X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Finfiniband%2Fhw%2Fmthca%2Fmthca_provider.h;h=9a5bece3fa5c28eaf9ffb1fda134cb8785d39cac;hb=f834c755423332a6ff4397fae754029a6a7a8249;hp=179a8f610d0f00ded795bfa0b07310a9ac1fc986;hpb=61fb46c5b3578fda7cc780e8bc53b3e8f8c1a143;p=pandora-kernel.git

diff --git a/drivers/infiniband/hw/mthca/mthca_provider.h b/drivers/infiniband/hw/mthca/mthca_provider.h
index 179a8f610d0f..9a5bece3fa5c 100644
--- a/drivers/infiniband/hw/mthca/mthca_provider.h
+++ b/drivers/infiniband/hw/mthca/mthca_provider.h
@@ -136,8 +136,8 @@ struct mthca_ah {
  * We have one global lock that protects dev->cq/qp_table.  Each
  * struct mthca_cq/qp also has its own lock.  An individual qp lock
  * may be taken inside of an individual cq lock.  Both cqs attached to
- * a qp may be locked, with the send cq locked first.  No other
- * nesting should be done.
+ * a qp may be locked, with the cq with the lower cqn locked first.
+ * No other nesting should be done.
  *
  * Each struct mthca_cq/qp also has an ref count, protected by the
  * corresponding table lock.  The pointer from the cq/qp_table to the
@@ -214,6 +214,7 @@ struct mthca_cq {
 	int			arm_sn;
 
 	wait_queue_head_t	wait;
+	struct mutex		mutex;
 };
 
 struct mthca_srq {
@@ -237,6 +238,7 @@ struct mthca_srq {
 	struct mthca_mr		mr;
 
 	wait_queue_head_t	wait;
+	struct mutex		mutex;
 };
 
 struct mthca_wq {
@@ -278,6 +280,7 @@ struct mthca_qp {
 	union mthca_buf	       queue;
 
 	wait_queue_head_t      wait;
+	struct mutex	       mutex;
 };
 
 struct mthca_sqp {