kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/kernel/irq/manage.c
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@@ -1202,8 +1202,6 @@
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 	irq_thread_set_ready(desc, action);
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-	sched_set_fifo(current);
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-
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 	if (force_irqthreads && test_bit(IRQTF_FORCED_THREAD,
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 					&action->thread_flags))
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 		handler_fn = irq_forced_thread_fn;
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@@ -1368,6 +1366,8 @@
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 	if (IS_ERR(t))
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 		return PTR_ERR(t);
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+
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+	sched_set_fifo(t);
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 	/*
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 	 * We keep the reference to the task struct even if
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@@ -2750,7 +2750,7 @@
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  *	This call sets the internal irqchip state of an interrupt,
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  *	depending on the value of @which.
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  *
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- *	This function should be called with migration disabled if the
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+ *	This function should be called with preemption disabled if the
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  *	interrupt controller has per-cpu registers.
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  */
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 int irq_set_irqchip_state(unsigned int irq, enum irqchip_irq_state which,