kgdb_cpu_enter
NOKPROBE_SYMBOL(kgdb_cpu_enter);
return kgdb_cpu_enter(ks, regs, DCPU_WANT_MASTER);
kgdb_cpu_enter(ks, regs, DCPU_IS_SLAVE);
kgdb_cpu_enter(ks, regs, DCPU_WANT_MASTER);