--- a/common/lib/modules/fglrx/build_mod/firegl_public.c
+++ b/common/lib/modules/fglrx/build_mod/firegl_public.c
@@ -1352,7 +1352,11 @@
    int process_terminated = 1;
   
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,17)  
+#if !defined(CONFIG_PREEMPT_RT)
    rcu_read_lock();
+#else
+   preempt_disable();
+#endif
 #else   
    read_lock(&tasklist_lock);
 #endif   
@@ -1373,7 +1377,11 @@
       }
    }   
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,17)  
+#if !defined(CONFIG_PREEMPT_RT)
    rcu_read_unlock();
+#else
+   preempt_disable();
+#endif
 #else   
    read_unlock(&tasklist_lock);
 #endif