1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Copyright (C) 2022 Changbin Du <changbin.du@gmail.com>
4  */
5 
6 #include <linux/irqflags.h>
7 #include <linux/kprobes.h>
8 #include "trace_irq.h"
9 
10 /*
11  * trace_hardirqs_on/off require the caller to setup frame pointer properly.
12  * Otherwise, CALLER_ADDR1 might trigger an pagging exception in kernel.
13  * Here we add one extra level so they can be safely called by low
14  * level entry code which $fp is used for other purpose.
15  */
16 
__trace_hardirqs_on(void)17 void __trace_hardirqs_on(void)
18 {
19 	trace_hardirqs_on();
20 }
21 NOKPROBE_SYMBOL(__trace_hardirqs_on);
22 
__trace_hardirqs_off(void)23 void __trace_hardirqs_off(void)
24 {
25 	trace_hardirqs_off();
26 }
27 NOKPROBE_SYMBOL(__trace_hardirqs_off);
28