[PATCH v2] eal: cleanup alarm and multiprocess hotplug before memory detach

[Fengnan Chang]

Alarm and multiprocess hotplug still need access hugepage memory,
if alarm event processed after memory detach, it may cause SEGV.
So cleanup alarm and multiprocess hotplug before memory detach.

Fixes: 90b13ab8d4f7 ("alarm: remove direct access to interrupt handle")
Fixes: a0cc7be20dd1 ("mem: cleanup multiprocess resources")

Signed-off-by: Fengnan Chang <changfeng...@bytedance.com>
---
 lib/eal/freebsd/eal.c | 2 +-
 lib/eal/linux/eal.c   | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/eal/freebsd/eal.c b/lib/eal/freebsd/eal.c
index 1b58cd3da6..83b99c601f 100644
--- a/lib/eal/freebsd/eal.c
+++ b/lib/eal/freebsd/eal.c
@@ -897,9 +897,9 @@ rte_eal_cleanup(void)
        eal_bus_cleanup();
        rte_trace_save();
        eal_trace_fini();
+       rte_eal_alarm_cleanup();
        /* after this point, any DPDK pointers will become dangling */
        rte_eal_memory_detach();
-       rte_eal_alarm_cleanup();
        eal_cleanup_config(internal_conf);
        return 0;
 }
diff --git a/lib/eal/linux/eal.c b/lib/eal/linux/eal.c
index 8c118d0d9f..c76f026023 100644
--- a/lib/eal/linux/eal.c
+++ b/lib/eal/linux/eal.c
@@ -1372,11 +1372,11 @@ rte_eal_cleanup(void)
        eal_bus_cleanup();
        rte_trace_save();
        eal_trace_fini();
+       eal_mp_dev_hotplug_cleanup();
+       rte_eal_alarm_cleanup();
        /* after this point, any DPDK pointers will become dangling */
        rte_eal_memory_detach();
-       eal_mp_dev_hotplug_cleanup();
        rte_eal_malloc_heap_cleanup();
-       rte_eal_alarm_cleanup();
        eal_cleanup_config(internal_conf);
        rte_eal_log_cleanup();
        return 0;
-- 
2.37.0 (Apple Git-136)