change system file

hc

2024-10-09 244b2c5ca8b14627e4a17755e5922221e121c771

 kernel/kernel/irq/handle.c
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@@ -145,11 +145,18 @@
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 	for_each_action_of_desc(desc, action) {
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 		irqreturn_t res;
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+		/*
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+		 * If this IRQ would be threaded under force_irqthreads, mark it so.
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+		 */
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+		if (irq_settings_can_thread(desc) &&
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+		    !(action->flags & (IRQF_NO_THREAD | IRQF_PERCPU | IRQF_ONESHOT)))
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+			lockdep_hardirq_threaded();
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+
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 		trace_irq_handler_entry(irq, action);
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 		res = action->handler(irq, action->dev_id);
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 		trace_irq_handler_exit(irq, action, res);
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-		if (WARN_ONCE(!irqs_disabled(),"irq %u handler %pF enabled interrupts\n",
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+		if (WARN_ONCE(!irqs_disabled(),"irq %u handler %pS enabled interrupts\n",
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 			      irq, action->handler))
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 			local_irq_disable();
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@@ -166,7 +173,7 @@
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 			__irq_wake_thread(desc, action);
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-			/* Fall through to add to randomness */
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+			fallthrough;	/* to add to randomness */
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 		case IRQ_HANDLED:
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 			*flags |= action->flags;
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 			break;
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@@ -185,16 +192,10 @@
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 {
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 	irqreturn_t retval;
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 	unsigned int flags = 0;
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-	struct pt_regs *regs = get_irq_regs();
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-	u64 ip = regs ? instruction_pointer(regs) : 0;
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 	retval = __handle_irq_event_percpu(desc, &flags);
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-#ifdef CONFIG_PREEMPT_RT_FULL
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-	desc->random_ip = ip;
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-#else
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-	add_interrupt_randomness(desc->irq_data.irq, flags, ip);
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-#endif
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+	add_interrupt_randomness(desc->irq_data.irq);
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 	if (!noirqdebug)
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 		note_interrupt(desc, retval);