kernel, manager: Track upstream changes (#195)

* These commits are carefully picked from upstream (tiann/KernelSU)

- Picked range:
8c5f485f27..e5f43a3427

Signed-off-by: Faris <rissu.ntk@gmail.com>
Co-authored-by: Wang Han <416810799@qq.com>
Co-authored-by: TwinbornPlate75 <3342733415@qq.com>
Co-authored-by: KOWX712 <leecc0503@gmail.com>
Co-authored-by: Ylarod <me@ylarod.cn>
Co-authored-by: YuKongA <70465933+YuKongA@users.noreply.github.com>
Co-authored-by: backslashxx <118538522+backslashxx@users.noreply.github.com>
Co-authored-by: 5ec1cff <56485584+5ec1cff@users.noreply.github.com>
Co-authored-by: weishu <twsxtd@gmail.com>

kernel/kernel_compat.h

@@ -27,6 +27,10 @@
 #endif
 #endif
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 10, 0) && defined(KSU_KPROBE_HOOK)
+#define KSU_SHOULD_USE_NEW_TP
+#endif
+
 extern long ksu_strncpy_from_user_nofault(char *dst,
 					  const void __user *unsafe_addr,
 					  long count);
@@ -38,7 +42,7 @@ extern long ksu_strncpy_from_user_retry(char *dst,
 	defined(CONFIG_IS_HW_HISI) || defined(CONFIG_KSU_ALLOWLIST_WORKAROUND)
 extern struct key *init_session_keyring;
 #endif
-extern void ksu_android_ns_fs_check(void);
+
 extern struct file *ksu_filp_open_compat(const char *filename, int flags,
 					 umode_t mode);
 extern ssize_t ksu_kernel_read_compat(struct file *p, void *buf, size_t count,