tree: https://github.com/c-sky/csky-linux v5.12-rc4-riscv-atomic-arch-v3 head: 516baf028b48129e1941ad764ef9a13271830bdc commit: d985500eec5b9fa31462e5aa2b712b719d0de356 [4/5] locking/atomics: Fixup GENERIC_ATOMIC64 conflict with atomic-arch-fallback.h config: powerpc64-randconfig-r022-20210419 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 2b50f5a4343f8fb06acaa5c36355bcf58092c9cd) 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 powerpc64 cross compiling tool for clang build # apt-get install binutils-powerpc64-linux-gnu # https://github.com/c-sky/csky-linux/commit/d985500eec5b9fa31462e5aa2b712b... git remote add csky-linux https://github.com/c-sky/csky-linux git fetch --no-tags csky-linux v5.12-rc4-riscv-atomic-arch-v3 git checkout d985500eec5b9fa31462e5aa2b712b719d0de356 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=powerpc64 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 >>): RETURN_FAMILY_TEST(64, sub_return, -=, onestwos); ^ lib/atomic64_test.c:64:14: note: expanded from macro 'RETURN_FAMILY_TEST' FAMILY_TEST(TEST_RETURN, bit, op, c_op, val); \ ^ lib/atomic64_test.c:177:2: note: did you mean 'atomic_sub_return_acquire'? lib/atomic64_test.c:64:14: note: expanded from macro 'RETURN_FAMILY_TEST' FAMILY_TEST(TEST_RETURN, bit, op, c_op, val); \ ^ include/linux/atomic-fallback.h:285:1: note: 'atomic_sub_return_acquire' declared here atomic_sub_return_acquire(int i, atomic_t *v) ^ RETURN_FAMILY_TEST(64, sub_return, -=, onestwos); ^ lib/atomic64_test.c:64:14: note: expanded from macro 'RETURN_FAMILY_TEST' FAMILY_TEST(TEST_RETURN, bit, op, c_op, val); \ ^ lib/atomic64_test.c:177:2: note: did you mean 'atomic_sub_return_release'? lib/atomic64_test.c:64:14: note: expanded from macro 'RETURN_FAMILY_TEST' FAMILY_TEST(TEST_RETURN, bit, op, c_op, val); \ ^ include/linux/atomic-fallback.h:296:1: note: 'atomic_sub_return_release' declared here atomic_sub_return_release(int i, atomic_t *v) ^ RETURN_FAMILY_TEST(64, sub_return, -=, onestwos); ^ lib/atomic64_test.c:64:14: note: expanded from macro 'RETURN_FAMILY_TEST' FAMILY_TEST(TEST_RETURN, bit, op, c_op, val); \ ^ lib/atomic64_test.c:177:2: note: did you mean 'atomic_sub_return_relaxed'? lib/atomic64_test.c:64:14: note: expanded from macro 'RETURN_FAMILY_TEST' FAMILY_TEST(TEST_RETURN, bit, op, c_op, val); \ ^ arch/powerpc/include/asm/atomic.h:95:1: note: 'atomic_sub_return_relaxed' declared here ATOMIC_OPS(sub, subf) ^ arch/powerpc/include/asm/atomic.h:91:2: note: expanded from macro 'ATOMIC_OPS' ATOMIC_OP_RETURN_RELAXED(op, asm_op) \ ^ arch/powerpc/include/asm/atomic.h:56:19: note: expanded from macro 'ATOMIC_OP_RETURN_RELAXED' static inline int atomic_##op##_return_relaxed(int a, atomic_t *v) \ ^ <scratch space>:88:1: note: expanded from here atomic_sub_return_relaxed ^ lib/atomic64_test.c:178:2: error: implicit declaration of function 'atomic64_sub_return_acquire' [-Werror,-Wimplicit-function-declaration] RETURN_FAMILY_TEST(64, sub_return, -=, -one); ^ lib/atomic64_test.c:64:14: note: expanded from macro 'RETURN_FAMILY_TEST' FAMILY_TEST(TEST_RETURN, bit, op, c_op, val); \ ^ lib/atomic64_test.c:178:2: error: implicit declaration of function 'atomic64_sub_return_release' [-Werror,-Wimplicit-function-declaration] lib/atomic64_test.c:64:14: note: expanded from macro 'RETURN_FAMILY_TEST' FAMILY_TEST(TEST_RETURN, bit, op, c_op, val); \ ^ lib/atomic64_test.c:178:2: error: implicit declaration of function 'atomic64_sub_return_relaxed' [-Werror,-Wimplicit-function-declaration] lib/atomic64_test.c:64:14: note: expanded from macro 'RETURN_FAMILY_TEST' FAMILY_TEST(TEST_RETURN, bit, op, c_op, val); \ ^ FETCH_FAMILY_TEST(64, fetch_sub, -=, onestwos); ^ lib/atomic64_test.c:69:14: note: expanded from macro 'FETCH_FAMILY_TEST' FAMILY_TEST(TEST_FETCH, bit, op, c_op, val); \ ^ lib/atomic64_test.c:182:2: note: did you mean 'atomic_fetch_sub_acquire'? lib/atomic64_test.c:69:14: note: expanded from macro 'FETCH_FAMILY_TEST' FAMILY_TEST(TEST_FETCH, bit, op, c_op, val); \ ^ include/linux/atomic-fallback.h:332:1: note: 'atomic_fetch_sub_acquire' declared here atomic_fetch_sub_acquire(int i, atomic_t *v) ^ FETCH_FAMILY_TEST(64, fetch_sub, -=, onestwos); ^ lib/atomic64_test.c:69:14: note: expanded from macro 'FETCH_FAMILY_TEST' FAMILY_TEST(TEST_FETCH, bit, op, c_op, val); \ ^ lib/atomic64_test.c:182:2: note: did you mean 'atomic_fetch_sub_release'? lib/atomic64_test.c:69:14: note: expanded from macro 'FETCH_FAMILY_TEST' FAMILY_TEST(TEST_FETCH, bit, op, c_op, val); \ ^ include/linux/atomic-fallback.h:343:1: note: 'atomic_fetch_sub_release' declared here atomic_fetch_sub_release(int i, atomic_t *v) ^ FETCH_FAMILY_TEST(64, fetch_sub, -=, onestwos); ^ lib/atomic64_test.c:69:14: note: expanded from macro 'FETCH_FAMILY_TEST' FAMILY_TEST(TEST_FETCH, bit, op, c_op, val); \ ^ lib/atomic64_test.c:182:2: note: did you mean 'atomic_fetch_sub_relaxed'? lib/atomic64_test.c:69:14: note: expanded from macro 'FETCH_FAMILY_TEST' FAMILY_TEST(TEST_FETCH, bit, op, c_op, val); \ ^ arch/powerpc/include/asm/atomic.h:95:1: note: 'atomic_fetch_sub_relaxed' declared here ATOMIC_OPS(sub, subf) ^ arch/powerpc/include/asm/atomic.h:92:2: note: expanded from macro 'ATOMIC_OPS' ATOMIC_FETCH_OP_RELAXED(op, asm_op) ^ arch/powerpc/include/asm/atomic.h:73:19: note: expanded from macro 'ATOMIC_FETCH_OP_RELAXED' static inline int atomic_fetch_##op##_relaxed(int a, atomic_t *v) \ ^ <scratch space>:92:1: note: expanded from here atomic_fetch_sub_relaxed ^ lib/atomic64_test.c:183:2: error: implicit declaration of function 'atomic64_fetch_sub_acquire' [-Werror,-Wimplicit-function-declaration] FETCH_FAMILY_TEST(64, fetch_sub, -=, -one); ^ lib/atomic64_test.c:69:14: note: expanded from macro 'FETCH_FAMILY_TEST' FAMILY_TEST(TEST_FETCH, bit, op, c_op, val); \ ^ lib/atomic64_test.c:183:2: error: implicit declaration of function 'atomic64_fetch_sub_release' [-Werror,-Wimplicit-function-declaration] lib/atomic64_test.c:69:14: note: expanded from macro 'FETCH_FAMILY_TEST' FAMILY_TEST(TEST_FETCH, bit, op, c_op, val); \ ^ lib/atomic64_test.c:183:2: error: implicit declaration of function 'atomic64_fetch_sub_relaxed' [-Werror,-Wimplicit-function-declaration] lib/atomic64_test.c:69:14: note: expanded from macro 'FETCH_FAMILY_TEST' FAMILY_TEST(TEST_FETCH, bit, op, c_op, val); \ ^ FETCH_FAMILY_TEST(64, fetch_or, |=, v1); ^ lib/atomic64_test.c:69:14: note: expanded from macro 'FETCH_FAMILY_TEST' FAMILY_TEST(TEST_FETCH, bit, op, c_op, val); \ ^ lib/atomic64_test.c:185:2: note: did you mean 'atomic_fetch_or_acquire'? lib/atomic64_test.c:69:14: note: expanded from macro 'FETCH_FAMILY_TEST' FAMILY_TEST(TEST_FETCH, bit, op, c_op, val); \ ^ include/linux/atomic-fallback.h:893:1: note: 'atomic_fetch_or_acquire' declared here atomic_fetch_or_acquire(int i, atomic_t *v) ^ FETCH_FAMILY_TEST(64, fetch_or, |=, v1); ^ lib/atomic64_test.c:69:14: note: expanded from macro 'FETCH_FAMILY_TEST' FAMILY_TEST(TEST_FETCH, bit, op, c_op, val); \ ^ lib/atomic64_test.c:185:2: note: did you mean 'atomic_fetch_or_release'? lib/atomic64_test.c:69:14: note: expanded from macro 'FETCH_FAMILY_TEST' FAMILY_TEST(TEST_FETCH, bit, op, c_op, val); \ ^ include/linux/atomic-fallback.h:904:1: note: 'atomic_fetch_or_release' declared here atomic_fetch_or_release(int i, atomic_t *v) ^ FETCH_FAMILY_TEST(64, fetch_or, |=, v1); ^ lib/atomic64_test.c:69:14: note: expanded from macro 'FETCH_FAMILY_TEST' FAMILY_TEST(TEST_FETCH, bit, op, c_op, val); \ ^ lib/atomic64_test.c:185:2: note: did you mean 'atomic_fetch_or_relaxed'? lib/atomic64_test.c:69:14: note: expanded from macro 'FETCH_FAMILY_TEST' FAMILY_TEST(TEST_FETCH, bit, op, c_op, val); \ ^ arch/powerpc/include/asm/atomic.h:109:1: note: 'atomic_fetch_or_relaxed' declared here ATOMIC_OPS(or, or) ^ arch/powerpc/include/asm/atomic.h:106:2: note: expanded from macro 'ATOMIC_OPS' ATOMIC_FETCH_OP_RELAXED(op, asm_op) ^ arch/powerpc/include/asm/atomic.h:73:19: note: expanded from macro 'ATOMIC_FETCH_OP_RELAXED' static inline int atomic_fetch_##op##_relaxed(int a, atomic_t *v) \ ^ <scratch space>:106:1: note: expanded from here atomic_fetch_or_relaxed ^ FETCH_FAMILY_TEST(64, fetch_and, &=, v1); ^ lib/atomic64_test.c:69:14: note: expanded from macro 'FETCH_FAMILY_TEST' FAMILY_TEST(TEST_FETCH, bit, op, c_op, val); \ ^ lib/atomic64_test.c:186:2: note: did you mean 'atomic_fetch_and_acquire'? lib/atomic64_test.c:69:14: note: expanded from macro 'FETCH_FAMILY_TEST' FAMILY_TEST(TEST_FETCH, bit, op, c_op, val); \ ^ include/linux/atomic-fallback.h:747:1: note: 'atomic_fetch_and_acquire' declared here atomic_fetch_and_acquire(int i, atomic_t *v) ^ FETCH_FAMILY_TEST(64, fetch_and, &=, v1); ^ lib/atomic64_test.c:69:14: note: expanded from macro 'FETCH_FAMILY_TEST' FAMILY_TEST(TEST_FETCH, bit, op, c_op, val); \ ^ lib/atomic64_test.c:186:2: note: did you mean 'atomic_fetch_and_release'? lib/atomic64_test.c:69:14: note: expanded from macro 'FETCH_FAMILY_TEST' FAMILY_TEST(TEST_FETCH, bit, op, c_op, val); \ ^ include/linux/atomic-fallback.h:758:1: note: 'atomic_fetch_and_release' declared here atomic_fetch_and_release(int i, atomic_t *v) ^ FETCH_FAMILY_TEST(64, fetch_and, &=, v1); ^ lib/atomic64_test.c:69:14: note: expanded from macro 'FETCH_FAMILY_TEST' FAMILY_TEST(TEST_FETCH, bit, op, c_op, val); \ ^ lib/atomic64_test.c:186:2: note: did you mean 'atomic_fetch_and_relaxed'? lib/atomic64_test.c:69:14: note: expanded from macro 'FETCH_FAMILY_TEST' FAMILY_TEST(TEST_FETCH, bit, op, c_op, val); \ ^ arch/powerpc/include/asm/atomic.h:108:1: note: 'atomic_fetch_and_relaxed' declared here ATOMIC_OPS(and, and) ^ arch/powerpc/include/asm/atomic.h:106:2: note: expanded from macro 'ATOMIC_OPS' ATOMIC_FETCH_OP_RELAXED(op, asm_op) ^ arch/powerpc/include/asm/atomic.h:73:19: note: expanded from macro 'ATOMIC_FETCH_OP_RELAXED' static inline int atomic_fetch_##op##_relaxed(int a, atomic_t *v) \ ^ <scratch space>:99:1: note: expanded from here atomic_fetch_and_relaxed ^ FETCH_FAMILY_TEST(64, fetch_andnot, &= ~, v1); ^ lib/atomic64_test.c:69:14: note: expanded from macro 'FETCH_FAMILY_TEST' FAMILY_TEST(TEST_FETCH, bit, op, c_op, val); \ ^ lib/atomic64_test.c:187:2: note: did you mean 'atomic_fetch_andnot_acquire'? lib/atomic64_test.c:69:14: note: expanded from macro 'FETCH_FAMILY_TEST' FAMILY_TEST(TEST_FETCH, bit, op, c_op, val); \ ^ include/linux/atomic-fallback.h:815:1: note: 'atomic_fetch_andnot_acquire' declared here atomic_fetch_andnot_acquire(int i, atomic_t *v) ^ fatal error: too many errors emitted, stopping now [-ferror-limit=] 20 errors generated. vim +/atomic64_sub_return_acquire +177 lib/atomic64_test.c 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 177 was first introduced by commit :::::: 978e5a3692c3b674b4c7c412e96835fd996c2ff4 atomics: Add test for atomic operations with _relaxed variants :::::: TO: Boqun Feng <boqun.feng(a)gmail.com&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