disable cpu isolcpus

hc

2023-12-09 958e46acc8e900e8569dd467c1af9b8d2d019394

 kernel/include/asm-generic/preempt.h
..
..
@@ -29,7 +29,7 @@
29
29
 } while (0)
30
30
 
31
31
 #define init_idle_preempt_count(p, cpu) do { \
32
-	task_thread_info(p)->preempt_count = PREEMPT_ENABLED; \
32
+	task_thread_info(p)->preempt_count = PREEMPT_DISABLED; \
33
33
 } while (0)
34
34
 
35
35
 static __always_inline void set_preempt_need_resched(void)
..
..
@@ -78,11 +78,14 @@
78
78
 			tif_need_resched());
79
79
 }
80
80
 
81
-#ifdef CONFIG_PREEMPT
81
+#ifdef CONFIG_PREEMPTION
82
+#ifdef CONFIG_PREEMPT_RT
83
+extern void preempt_schedule_lock(void);
84
+#endif
82
85
 extern asmlinkage void preempt_schedule(void);
83
86
 #define __preempt_schedule() preempt_schedule()
84
87
 extern asmlinkage void preempt_schedule_notrace(void);
85
88
 #define __preempt_schedule_notrace() preempt_schedule_notrace()
86
-#endif /* CONFIG_PREEMPT */
89
+#endif /* CONFIG_PREEMPTION */
87
90
 
88
91
 #endif /* __ASM_PREEMPT_H */