*/
static inline struct task_struct *find_process_by_pid(pid_t pid)
{
- return pid ? find_task_by_pid(pid) : current;
+ return pid ? find_task_by_vpid(pid) : current;
}
if (copy_from_user(&new_mask, user_mask_ptr, sizeof(new_mask)))
return -EFAULT;
- lock_cpu_hotplug();
+ get_online_cpus();
read_lock(&tasklist_lock);
p = find_process_by_pid(pid);
if (!p) {
read_unlock(&tasklist_lock);
- unlock_cpu_hotplug();
+ put_online_cpus();
return -ESRCH;
}
out_unlock:
put_task_struct(p);
- unlock_cpu_hotplug();
+ put_online_cpus();
return retval;
}
if (len < real_len)
return -EINVAL;
- lock_cpu_hotplug();
+ get_online_cpus();
read_lock(&tasklist_lock);
retval = -ESRCH;
out_unlock:
read_unlock(&tasklist_lock);
- unlock_cpu_hotplug();
+ put_online_cpus();
if (retval)
return retval;
if (copy_to_user(user_mask_ptr, &mask, real_len))
/*
* FPU Use Factor empirically derived from experiments on 34K
*/
-#define FPUSEFACTOR 333
+#define FPUSEFACTOR 2000
static __init int mt_fp_affinity_init(void)
{