IB: make INFINIBAND_ADDR_TRANS configurable

BugLink: http://bugs.launchpad.net/bugs/1794889
[ Upstream commit f7cb7b85be55a4906b4b4b30596db1043dae6335 ]

Allow INFINIBAND without INFINIBAND_ADDR_TRANS because fuzzing has been
finding fair number of CM bugs.  So provide option to disable it.

Signed-off-by: Greg Thelen <gthelen@google.com>
Cc: Tarick Bedeir <tarick@google.com>
Reviewed-by: Bart Van Assche <bart.vanassche@wdc.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>

diff --git a/drivers/infiniband/Kconfig b/drivers/infiniband/Kconfig
index cbf186522016f97f3024ac84bdac4330ddf1a26f..2000b18e4b056b7cfa3bd73b507a68ea343bf443 100644 (file)
--- a/drivers/infiniband/Kconfig
+++ b/drivers/infiniband/Kconfig
@@ -60,9 +60,12 @@ config INFINIBAND_ON_DEMAND_PAGING
          pages on demand instead.
 
 config INFINIBAND_ADDR_TRANS
-       bool
+       bool "RDMA/CM"
        depends on INFINIBAND
        default y
+       ---help---
+         Support for RDMA communication manager (CM).
+         This allows for a generic connection abstraction over RDMA.
 
 config INFINIBAND_ADDR_TRANS_CONFIGFS
        bool