From: Damjan Marion <damarion@cisco.com>
Date: Tue, 14 Mar 2017 10:10:00 +0000 (+0100)
Subject: vlib: poll pre_input nodes only on main thread
X-Git-Tag: v17.04-rc1~50
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=refs%2Fchanges%2F38%2F5738%2F2;p=vpp.git

vlib: poll pre_input nodes only on main thread

Change-Id: I61464fd1610a9754693f31edd72f9fa1b6926511
Signed-off-by: Damjan Marion <damarion@cisco.com>
---

diff --git a/src/vlib/main.c b/src/vlib/main.c
index 917607067eb..58e88fccc4a 100644
--- a/src/vlib/main.c
+++ b/src/vlib/main.c
@@ -1468,12 +1468,13 @@ vlib_main_or_worker_loop (vlib_main_t * vm, int is_main)
 	}
 
       /* Process pre-input nodes. */
-      vec_foreach (n, nm->nodes_by_type[VLIB_NODE_TYPE_PRE_INPUT])
-	cpu_time_now = dispatch_node (vm, n,
-				      VLIB_NODE_TYPE_PRE_INPUT,
-				      VLIB_NODE_STATE_POLLING,
-				      /* frame */ 0,
-				      cpu_time_now);
+      if (is_main)
+	vec_foreach (n, nm->nodes_by_type[VLIB_NODE_TYPE_PRE_INPUT])
+	  cpu_time_now = dispatch_node (vm, n,
+					VLIB_NODE_TYPE_PRE_INPUT,
+					VLIB_NODE_STATE_POLLING,
+					/* frame */ 0,
+					cpu_time_now);
 
       /* Next process input nodes. */
       vec_foreach (n, nm->nodes_by_type[VLIB_NODE_TYPE_INPUT])