58 	local_t		head;  member
152 	index = local_read(&buf->head);  in bts_config_buffer()
176 static void bts_buffer_pad_out(struct bts_phys *phys, unsigned long head)  in bts_buffer_pad_out()  argument
178 	unsigned long index = head - phys->offset;  in bts_buffer_pad_out()
188 	unsigned long index = ds->bts_index - ds->bts_buffer_base, old, head;  in bts_update()  local
193 	head = index + bts_buffer_offset(buf, buf->cur_buf);  in bts_update()
194 	old = local_xchg(&buf->head, head);  in bts_update()
197 		if (old == head)  in bts_update()
208 		local_add(head - old, &buf->data_size);  in bts_update()
210 		local_set(&buf->data_size, head);  in bts_update()
319 				bts->handle.head =  in bts_event_stop()
371 	unsigned long head, space, next_space, pad, gap, skip, wakeup;  in bts_buffer_reset()  local
379 	head = handle->head & ((buf->nr_pages << PAGE_SHIFT) - 1);  in bts_buffer_reset()
382 	space = phys->offset + phys->displacement + phys->size - head;  in bts_buffer_reset()
405 					bts_buffer_pad_out(phys, head);  in bts_buffer_reset()
412 				head = phys->offset + phys->displacement;  in bts_buffer_reset()
419 				local_set(&buf->head, head);  in bts_buffer_reset()
426 		 handle->head;  in bts_buffer_reset()
432 	buf->end = head + space;  in bts_buffer_reset()
479 	old_head = local_read(&buf->head);  in intel_bts_interrupt()
483 	if (old_head == local_read(&buf->head))  in intel_bts_interrupt()