Commit 58a746c3 authored by Yipeng Zou's avatar Yipeng Zou
Browse files

Revert "genirq: add printk safe in irq context" 

hulk inclusion
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I88NEK


CVE: NA

--------------------------------

This reverts commit db0bbc90.

Signed-off-by: default avatarYipeng Zou <zouyipeng@huawei.com>
parent 4660b2cc

kernel/irq/chip.c

+3 −13
Original line number Diff line number Diff line
@@ -513,19 +513,9 @@ static bool irq_may_run(struct irq_desc *desc) 
	if (!irqd_has_set(&desc->irq_data, mask))

		return true;



	if (irqd_get(&desc->irq_data) & IRQD_IRQ_INPROGRESS) {

		const char *name = NULL;



		if (desc->name)

			name = desc->name;

		else if (desc->action)

			name = desc->action->name;



		printk_safe_enter();

		pr_warn("irq %u(%s) may be reentrant in multiple cpus.\n",

			desc->irq_data.irq, name == NULL ? "NULL" : name);

		printk_safe_exit();

	}

	if (irqd_get(&desc->irq_data) & IRQD_IRQ_INPROGRESS)

		pr_warn_ratelimited("irq %u(%lu) may be reentrant in multiple cpus.\n",

				    desc->irq_data.irq, desc->irq_data.hwirq);



	/*

	 * If the interrupt is an armed wakeup source, mark it pending