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Diffstat (limited to 'drivers/base/topology.c')
-rw-r--r--drivers/base/topology.c71
1 files changed, 24 insertions, 47 deletions
diff --git a/drivers/base/topology.c b/drivers/base/topology.c
index be7c1fb7c0c9..6491f45200a7 100644
--- a/drivers/base/topology.c
+++ b/drivers/base/topology.c
@@ -29,75 +29,52 @@
#include <linux/hardirq.h>
#include <linux/topology.h>
-#define define_one_ro_named(_name, _func) \
- static DEVICE_ATTR(_name, 0444, _func, NULL)
-
-#define define_one_ro(_name) \
- static DEVICE_ATTR(_name, 0444, show_##_name, NULL)
-
#define define_id_show_func(name) \
-static ssize_t show_##name(struct device *dev, \
+static ssize_t name##_show(struct device *dev, \
struct device_attribute *attr, char *buf) \
{ \
return sprintf(buf, "%d\n", topology_##name(dev->id)); \
}
-#if defined(topology_thread_cpumask) || defined(topology_core_cpumask) || \
- defined(topology_book_cpumask)
-static ssize_t show_cpumap(int type, const struct cpumask *mask, char *buf)
-{
- ptrdiff_t len = PTR_ALIGN(buf + PAGE_SIZE - 1, PAGE_SIZE) - buf;
- int n = 0;
-
- if (len > 1) {
- n = type?
- cpulist_scnprintf(buf, len-2, mask) :
- cpumask_scnprintf(buf, len-2, mask);
- buf[n++] = '\n';
- buf[n] = '\0';
- }
- return n;
-}
-#endif
-
-#define define_siblings_show_map(name) \
-static ssize_t show_##name(struct device *dev, \
+#define define_siblings_show_map(name, mask) \
+static ssize_t name##_show(struct device *dev, \
struct device_attribute *attr, char *buf) \
{ \
- return show_cpumap(0, topology_##name(dev->id), buf); \
+ return cpumap_print_to_pagebuf(false, buf, topology_##mask(dev->id));\
}
-#define define_siblings_show_list(name) \
-static ssize_t show_##name##_list(struct device *dev, \
- struct device_attribute *attr, \
- char *buf) \
+#define define_siblings_show_list(name, mask) \
+static ssize_t name##_list_show(struct device *dev, \
+ struct device_attribute *attr, \
+ char *buf) \
{ \
- return show_cpumap(1, topology_##name(dev->id), buf); \
+ return cpumap_print_to_pagebuf(true, buf, topology_##mask(dev->id));\
}
-#define define_siblings_show_func(name) \
- define_siblings_show_map(name); define_siblings_show_list(name)
+#define define_siblings_show_func(name, mask) \
+ define_siblings_show_map(name, mask); \
+ define_siblings_show_list(name, mask)
define_id_show_func(physical_package_id);
-define_one_ro(physical_package_id);
+static DEVICE_ATTR_RO(physical_package_id);
define_id_show_func(core_id);
-define_one_ro(core_id);
+static DEVICE_ATTR_RO(core_id);
-define_siblings_show_func(thread_cpumask);
-define_one_ro_named(thread_siblings, show_thread_cpumask);
-define_one_ro_named(thread_siblings_list, show_thread_cpumask_list);
+define_siblings_show_func(thread_siblings, thread_cpumask);
+static DEVICE_ATTR_RO(thread_siblings);
+static DEVICE_ATTR_RO(thread_siblings_list);
-define_siblings_show_func(core_cpumask);
-define_one_ro_named(core_siblings, show_core_cpumask);
-define_one_ro_named(core_siblings_list, show_core_cpumask_list);
+define_siblings_show_func(core_siblings, core_cpumask);
+static DEVICE_ATTR_RO(core_siblings);
+static DEVICE_ATTR_RO(core_siblings_list);
#ifdef CONFIG_SCHED_BOOK
define_id_show_func(book_id);
-define_one_ro(book_id);
-define_siblings_show_func(book_cpumask);
-define_one_ro_named(book_siblings, show_book_cpumask);
-define_one_ro_named(book_siblings_list, show_book_cpumask_list);
+static DEVICE_ATTR_RO(book_id);
+define_siblings_show_func(book_siblings, book_cpumask);
+static DEVICE_ATTR_RO(book_siblings);
+static DEVICE_ATTR_RO(book_siblings_list);
#endif
static struct attribute *default_attrs[] = {