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Commit 676dc3cf authored by Thomas Gleixner's avatar Thomas Gleixner Committed by Konrad Rzeszutek Wilk
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xen: Use IRQF_FORCE_RESUME 



Mark the IRQF_NO_SUSPEND interrupts IRQF_FORCE_RESUME and remove the extra
walk through the interrupt descriptors.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Signed-off-by: default avatarKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
parent 8aef4857

drivers/xen/events.c

+1 −19
Original line number Diff line number Diff line
@@ -977,7 +977,7 @@ int bind_ipi_to_irqhandler(enum ipi_vector ipi, 
	if (irq < 0)

		return irq;



	irqflags |= IRQF_NO_SUSPEND;

	irqflags |= IRQF_NO_SUSPEND | IRQF_FORCE_RESUME;

	retval = request_irq(irq, handler, irqflags, devname, dev_id);

	if (retval != 0) {

		unbind_from_irq(irq);
@@ -1433,7 +1433,6 @@ void xen_poll_irq(int irq) 
void xen_irq_resume(void)

{

	unsigned int cpu, irq, evtchn;

	struct irq_desc *desc;



	init_evtchn_cpu_bindings();
@@ -1453,23 +1452,6 @@ void xen_irq_resume(void) 
		restore_cpu_ipis(cpu);

	}



	/*

	 * Unmask any IRQF_NO_SUSPEND IRQs which are enabled. These

	 * are not handled by the IRQ core.

	 */

	for_each_irq_desc(irq, desc) {

		if (!desc->action || !(desc->action->flags & IRQF_NO_SUSPEND))

			continue;

		if (desc->status & IRQ_DISABLED)

			continue;



		evtchn = evtchn_from_irq(irq);

		if (evtchn == -1)

			continue;



		unmask_evtchn(evtchn);

	}



	restore_cpu_pirqs();

}