commit 157378f43faad830e4aa3815bde5fa9f9a9f5be6
author Olivier Deprez <olivier.deprez@arm.com> Mon Apr 04 15:47:50 2022 +0200
committer Olivier Deprez <olivier.deprez@arm.com> Mon Apr 04 17:19:45 2022 +0200
tree a6c9afae04d547459872e71460db6f8a454a070c
parent 0e64123141f3854e695eb4924d82b52856691466

Update Linux to v5.10.109

Sourced from [1]

[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz

Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>

include/linux/sysrq.h

diff --git a/include/linux/sysrq.h b/include/linux/sysrq.h
index 8c71874..3a582ec 100644
--- a/include/linux/sysrq.h
+++ b/include/linux/sysrq.h
@@ -30,10 +30,10 @@
 #define SYSRQ_ENABLE_RTNICE	0x0100
 
 struct sysrq_key_op {
-	void (*handler)(int);
-	char *help_msg;
-	char *action_msg;
-	int enable_mask;
+	void (* const handler)(int);
+	const char * const help_msg;
+	const char * const action_msg;
+	const int enable_mask;
 };
 
 #ifdef CONFIG_MAGIC_SYSRQ
@@ -45,11 +45,12 @@
 
 void handle_sysrq(int key);
 void __handle_sysrq(int key, bool check_mask);
-int register_sysrq_key(int key, struct sysrq_key_op *op);
-int unregister_sysrq_key(int key, struct sysrq_key_op *op);
-struct sysrq_key_op *__sysrq_get_key_op(int key);
+int register_sysrq_key(int key, const struct sysrq_key_op *op);
+int unregister_sysrq_key(int key, const struct sysrq_key_op *op);
+extern const struct sysrq_key_op *__sysrq_reboot_op;
 
 int sysrq_toggle_support(int enable_mask);
+int sysrq_mask(void);
 
 #else
 
@@ -61,16 +62,22 @@
 {
 }
 
-static inline int register_sysrq_key(int key, struct sysrq_key_op *op)
+static inline int register_sysrq_key(int key, const struct sysrq_key_op *op)
 {
 	return -EINVAL;
 }
 
-static inline int unregister_sysrq_key(int key, struct sysrq_key_op *op)
+static inline int unregister_sysrq_key(int key, const struct sysrq_key_op *op)
 {
 	return -EINVAL;
 }
 
+static inline int sysrq_mask(void)
+{
+	/* Magic SysRq disabled mask */
+	return 0;
+}
+
 #endif
 
 #endif /* _LINUX_SYSRQ_H */