Move external defs for new isolator symbols to only exist for kernel >= 5

src/drv/rts-cpu-isolator/rts-cpu-isolator.h

@@ -13,15 +13,7 @@
 typedef void (*play_dead_handler_fp_t)( void );
 
 
-///
-/// @brief This utility function is used to check if a module
-///        has already used this interface to isolate the given CPU.
-///
-/// @param cpu The CPU number the caller is checking (0 indexed)
-///
-/// @return 0 if the core has been taken, >0 if it is free
-///
-extern int is_cpu_occupied( unsigned int cpu );
+
 
 /// @deprecated
 /// @brief Proxy function for the is_cpu_occupied() function above.
@@ -33,18 +25,6 @@ extern int is_cpu_occupied( unsigned int cpu );
 ///
 extern int  is_cpu_taken_by_rcg_model( unsigned int cpu );
 
-///
-/// @brief This function is used to set the function that is
-///        called when the "real-time" execution is started.
-///        It must be set before calling rts_isolator_exec()
-///
-/// @param rt_runner_func A function pointer to the "real-time" code 
-///                       you would like to run
-///
-/// @param cpu     The CPU number to isolate the code on (0 indexed)
-///
-extern void set_rt_callback( play_dead_handler_fp_t rt_runner_func, unsigned int cpu );
-
 /// @deprecated
 /// @brief Proxy function for the set_rt_callback() function above.
 ///        This function is retained for compatibility with legacy code.
@@ -73,6 +53,28 @@ static inline void set_rt_callback( play_dead_handler_fp_t rt_runner_func, unsig
 #else //This is 5.10.0 and newer, caller interface is the same between versions 
 static inline int rts_isolator_exec( unsigned int CPU_ID ){ return remove_cpu(CPU_ID); }
 static inline int rts_isolator_cleanup( unsigned int CPU_ID ){ return add_cpu(CPU_ID); }
+
+///
+/// @brief This utility function is used to check if a module
+///        has already used this interface to isolate the given CPU.
+///
+/// @param cpu The CPU number the caller is checking (0 indexed)
+///
+/// @return 0 if the core has been taken, >0 if it is free
+///
+extern int is_cpu_occupied( unsigned int cpu );
+
+///
+/// @brief This function is used to set the function that is
+///        called when the "real-time" execution is started.
+///        It must be set before calling rts_isolator_exec()
+///
+/// @param rt_runner_func A function pointer to the "real-time" code
+///                       you would like to run
+///
+/// @param cpu     The CPU number to isolate the code on (0 indexed)
+///
+extern void set_rt_callback( play_dead_handler_fp_t rt_runner_func, unsigned int cpu );
 #endif