#include <linux/smp_lock.h>
#include <linux/nodemask.h>
#include <linux/smp.h>
+#include <linux/mutex.h>
#include <asm/processor.h>
#include <asm/topology.h>
static int sn_hwperf_obj_cnt = 0;
static nasid_t sn_hwperf_master_nasid = INVALID_NASID;
static int sn_hwperf_init(void);
-static DECLARE_MUTEX(sn_hwperf_init_mutex);
+static DEFINE_MUTEX(sn_hwperf_init_mutex);
#define cnode_possible(n) ((n) < num_cnodes)
}
sz = sn_hwperf_obj_cnt * sizeof(struct sn_hwperf_object_info);
- if ((objbuf = (struct sn_hwperf_object_info *) vmalloc(sz)) == NULL) {
+ objbuf = vmalloc(sz);
+ if (objbuf == NULL) {
printk("sn_hwperf_enum_objects: vmalloc(%d) failed\n", (int)sz);
e = -ENOMEM;
goto out;
/*
* /proc/sgi_sn/sn_topology, read-only using seq_file
*/
-static struct seq_operations sn_topology_seq_ops = {
+static const struct seq_operations sn_topology_seq_ops = {
.start = sn_topology_start,
.next = sn_topology_next,
.stop = sn_topology_stop,
goto error;
} else
if ((r = sn_hwperf_enum_objects(&nobj, &objs)) == 0) {
+ int cpuobj_index = 0;
+
memset(p, 0, a.sz);
for (i = 0; i < nobj; i++) {
- int cpuobj_index = 0;
if (!SN_HWPERF_IS_NODE(objs + i))
continue;
node = sn_hwperf_obj_to_cnode(objs + i);
return r;
}
-static struct file_operations sn_hwperf_fops = {
+static const struct file_operations sn_hwperf_fops = {
.ioctl = sn_hwperf_ioctl,
};
int e = 0;
/* single threaded, once-only initialization */
- down(&sn_hwperf_init_mutex);
+ mutex_lock(&sn_hwperf_init_mutex);
if (sn_hwperf_salheap) {
- up(&sn_hwperf_init_mutex);
+ mutex_unlock(&sn_hwperf_init_mutex);
return e;
}
sn_hwperf_salheap = NULL;
sn_hwperf_obj_cnt = 0;
}
- up(&sn_hwperf_init_mutex);
+ mutex_unlock(&sn_hwperf_init_mutex);
return e;
}