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Date:	Fri, 10 Jan 2014 16:47:30 -0800
From:	Jeff Kirsher <>
Cc:	Paul Gortmaker <>,,,,
	Mitch Williams <>,
	Greg Rose <>,
	Jeff Kirsher <>
Subject: [net-next v3 17/17] i40evf: fix s390 build failure due to implicit prefetch.h

From: Paul Gortmaker <>

As of commit 7f12ad741a4870b8b6e3aafbcd868d0191770802 ("i40evf: transmit
and receive functionality") the s390 builds (allyesconfig) fail with:

drivers/net/ethernet/intel/i40evf/i40e_txrx.c: In function 'i40e_clean_rx_irq':
drivers/net/ethernet/intel/i40evf/i40e_txrx.c:818:3: error: implicit declaration of function 'prefetch'
make[5]: *** [drivers/net/ethernet/intel/i40evf/i40e_txrx.o] Error 1

due to an implicit assumption that the prototype from linux/prefetch.h
will be present.

Cc: Mitch Williams <>
Cc: Greg Rose <>
Signed-off-by: Paul Gortmaker <>
Acked-by: Shannon Nelson <>
Signed-off-by: Jeff Kirsher <>
 drivers/net/ethernet/intel/i40evf/i40e_txrx.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c
index 8f2b3b2..ffdb01d 100644
--- a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c
@@ -21,6 +21,8 @@
+#include <linux/prefetch.h>
 #include "i40evf.h"
 static inline __le64 build_ctob(u32 td_cmd, u32 td_offset, unsigned int size,

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