kernel: Resolve compilation issues

kernel/ksu.c

@@ -17,6 +17,14 @@
 #include "ksud.h"
 #include "supercalls.h"
 
+
+static struct workqueue_struct *ksu_workqueue;
+
+bool ksu_queue_work(struct work_struct *work)
+{
+    return queue_work(ksu_workqueue, work);
+}
+
 int __init kernelsu_init(void)
 {
 #ifdef CONFIG_KSU_DEBUG
@@ -35,6 +43,8 @@ int __init kernelsu_init(void)
 
     ksu_core_init();
 
+    ksu_workqueue = alloc_ordered_workqueue("kernelsu_work_queue", 0);
+
     ksu_allowlist_init();
 
     ksu_throne_tracker_init();
@@ -62,6 +72,8 @@ void kernelsu_exit(void)
 
     ksu_throne_tracker_exit();
 
+    destroy_workqueue(ksu_workqueue);
+
 #ifdef KSU_KPROBES_HOOK
     ksu_ksud_exit();
     ksu_sucompat_exit();