From 958e46acc8e900e8569dd467c1af9b8d2d019394 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 08:38:54 +0000
Subject: [PATCH] disable cpu isolcpus
---
kernel/include/linux/sysrq.h | 25 ++++++++++++++++---------
1 files changed, 16 insertions(+), 9 deletions(-)
diff --git a/kernel/include/linux/sysrq.h b/kernel/include/linux/sysrq.h
index 8c71874..3a582ec 100644
--- a/kernel/include/linux/sysrq.h
+++ b/kernel/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 */
--
Gitblit v1.6.2