diff options
Diffstat (limited to 'drivers/base/topology.c')
| -rw-r--r-- | drivers/base/topology.c | 36 |
1 files changed, 9 insertions, 27 deletions
diff --git a/drivers/base/topology.c b/drivers/base/topology.c index 2f5919ed91a..be7c1fb7c0c 100644 --- a/drivers/base/topology.c +++ b/drivers/base/topology.c @@ -23,7 +23,6 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ -#include <linux/init.h> #include <linux/mm.h> #include <linux/cpu.h> #include <linux/module.h> @@ -40,8 +39,7 @@ static ssize_t show_##name(struct device *dev, \ struct device_attribute *attr, char *buf) \ { \ - unsigned int cpu = dev->id; \ - return sprintf(buf, "%d\n", topology_##name(cpu)); \ + return sprintf(buf, "%d\n", topology_##name(dev->id)); \ } #if defined(topology_thread_cpumask) || defined(topology_core_cpumask) || \ @@ -62,25 +60,6 @@ static ssize_t show_cpumap(int type, const struct cpumask *mask, char *buf) } #endif -#ifdef arch_provides_topology_pointers -#define define_siblings_show_map(name) \ -static ssize_t show_##name(struct device *dev, \ - struct device_attribute *attr, char *buf) \ -{ \ - unsigned int cpu = dev->id; \ - return show_cpumap(0, topology_##name(cpu), buf); \ -} - -#define define_siblings_show_list(name) \ -static ssize_t show_##name##_list(struct device *dev, \ - struct device_attribute *attr, \ - char *buf) \ -{ \ - unsigned int cpu = dev->id; \ - return show_cpumap(1, topology_##name(cpu), buf); \ -} - -#else #define define_siblings_show_map(name) \ static ssize_t show_##name(struct device *dev, \ struct device_attribute *attr, char *buf) \ @@ -95,7 +74,6 @@ static ssize_t show_##name##_list(struct device *dev, \ { \ return show_cpumap(1, topology_##name(dev->id), buf); \ } -#endif #define define_siblings_show_func(name) \ define_siblings_show_map(name); define_siblings_show_list(name) @@ -181,16 +159,20 @@ static int topology_cpu_callback(struct notifier_block *nfb, static int topology_sysfs_init(void) { int cpu; - int rc; + int rc = 0; + + cpu_notifier_register_begin(); for_each_online_cpu(cpu) { rc = topology_add_dev(cpu); if (rc) - return rc; + goto out; } - hotcpu_notifier(topology_cpu_callback, 0); + __hotcpu_notifier(topology_cpu_callback, 0); - return 0; +out: + cpu_notifier_register_done(); + return rc; } device_initcall(topology_sysfs_init); |