Commit 5a30a789 authored Aug 02, 2020 by Linus Torvalds

Merge tag 'x86-urgent-2020-08-02' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fix from Ingo Molnar:
 "A single fix for a potential deadlock when printing a message about
  spurious interrupts"

* tag 'x86-urgent-2020-08-02' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/i8259: Use printk_deferred() to prevent deadlock

parents 142c3326 bdd65589

arch/x86/kernel/i8259.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -207,7 +207,7 @@ spurious_8259A_irq:
		* lets ACK and report it. [once per IRQ]
		*/
		if (!(spurious_irq_mask & irqmask)) {
		printk(KERN_DEBUG
		printk_deferred(KERN_DEBUG
		"spurious 8259A interrupt: IRQ%d.\n", irq);
		spurious_irq_mask \|= irqmask;
		}

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