C++ (Cpp) intel_idle_cpu_init示例

示例#1

文件： processor_driver.c 项目： DirtyDroidX/android_kernel_htc_m8ul

static int acpi_cpu_soft_notify(struct notifier_block *nfb,
		unsigned long action, void *hcpu)
{
	unsigned int cpu = (unsigned long)hcpu;
	struct acpi_processor *pr = per_cpu(processors, cpu);

	if (action == CPU_ONLINE && pr) {
		if (pr->flags.need_hotplug_init) {
			struct cpuidle_driver *idle_driver =
				cpuidle_get_driver();

			printk(KERN_INFO "Will online and init hotplugged "
			       "CPU: %d\n", pr->id);
			WARN(acpi_processor_start(pr), "Failed to start CPU:"
				" %d\n", pr->id);
			pr->flags.need_hotplug_init = 0;
			if (idle_driver && !strcmp(idle_driver->name,
						   "intel_idle")) {
				intel_idle_cpu_init(pr->id);
			}
		
		} else {
			acpi_processor_ppc_has_changed(pr, 0);
			acpi_processor_cst_has_changed(pr);
			acpi_processor_reevaluate_tstate(pr, action);
			acpi_processor_tstate_has_changed(pr);
		}
	}
	if (action == CPU_DEAD && pr) {
		
		acpi_processor_reevaluate_tstate(pr, action);
	}
	return NOTIFY_OK;
}

示例#2

文件： processor_driver.c 项目： kozmikkick/tripndroid-endeavoru-3.6

static int acpi_cpu_soft_notify(struct notifier_block *nfb,
		unsigned long action, void *hcpu)
{
	unsigned int cpu = (unsigned long)hcpu;
	struct acpi_processor *pr = per_cpu(processors, cpu);

	if (action == CPU_ONLINE && pr) {
		/* CPU got physically hotplugged and onlined the first time:
		 * Initialize missing things
		 */
		if (pr->flags.need_hotplug_init) {
			struct cpuidle_driver *idle_driver =
				cpuidle_get_driver();

			printk(KERN_INFO "Will online and init hotplugged "
			       "CPU: %d\n", pr->id);
			WARN(acpi_processor_start(pr), "Failed to start CPU:"
				" %d\n", pr->id);
			pr->flags.need_hotplug_init = 0;
			if (idle_driver && !strcmp(idle_driver->name,
						   "intel_idle")) {
				intel_idle_cpu_init(pr->id);
			}
		/* Normal CPU soft online event */
		} else {
			acpi_processor_ppc_has_changed(pr, 0);
			acpi_processor_hotplug(pr);
			acpi_processor_reevaluate_tstate(pr, action);
			acpi_processor_tstate_has_changed(pr);
		}
	}
	if (action == CPU_DEAD && pr) {
		/* invalidate the flag.throttling after one CPU is offline */
		acpi_processor_reevaluate_tstate(pr, action);
	}
	return NOTIFY_OK;
}