25 static int ftrace_modify_code(unsigned long pc, u32 old, u32 new,  in ftrace_modify_code()  argument
43 		if (replaced != old)  in ftrace_modify_code()
73 	u32 old, new;  in ftrace_make_call()  local
75 	old = aarch64_insn_gen_nop();  in ftrace_make_call()
78 	return ftrace_modify_code(pc, old, new, true);  in ftrace_make_call()
88 	u32 old, new;  in ftrace_make_nop()  local
90 	old = aarch64_insn_gen_branch_imm(pc, addr, AARCH64_INSN_BRANCH_LINK);  in ftrace_make_nop()
93 	return ftrace_modify_code(pc, old, new, true);  in ftrace_make_nop()
115 	unsigned long old;  in prepare_ftrace_return()  local
127 	old = *parent;  in prepare_ftrace_return()
135 		*parent = old;  in prepare_ftrace_return()
139 	err = ftrace_push_return_trace(old, self_addr, &trace.depth,  in prepare_ftrace_return()
142 		*parent = old;  in prepare_ftrace_return()