X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_eal%2Flinuxapp%2Feal%2Feal_lcore.c;h=d310d858305f1d3b92a4cd1c9b13388d11e94007;hb=f563a3727b5dba05b2d5d641516ee99d3d534a93;hp=7487f34ef838a290db9f3c9ca2ec753c49c35ca2;hpb=b6df9fc8715f9a925136006b18fdd65f9c621757;p=dpdk.git

diff --git a/lib/librte_eal/linuxapp/eal/eal_lcore.c b/lib/librte_eal/linuxapp/eal/eal_lcore.c
index 7487f34ef8..d310d85830 100644
--- a/lib/librte_eal/linuxapp/eal/eal_lcore.c
+++ b/lib/librte_eal/linuxapp/eal/eal_lcore.c
@@ -1,35 +1,34 @@
 /*-
  *   BSD LICENSE
  * 
- *   Copyright(c) 2010-2013 Intel Corporation. All rights reserved.
+ *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
  *   All rights reserved.
  * 
- *   Redistribution and use in source and binary forms, with or without 
- *   modification, are permitted provided that the following conditions 
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
  *   are met:
  * 
- *     * Redistributions of source code must retain the above copyright 
+ *     * Redistributions of source code must retain the above copyright
  *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright 
- *       notice, this list of conditions and the following disclaimer in 
- *       the documentation and/or other materials provided with the 
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
  *       distribution.
- *     * Neither the name of Intel Corporation nor the names of its 
- *       contributors may be used to endorse or promote products derived 
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
  *       from this software without specific prior written permission.
  * 
- *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
- *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
- *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 
- *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
- *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
- *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
- *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
- *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
- *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
- *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- * 
  */
 
 #include <unistd.h>
@@ -100,7 +99,7 @@ cpu_socket_id(unsigned lcore_id)
 	}
 	closedir(d);
 	if (endptr == NULL || *endptr!='\0' || endptr == e->d_name+prefix_len) {
-		RTE_LOG(ERR, EAL, "Error reading numa node link "
+		RTE_LOG(WARNING, EAL, "Cannot read numa node link "
 				"for lcore %u - using physical package id instead\n",
 				lcore_id);
 
@@ -152,19 +151,23 @@ rte_eal_cpu_init(void)
 	unsigned lcore_id;
 	unsigned count = 0;
 
-	/* disable lcores that were not detected */
-	RTE_LCORE_FOREACH(lcore_id) {
-
+	/*
+	 * Parse the maximum set of logical cores, detect the subset of running
+	 * ones and enable them by default.
+	 */
+	for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
 		lcore_config[lcore_id].detected = cpu_detected(lcore_id);
 		if (lcore_config[lcore_id].detected == 0) {
 			RTE_LOG(DEBUG, EAL, "Skip lcore %u (not detected)\n", lcore_id);
 			config->lcore_role[lcore_id] = ROLE_OFF;
 			continue;
 		}
+		/* By default, each detected core is enabled */
+		config->lcore_role[lcore_id] = ROLE_RTE;
 		lcore_config[lcore_id].core_id = cpu_core_id(lcore_id);
 		lcore_config[lcore_id].socket_id = cpu_socket_id(lcore_id);
 		if (lcore_config[lcore_id].socket_id >= RTE_MAX_NUMA_NODES)
-#ifdef CONFIG_RTE_EAL_ALLOW_INV_SOCKET_ID
+#ifdef RTE_EAL_ALLOW_INV_SOCKET_ID
 			lcore_config[lcore_id].socket_id = 0;
 #else
 			rte_panic("Socket ID (%u) is greater than "
@@ -177,7 +180,7 @@ rte_eal_cpu_init(void)
 				lcore_config[lcore_id].socket_id);
 		count ++;
 	}
-
+	/* Set the count of enabled logical cores of the EAL configuration */
 	config->lcore_count = count;
 
 	return 0;