backtrace_csd_busy  685 arch/mips/kernel/process.c static struct cpumask backtrace_csd_busy;
backtrace_csd_busy  690 arch/mips/kernel/process.c 	cpumask_clear_cpu(smp_processor_id(), &backtrace_csd_busy);
backtrace_csd_busy  705 arch/mips/kernel/process.c 		if (cpumask_test_and_set_cpu(cpu, &backtrace_csd_busy)) {