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authorThomas Gleixner <tglx@linutronix.de>2011-02-05 20:08:59 +0000
committerAndi Kleen <ak@linux.intel.com>2011-08-01 13:54:57 -0700
commit4bd6e30b48fb0c03f9546b711dc86a42fd606aa1 (patch)
treec7848d546c9ff1cf8667e9644b7759cf13c7b886 /drivers
parentc2bce5c31e51c5a5852d4c6c84c5cec4f69539e6 (diff)
xen: Use IRQF_FORCE_RESUME
commit 676dc3cf5bc36a9e129a3ad8fe3bd7b2ebf20f5d upstream. 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> Signed-off-by: Stefan Bader <stefan.bader@canonical.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Andi Kleen <ak@linux.intel.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/xen/events.c20
1 files changed, 1 insertions, 19 deletions
diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index 9c66deb72b8d..614c88b41f4f 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -537,7 +537,7 @@ 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);
@@ -896,7 +896,6 @@ void xen_poll_irq(int irq)
void xen_irq_resume(void)
{
unsigned int cpu, irq, evtchn;
- struct irq_desc *desc;
init_evtchn_cpu_bindings();
@@ -915,23 +914,6 @@ void xen_irq_resume(void)
restore_cpu_virqs(cpu);
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);
- }
}
static struct irq_chip xen_dynamic_chip __read_mostly = {