__nmi_ipi_lock    372 arch/powerpc/kernel/smp.c static atomic_t __nmi_ipi_lock = ATOMIC_INIT(0);
__nmi_ipi_lock    381 arch/powerpc/kernel/smp.c 	while (atomic_cmpxchg(&__nmi_ipi_lock, 0, 1) == 1) {
__nmi_ipi_lock    383 arch/powerpc/kernel/smp.c 		spin_until_cond(atomic_read(&__nmi_ipi_lock) == 0);
__nmi_ipi_lock    391 arch/powerpc/kernel/smp.c 	while (atomic_cmpxchg(&__nmi_ipi_lock, 0, 1) == 1)
__nmi_ipi_lock    392 arch/powerpc/kernel/smp.c 		spin_until_cond(atomic_read(&__nmi_ipi_lock) == 0);
__nmi_ipi_lock    398 arch/powerpc/kernel/smp.c 	WARN_ON(atomic_read(&__nmi_ipi_lock) != 1);
__nmi_ipi_lock    399 arch/powerpc/kernel/smp.c 	atomic_set(&__nmi_ipi_lock, 0);