~ljy/RK3588_XEN.git

..	..	@@ -118,6 +118,14 @@
118	118	static inline void rcu_nocb_flush_deferred_wakeup(void) { }
119	119	#endif /* #else #ifdef CONFIG_RCU_NOCB_CPU */
120	120
	121	+#ifdef CONFIG_IRQ_PIPELINE
	122	+void rcu_oob_prepare_lock(void);
	123	+void rcu_oob_finish_lock(void);
	124	+#else
	125	+#define rcu_oob_prepare_lock() do { } while (0)
	126	+#define rcu_oob_finish_lock() do { } while (0)
	127	+#endif
	128	+
121	129	/**
122	130	* RCU_NONIDLE - Indicate idle-loop code that needs RCU readers
123	131	* @a: Code that RCU needs to pay attention to.
..	..	@@ -290,7 +298,7 @@
290	298
291	299	static inline int rcu_read_lock_sched_held(void)
292	300	{
293		- return !preemptible();
	301	+ return !running_inband() \|\| !preemptible();
294	302	}
295	303
296	304	static inline int rcu_read_lock_any_held(void)
..	..	@@ -646,6 +654,7 @@
646	654	*/
647	655	static __always_inline void rcu_read_lock(void)
648	656	{
	657	+ rcu_oob_prepare_lock();
649	658	__rcu_read_lock();
650	659	__acquire(RCU);
651	660	rcu_lock_acquire(&rcu_lock_map);
..	..	@@ -702,6 +711,7 @@
702	711	"rcu_read_unlock() used illegally while idle");
703	712	__release(RCU);
704	713	__rcu_read_unlock();
	714	+ rcu_oob_finish_lock();
705	715	rcu_lock_release(&rcu_lock_map); /* Keep acq info for rls diags. */
706	716	}
707	717
..	..	@@ -755,6 +765,7 @@
755	765	static inline void rcu_read_lock_sched(void)
756	766	{
757	767	preempt_disable();
	768	+ rcu_oob_prepare_lock();
758	769	__acquire(RCU_SCHED);
759	770	rcu_lock_acquire(&rcu_sched_lock_map);
760	771	RCU_LOCKDEP_WARN(!rcu_is_watching(),
..	..	@@ -779,6 +790,7 @@
779	790	"rcu_read_unlock_sched() used illegally while idle");
780	791	rcu_lock_release(&rcu_sched_lock_map);
781	792	__release(RCU_SCHED);
	793	+ rcu_oob_finish_lock();
782	794	preempt_enable();
783	795	}
784	796