X-Git-Url: http://git.droids-corp.org/?p=dpdk.git;a=blobdiff_plain;f=lib%2Flibrte_eal%2Fcommon%2Feal_common_thread.c;fp=lib%2Flibrte_eal%2Fcommon%2Feal_common_thread.c;h=f1798cebcb0bb115d2ab85f98caf1ea7ee80fab1;hp=b4335e04e73caa7762cb7b2648b9973381993e40;hb=4cd789c43ff35c4a4cd05a187f078be671f8332d;hpb=2a2b8cd7d11765c01db3a0242c5274207fbb457f

diff --git a/lib/librte_eal/common/eal_common_thread.c b/lib/librte_eal/common/eal_common_thread.c
index b4335e04e7..f1798cebcb 100644
--- a/lib/librte_eal/common/eal_common_thread.c
+++ b/lib/librte_eal/common/eal_common_thread.c
@@ -45,6 +45,7 @@
 #include <rte_memory.h>
 #include <rte_log.h>
 
+#include "eal_private.h"
 #include "eal_thread.h"
 
 RTE_DECLARE_PER_LCORE(unsigned , _socket_id);
@@ -199,7 +200,9 @@ int rte_ctrl_thread_create(pthread_t *thread, const char *name,
 		.start_routine = start_routine,
 		.arg = arg,
 	};
-	int ret;
+	unsigned int lcore_id;
+	rte_cpuset_t cpuset;
+	int set_affinity, ret;
 
 	pthread_barrier_init(&params.launched, NULL, 2);
 	pthread_barrier_init(&params.configured, NULL, 2);
@@ -216,6 +219,21 @@ int rte_ctrl_thread_create(pthread_t *thread, const char *name,
 			goto fail;
 	}
 
+	set_affinity = 0;
+	CPU_ZERO(&cpuset);
+	for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
+		if (eal_cpu_detected(lcore_id) &&
+				rte_lcore_has_role(lcore_id, ROLE_OFF)) {
+			CPU_SET(lcore_id, &cpuset);
+			set_affinity = 1;
+		}
+	}
+	if (set_affinity) {
+		ret = pthread_setaffinity_np(*thread, sizeof(cpuset), &cpuset);
+		if (ret < 0)
+			goto fail;
+	}
+
 	pthread_barrier_wait(&params.configured);
 
 	return 0;