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Diffstat (limited to 'arch/x86/kernel/cpu/intel_cacheinfo.c')
-rw-r--r--arch/x86/kernel/cpu/intel_cacheinfo.c67
1 files changed, 34 insertions, 33 deletions
diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c
index 6c40f6b5b340..fc6c8ef92dcc 100644
--- a/arch/x86/kernel/cpu/intel_cacheinfo.c
+++ b/arch/x86/kernel/cpu/intel_cacheinfo.c
@@ -499,26 +499,27 @@ unsigned int __cpuinit init_intel_cacheinfo(struct cpuinfo_x86 *c)
#ifdef CONFIG_SYSFS
/* pointer to _cpuid4_info array (for each cache leaf) */
-static DEFINE_PER_CPU(struct _cpuid4_info *, cpuid4_info);
-#define CPUID4_INFO_IDX(x, y) (&((per_cpu(cpuid4_info, x))[y]))
+static DEFINE_PER_CPU(struct _cpuid4_info *, ici_cpuid4_info);
+#define CPUID4_INFO_IDX(x, y) (&((per_cpu(ici_cpuid4_info, x))[y]))
#ifdef CONFIG_SMP
static void __cpuinit cache_shared_cpu_map_setup(unsigned int cpu, int index)
{
struct _cpuid4_info *this_leaf, *sibling_leaf;
unsigned long num_threads_sharing;
- int index_msb, i;
+ int index_msb, i, sibling;
struct cpuinfo_x86 *c = &cpu_data(cpu);
if ((index == 3) && (c->x86_vendor == X86_VENDOR_AMD)) {
- struct cpuinfo_x86 *d;
- for_each_online_cpu(i) {
- if (!per_cpu(cpuid4_info, i))
+ for_each_cpu(i, c->llc_shared_map) {
+ if (!per_cpu(ici_cpuid4_info, i))
continue;
- d = &cpu_data(i);
this_leaf = CPUID4_INFO_IDX(i, index);
- cpumask_copy(to_cpumask(this_leaf->shared_cpu_map),
- d->llc_shared_map);
+ for_each_cpu(sibling, c->llc_shared_map) {
+ if (!cpu_online(sibling))
+ continue;
+ set_bit(sibling, this_leaf->shared_cpu_map);
+ }
}
return;
}
@@ -535,7 +536,7 @@ static void __cpuinit cache_shared_cpu_map_setup(unsigned int cpu, int index)
c->apicid >> index_msb) {
cpumask_set_cpu(i,
to_cpumask(this_leaf->shared_cpu_map));
- if (i != cpu && per_cpu(cpuid4_info, i)) {
+ if (i != cpu && per_cpu(ici_cpuid4_info, i)) {
sibling_leaf =
CPUID4_INFO_IDX(i, index);
cpumask_set_cpu(cpu, to_cpumask(
@@ -574,8 +575,8 @@ static void __cpuinit free_cache_attributes(unsigned int cpu)
for (i = 0; i < num_cache_leaves; i++)
cache_remove_shared_cpu_map(cpu, i);
- kfree(per_cpu(cpuid4_info, cpu));
- per_cpu(cpuid4_info, cpu) = NULL;
+ kfree(per_cpu(ici_cpuid4_info, cpu));
+ per_cpu(ici_cpuid4_info, cpu) = NULL;
}
static int
@@ -614,15 +615,15 @@ static int __cpuinit detect_cache_attributes(unsigned int cpu)
if (num_cache_leaves == 0)
return -ENOENT;
- per_cpu(cpuid4_info, cpu) = kzalloc(
+ per_cpu(ici_cpuid4_info, cpu) = kzalloc(
sizeof(struct _cpuid4_info) * num_cache_leaves, GFP_KERNEL);
- if (per_cpu(cpuid4_info, cpu) == NULL)
+ if (per_cpu(ici_cpuid4_info, cpu) == NULL)
return -ENOMEM;
smp_call_function_single(cpu, get_cpu_leaves, &retval, true);
if (retval) {
- kfree(per_cpu(cpuid4_info, cpu));
- per_cpu(cpuid4_info, cpu) = NULL;
+ kfree(per_cpu(ici_cpuid4_info, cpu));
+ per_cpu(ici_cpuid4_info, cpu) = NULL;
}
return retval;
@@ -634,7 +635,7 @@ static int __cpuinit detect_cache_attributes(unsigned int cpu)
extern struct sysdev_class cpu_sysdev_class; /* from drivers/base/cpu.c */
/* pointer to kobject for cpuX/cache */
-static DEFINE_PER_CPU(struct kobject *, cache_kobject);
+static DEFINE_PER_CPU(struct kobject *, ici_cache_kobject);
struct _index_kobject {
struct kobject kobj;
@@ -643,8 +644,8 @@ struct _index_kobject {
};
/* pointer to array of kobjects for cpuX/cache/indexY */
-static DEFINE_PER_CPU(struct _index_kobject *, index_kobject);
-#define INDEX_KOBJECT_PTR(x, y) (&((per_cpu(index_kobject, x))[y]))
+static DEFINE_PER_CPU(struct _index_kobject *, ici_index_kobject);
+#define INDEX_KOBJECT_PTR(x, y) (&((per_cpu(ici_index_kobject, x))[y]))
#define show_one_plus(file_name, object, val) \
static ssize_t show_##file_name \
@@ -863,10 +864,10 @@ static struct kobj_type ktype_percpu_entry = {
static void __cpuinit cpuid4_cache_sysfs_exit(unsigned int cpu)
{
- kfree(per_cpu(cache_kobject, cpu));
- kfree(per_cpu(index_kobject, cpu));
- per_cpu(cache_kobject, cpu) = NULL;
- per_cpu(index_kobject, cpu) = NULL;
+ kfree(per_cpu(ici_cache_kobject, cpu));
+ kfree(per_cpu(ici_index_kobject, cpu));
+ per_cpu(ici_cache_kobject, cpu) = NULL;
+ per_cpu(ici_index_kobject, cpu) = NULL;
free_cache_attributes(cpu);
}
@@ -882,14 +883,14 @@ static int __cpuinit cpuid4_cache_sysfs_init(unsigned int cpu)
return err;
/* Allocate all required memory */
- per_cpu(cache_kobject, cpu) =
+ per_cpu(ici_cache_kobject, cpu) =
kzalloc(sizeof(struct kobject), GFP_KERNEL);
- if (unlikely(per_cpu(cache_kobject, cpu) == NULL))
+ if (unlikely(per_cpu(ici_cache_kobject, cpu) == NULL))
goto err_out;
- per_cpu(index_kobject, cpu) = kzalloc(
+ per_cpu(ici_index_kobject, cpu) = kzalloc(
sizeof(struct _index_kobject) * num_cache_leaves, GFP_KERNEL);
- if (unlikely(per_cpu(index_kobject, cpu) == NULL))
+ if (unlikely(per_cpu(ici_index_kobject, cpu) == NULL))
goto err_out;
return 0;
@@ -913,7 +914,7 @@ static int __cpuinit cache_add_dev(struct sys_device * sys_dev)
if (unlikely(retval < 0))
return retval;
- retval = kobject_init_and_add(per_cpu(cache_kobject, cpu),
+ retval = kobject_init_and_add(per_cpu(ici_cache_kobject, cpu),
&ktype_percpu_entry,
&sys_dev->kobj, "%s", "cache");
if (retval < 0) {
@@ -927,12 +928,12 @@ static int __cpuinit cache_add_dev(struct sys_device * sys_dev)
this_object->index = i;
retval = kobject_init_and_add(&(this_object->kobj),
&ktype_cache,
- per_cpu(cache_kobject, cpu),
+ per_cpu(ici_cache_kobject, cpu),
"index%1lu", i);
if (unlikely(retval)) {
for (j = 0; j < i; j++)
kobject_put(&(INDEX_KOBJECT_PTR(cpu, j)->kobj));
- kobject_put(per_cpu(cache_kobject, cpu));
+ kobject_put(per_cpu(ici_cache_kobject, cpu));
cpuid4_cache_sysfs_exit(cpu);
return retval;
}
@@ -940,7 +941,7 @@ static int __cpuinit cache_add_dev(struct sys_device * sys_dev)
}
cpumask_set_cpu(cpu, to_cpumask(cache_dev_map));
- kobject_uevent(per_cpu(cache_kobject, cpu), KOBJ_ADD);
+ kobject_uevent(per_cpu(ici_cache_kobject, cpu), KOBJ_ADD);
return 0;
}
@@ -949,7 +950,7 @@ static void __cpuinit cache_remove_dev(struct sys_device * sys_dev)
unsigned int cpu = sys_dev->id;
unsigned long i;
- if (per_cpu(cpuid4_info, cpu) == NULL)
+ if (per_cpu(ici_cpuid4_info, cpu) == NULL)
return;
if (!cpumask_test_cpu(cpu, to_cpumask(cache_dev_map)))
return;
@@ -957,7 +958,7 @@ static void __cpuinit cache_remove_dev(struct sys_device * sys_dev)
for (i = 0; i < num_cache_leaves; i++)
kobject_put(&(INDEX_KOBJECT_PTR(cpu, i)->kobj));
- kobject_put(per_cpu(cache_kobject, cpu));
+ kobject_put(per_cpu(ici_cache_kobject, cpu));
cpuid4_cache_sysfs_exit(cpu);
}
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-03 20:01:44 +0300