From: Steve Wise <swise@opengridcomputing.com>
Date: Thu, 27 Mar 2014 17:03:47 +0000 (-0500)
Subject: RDMA/cxgb4: Disable DSGL use by default
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=96bb2706c883a21d7da6a261d7e60d3bab4cf6bd;p=deliverable%2Flinux.git

RDMA/cxgb4: Disable DSGL use by default

Current hardware doesn't correctly support DSGL.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
---

diff --git a/drivers/infiniband/hw/cxgb4/mem.c b/drivers/infiniband/hw/cxgb4/mem.c
index 22a2e3e4540f..2630838ab1c2 100644
--- a/drivers/infiniband/hw/cxgb4/mem.c
+++ b/drivers/infiniband/hw/cxgb4/mem.c
@@ -37,9 +37,9 @@
 
 #include "iw_cxgb4.h"
 
-int use_dsgl = 1;
+int use_dsgl = 0;
 module_param(use_dsgl, int, 0644);
-MODULE_PARM_DESC(use_dsgl, "Use DSGL for PBL/FastReg (default=1)");
+MODULE_PARM_DESC(use_dsgl, "Use DSGL for PBL/FastReg (default=0)");
 
 #define T4_ULPTX_MIN_IO 32
 #define C4IW_MAX_INLINE_SIZE 96