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-rw-r--r--drivers/xen/events.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index 30963af..1cd2a0e 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -151,6 +151,12 @@ static unsigned int evtchn_from_irq(unsigned irq)
return info_for_irq(irq)->evtchn;
}
+unsigned irq_from_evtchn(unsigned int evtchn)
+{
+ return evtchn_to_irq[evtchn];
+}
+EXPORT_SYMBOL_GPL(irq_from_evtchn);
+
static enum ipi_vector ipi_from_irq(unsigned irq)
{
struct irq_info *info = info_for_irq(irq);
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