kdb_printf_cpu    164 include/linux/kdb.h extern int kdb_printf_cpu;
kdb_printf_cpu     33 kernel/debug/kdb/kdb_io.c int kdb_printf_cpu = -1;
kdb_printf_cpu    576 kernel/debug/kdb/kdb_io.c 		old_cpu = cmpxchg(&kdb_printf_cpu, -1, this_cpu);
kdb_printf_cpu    850 kernel/debug/kdb/kdb_io.c 	smp_store_release(&kdb_printf_cpu, old_cpu);
kdb_printf_cpu   2046 kernel/printk/printk.c 	if (unlikely(kdb_trap_printk && kdb_printf_cpu < 0)) {