Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

1 files changed, 0 insertions, 465 deletions

diff --git a/ANDROID_3.4.5/arch/s390/kernel/topology.c b/ANDROID_3.4.5/arch/s390/kernel/topology.c
deleted file mode 100644
index 4f8dc942..00000000
--- a/ANDROID_3.4.5/arch/s390/kernel/topology.c
+++ /dev/null
@@ -1,465 +0,0 @@
-/*
- *    Copyright IBM Corp. 2007,2011
- *    Author(s): Heiko Carstens <heiko.carstens@de.ibm.com>
- */
-
-#define KMSG_COMPONENT "cpu"
-#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
-
-#include <linux/workqueue.h>
-#include <linux/bootmem.h>
-#include <linux/cpuset.h>
-#include <linux/device.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/cpu.h>
-#include <linux/smp.h>
-#include <linux/mm.h>
-
-#define PTF_HORIZONTAL	(0UL)
-#define PTF_VERTICAL	(1UL)
-#define PTF_CHECK	(2UL)
-
-struct mask_info {
-	struct mask_info *next;
-	unsigned char id;
-	cpumask_t mask;
-};
-
-static int topology_enabled = 1;
-static void topology_work_fn(struct work_struct *work);
-static struct sysinfo_15_1_x *tl_info;
-static void set_topology_timer(void);
-static DECLARE_WORK(topology_work, topology_work_fn);
-/* topology_lock protects the core linked list */
-static DEFINE_SPINLOCK(topology_lock);
-
-static struct mask_info core_info;
-cpumask_t cpu_core_map[NR_CPUS];
-unsigned char cpu_core_id[NR_CPUS];
-
-static struct mask_info book_info;
-cpumask_t cpu_book_map[NR_CPUS];
-unsigned char cpu_book_id[NR_CPUS];
-
-/* smp_cpu_state_mutex must be held when accessing this array */
-int cpu_polarization[NR_CPUS];
-
-static cpumask_t cpu_group_map(struct mask_info *info, unsigned int cpu)
-{
-	cpumask_t mask;
-
-	cpumask_clear(&mask);
-	if (!topology_enabled || !MACHINE_HAS_TOPOLOGY) {
-		cpumask_copy(&mask, cpumask_of(cpu));
-		return mask;
-	}
-	while (info) {
-		if (cpumask_test_cpu(cpu, &info->mask)) {
-			mask = info->mask;
-			break;
-		}
-		info = info->next;
-	}
-	if (cpumask_empty(&mask))
-		cpumask_copy(&mask, cpumask_of(cpu));
-	return mask;
-}
-
-static struct mask_info *add_cpus_to_mask(struct topology_cpu *tl_cpu,
-					  struct mask_info *book,
-					  struct mask_info *core,
-					  int one_core_per_cpu)
-{
-	unsigned int cpu;
-
-	for (cpu = find_first_bit(&tl_cpu->mask[0], TOPOLOGY_CPU_BITS);
-	     cpu < TOPOLOGY_CPU_BITS;
-	     cpu = find_next_bit(&tl_cpu->mask[0], TOPOLOGY_CPU_BITS, cpu + 1))
-	{
-		unsigned int rcpu;
-		int lcpu;
-
-		rcpu = TOPOLOGY_CPU_BITS - 1 - cpu + tl_cpu->origin;
-		lcpu = smp_find_processor_id(rcpu);
-		if (lcpu >= 0) {
-			cpumask_set_cpu(lcpu, &book->mask);
-			cpu_book_id[lcpu] = book->id;
-			cpumask_set_cpu(lcpu, &core->mask);
-			if (one_core_per_cpu) {
-				cpu_core_id[lcpu] = rcpu;
-				core = core->next;
-			} else {
-				cpu_core_id[lcpu] = core->id;
-			}
-			cpu_set_polarization(lcpu, tl_cpu->pp);
-		}
-	}
-	return core;
-}
-
-static void clear_masks(void)
-{
-	struct mask_info *info;
-
-	info = &core_info;
-	while (info) {
-		cpumask_clear(&info->mask);
-		info = info->next;
-	}
-	info = &book_info;
-	while (info) {
-		cpumask_clear(&info->mask);
-		info = info->next;
-	}
-}
-
-static union topology_entry *next_tle(union topology_entry *tle)
-{
-	if (!tle->nl)
-		return (union topology_entry *)((struct topology_cpu *)tle + 1);
-	return (union topology_entry *)((struct topology_container *)tle + 1);
-}
-
-static void __tl_to_cores_generic(struct sysinfo_15_1_x *info)
-{
-	struct mask_info *core = &core_info;
-	struct mask_info *book = &book_info;
-	union topology_entry *tle, *end;
-
-	tle = info->tle;
-	end = (union topology_entry *)((unsigned long)info + info->length);
-	while (tle < end) {
-		switch (tle->nl) {
-		case 2:
-			book = book->next;
-			book->id = tle->container.id;
-			break;
-		case 1:
-			core = core->next;
-			core->id = tle->container.id;
-			break;
-		case 0:
-			add_cpus_to_mask(&tle->cpu, book, core, 0);
-			break;
-		default:
-			clear_masks();
-			return;
-		}
-		tle = next_tle(tle);
-	}
-}
-
-static void __tl_to_cores_z10(struct sysinfo_15_1_x *info)
-{
-	struct mask_info *core = &core_info;
-	struct mask_info *book = &book_info;
-	union topology_entry *tle, *end;
-
-	tle = info->tle;
-	end = (union topology_entry *)((unsigned long)info + info->length);
-	while (tle < end) {
-		switch (tle->nl) {
-		case 1:
-			book = book->next;
-			book->id = tle->container.id;
-			break;
-		case 0:
-			core = add_cpus_to_mask(&tle->cpu, book, core, 1);
-			break;
-		default:
-			clear_masks();
-			return;
-		}
-		tle = next_tle(tle);
-	}
-}
-
-static void tl_to_cores(struct sysinfo_15_1_x *info)
-{
-	struct cpuid cpu_id;
-
-	get_cpu_id(&cpu_id);
-	spin_lock_irq(&topology_lock);
-	clear_masks();
-	switch (cpu_id.machine) {
-	case 0x2097:
-	case 0x2098:
-		__tl_to_cores_z10(info);
-		break;
-	default:
-		__tl_to_cores_generic(info);
-	}
-	spin_unlock_irq(&topology_lock);
-}
-
-static void topology_update_polarization_simple(void)
-{
-	int cpu;
-
-	mutex_lock(&smp_cpu_state_mutex);
-	for_each_possible_cpu(cpu)
-		cpu_set_polarization(cpu, POLARIZATION_HRZ);
-	mutex_unlock(&smp_cpu_state_mutex);
-}
-
-static int ptf(unsigned long fc)
-{
-	int rc;
-
-	asm volatile(
-		"	.insn	rre,0xb9a20000,%1,%1\n"
-		"	ipm	%0\n"
-		"	srl	%0,28\n"
-		: "=d" (rc)
-		: "d" (fc)  : "cc");
-	return rc;
-}
-
-int topology_set_cpu_management(int fc)
-{
-	int cpu, rc;
-
-	if (!MACHINE_HAS_TOPOLOGY)
-		return -EOPNOTSUPP;
-	if (fc)
-		rc = ptf(PTF_VERTICAL);
-	else
-		rc = ptf(PTF_HORIZONTAL);
-	if (rc)
-		return -EBUSY;
-	for_each_possible_cpu(cpu)
-		cpu_set_polarization(cpu, POLARIZATION_UNKNOWN);
-	return rc;
-}
-
-static void update_cpu_core_map(void)
-{
-	unsigned long flags;
-	int cpu;
-
-	spin_lock_irqsave(&topology_lock, flags);
-	for_each_possible_cpu(cpu) {
-		cpu_core_map[cpu] = cpu_group_map(&core_info, cpu);
-		cpu_book_map[cpu] = cpu_group_map(&book_info, cpu);
-	}
-	spin_unlock_irqrestore(&topology_lock, flags);
-}
-
-void store_topology(struct sysinfo_15_1_x *info)
-{
-	int rc;
-
-	rc = stsi(info, 15, 1, 3);
-	if (rc != -ENOSYS)
-		return;
-	stsi(info, 15, 1, 2);
-}
-
-int arch_update_cpu_topology(void)
-{
-	struct sysinfo_15_1_x *info = tl_info;
-	struct device *dev;
-	int cpu;
-
-	if (!MACHINE_HAS_TOPOLOGY) {
-		update_cpu_core_map();
-		topology_update_polarization_simple();
-		return 0;
-	}
-	store_topology(info);
-	tl_to_cores(info);
-	update_cpu_core_map();
-	for_each_online_cpu(cpu) {
-		dev = get_cpu_device(cpu);
-		kobject_uevent(&dev->kobj, KOBJ_CHANGE);
-	}
-	return 1;
-}
-
-static void topology_work_fn(struct work_struct *work)
-{
-	rebuild_sched_domains();
-}
-
-void topology_schedule_update(void)
-{
-	schedule_work(&topology_work);
-}
-
-static void topology_timer_fn(unsigned long ignored)
-{
-	if (ptf(PTF_CHECK))
-		topology_schedule_update();
-	set_topology_timer();
-}
-
-static struct timer_list topology_timer =
-	TIMER_DEFERRED_INITIALIZER(topology_timer_fn, 0, 0);
-
-static atomic_t topology_poll = ATOMIC_INIT(0);
-
-static void set_topology_timer(void)
-{
-	if (atomic_add_unless(&topology_poll, -1, 0))
-		mod_timer(&topology_timer, jiffies + HZ / 10);
-	else
-		mod_timer(&topology_timer, jiffies + HZ * 60);
-}
-
-void topology_expect_change(void)
-{
-	if (!MACHINE_HAS_TOPOLOGY)
-		return;
-	/* This is racy, but it doesn't matter since it is just a heuristic.
-	 * Worst case is that we poll in a higher frequency for a bit longer.
-	 */
-	if (atomic_read(&topology_poll) > 60)
-		return;
-	atomic_add(60, &topology_poll);
-	set_topology_timer();
-}
-
-static int __init early_parse_topology(char *p)
-{
-	if (strncmp(p, "off", 3))
-		return 0;
-	topology_enabled = 0;
-	return 0;
-}
-early_param("topology", early_parse_topology);
-
-static void __init alloc_masks(struct sysinfo_15_1_x *info,
-			       struct mask_info *mask, int offset)
-{
-	int i, nr_masks;
-
-	nr_masks = info->mag[TOPOLOGY_NR_MAG - offset];
-	for (i = 0; i < info->mnest - offset; i++)
-		nr_masks *= info->mag[TOPOLOGY_NR_MAG - offset - 1 - i];
-	nr_masks = max(nr_masks, 1);
-	for (i = 0; i < nr_masks; i++) {
-		mask->next = alloc_bootmem(sizeof(struct mask_info));
-		mask = mask->next;
-	}
-}
-
-void __init s390_init_cpu_topology(void)
-{
-	struct sysinfo_15_1_x *info;
-	int i;
-
-	if (!MACHINE_HAS_TOPOLOGY)
-		return;
-	tl_info = alloc_bootmem_pages(PAGE_SIZE);
-	info = tl_info;
-	store_topology(info);
-	pr_info("The CPU configuration topology of the machine is:");
-	for (i = 0; i < TOPOLOGY_NR_MAG; i++)
-		printk(KERN_CONT " %d", info->mag[i]);
-	printk(KERN_CONT " / %d\n", info->mnest);
-	alloc_masks(info, &core_info, 1);
-	alloc_masks(info, &book_info, 2);
-}
-
-static int cpu_management;
-
-static ssize_t dispatching_show(struct device *dev,
-				struct device_attribute *attr,
-				char *buf)
-{
-	ssize_t count;
-
-	mutex_lock(&smp_cpu_state_mutex);
-	count = sprintf(buf, "%d\n", cpu_management);
-	mutex_unlock(&smp_cpu_state_mutex);
-	return count;
-}
-
-static ssize_t dispatching_store(struct device *dev,
-				 struct device_attribute *attr,
-				 const char *buf,
-				 size_t count)
-{
-	int val, rc;
-	char delim;
-
-	if (sscanf(buf, "%d %c", &val, &delim) != 1)
-		return -EINVAL;
-	if (val != 0 && val != 1)
-		return -EINVAL;
-	rc = 0;
-	get_online_cpus();
-	mutex_lock(&smp_cpu_state_mutex);
-	if (cpu_management == val)
-		goto out;
-	rc = topology_set_cpu_management(val);
-	if (rc)
-		goto out;
-	cpu_management = val;
-	topology_expect_change();
-out:
-	mutex_unlock(&smp_cpu_state_mutex);
-	put_online_cpus();
-	return rc ? rc : count;
-}
-static DEVICE_ATTR(dispatching, 0644, dispatching_show,
-			 dispatching_store);
-
-static ssize_t cpu_polarization_show(struct device *dev,
-				     struct device_attribute *attr, char *buf)
-{
-	int cpu = dev->id;
-	ssize_t count;
-
-	mutex_lock(&smp_cpu_state_mutex);
-	switch (cpu_read_polarization(cpu)) {
-	case POLARIZATION_HRZ:
-		count = sprintf(buf, "horizontal\n");
-		break;
-	case POLARIZATION_VL:
-		count = sprintf(buf, "vertical:low\n");
-		break;
-	case POLARIZATION_VM:
-		count = sprintf(buf, "vertical:medium\n");
-		break;
-	case POLARIZATION_VH:
-		count = sprintf(buf, "vertical:high\n");
-		break;
-	default:
-		count = sprintf(buf, "unknown\n");
-		break;
-	}
-	mutex_unlock(&smp_cpu_state_mutex);
-	return count;
-}
-static DEVICE_ATTR(polarization, 0444, cpu_polarization_show, NULL);
-
-static struct attribute *topology_cpu_attrs[] = {
-	&dev_attr_polarization.attr,
-	NULL,
-};
-
-static struct attribute_group topology_cpu_attr_group = {
-	.attrs = topology_cpu_attrs,
-};
-
-int topology_cpu_init(struct cpu *cpu)
-{
-	return sysfs_create_group(&cpu->dev.kobj, &topology_cpu_attr_group);
-}
-
-static int __init topology_init(void)
-{
-	if (!MACHINE_HAS_TOPOLOGY) {
-		topology_update_polarization_simple();
-		goto out;
-	}
-	set_topology_timer();
-out:
-	update_cpu_core_map();
-	return device_create_file(cpu_subsys.dev_root, &dev_attr_dispatching);
-}
-device_initcall(topology_init);