* Populate cpu cache entries in sysfs for cpu cache info
*/
-#include <linux/config.h>
#include <linux/cpu.h>
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/node.h>
+#include <linux/slab.h>
#include <linux/init.h>
#include <linux/bootmem.h>
#include <linux/nodemask.h>
static struct ia64_cpu *sysfs_cpus;
-int arch_register_cpu(int num)
+void arch_fix_phys_package_id(int num, u32 slot)
{
-#if defined (CONFIG_ACPI) && defined (CONFIG_HOTPLUG_CPU)
+#ifdef CONFIG_SMP
+ if (cpu_data(num)->socket_id == -1)
+ cpu_data(num)->socket_id = slot;
+#endif
+}
+EXPORT_SYMBOL_GPL(arch_fix_phys_package_id);
+
+
+#ifdef CONFIG_HOTPLUG_CPU
+int __ref arch_register_cpu(int num)
+{
+#ifdef CONFIG_ACPI
/*
- * If CPEI cannot be re-targetted, and this is
- * CPEI target, then dont create the control file
+ * If CPEI can be re-targetted or if this is not
+ * CPEI target, then it is hotpluggable
*/
- if (!can_cpei_retarget() && is_cpu_cpei_target(num))
- sysfs_cpus[num].cpu.no_control = 1;
+ if (can_cpei_retarget() || !is_cpu_cpei_target(num))
+ sysfs_cpus[num].cpu.hotpluggable = 1;
+ map_cpu_to_node(num, node_cpuid[num].nid);
#endif
-
return register_cpu(&sysfs_cpus[num].cpu, num);
}
+EXPORT_SYMBOL(arch_register_cpu);
-#ifdef CONFIG_HOTPLUG_CPU
-
-void arch_unregister_cpu(int num)
+void __ref arch_unregister_cpu(int num)
{
- return unregister_cpu(&sysfs_cpus[num].cpu);
+ unregister_cpu(&sysfs_cpus[num].cpu);
+#ifdef CONFIG_ACPI
+ unmap_cpu_from_node(num, cpu_to_node(num));
+#endif
}
-EXPORT_SYMBOL(arch_register_cpu);
EXPORT_SYMBOL(arch_unregister_cpu);
+#else
+static int __init arch_register_cpu(int num)
+{
+ return register_cpu(&sysfs_cpus[num].cpu, num);
+}
#endif /*CONFIG_HOTPLUG_CPU*/
#endif
sysfs_cpus = kzalloc(sizeof(struct ia64_cpu) * NR_CPUS, GFP_KERNEL);
- if (!sysfs_cpus) {
- err = -ENOMEM;
- goto out;
- }
+ if (!sysfs_cpus)
+ panic("kzalloc in topology_init failed - NR_CPUS too big?");
for_each_present_cpu(i) {
if((err = arch_register_cpu(i)))
struct kobject kobj;
};
-static struct cpu_cache_info all_cpu_cache_info[NR_CPUS];
+static struct cpu_cache_info all_cpu_cache_info[NR_CPUS] __cpuinitdata;
#define LEAF_KOBJECT_PTR(x,y) (&all_cpu_cache_info[x].cache_leaves[y])
#ifdef CONFIG_SMP
-static void cache_shared_cpu_map_setup( unsigned int cpu,
+static void __cpuinit cache_shared_cpu_map_setup( unsigned int cpu,
struct cache_info * this_leaf)
{
pal_cache_shared_info_t csi;
&csi) == PAL_STATUS_SUCCESS);
}
#else
-static void cache_shared_cpu_map_setup(unsigned int cpu,
+static void __cpuinit cache_shared_cpu_map_setup(unsigned int cpu,
struct cache_info * this_leaf)
{
cpu_set(cpu, this_leaf->shared_cpu_map);
cpumask_t shared_cpu_map;
cpus_and(shared_cpu_map, this_leaf->shared_cpu_map, cpu_online_map);
- len = cpumask_scnprintf(buf, NR_CPUS+1, shared_cpu_map);
+ len = cpumask_scnprintf(buf, NR_CPUS+1, &shared_cpu_map);
len += sprintf(buf+len, "\n");
return len;
}
return ret;
}
-static struct sysfs_ops cache_sysfs_ops = {
+static const struct sysfs_ops cache_sysfs_ops = {
.show = cache_show
};
static int __cpuinit cpu_cache_sysfs_init(unsigned int cpu)
{
- u64 i, levels, unique_caches;
+ unsigned long i, levels, unique_caches;
pal_cache_config_info_t cci;
int j;
- s64 status;
+ long status;
struct cache_info *this_cache;
int num_cache_leaves = 0;
if (unlikely(retval < 0))
return retval;
- all_cpu_cache_info[cpu].kobj.parent = &sys_dev->kobj;
- kobject_set_name(&all_cpu_cache_info[cpu].kobj, "%s", "cache");
- all_cpu_cache_info[cpu].kobj.ktype = &cache_ktype_percpu_entry;
- retval = kobject_register(&all_cpu_cache_info[cpu].kobj);
+ retval = kobject_init_and_add(&all_cpu_cache_info[cpu].kobj,
+ &cache_ktype_percpu_entry, &sys_dev->kobj,
+ "%s", "cache");
+ if (unlikely(retval < 0)) {
+ cpu_cache_sysfs_exit(cpu);
+ return retval;
+ }
for (i = 0; i < all_cpu_cache_info[cpu].num_cache_leaves; i++) {
this_object = LEAF_KOBJECT_PTR(cpu,i);
- this_object->kobj.parent = &all_cpu_cache_info[cpu].kobj;
- kobject_set_name(&(this_object->kobj), "index%1lu", i);
- this_object->kobj.ktype = &cache_ktype;
- retval = kobject_register(&(this_object->kobj));
+ retval = kobject_init_and_add(&(this_object->kobj),
+ &cache_ktype,
+ &all_cpu_cache_info[cpu].kobj,
+ "index%1lu", i);
if (unlikely(retval)) {
for (j = 0; j < i; j++) {
- kobject_unregister(
- &(LEAF_KOBJECT_PTR(cpu,j)->kobj));
+ kobject_put(&(LEAF_KOBJECT_PTR(cpu,j)->kobj));
}
- kobject_unregister(&all_cpu_cache_info[cpu].kobj);
+ kobject_put(&all_cpu_cache_info[cpu].kobj);
cpu_cache_sysfs_exit(cpu);
- break;
+ return retval;
}
+ kobject_uevent(&(this_object->kobj), KOBJ_ADD);
}
+ kobject_uevent(&all_cpu_cache_info[cpu].kobj, KOBJ_ADD);
return retval;
}
unsigned long i;
for (i = 0; i < all_cpu_cache_info[cpu].num_cache_leaves; i++)
- kobject_unregister(&(LEAF_KOBJECT_PTR(cpu,i)->kobj));
+ kobject_put(&(LEAF_KOBJECT_PTR(cpu,i)->kobj));
if (all_cpu_cache_info[cpu].kobj.parent) {
- kobject_unregister(&all_cpu_cache_info[cpu].kobj);
+ kobject_put(&all_cpu_cache_info[cpu].kobj);
memset(&all_cpu_cache_info[cpu].kobj,
0,
sizeof(struct kobject));
sys_dev = get_cpu_sysdev(cpu);
switch (action) {
case CPU_ONLINE:
+ case CPU_ONLINE_FROZEN:
cache_add_dev(sys_dev);
break;
case CPU_DEAD:
+ case CPU_DEAD_FROZEN:
cache_remove_dev(sys_dev);
break;
}
.notifier_call = cache_cpu_callback
};
-static int __cpuinit cache_sysfs_init(void)
+static int __init cache_sysfs_init(void)
{
int i;
for_each_online_cpu(i) {
- cache_cpu_callback(&cache_cpu_notifier, CPU_ONLINE,
- (void *)(long)i);
+ struct sys_device *sys_dev = get_cpu_sysdev((unsigned int)i);
+ cache_add_dev(sys_dev);
}
- register_cpu_notifier(&cache_cpu_notifier);
+ register_hotcpu_notifier(&cache_cpu_notifier);
return 0;
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff