kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/arch/arm/include/asm/thread_info.h
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@@ -46,7 +46,6 @@
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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 +138,6 @@
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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_NOTIFY_SIGNAL	8	/* signal notifications exist */
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-#define TIF_NEED_RESCHED_LAZY	9
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 #define TIF_USING_IWMMXT	17
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 #define TIF_MEMDIE		18	/* is terminating due to OOM killer */
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@@ -154,7 +152,6 @@
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 #define _TIF_SYSCALL_TRACEPOINT	(1 << TIF_SYSCALL_TRACEPOINT)
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 #define _TIF_SECCOMP		(1 << TIF_SECCOMP)
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 #define _TIF_NOTIFY_SIGNAL	(1 << TIF_NOTIFY_SIGNAL)
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-#define _TIF_NEED_RESCHED_LAZY	(1 << TIF_NEED_RESCHED_LAZY)
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 #define _TIF_USING_IWMMXT	(1 << TIF_USING_IWMMXT)
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 /* Checks for any syscall work in entry-common.S */
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@@ -166,7 +163,6 @@
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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_NEED_RESCHED_LAZY | \
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 				 _TIF_NOTIFY_SIGNAL)
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 #endif /* __KERNEL__ */