Secondary would crash if it tries to handle mp requests before memory
init, since globals such as eth_dev_shared_data_lock are not accessible
to it at this moment.
---
lib/eal/linux/eal.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/lib/eal/linux/eal.c b/lib/eal/linux/eal.c
index ae323cd492..a74d564597 100644
--- a/lib/eal/linux/eal.c
+++ b/lib/eal/linux/eal.c
@@ -1058,12 +1058,6 @@ rte_eal_init(int argc, char **argv)
}
}
- /* register multi-process action callbacks for hotplug */
- if (eal_mp_dev_hotplug_init() < 0) {
- rte_eal_init_alert("failed to register mp callback for
hotplug");
- return -1;
- }
-
if (rte_bus_scan()) {
rte_eal_init_alert("Cannot scan the buses for devices");
rte_errno = ENODEV;
@@ -1221,6 +1215,12 @@ rte_eal_init(int argc, char **argv)
return -1;
}
+ /* register multi-process action callbacks for hotplug after memory
init */
+ if (eal_mp_dev_hotplug_init() < 0) {
+ rte_eal_init_alert("failed to register mp callback for
hotplug");
+ return -1;
+ }
+
if (rte_eal_tailqs_init() < 0) {
rte_eal_init_alert("Cannot init tail queues for objects");
rte_errno = EFAULT;
--
2.11.0
