eal: add channel for multi-process communication

[dpdk.git] / lib / librte_eal / linuxapp / eal / eal.c

diff --git a/lib/librte_eal/linuxapp/eal/eal.c b/lib/librte_eal/linuxapp/eal/eal.c
index 828baac..66f7585 100644 (file)
--- a/lib/librte_eal/linuxapp/eal/eal.c
+++ b/lib/librte_eal/linuxapp/eal/eal.c
@@ -1,7 +1,7 @@
 /*-
  *   BSD LICENSE
  *
- *   Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
+ *   Copyright(c) 2010-2018 Intel Corporation. All rights reserved.
  *   Copyright(c) 2012-2014 6WIND S.A.
  *   All rights reserved.
  *
@@ -853,6 +853,14 @@ rte_eal_init(int argc, char **argv)
                return -1;
        }
 
+       if (rte_mp_channel_init() < 0) {
+               rte_eal_init_alert("failed to init mp channel\n");
+               if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
+                       rte_errno = EFAULT;
+                       return -1;
+               }
+       }
+
 #ifdef VFIO_PRESENT
        if (rte_eal_vfio_setup() < 0) {
                rte_eal_init_alert("Cannot init VFIO\n");