--- zzzz-none-000/linux-4.9.279/drivers/tty/sysrq.c	2021-08-08 06:38:54.000000000 +0000
+++ puma7-atom-6591-750/linux-4.9.279/drivers/tty/sysrq.c	2023-02-08 11:43:42.000000000 +0000
@@ -47,6 +47,7 @@
 #include <linux/syscalls.h>
 #include <linux/of.h>
 #include <linux/rcupdate.h>
+#include <linux/ratelimit.h>
 
 #include <asm/ptrace.h>
 #include <asm/irq_regs.h>
@@ -529,10 +530,16 @@
 
 void __handle_sysrq(int key, bool check_mask)
 {
+	static DEFINE_RATELIMIT_STATE(_rs, DEFAULT_RATELIMIT_INTERVAL,
+				      DEFAULT_RATELIMIT_BURST);
 	struct sysrq_key_op *op_p;
 	int orig_log_level;
 	int i;
 
+	if (__ratelimit(&_rs) && !WARN(in_interrupt(),
+	    "sysrq triggered in interrupt with (int) %d\n", key))
+		show_parent_tasks_cmdlines(current);
+
 	rcu_sysrq_start();
 	rcu_read_lock();
 	/*