Defined in 4 files as a macro:
- arch/riscv/include/asm/cmpxchg.h, line 110 (as a macro)
- include/asm-generic/atomic-instrumented.h, line 1662 (as a macro)
- include/linux/atomic-fallback.h, line 12 (as a macro)
- include/linux/atomic-fallback.h, line 21 (as a macro)