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authorHoang-Nam Nguyen <hnguyen@de.ibm.com>2006-11-05 20:42:20 (GMT)
committerRoland Dreier <rolandd@cisco.com>2006-11-13 16:46:28 (GMT)
commitf2c238a0c5e155acd49752c5fb93fb8d8534232b (patch)
tree4ad09eeb0be6608f7a4bcee215c1fefa80ef8b80 /drivers/infiniband/hw
parentc58121143f87930621c1a6fa9683b6862f2b42c9 (diff)
downloadlinux-fsl-qoriq-f2c238a0c5e155acd49752c5fb93fb8d8534232b.tar.xz
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>
Diffstat (limited to 'drivers/infiniband/hw')
-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 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.