linux-kernel - Re: [patch V2 12/45] genirq/chip: Rework handle_nested

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Message-ID: <87msblljfj.ffs@tglx>
Date: Fri, 09 May 2025 20:37:20 +0200
From: Thomas Gleixner <tglx@...utronix.de>
To: Marek Szyprowski <m.szyprowski@...sung.com>, LKML
 <linux-kernel@...r.kernel.org>
Cc: Jiri Slaby <jirislaby@...nel.org>, Peter Zijlstra <peterz@...radead.org>
Subject: Re: [patch V2 12/45] genirq/chip: Rework handle_nested_irq()

On Thu, May 08 2025 at 22:56, Marek Szyprowski wrote:
> On 29.04.2025 08:55, Thomas Gleixner wrote:
>> +void handle_nested_irq(unsigned int irq)
>> +{
>> +	struct irq_desc *desc = irq_to_desc(irq);
>> +	struct irqaction *action;
>> +	irqreturn_t action_ret;
>> +
>> +	might_sleep();
>> +
>> +	scoped_guard(raw_spinlock_irq, &desc->lock) {
>> +		if (irq_can_handle_actions(desc))
>
> This should be "if (!irq_can_handle_actions(desc))" to fix nested irqs handling in today's linux-next.

Ooops.