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

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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Thomas Gleixner authored and Konrad Rzeszutek Wilk committed Mar 3, 2011
1 parent 8aef485 commit 676dc3c
Showing 1 changed file with 1 addition and 19 deletions.
20 changes: 1 addition & 19 deletions drivers/xen/events.c
Original file line number Diff line number Diff line change
Expand Up @@ -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);
Expand Down Expand Up @@ -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();

Expand All @@ -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();
}

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