C++ (Cpp) arch_register_cpu示例

示例#1

文件： topology.c 项目： 12019/linux-2.6.34-ts471x

static int __init topology_init(void)
{
	int i, err = 0;

#ifdef CONFIG_NUMA
	/*
	 * MCD - Do we want to register all ONLINE nodes, or all POSSIBLE nodes?
	 */
	for_each_online_node(i) {
		if ((err = register_one_node(i)))
			goto out;
	}
#endif

	sysfs_cpus = kzalloc(sizeof(struct ia64_cpu) * NR_CPUS, GFP_KERNEL);
	if (!sysfs_cpus)
		panic("kzalloc in topology_init failed - NR_CPUS too big?");

	for_each_present_cpu(i) {
		if((err = arch_register_cpu(i)))
			goto out;
	}
out:
	return err;
}

示例#2

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

static acpi_status acpi_processor_hotadd_init(struct acpi_processor *pr)
{
	acpi_handle handle = pr->handle;

	if (!is_processor_present(handle)) {
		return AE_ERROR;
	}

	if (acpi_map_lsapic(handle, &pr->id))
		return AE_ERROR;

	if (arch_register_cpu(pr->id)) {
		acpi_unmap_lsapic(pr->id);
		return AE_ERROR;
	}

	/* CPU got hot-plugged, but cpu_data is not initialized yet
	 * Set flag to delay cpu_idle/throttling initialization
	 * in:
	 * acpi_processor_add()
	 *   acpi_processor_get_info()
	 * and do it when the CPU gets online the first time
	 * TBD: Cleanup above functions and try to do this more elegant.
	 */
	printk(KERN_INFO "CPU %d got hotplugged\n", pr->id);
	pr->flags.need_hotplug_init = 1;

	return AE_OK;
}

示例#3

文件： acpi_processor.c 项目： gbraad/alce68k

static int acpi_processor_hotadd_init(struct acpi_processor *pr)
{
	unsigned long long sta;
	acpi_status status;
	int ret;

	status = acpi_evaluate_integer(pr->handle, "_STA", NULL, &sta);
	if (ACPI_FAILURE(status) || !(sta & ACPI_STA_DEVICE_PRESENT))
		return -ENODEV;

	ret = acpi_map_lsapic(pr->handle, &pr->id);
	if (ret)
		return ret;

	ret = arch_register_cpu(pr->id);
	if (ret) {
		acpi_unmap_lsapic(pr->id);
		return ret;
	}

	/*
	 * CPU got hot-added, but cpu_data is not initialized yet.  Set a flag
	 * to delay cpu_idle/throttling initialization and do it when the CPU
	 * gets online for the first time.
	 */
	pr_info("CPU%d has been hot-added\n", pr->id);
	pr->flags.need_hotplug_init = 1;
	return 0;
}

示例#4

文件： cpu_hotplug.c 项目： AD5GB/kernel_n5_3.10-experimental

static void enable_hotplug_cpu(int cpu)
{
	if (!cpu_present(cpu))
		arch_register_cpu(cpu);

	set_cpu_present(cpu, true);
}

示例#5

文件： topology.c 项目： kzlin129/tt-gpl

static int __init topology_init(void)
{
	int i, err = 0;

#ifdef CONFIG_NUMA
	sysfs_nodes = kmalloc(sizeof(struct node) * MAX_NUMNODES, GFP_KERNEL);
	if (!sysfs_nodes) {
		err = -ENOMEM;
		goto out;
	}
	memset(sysfs_nodes, 0, sizeof(struct node) * MAX_NUMNODES);

	/* MCD - Do we want to register all ONLINE nodes, or all POSSIBLE nodes? */
	for_each_online_node(i)
		if ((err = register_node(&sysfs_nodes[i], i, 0)))
			goto out;
#endif

	sysfs_cpus = kmalloc(sizeof(struct ia64_cpu) * NR_CPUS, GFP_KERNEL);
	if (!sysfs_cpus) {
		err = -ENOMEM;
		goto out;
	}
	memset(sysfs_cpus, 0, sizeof(struct ia64_cpu) * NR_CPUS);

	for_each_present_cpu(i)
		if((err = arch_register_cpu(i)))
			goto out;
out:
	return err;
}

示例#6

文件： cpu_hotplug.c 项目： mpalmer/linux-2.6

static void enable_hotplug_cpu(int cpu)
{
	if (!cpu_present(cpu))
		arch_register_cpu(cpu);

	cpu_set(cpu, cpu_present_map);
}

示例#7

文件： topology.c 项目： Dronevery/JetsonTK1-kernel

static int __init topology_init(void)
{
    int i;

    for (i = 0; i < NR_CPUS; i++)
        if (cpu_possible(i)) arch_register_cpu(i);
    return 0;
}

示例#8

文件： topology.c 项目： kzlin129/tt-gpl

static int __init topology_init(void)
{
	int i;

	for_each_cpu(i)
		arch_register_cpu(i);
	return 0;
}

示例#9

文件： topology.c 项目： Broadcom/stblinux-2.6.18

static int __init topology_init(void)
{
	int i;

	for_each_online_node(i)
		register_one_node(i);

	for_each_present_cpu(i)
		arch_register_cpu(i);
	return 0;
}

示例#10

文件： topology.c 项目： Dronevery/JetsonTK1-kernel

static int __init topology_init(void)
{
    int i;

    for (i = 0; i < MAX_NUMNODES; i++) {
        if (node_online(i))
            arch_register_node(i);
    }
    for (i = 0; i < NR_CPUS; i++)
        if (cpu_possible(i)) arch_register_cpu(i);
    return 0;
}

示例#11

文件： topology.c 项目： sarnobat/knoppix

static int __init topology_init(void)
{
	int i;

	for (i = 0; i < num_online_nodes(); i++)
		arch_register_node(i);
	for (i = 0; i < NR_CPUS; i++)
		if (cpu_possible(i)) arch_register_cpu(i);
	for (i = 0; i < num_online_memblks(); i++)
		arch_register_memblk(i);
	return 0;
}

示例#12

文件： topology.c 项目： 3sOx/asuswrt-merlin

static int __init topology_init(void)
{
	int i;

#ifdef CONFIG_NUMA
	for_each_online_node(i)
		register_one_node(i);
#endif /* CONFIG_NUMA */

	for_each_present_cpu(i)
		arch_register_cpu(i);
	return 0;
}

示例#13

文件： processor_core.c 项目： 12019/kernel_zte_u880

static acpi_status acpi_processor_hotadd_init(acpi_handle handle, int *p_cpu)
{

	if (!is_processor_present(handle)) {
		return AE_ERROR;
	}

	if (acpi_map_lsapic(handle, p_cpu))
		return AE_ERROR;

	if (arch_register_cpu(*p_cpu)) {
		acpi_unmap_lsapic(*p_cpu);
		return AE_ERROR;
	}

	return AE_OK;
}

示例#14

文件： processor_core.c 项目： gnensis/linux-2.6.15

static acpi_status acpi_processor_hotadd_init(acpi_handle handle, int *p_cpu)
{
	ACPI_FUNCTION_TRACE("acpi_processor_hotadd_init");

	if (!is_processor_present(handle)) {
		return_VALUE(AE_ERROR);
	}

	if (acpi_map_lsapic(handle, p_cpu))
		return_VALUE(AE_ERROR);

	if (arch_register_cpu(*p_cpu)) {
		acpi_unmap_lsapic(*p_cpu);
		return_VALUE(AE_ERROR);
	}

	return_VALUE(AE_OK);
}

示例#15

文件： processor_driver.c 项目： DirtyDroidX/android_kernel_htc_m8ul

static acpi_status acpi_processor_hotadd_init(struct acpi_processor *pr)
{
	acpi_handle handle = pr->handle;

	if (!is_processor_present(handle)) {
		return AE_ERROR;
	}

	if (acpi_map_lsapic(handle, &pr->id))
		return AE_ERROR;

	if (arch_register_cpu(pr->id)) {
		acpi_unmap_lsapic(pr->id);
		return AE_ERROR;
	}

	printk(KERN_INFO "CPU %d got hotplugged\n", pr->id);
	pr->flags.need_hotplug_init = 1;

	return AE_OK;
}