44b Peter Zijlstra 2015-07-13 168 TEST(64, sub, -=, onestwos); 41b9e9fcc1c44b Peter Zijlstra 2015-07-13 169 TEST(64, sub, -=, -one); 41b9e9fcc1c44b Peter Zijlstra 2015-07-13 170 TEST(64, or, |=, v1); 41b9e9fcc1c44b Peter Zijlstra 2015-07-13 171 TEST(64, and, &=, v1); 41b9e9fcc1c44b Peter Zijlstra 2015-07-13 172 TEST(64, xor, ^=, v1); 41b9e9fcc1c44b Peter Zijlstra 2015-07-13 173 TEST(64, andnot, &= ~, v1); 86a8938078a8bb Luca Barbieri 2010-02-24 174 978e5a3692c3b6 Boqun Feng 2015-11-04 175 RETURN_FAMILY_TEST(64, add_return, +=, onestwos); 978e5a3692c3b6 Boqun Feng 2015-11-04 176 RETURN_FAMILY_TEST(64, add_return, +=, -one); 978e5a3692c3b6 Boqun Feng 2015-11-04 177 RETURN_FAMILY_TEST(64, sub_return, -=, onestwos); 978e5a3692c3b6 Boqun Feng 2015-11-04 178 RETURN_FAMILY_TEST(64, sub_return, -=, -one); 86a8938078a8bb Luca Barbieri 2010-02-24 179 28aa2bda2211f4 Peter Zijlstra 2016-04-18 180 FETCH_FAMILY_TEST(64, fetch_add, +=, onestwos); 28aa2bda2211f4 Peter Zijlstra 2016-04-18 181 FETCH_FAMILY_TEST(64, fetch_add, +=, -one); 28aa2bda2211f4 Peter Zijlstra 2016-04-18 182 FETCH_FAMILY_TEST(64, fetch_sub, -=, onestwos); 28aa2bda2211f4 Peter Zijlstra 2016-04-18 183 FETCH_FAMILY_TEST(64, fetch_sub, -=, -one); 28aa2bda2211f4 Peter Zijlstra 2016-04-18 184 28aa2bda2211f4 Peter Zijlstra 2016-04-18 185 FETCH_FAMILY_TEST(64, fetch_or, |=, v1); 28aa2bda2211f4 Peter Zijlstra 2016-04-18 186 FETCH_FAMILY_TEST(64, fetch_and, &=, v1); 28aa2bda2211f4 Peter Zijlstra 2016-04-18 187 FETCH_FAMILY_TEST(64, fetch_andnot, &= ~, v1); 28aa2bda2211f4 Peter Zijlstra 2016-04-18 188 FETCH_FAMILY_TEST(64, fetch_xor, ^=, v1); 28aa2bda2211f4 Peter Zijlstra 2016-04-18 189 86a8938078a8bb Luca Barbieri 2010-02-24 190 INIT(v0); 86a8938078a8bb Luca Barbieri 2010-02-24 191 atomic64_inc(&v); 86a8938078a8bb Luca Barbieri 2010-02-24 192 r += one; 86a8938078a8bb Luca Barbieri 2010-02-24 193 BUG_ON(v.counter != r); 86a8938078a8bb Luca Barbieri 2010-02-24 194 86a8938078a8bb Luca Barbieri 2010-02-24 195 INIT(v0); 86a8938078a8bb Luca Barbieri 2010-02-24 196 atomic64_dec(&v); 86a8938078a8bb Luca Barbieri 2010-02-24 197 r -= one; 86a8938078a8bb Luca Barbieri 2010-02-24 198 BUG_ON(v.counter != r); 86a8938078a8bb Luca Barbieri 2010-02-24 199 978e5a3692c3b6 Boqun Feng 2015-11-04 200 INC_RETURN_FAMILY_TEST(64, v0); 978e5a3692c3b6 Boqun Feng 2015-11-04 201 DEC_RETURN_FAMILY_TEST(64, v0); 86a8938078a8bb Luca Barbieri 2010-02-24 202 978e5a3692c3b6 Boqun Feng 2015-11-04 203 XCHG_FAMILY_TEST(64, v0, v1); 978e5a3692c3b6 Boqun Feng 2015-11-04 204 CMPXCHG_FAMILY_TEST(64, v0, v1, v2); 86a8938078a8bb Luca Barbieri 2010-02-24 205 86a8938078a8bb Luca Barbieri 2010-02-24 206 INIT(v0); 9efbcd59024304 Luca Barbieri 2010-03-01 @207 BUG_ON(atomic64_add_unless(&v, one, v0)); 86a8938078a8bb Luca Barbieri 2010-02-24 208 BUG_ON(v.counter != r); 86a8938078a8bb Luca Barbieri 2010-02-24 209 86a8938078a8bb Luca Barbieri 2010-02-24 210 INIT(v0); 9efbcd59024304 Luca Barbieri 2010-03-01 211 BUG_ON(!atomic64_add_unless(&v, one, v1)); 86a8938078a8bb Luca Barbieri 2010-02-24 212 r += one; 86a8938078a8bb Luca Barbieri 2010-02-24 213 BUG_ON(v.counter != r); 86a8938078a8bb Luca Barbieri 2010-02-24 214 86a8938078a8bb Luca Barbieri 2010-02-24 215 INIT(onestwos); 86a8938078a8bb Luca Barbieri 2010-02-24 216 BUG_ON(atomic64_dec_if_positive(&v) != (onestwos - 1)); 86a8938078a8bb Luca Barbieri 2010-02-24 217 r -= one; 86a8938078a8bb Luca Barbieri 2010-02-24 218 BUG_ON(v.counter != r); 86a8938078a8bb Luca Barbieri 2010-02-24 219 86a8938078a8bb Luca Barbieri 2010-02-24 220 INIT(0); 86a8938078a8bb Luca Barbieri 2010-02-24 221 BUG_ON(atomic64_dec_if_positive(&v) != -one); 86a8938078a8bb Luca Barbieri 2010-02-24 222 BUG_ON(v.counter != r); 86a8938078a8bb Luca Barbieri 2010-02-24 223 86a8938078a8bb Luca Barbieri 2010-02-24 224 INIT(-one); 86a8938078a8bb Luca Barbieri 2010-02-24 225 BUG_ON(atomic64_dec_if_positive(&v) != (-one - one)); 86a8938078a8bb Luca Barbieri 2010-02-24 226 BUG_ON(v.counter != r); 86a8938078a8bb Luca Barbieri 2010-02-24 227 86a8938078a8bb Luca Barbieri 2010-02-24 228 INIT(onestwos); 25a304f277ad70 Luca Barbieri 2010-03-01 @229 BUG_ON(!atomic64_inc_not_zero(&v)); 86a8938078a8bb Luca Barbieri 2010-02-24 230 r += one; 86a8938078a8bb Luca Barbieri 2010-02-24 231 BUG_ON(v.counter != r); 86a8938078a8bb Luca Barbieri 2010-02-24 232 86a8938078a8bb Luca Barbieri 2010-02-24 233 INIT(0); 25a304f277ad70 Luca Barbieri 2010-03-01 234 BUG_ON(atomic64_inc_not_zero(&v)); 86a8938078a8bb Luca Barbieri 2010-02-24 235 BUG_ON(v.counter != r); 86a8938078a8bb Luca Barbieri 2010-02-24 236 86a8938078a8bb Luca Barbieri 2010-02-24 237 INIT(-one); 25a304f277ad70 Luca Barbieri 2010-03-01 238 BUG_ON(!atomic64_inc_not_zero(&v)); 86a8938078a8bb Luca Barbieri 2010-02-24 239 r += one; 86a8938078a8bb Luca Barbieri 2010-02-24 240 BUG_ON(v.counter != r); ffba19ccae8d98 Michael Ellerman 2017-07-14 241 ffba19ccae8d98 Michael Ellerman 2017-07-14 242 /* Confirm the return value fits in an int, even if the value doesn't */ ffba19ccae8d98 Michael Ellerman 2017-07-14 243 INIT(v3); ffba19ccae8d98 Michael Ellerman 2017-07-14 244 r_int = atomic64_inc_not_zero(&v); ffba19ccae8d98 Michael Ellerman 2017-07-14 245 BUG_ON(!r_int); 41b9e9fcc1c44b Peter Zijlstra 2015-07-13 246 } 41b9e9fcc1c44b Peter Zijlstra 2015-07-13 247 :::::: The code at line 58 was first introduced by commit :::::: 28aa2bda2211f4327d83b44a4f917b4a061b1c56 locking/atomic: Implement atomic{,64,_long}_fetch_{add,sub,and,andnot,or,xor}{,_relaxed,_acquire,_release}() :::::: TO: Peter Zijlstra <peterz(a)infradead.org&gt; :::::: CC: Ingo Molnar <mingo(a)kernel.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org