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authorHoang-Nam Nguyen <hnguyen@de.ibm.com>2006-11-05 21:42:20 +0100
committerRoland Dreier <rolandd@cisco.com>2006-11-13 08:46:28 -0800
commitf2c238a0c5e155acd49752c5fb93fb8d8534232b (patch)
tree4ad09eeb0be6608f7a4bcee215c1fefa80ef8b80
parentc58121143f87930621c1a6fa9683b6862f2b42c9 (diff)
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>
-rw-r--r--drivers/infiniband/hw/ehca/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/ehca/Kconfig b/drivers/infiniband/hw/ehca/Kconfig
index 922389b6439..727b10d8968 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.