Hi Mark, I love your patch! Yet something to improve: [auto build test ERROR on linux/master] [also build test ERROR on linus/master next-20210701] [cannot apply to asm-generic/master sparc-next/master v5.13] [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] url: https://github.com/0day-ci/linux/commits/Mark-Rutland/HACK-disable-instrumentation-of-xchg-cmpxchg/20210706-035817 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git c54b245d011855ea91c5beff07f1db74143ce614 config: xtensa-randconfig-r035-20210705 (attached as .config) compiler: xtensa-linux-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/0day-ci/linux/commit/077d46116045ef95775b35f74f003921cb21c955 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Mark-Rutland/HACK-disable-instrumentation-of-xchg-cmpxchg/20210706-035817 git checkout 077d46116045ef95775b35f74f003921cb21c955 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=xtensa If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> 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_atomic': >> lib/atomic64_test.c:75:9: error: implicit declaration of function 'atomic_arch_xchg'; did you mean 'atomic_long_xchg'? [-Werror=implicit-function-declaration] 75 | BUG_ON(atomic##bit##_##op(&v, ##args) != ret); \ | ^~~~~~ include/linux/compiler.h:58:52: note: in definition of macro '__trace_if_var' 58 | #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) | ^~~~ include/asm-generic/bug.h:183:32: note: in expansion of macro 'if' 183 | #define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while (0) | ^~ include/linux/compiler.h:48:24: note: in expansion of macro '__branch_check__' 48 | # define unlikely(x) (__branch_check__(x, 0, __builtin_constant_p(x))) | ^~~~~~~~~~~~~~~~ include/asm-generic/bug.h:183:36: note: in expansion of macro 'unlikely' 183 | #define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while (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:38:2: note: in expansion of macro 'TEST_ARGS' 38 | test(bit, op, ##args); \ | ^~~~ lib/atomic64_test.c:81:2: note: in expansion of macro 'FAMILY_TEST' 81 | FAMILY_TEST(TEST_ARGS, bit, xchg, init, init, new, new); \ | ^~~~~~~~~~~ lib/atomic64_test.c:141:2: note: in expansion of macro 'XCHG_FAMILY_TEST' 141 | XCHG_FAMILY_TEST(, v0, v1); | ^~~~~~~~~~~~~~~~ >> lib/atomic64_test.c:75:9: error: implicit declaration of function 'atomic_arch_cmpxchg'; did you mean 'atomic_try_cmpxchg'? [-Werror=implicit-function-declaration] 75 | BUG_ON(atomic##bit##_##op(&v, ##args) != ret); \ | ^~~~~~ include/linux/compiler.h:58:52: note: in definition of macro '__trace_if_var' 58 | #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) | ^~~~ include/asm-generic/bug.h:183:32: note: in expansion of macro 'if' 183 | #define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while (0) | ^~ include/linux/compiler.h:48:24: note: in expansion of macro '__branch_check__' 48 | # define unlikely(x) (__branch_check__(x, 0, __builtin_constant_p(x))) | ^~~~~~~~~~~~~~~~ include/asm-generic/bug.h:183:36: note: in expansion of macro 'unlikely' 183 | #define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while (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:38:2: note: in expansion of macro 'TEST_ARGS' 38 | test(bit, op, ##args); \ | ^~~~ lib/atomic64_test.c:86:2: note: in expansion of macro 'FAMILY_TEST' 86 | FAMILY_TEST(TEST_ARGS, bit, cmpxchg, \ | ^~~~~~~~~~~ lib/atomic64_test.c:142:2: note: in expansion of macro 'CMPXCHG_FAMILY_TEST' 142 | CMPXCHG_FAMILY_TEST(, v0, v1, onestwos); | ^~~~~~~~~~~~~~~~~~~ lib/atomic64_test.c: In function 'test_atomic64': >> lib/atomic64_test.c:75:9: error: implicit declaration of function 'atomic64_arch_xchg'; did you mean 'atomic64_cmpxchg'? [-Werror=implicit-function-declaration] 75 | BUG_ON(atomic##bit##_##op(&v, ##args) != ret); \ | ^~~~~~ include/linux/compiler.h:58:52: note: in definition of macro '__trace_if_var' 58 | #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) | ^~~~ include/asm-generic/bug.h:183:32: note: in expansion of macro 'if' 183 | #define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while (0) | ^~ include/linux/compiler.h:48:24: note: in expansion of macro '__branch_check__' 48 | # define unlikely(x) (__branch_check__(x, 0, __builtin_constant_p(x))) | ^~~~~~~~~~~~~~~~ include/asm-generic/bug.h:183:36: note: in expansion of macro 'unlikely' 183 | #define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while (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:38:2: note: in expansion of macro 'TEST_ARGS' 38 | test(bit, op, ##args); \ | ^~~~ lib/atomic64_test.c:81:2: note: in expansion of macro 'FAMILY_TEST' 81 | FAMILY_TEST(TEST_ARGS, bit, xchg, init, init, new, new); \ | ^~~~~~~~~~~ lib/atomic64_test.c:203:2: note: in expansion of macro 'XCHG_FAMILY_TEST' 203 | XCHG_FAMILY_TEST(64, v0, v1); | ^~~~~~~~~~~~~~~~ >> lib/atomic64_test.c:75:9: error: implicit declaration of function 'atomic64_arch_cmpxchg'; did you mean 'atomic64_try_cmpxchg'? [-Werror=implicit-function-declaration] 75 | BUG_ON(atomic##bit##_##op(&v, ##args) != ret); \ | ^~~~~~ include/linux/compiler.h:58:52: note: in definition of macro '__trace_if_var' 58 | #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) | ^~~~ include/asm-generic/bug.h:183:32: note: in expansion of macro 'if' 183 | #define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while (0) | ^~ include/linux/compiler.h:48:24: note: in expansion of macro '__branch_check__' 48 | # define unlikely(x) (__branch_check__(x, 0, __builtin_constant_p(x))) | ^~~~~~~~~~~~~~~~ include/asm-generic/bug.h:183:36: note: in expansion of macro 'unlikely' 183 | #define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while (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:38:2: note: in expansion of macro 'TEST_ARGS' 38 | test(bit, op, ##args); \ | ^~~~ lib/atomic64_test.c:86:2: note: in expansion of macro 'FAMILY_TEST' 86 | FAMILY_TEST(TEST_ARGS, bit, cmpxchg, \ | ^~~~~~~~~~~ lib/atomic64_test.c:204:2: note: in expansion of macro 'CMPXCHG_FAMILY_TEST' 204 | CMPXCHG_FAMILY_TEST(64, v0, v1, v2); | ^~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +75 lib/atomic64_test.c 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 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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