rk3568 rt init

hc

2023-11-06 e3e12f52b214121840b44c91de5b3e5af5d3eb84

 kernel/arch/arm/include/asm/thread_info.h
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@@ -49,6 +49,7 @@
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 struct thread_info {
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 	unsigned long		flags;		/* low level flags */
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 	int			preempt_count;	/* 0 => preemptable, <0 => bug */
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+	int			preempt_lazy_count; /* 0 => preemptable, <0 => bug */
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 	mm_segment_t		addr_limit;	/* address limit */
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 	struct task_struct	*task;		/* main task structure */
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 	__u32			cpu;		/* cpu */
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@@ -139,7 +140,8 @@
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 #define TIF_SYSCALL_TRACE	4	/* syscall trace active */
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 #define TIF_SYSCALL_AUDIT	5	/* syscall auditing active */
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 #define TIF_SYSCALL_TRACEPOINT	6	/* syscall tracepoint instrumentation */
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-#define TIF_SECCOMP		7	/* seccomp syscall filtering active */
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+#define TIF_SECCOMP		8	/* seccomp syscall filtering active */
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+#define TIF_NEED_RESCHED_LAZY	7
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 #define TIF_NOHZ		12	/* in adaptive nohz mode */
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 #define TIF_USING_IWMMXT	17
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@@ -149,6 +151,7 @@
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 #define _TIF_SIGPENDING		(1 << TIF_SIGPENDING)
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 #define _TIF_NEED_RESCHED	(1 << TIF_NEED_RESCHED)
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 #define _TIF_NOTIFY_RESUME	(1 << TIF_NOTIFY_RESUME)
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+#define _TIF_NEED_RESCHED_LAZY	(1 << TIF_NEED_RESCHED_LAZY)
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 #define _TIF_UPROBE		(1 << TIF_UPROBE)
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 #define _TIF_SYSCALL_TRACE	(1 << TIF_SYSCALL_TRACE)
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 #define _TIF_SYSCALL_AUDIT	(1 << TIF_SYSCALL_AUDIT)
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@@ -164,7 +167,8 @@
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  * Change these and you break ASM code in entry-common.S
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  */
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 #define _TIF_WORK_MASK		(_TIF_NEED_RESCHED | _TIF_SIGPENDING | \
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-				 _TIF_NOTIFY_RESUME | _TIF_UPROBE)
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+				 _TIF_NOTIFY_RESUME | _TIF_UPROBE | \
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+				 _TIF_NEED_RESCHED_LAZY)
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 #endif /* __KERNEL__ */
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 #endif /* __ASM_ARM_THREAD_INFO_H */