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-rw-r--r--include/linux/hardirq.h4
1 files changed, 0 insertions, 4 deletions
diff --git a/include/linux/hardirq.h b/include/linux/hardirq.h
index ccfe17c5c8d..1e041063b22 100644
--- a/include/linux/hardirq.h
+++ b/include/linux/hardirq.h
@@ -7,11 +7,7 @@
#include <linux/vtime.h>
-#if defined(CONFIG_SMP) || defined(CONFIG_GENERIC_HARDIRQS)
extern void synchronize_irq(unsigned int irq);
-#else
-# define synchronize_irq(irq) barrier()
-#endif
#if defined(CONFIG_TINY_RCU)