Esempi in C++ (Cpp) per sec_debug_task_log_msg

Esempio n. 1

File: cpu.c Progetto: duki994/SM-G850_Kernel_LP

/* Requires cpu_add_remove_lock to be held */
static int __cpuinit _cpu_up(unsigned int cpu, int tasks_frozen)
{
	int ret, nr_calls = 0;
	void *hcpu = (void *)(long)cpu;
	unsigned long mod = tasks_frozen ? CPU_TASKS_FROZEN : 0;
	struct task_struct *idle;

	cpu_hotplug_begin();
	sec_debug_task_log_msg(cpu, "cpu_up+");

	if (cpu_online(cpu) || !cpu_present(cpu)) {
		ret = -EINVAL;
		goto out;
	}

	idle = idle_thread_get(cpu);
	if (IS_ERR(idle)) {
		ret = PTR_ERR(idle);
		goto out;
	}

	ret = smpboot_create_threads(cpu);
	if (ret)
		goto out;

	ret = __cpu_notify(CPU_UP_PREPARE | mod, hcpu, -1, &nr_calls);
	if (ret) {
		nr_calls--;
		printk(KERN_WARNING "%s: attempt to bring up CPU %u failed\n",
				__func__, cpu);
		goto out_notify;
	}

	/* Arch-specific enabling code. */
	ret = __cpu_up(cpu, idle);
	if (ret != 0)
		goto out_notify;
	BUG_ON(!cpu_online(cpu));

	/* Wake the per cpu threads */
	smpboot_unpark_threads(cpu);

	/* Now call notifier in preparation. */
	cpu_notify(CPU_ONLINE | mod, hcpu);

out_notify:
	if (ret != 0)
		__cpu_notify(CPU_UP_CANCELED | mod, hcpu, nr_calls, NULL);
out:
	sec_debug_task_log_msg(cpu, "cpu_up-");
	cpu_hotplug_done();

	return ret;
}

Esempio n. 2

File: cpu.c Progetto: duki994/SM-G850_Kernel_LP

int __ref cpu_down(unsigned int cpu)
{
	int err;

	cpu_maps_update_begin();
	sec_debug_task_log_msg(cpu, "cpu_down+");

	if (cpu_hotplug_disabled) {
		err = -EBUSY;
		goto out;
	}

	err = _cpu_down(cpu, 0);

out:
	sec_debug_task_log_msg(cpu, "cpu_down-");
	cpu_maps_update_done();
	return err;
}

Esempio n. 3

File: cpu.c Progetto: aramos1988/Android_b2_Kernel

int __ref cpu_down(unsigned int cpu)
{
	int err;

	if (num_online_cpus() <= pm_qos_request(PM_QOS_CPU_ONLINE_MIN))
		return 0;

	cpu_maps_update_begin();
	sec_debug_task_log_msg(cpu, "cpudown+");

	if (cpu_hotplug_disabled) {
		err = -EBUSY;
		goto out;
	}

	err = _cpu_down(cpu, 0);

out:
	pr_info("_cpu_down ret=%d\n", err);
	sec_debug_task_log_msg(cpu, "cpudown-");
	cpu_maps_update_done();
	return err;
}

Esempio n. 4

File: cpu.c Progetto: aramos1988/Android_b2_Kernel

/* Requires cpu_add_remove_lock to be held */
static int __cpuinit _cpu_up(unsigned int cpu, int tasks_frozen)
{
	int ret, nr_calls = 0;
	void *hcpu = (void *)(long)cpu;
	unsigned long mod = tasks_frozen ? CPU_TASKS_FROZEN : 0;

	if (cpu_online(cpu) || !cpu_present(cpu))
		return -EINVAL;

	cpu_hotplug_begin();
	sec_debug_task_log_msg(cpu, "cpuup+");
	ret = __cpu_notify(CPU_UP_PREPARE | mod, hcpu, -1, &nr_calls);
	if (ret) {
		nr_calls--;
		printk(KERN_WARNING "%s: attempt to bring up CPU %u failed\n",
				__func__, cpu);
		goto out_notify;
	}

	/* Arch-specific enabling code. */
	ret = __cpu_up(cpu);
	if (ret != 0)
		goto out_notify;
	BUG_ON(!cpu_online(cpu));

	/* Now call notifier in preparation. */
	cpu_notify(CPU_ONLINE | mod, hcpu);

out_notify:
	if (ret != 0)
		__cpu_notify(CPU_UP_CANCELED | mod, hcpu, nr_calls, NULL);
	sec_debug_task_log_msg(cpu, "cpuup-");
	cpu_hotplug_done();

	return ret;
}