From: Mike Marciniszyn <mike.marciniszyn@intel.com>
Date: Mon, 7 Mar 2016 19:35:46 +0000 (-0800)
Subject: IB/hfi1: Enable adaptive pio by default
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=d0e859c32801f6793790d71dc41a9330da0da371;p=linux-beck.git

IB/hfi1: Enable adaptive pio by default

Set the piothreshold to the agreed upon default of 256B.

Reviewed-by: Jubin John <jubin.john@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
---

diff --git a/drivers/staging/rdma/hfi1/verbs.c b/drivers/staging/rdma/hfi1/verbs.c
index 62755af693a2..89f2aad45c1b 100644
--- a/drivers/staging/rdma/hfi1/verbs.c
+++ b/drivers/staging/rdma/hfi1/verbs.c
@@ -121,7 +121,7 @@ unsigned int hfi1_max_srq_wrs = 0x1FFFF;
 module_param_named(max_srq_wrs, hfi1_max_srq_wrs, uint, S_IRUGO);
 MODULE_PARM_DESC(max_srq_wrs, "Maximum number of SRQ WRs support");
 
-unsigned short piothreshold;
+unsigned short piothreshold = 256;
 module_param(piothreshold, ushort, S_IRUGO);
 MODULE_PARM_DESC(piothreshold, "size used to determine sdma vs. pio");