1 files changed, 2 insertions, 0 deletions

diff --git a/arch/um/kernel/irq.c b/arch/um/kernel/irq.c
index bfd0bdc8cd40..519cdb0a7708 100644
--- a/arch/um/kernel/irq.c
+++ b/arch/um/kernel/irq.c
@@ -350,6 +350,7 @@ int deactivate_all_fds(void)
         return 0;
 }
 
+#ifdef CONFIG_MODE_TT
 void forward_interrupts(int pid)
 {
         struct irq_fd *irq;
@@ -371,6 +372,7 @@ void forward_interrupts(int pid)
         }
         irq_unlock(flags);
 }
+#endif
 
 /*
  * do_IRQ handles all normal device IRQ's (the special