FYI, The Linux -next build failed due to below warnings/errors.
include/asm-generic/bitops/atomic.h: In function 'set_bit': include/asm-generic/bitops/atomic.h:17:2: error: implicit declaration of function 'atomic_long_or'; did you mean '__atomic_load_n'? [-Werror=implicit-function-declaration] atomic_long_or(BIT_MASK(nr), (atomic_long_t *)p); ^~~~~~~~~~~~~~ __atomic_load_n include/asm-generic/bitops/atomic.h: In function 'clear_bit': include/asm-generic/bitops/atomic.h:23:2: error: implicit declaration of function 'atomic_long_andnot'; did you mean '__atomic_test_and_set'? [-Werror=implicit-function-declaration] atomic_long_andnot(BIT_MASK(nr), (atomic_long_t *)p); ^~~~~~~~~~~~~~~~~~ __atomic_test_and_set include/asm-generic/bitops/atomic.h: In function 'change_bit': include/asm-generic/bitops/atomic.h:29:2: error: implicit declaration of function 'atomic_long_xor'; did you mean '__atomic_load_n'? [-Werror=implicit-function-declaration] atomic_long_xor(BIT_MASK(nr), (atomic_long_t *)p); ^~~~~~~~~~~~~~~ __atomic_load_n include/asm-generic/bitops/atomic.h: In function 'test_and_set_bit': include/asm-generic/bitops/atomic.h:41:8: error: implicit declaration of function 'atomic_long_fetch_or'; did you mean '__atomic_and_fetch_1'? [-Werror=implicit-function-declaration] old = atomic_long_fetch_or(mask, (atomic_long_t *)p); ^~~~~~~~~~~~~~~~~~~~ __atomic_and_fetch_1 include/asm-generic/bitops/atomic.h: In function 'test_and_clear_bit': include/asm-generic/bitops/atomic.h:54:8: error: implicit declaration of function 'atomic_long_fetch_andnot'; did you mean 'arch_atomic64_fetch_andnot'? [-Werror=implicit-function-declaration] old = atomic_long_fetch_andnot(mask, (atomic_long_t *)p); ^~~~~~~~~~~~~~~~~~~~~~~~ arch_atomic64_fetch_andnot include/asm-generic/bitops/atomic.h: In function 'test_and_change_bit': include/asm-generic/bitops/atomic.h:64:8: error: implicit declaration of function 'atomic_long_fetch_xor'; did you mean '__atomic_fetch_xor'? [-Werror=implicit-function-declaration] old = atomic_long_fetch_xor(mask, (atomic_long_t *)p); ^~~~~~~~~~~~~~~~~~~~~ __atomic_fetch_xor cc1: some warnings being treated as errors full log details, https://ci.linaro.org/job/openembedded-lkft-linux-next/DISTRO=rpb,MACHINE=juno,label=docker-stretch-amd64/407/consoleText Best regards Naresh Kamboju