kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/Documentation/RCU/stallwarn.rst
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 -	A CPU looping with bottom halves disabled.
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--	For !CONFIG_PREEMPTION kernels, a CPU looping anywhere in the kernel
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+-	For !CONFIG_PREEMPT kernels, a CPU looping anywhere in the kernel
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 	without invoking schedule().  If the looping in the kernel is
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 	really expected and desirable behavior, you might need to add
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 	some calls to cond_resched().
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 	result in the ``rcu_.*kthread starved for`` console-log message,
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 	which will include additional debugging information.
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--	A CPU-bound real-time task in a CONFIG_PREEMPTION kernel, which might
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+-	A CPU-bound real-time task in a CONFIG_PREEMPT kernel, which might
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 	happen to preempt a low-priority task in the middle of an RCU
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 	read-side critical section.   This is especially damaging if
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 	that low-priority task is not permitted to run on any other CPU,