Commit 477694e7 authored Jul 19, 2011 by Thomas Gleixner

x86, iommu: Mark DMAR IRQ as non-threaded



Mark this lowlevel IRQ handler as non-threaded. This prevents a boot
crash when "threadirqs" is on the kernel commandline. Also the
interrupt handler is handling hardware critical events which should
not be delayed into a thread.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>

parent ed585a65

drivers/iommu/dmar.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1388,7 +1388,7 @@ int dmar_set_interrupt(struct intel_iommu *iommu)
		return ret;
		}

		ret = request_irq(irq, dmar_fault, 0, iommu->name, iommu);
		ret = request_irq(irq, dmar_fault, IRQF_NO_THREAD, iommu->name, iommu);
		if (ret)
		printk(KERN_ERR "IOMMU: can't request irq\n");
		return ret;