Defined in 4 files as a macro:

• arch/riscv/include/asm/spinlock.h, line 7 (as a macro)
• arch/x86/include/asm/qspinlock.h, line 14 (as a macro)
• kernel/locking/qspinlock.h, line 27 (as a macro)
• tools/testing/selftests/bpf/libarena/include/bpf_arena_spin_lock.h, line 69 (as a macro)

Referenced in 4 files:

• kernel/bpf/rqspinlock.c, line 360
• kernel/locking/qspinlock.c, line 173
• kernel/locking/qspinlock.h, line 26
• tools/testing/selftests/bpf/libarena/include/bpf_arena_spin_lock.h, line 259