commit ffd435924c86de055d33fe59941841819eef9f6a
author Steve Wise <swise@opengridcomputing.com> Wed Mar 19 17:44:38 2014 +0530
committer Roland Dreier <roland@purestorage.com> Thu Mar 20 09:59:04 2014 -0700
tree 86b3fc2e3f95a7e77133d926c9eec3b026410416
parent e24a72a3302a638d4c6e77f0b40c45cc61c3f089

RDMA/cxgb4: Cap CQ size at T4_MAX_IQ_SIZE

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

drivers/infiniband/hw/cxgb4/cq.c

diff --git a/drivers/infiniband/hw/cxgb4/cq.c b/drivers/infiniband/hw/cxgb4/cq.c
index e436ead..906119f 100644
--- a/drivers/infiniband/hw/cxgb4/cq.c
+++ b/drivers/infiniband/hw/cxgb4/cq.c
@@ -881,7 +881,7 @@
 	/*
 	 * Make actual HW queue 2x to avoid cdix_inc overflows.
 	 */
-	hwentries = entries * 2;
+	hwentries = min(entries * 2, T4_MAX_IQ_SIZE);
 
 	/*
 	 * Make HW queue at least 64 entries so GTS updates aren't too