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Diffstat (limited to 'arch/ia64/kernel/topology.c')
-rw-r--r--arch/ia64/kernel/topology.c88
1 files changed, 57 insertions, 31 deletions
diff --git a/arch/ia64/kernel/topology.c b/arch/ia64/kernel/topology.c
index a2484fc1a06..f295f9abba4 100644
--- a/arch/ia64/kernel/topology.c
+++ b/arch/ia64/kernel/topology.c
@@ -17,40 +17,57 @@
#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>
#include <linux/notifier.h>
+#include <linux/export.h>
#include <asm/mmzone.h>
#include <asm/numa.h>
#include <asm/cpu.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 can be re-targetted or if this is not
+ * If CPEI can be re-targeted or if this is not
* CPEI target, then it is hotpluggable
*/
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)
{
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*/
@@ -118,11 +135,11 @@ struct cpu_cache_info {
struct kobject kobj;
};
-static struct cpu_cache_info all_cpu_cache_info[NR_CPUS] __cpuinitdata;
+static struct cpu_cache_info all_cpu_cache_info[NR_CPUS];
#define LEAF_KOBJECT_PTR(x,y) (&all_cpu_cache_info[x].cache_leaves[y])
#ifdef CONFIG_SMP
-static void __cpuinit cache_shared_cpu_map_setup( unsigned int cpu,
+static void cache_shared_cpu_map_setup(unsigned int cpu,
struct cache_info * this_leaf)
{
pal_cache_shared_info_t csi;
@@ -157,7 +174,7 @@ static void __cpuinit cache_shared_cpu_map_setup( unsigned int cpu,
&csi) == PAL_STATUS_SUCCESS);
}
#else
-static void __cpuinit cache_shared_cpu_map_setup(unsigned int cpu,
+static void cache_shared_cpu_map_setup(unsigned int cpu,
struct cache_info * this_leaf)
{
cpu_set(cpu, this_leaf->shared_cpu_map);
@@ -203,8 +220,9 @@ static ssize_t show_shared_cpu_map(struct cache_info *this_leaf, char *buf)
ssize_t len;
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);
+ cpumask_and(&shared_cpu_map,
+ &this_leaf->shared_cpu_map, cpu_online_mask);
+ len = cpumask_scnprintf(buf, NR_CPUS+1, &shared_cpu_map);
len += sprintf(buf+len, "\n");
return len;
}
@@ -257,7 +275,7 @@ static struct attribute * cache_default_attrs[] = {
#define to_object(k) container_of(k, struct cache_info, kobj)
#define to_attr(a) container_of(a, struct cache_attr, attr)
-static ssize_t cache_show(struct kobject * kobj, struct attribute * attr, char * buf)
+static ssize_t ia64_cache_show(struct kobject * kobj, struct attribute * attr, char * buf)
{
struct cache_attr *fattr = to_attr(attr);
struct cache_info *this_leaf = to_object(kobj);
@@ -267,8 +285,8 @@ static ssize_t cache_show(struct kobject * kobj, struct attribute * attr, char *
return ret;
}
-static struct sysfs_ops cache_sysfs_ops = {
- .show = cache_show
+static const struct sysfs_ops cache_sysfs_ops = {
+ .show = ia64_cache_show
};
static struct kobj_type cache_ktype = {
@@ -280,7 +298,7 @@ static struct kobj_type cache_ktype_percpu_entry = {
.sysfs_ops = &cache_sysfs_ops,
};
-static void __cpuinit cpu_cache_sysfs_exit(unsigned int cpu)
+static void cpu_cache_sysfs_exit(unsigned int cpu)
{
kfree(all_cpu_cache_info[cpu].cache_leaves);
all_cpu_cache_info[cpu].cache_leaves = NULL;
@@ -289,12 +307,12 @@ static void __cpuinit cpu_cache_sysfs_exit(unsigned int cpu)
return;
}
-static int __cpuinit cpu_cache_sysfs_init(unsigned int cpu)
+static int 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;
@@ -333,7 +351,7 @@ static int __cpuinit cpu_cache_sysfs_init(unsigned int cpu)
}
/* Add cache interface for CPU device */
-static int __cpuinit cache_add_dev(struct sys_device * sys_dev)
+static int cache_add_dev(struct device *sys_dev)
{
unsigned int cpu = sys_dev->id;
unsigned long i, j;
@@ -345,18 +363,22 @@ static int __cpuinit cache_add_dev(struct sys_device * sys_dev)
return 0;
oldmask = current->cpus_allowed;
- retval = set_cpus_allowed(current, cpumask_of_cpu(cpu));
+ retval = set_cpus_allowed_ptr(current, cpumask_of(cpu));
if (unlikely(retval))
return retval;
retval = cpu_cache_sysfs_init(cpu);
- set_cpus_allowed(current, oldmask);
+ set_cpus_allowed_ptr(current, &oldmask);
if (unlikely(retval < 0))
return retval;
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);
@@ -370,7 +392,7 @@ static int __cpuinit cache_add_dev(struct sys_device * sys_dev)
}
kobject_put(&all_cpu_cache_info[cpu].kobj);
cpu_cache_sysfs_exit(cpu);
- break;
+ return retval;
}
kobject_uevent(&(this_object->kobj), KOBJ_ADD);
}
@@ -379,7 +401,7 @@ static int __cpuinit cache_add_dev(struct sys_device * sys_dev)
}
/* Remove cache interface for CPU device */
-static int __cpuinit cache_remove_dev(struct sys_device * sys_dev)
+static int cache_remove_dev(struct device *sys_dev)
{
unsigned int cpu = sys_dev->id;
unsigned long i;
@@ -403,13 +425,13 @@ static int __cpuinit cache_remove_dev(struct sys_device * sys_dev)
* When a cpu is hot-plugged, do a check and initiate
* cache kobject if necessary
*/
-static int __cpuinit cache_cpu_callback(struct notifier_block *nfb,
+static int cache_cpu_callback(struct notifier_block *nfb,
unsigned long action, void *hcpu)
{
unsigned int cpu = (unsigned long)hcpu;
- struct sys_device *sys_dev;
+ struct device *sys_dev;
- sys_dev = get_cpu_sysdev(cpu);
+ sys_dev = get_cpu_device(cpu);
switch (action) {
case CPU_ONLINE:
case CPU_ONLINE_FROZEN:
@@ -423,7 +445,7 @@ static int __cpuinit cache_cpu_callback(struct notifier_block *nfb,
return NOTIFY_OK;
}
-static struct notifier_block __cpuinitdata cache_cpu_notifier =
+static struct notifier_block cache_cpu_notifier =
{
.notifier_call = cache_cpu_callback
};
@@ -432,12 +454,16 @@ static int __init cache_sysfs_init(void)
{
int i;
+ cpu_notifier_register_begin();
+
for_each_online_cpu(i) {
- struct sys_device *sys_dev = get_cpu_sysdev((unsigned int)i);
+ struct device *sys_dev = get_cpu_device((unsigned int)i);
cache_add_dev(sys_dev);
}
- register_hotcpu_notifier(&cache_cpu_notifier);
+ __register_hotcpu_notifier(&cache_cpu_notifier);
+
+ cpu_notifier_register_done();
return 0;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-10 06:13:34 +0000