315 	void *trampoline;  in create_trampoline()  local
344 	trampoline = alloc_tramp(size + RET_SIZE + sizeof(void *));  in create_trampoline()
345 	if (!trampoline)  in create_trampoline()
352 	ret = copy_from_kernel_nofault(trampoline, (void *)start_offset, size);  in create_trampoline()
356 	ip = trampoline + size;  in create_trampoline()
365 		ip = trampoline + (jmp_offset - start_offset);  in create_trampoline()
381 	ptr = (unsigned long *)(trampoline + size + RET_SIZE);  in create_trampoline()
385 	memcpy(&op_ptr, trampoline + op_offset, OP_REF_SIZE);  in create_trampoline()
393 	offset -= (unsigned long)trampoline + op_offset + OP_REF_SIZE;  in create_trampoline()
398 	memcpy(trampoline + op_offset, &op_ptr, OP_REF_SIZE);  in create_trampoline()
408 	memcpy(trampoline + call_offset,  in create_trampoline()
409 	       text_gen_insn(CALL_INSN_OPCODE, trampoline + call_offset, dest),  in create_trampoline()
416 	set_memory_rox((unsigned long)trampoline, npages);  in create_trampoline()
417 	return (unsigned long)trampoline;  in create_trampoline()
419 	tramp_free(trampoline);  in create_trampoline()
445 		set_memory_ro((unsigned long)ops->trampoline, npages);  in set_ftrace_ops_ro()
473 	if (!ops->trampoline) {  in arch_ftrace_update_trampoline()
474 		ops->trampoline = create_trampoline(ops, &size);  in arch_ftrace_update_trampoline()
475 		if (!ops->trampoline)  in arch_ftrace_update_trampoline()
489 	ip = ops->trampoline + offset;  in arch_ftrace_update_trampoline()
528 	if (ops && ops->trampoline) {  in static_tramp_func()
535 		if (ops->trampoline == FTRACE_GRAPH_ADDR)  in static_tramp_func()
560 	return addr_from_call((void *)ops->trampoline + offset);  in arch_ftrace_trampoline_func()
568 	tramp_free((void *)ops->trampoline);  in arch_ftrace_trampoline_free()
569 	ops->trampoline = 0;  in arch_ftrace_trampoline_free()