From f2c238a0c5e155acd49752c5fb93fb8d8534232b Mon Sep 17 00:00:00 2001
From: Hoang-Nam Nguyen <hnguyen@de.ibm.com>
Date: Sun, 5 Nov 2006 21:42:20 +0100
Subject: IB/ehca: Activate scaling code by default

Change ehca's Kconfig to activates scaling code as default.  After
several measurements we saw that this feature prevents dropped packets
(UD) in stress situation. Thus, enabling it helps to improve ehca's
bandwidth through IPoIB.

Signed-off-by: Hoang-Nam Nguyen <hnguyen@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 drivers/infiniband/hw/ehca/Kconfig | 1 +
 1 file changed, 1 insertion(+)

(limited to 'drivers/infiniband/hw/ehca')

diff --git a/drivers/infiniband/hw/ehca/Kconfig b/drivers/infiniband/hw/ehca/Kconfig
index 922389b..727b10d 100644
--- a/drivers/infiniband/hw/ehca/Kconfig
+++ b/drivers/infiniband/hw/ehca/Kconfig
@@ -10,6 +10,7 @@ config INFINIBAND_EHCA
 config INFINIBAND_EHCA_SCALING
 	bool "Scaling support (EXPERIMENTAL)"
 	depends on IBMEBUS && INFINIBAND_EHCA && HOTPLUG_CPU && EXPERIMENTAL
+	default y
 	---help---
 	eHCA scaling support schedules the CQ callbacks to different CPUs.
 
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