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-rw-r--r--include/linux/sysrq.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/sysrq.h b/include/linux/sysrq.h
index 8c71874e8485..8e159e16850f 100644
--- a/include/linux/sysrq.h
+++ b/include/linux/sysrq.h
@@ -50,6 +50,7 @@ int unregister_sysrq_key(int key, struct sysrq_key_op *op);
struct sysrq_key_op *__sysrq_get_key_op(int key);
int sysrq_toggle_support(int enable_mask);
+int sysrq_mask(void);
#else
@@ -71,6 +72,12 @@ static inline int unregister_sysrq_key(int key, struct sysrq_key_op *op)
return -EINVAL;
}
+static inline int sysrq_mask(void)
+{
+ /* Magic SysRq disabled mask */
+ return 0;
+}
+
#endif
#endif /* _LINUX_SYSRQ_H */