diff -drupN a/lib/Kconfig.debug b/lib/Kconfig.debug
--- a/lib/Kconfig.debug	2018-08-06 17:23:04.000000000 +0300
+++ b/lib/Kconfig.debug	2022-06-12 05:28:14.000000000 +0300
@@ -258,14 +258,13 @@ config PAGE_OWNER
 
 config DEBUG_FS
 	bool "Debug Filesystem"
-	select SRCU
 	help
 	  debugfs is a virtual file system that kernel developers use to put
 	  debugging files into.  Enable this option to be able to read and
 	  write to these files.
 
 	  For detailed documentation on the debugfs API, see
-	  Documentation/DocBook/filesystems.
+	  Documentation/filesystems/.
 
 	  If unsure, say N.
 
@@ -922,6 +921,15 @@ config SCHED_INFO
 	bool
 	default n
 
+config PANIC_ON_RT_THROTTLING
+	bool "Panic on RT throttling"
+	help
+	  Say Y here to enable the kernel to panic when a realtime
+	  runqueue is throttled. This may be useful for detecting
+	  and debugging RT throttling issues.
+
+	  Say N if unsure.
+
 config SCHEDSTATS
 	bool "Collect scheduler statistics"
 	depends on DEBUG_KERNEL && PROC_FS
@@ -1182,7 +1190,7 @@ config DEBUG_KOBJECT
 	depends on DEBUG_KERNEL
 	help
 	  If you say Y here, some extra kobject debugging messages will be sent
-	  to the syslog. 
+	  to the syslog.
 
 config DEBUG_KOBJECT_RELEASE
 	bool "kobject release debugging"