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-rw-r--r--drivers/base/cacheinfo.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/base/cacheinfo.c b/drivers/base/cacheinfo.c
index e9fd32e91668..00a9688043f4 100644
--- a/drivers/base/cacheinfo.c
+++ b/drivers/base/cacheinfo.c
@@ -233,6 +233,7 @@ static ssize_t file_name##_show(struct device *dev, \
return sprintf(buf, "%u\n", this_leaf->object); \
}
+show_one(id, id);
show_one(level, level);
show_one(coherency_line_size, coherency_line_size);
show_one(number_of_sets, number_of_sets);
@@ -314,6 +315,7 @@ static ssize_t write_policy_show(struct device *dev,
return n;
}
+static DEVICE_ATTR_RO(id);
static DEVICE_ATTR_RO(level);
static DEVICE_ATTR_RO(type);
static DEVICE_ATTR_RO(coherency_line_size);
@@ -327,6 +329,7 @@ static DEVICE_ATTR_RO(shared_cpu_list);
static DEVICE_ATTR_RO(physical_line_partition);
static struct attribute *cache_default_attrs[] = {
+ &dev_attr_id.attr,
&dev_attr_type.attr,
&dev_attr_level.attr,
&dev_attr_shared_cpu_map.attr,
@@ -350,6 +353,8 @@ cache_default_attrs_is_visible(struct kobject *kobj,
const struct cpumask *mask = &this_leaf->shared_cpu_map;
umode_t mode = attr->mode;
+ if ((attr == &dev_attr_id.attr) && (this_leaf->attributes & CACHE_ID))
+ return mode;
if ((attr == &dev_attr_type.attr) && this_leaf->type)
return mode;
if ((attr == &dev_attr_level.attr) && this_leaf->level)
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