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[4/4] net: tile: don't send interrupts to nohz cores by default

Message ID 1427224895-30830-5-git-send-email-cmetcalf@ezchip.com
State Not Applicable, archived
Delegated to: David Miller
Headers show

Commit Message

Chris Metcalf March 24, 2015, 7:21 p.m. UTC 
From: Chris Metcalf <cmetcalf@ezchip.com>

Signed-off-by: Chris Metcalf <cmetcalf@ezchip.com>
---
 drivers/net/ethernet/tile/tilegx.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
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Patch

diff --git a/drivers/net/ethernet/tile/tilegx.c b/drivers/net/ethernet/tile/tilegx.c
index bea8cd2bb56c..cf9850c6a809 100644
--- a/drivers/net/ethernet/tile/tilegx.c
+++ b/drivers/net/ethernet/tile/tilegx.c
@@ -40,6 +40,7 @@ 
 #include <linux/tcp.h>
 #include <linux/net_tstamp.h>
 #include <linux/ptp_clock_kernel.h>
+#include <linux/tick.h>
 
 #include <asm/checksum.h>
 #include <asm/homecache.h>
@@ -2271,8 +2272,10 @@  static int __init tile_net_init_module(void)
 	for (i = 0; gxio_mpipe_link_enumerate_mac(i, name, mac) >= 0; i++)
 		tile_net_dev_init(name, mac);
 
-	if (!network_cpus_init())
+	if (!network_cpus_init()) {
 		network_cpus_map = *cpu_online_mask;
+		tick_nohz_full_clear_cpus(&network_cpus_map);
+	}
 
 	return 0;
 }