730 	void *trampoline;  in create_trampoline()  local
753 	trampoline = alloc_tramp(size + MCOUNT_INSN_SIZE + sizeof(void *));  in create_trampoline()
754 	if (!trampoline)  in create_trampoline()
760 	ret = probe_kernel_read(trampoline, (void *)start_offset, size);  in create_trampoline()
762 		tramp_free(trampoline);  in create_trampoline()
766 	ip = (unsigned long)trampoline + size;  in create_trampoline()
770 	memcpy(trampoline + size, jmp, MCOUNT_INSN_SIZE);  in create_trampoline()
780 	ptr = (unsigned long *)(trampoline + size + MCOUNT_INSN_SIZE);  in create_trampoline()
784 	memcpy(&op_ptr, trampoline + op_offset, OP_REF_SIZE);  in create_trampoline()
788 		tramp_free(trampoline);  in create_trampoline()
794 	offset -= (unsigned long)trampoline + op_offset + OP_REF_SIZE;  in create_trampoline()
799 	memcpy(trampoline + op_offset, &op_ptr, OP_REF_SIZE);  in create_trampoline()
804 	return (unsigned long)trampoline;  in create_trampoline()
832 	if (ops->trampoline) {  in arch_ftrace_update_trampoline()
840 		ops->trampoline = create_trampoline(ops, &size);  in arch_ftrace_update_trampoline()
841 		if (!ops->trampoline)  in arch_ftrace_update_trampoline()
847 	ip = ops->trampoline + offset;  in arch_ftrace_update_trampoline()
891 	if (ops && ops->trampoline) {  in static_tramp_func()
897 		if (ops->trampoline == FTRACE_GRAPH_ADDR)  in static_tramp_func()
922 	return addr_from_call((void *)ops->trampoline + offset);  in arch_ftrace_trampoline_func()
930 	tramp_free((void *)ops->trampoline);  in arch_ftrace_trampoline_free()
931 	ops->trampoline = 0;  in arch_ftrace_trampoline_free()