~ljy/RK3588_XEN.git

..	..	@@ -72,6 +72,14 @@
72	72	_TIF_NEED_RESCHED \| _TIF_PATCH_PENDING \| _TIF_NOTIFY_SIGNAL \| \
73	73	ARCH_EXIT_TO_USER_MODE_WORK)
74	74
	75	+/*
	76	+ * Status codes of syscall entry when Dovetail is enabled. Must not
	77	+ * conflict with valid syscall numbers. And with -1 which seccomp uses
	78	+ * to skip an syscall.
	79	+ */
	80	+#define EXIT_SYSCALL_OOB (-2)
	81	+#define EXIT_SYSCALL_TAIL (-3)
	82	+
75	83	/**
76	84	* arch_check_user_regs - Architecture specific sanity check for user mode regs
77	85	* @regs: Pointer to currents pt_regs
..	..	@@ -181,7 +189,7 @@
181	189	#ifndef local_irq_enable_exit_to_user
182	190	static inline void local_irq_enable_exit_to_user(unsigned long ti_work)
183	191	{
184		- local_irq_enable();
	192	+ local_irq_enable_full();
185	193	}
186	194	#endif
187	195
..	..	@@ -196,7 +204,7 @@
196	204	#ifndef local_irq_disable_exit_to_user
197	205	static inline void local_irq_disable_exit_to_user(void)
198	206	{
199		- local_irq_disable();
	207	+ local_irq_disable_full();
200	208	}
201	209	#endif
202	210
..	..	@@ -341,6 +349,12 @@
341	349	*/
342	350	void irqentry_exit_to_user_mode(struct pt_regs *regs);
343	351
	352	+enum irqentry_info {
	353	+ IRQENTRY_INBAND_UNSTALLED = 0,
	354	+ IRQENTRY_INBAND_STALLED,
	355	+ IRQENTRY_OOB,
	356	+};
	357	+
344	358	#ifndef irqentry_state
345	359	/**
346	360	* struct irqentry_state - Opaque object for exception state storage
..	..	@@ -348,6 +362,7 @@
348	362	* exit path has to invoke rcu_irq_exit().
349	363	* @lockdep: Used exclusively in the irqentry_nmi_*() calls; ensures that
350	364	* lockdep state is restored correctly on exit from nmi.
	365	+ * @stage_info: Information about pipeline state and current stage on IRQ entry.
351	366	*
352	367	* This opaque object is filled in by the irqentry_*_enter() functions and
353	368	* must be passed back into the corresponding irqentry_*_exit() functions
..	..	@@ -362,6 +377,9 @@
362	377	bool exit_rcu;
363	378	bool lockdep;
364	379	};
	380	+#ifdef CONFIG_IRQ_PIPELINE
	381	+ enum irqentry_info stage_info;
	382	+#endif
365	383	} irqentry_state_t;
366	384	#endif
367	385