22 int do_set_thread_area(struct user_desc *info)  in do_set_thread_area()  argument
28 	ret = os_set_thread_area(info, userspace_pid[cpu]);  in do_set_thread_area()
33 		       "index = %d\n", ret, info->entry_number);  in do_set_thread_area()
38 int do_get_thread_area(struct user_desc *info)  in do_get_thread_area()  argument
44 	ret = os_get_thread_area(info, userspace_pid[cpu]);  in do_get_thread_area()
49 		       "index = %d\n", ret, info->entry_number);  in do_get_thread_area()
76 static inline void clear_user_desc(struct user_desc* info)  in clear_user_desc()  argument
79 	memset(info, 0, sizeof(*info));  in clear_user_desc()
85 	info->read_exec_only = 1;  in clear_user_desc()
86 	info->seg_not_present = 1;  in clear_user_desc()
202 static int set_tls_entry(struct task_struct* task, struct user_desc *info,  in set_tls_entry()  argument
210 	t->arch.tls_array[idx - GDT_ENTRY_TLS_MIN].tls = *info;  in set_tls_entry()
219 	struct user_desc info;  in arch_copy_tls()  local
222 	if (copy_from_user(&info,  in arch_copy_tls()
224 			   sizeof(info)))  in arch_copy_tls()
228 	if (LDT_empty(&info))  in arch_copy_tls()
231 	idx = info.entry_number;  in arch_copy_tls()
233 	ret = set_tls_entry(new, &info, idx, 0);  in arch_copy_tls()
239 static int get_tls_entry(struct task_struct *task, struct user_desc *info,  in get_tls_entry()  argument
253 	*info = t->arch.tls_array[idx - GDT_ENTRY_TLS_MIN].tls;  in get_tls_entry()
273 	clear_user_desc(info);  in get_tls_entry()
274 	info->entry_number = idx;  in get_tls_entry()
280 	struct user_desc info;  in SYSCALL_DEFINE1()  local
286 	if (copy_from_user(&info, user_desc, sizeof(info)))  in SYSCALL_DEFINE1()
289 	idx = info.entry_number;  in SYSCALL_DEFINE1()
295 		info.entry_number = idx;  in SYSCALL_DEFINE1()
301 	ret = do_set_thread_area(&info);  in SYSCALL_DEFINE1()
304 	return set_tls_entry(current, &info, idx, 1);  in SYSCALL_DEFINE1()
315 	struct user_desc info;  in ptrace_set_thread_area()  local
320 	if (copy_from_user(&info, user_desc, sizeof(info)))  in ptrace_set_thread_area()
323 	return set_tls_entry(child, &info, idx, 0);  in ptrace_set_thread_area()
328 	struct user_desc info;  in SYSCALL_DEFINE1()  local
337 	ret = get_tls_entry(current, &info, idx);  in SYSCALL_DEFINE1()
341 	if (copy_to_user(user_desc, &info, sizeof(info)))  in SYSCALL_DEFINE1()
354 	struct user_desc info;  in ptrace_get_thread_area()  local
360 	ret = get_tls_entry(child, &info, idx);  in ptrace_get_thread_area()
364 	if (copy_to_user(user_desc, &info, sizeof(info)))  in ptrace_get_thread_area()