eal: do not panic if plugins fail to init

[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 564cac3..b2a9005 100644 (file)
--- a/lib/librte_eal/linuxapp/eal/eal.c
+++ b/lib/librte_eal/linuxapp/eal/eal.c
@@ -825,19 +825,30 @@ rte_eal_init(int argc, char **argv)
 
        rte_config_init();
 
-       if (rte_eal_log_init(logid, internal_config.syslog_facility) < 0)
-               rte_panic("Cannot init logs\n");
+       if (rte_eal_log_init(logid, internal_config.syslog_facility) < 0) {
+               rte_eal_init_alert("Cannot init logging.");
+               rte_errno = ENOMEM;
+               rte_atomic32_clear(&run_once);
+               return -1;
+       }
 
        if (rte_eal_pci_init() < 0)
                rte_panic("Cannot init PCI\n");
 
 #ifdef VFIO_PRESENT
-       if (rte_eal_vfio_setup() < 0)
-               rte_panic("Cannot init VFIO\n");
+       if (rte_eal_vfio_setup() < 0) {
+               rte_eal_init_alert("Cannot init VFIO\n");
+               rte_errno = EAGAIN;
+               rte_atomic32_clear(&run_once);
+               return -1;
+       }
 #endif
 
-       if (rte_eal_memory_init() < 0)
-               rte_panic("Cannot init memory\n");
+       if (rte_eal_memory_init() < 0) {
+               rte_eal_init_alert("Cannot init memory\n");
+               rte_errno = ENOMEM;
+               return -1;
+       }
 
        /* the directories are locked during eal_hugepage_info_init */
        eal_hugedirs_unlock();
@@ -848,19 +859,28 @@ rte_eal_init(int argc, char **argv)
                return -1;
        }
 
-       if (rte_eal_tailqs_init() < 0)
-               rte_panic("Cannot init tail queues for objects\n");
+       if (rte_eal_tailqs_init() < 0) {
+               rte_eal_init_alert("Cannot init tail queues for objects\n");
+               rte_errno = EFAULT;
+               return -1;
+       }
 
-       if (rte_eal_alarm_init() < 0)
-               rte_panic("Cannot init interrupt-handling thread\n");
+       if (rte_eal_alarm_init() < 0) {
+               rte_eal_init_alert("Cannot init interrupt-handling thread\n");
+               /* rte_eal_alarm_init sets rte_errno on failure. */
+               return -1;
+       }
 
-       if (rte_eal_timer_init() < 0)
-               rte_panic("Cannot init HPET or TSC timers\n");
+       if (rte_eal_timer_init() < 0) {
+               rte_eal_init_alert("Cannot init HPET or TSC timers\n");
+               rte_errno = ENOTSUP;
+               return -1;
+       }
 
        eal_check_mem_on_local_socket();
 
        if (eal_plugins_init() < 0)
-               rte_panic("Cannot init plugins\n");
+               rte_eal_init_alert("Cannot init plugins\n");
 
        eal_thread_init_master(rte_config.master_lcore);
 
@@ -870,8 +890,10 @@ rte_eal_init(int argc, char **argv)
                rte_config.master_lcore, (int)thread_id, cpuset,
                ret == 0 ? "" : "...");
 
-       if (rte_eal_intr_init() < 0)
-               rte_panic("Cannot init interrupt-handling thread\n");
+       if (rte_eal_intr_init() < 0) {
+               rte_eal_init_alert("Cannot init interrupt-handling thread\n");
+               return -1;
+       }
 
        if (rte_bus_scan())
                rte_panic("Cannot scan the buses for devices\n");