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From: Stephen Hemminger <stephen@networkplumber.org>
To: dev@dpdk.org
Cc: Stephen Hemminger <stephen@networkplumber.org>
Date: Tue, 28 Apr 2020 16:58:26 -0700
Message-Id: <20200428235827.15383-8-stephen@networkplumber.org>
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<20200428235827.15383-1-stephen@networkplumber.org>
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Subject: [dpdk-dev] [PATCH v3 7/8] eal: hotplug: cleanup multiprocess
resources
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When rte_eal_cleanup is called, hotplug should unregister the
resources associated with the multi-process server.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
lib/librte_eal/common/hotplug_mp.c | 5 +++++
lib/librte_eal/common/hotplug_mp.h | 6 ++++++
lib/librte_eal/linux/eal.c | 1 +
3 files changed, 12 insertions(+)
diff --git a/lib/librte_eal/common/hotplug_mp.c b/lib/librte_eal/common/hotplug_mp.c
index ee791903b3b7..a390c01fd41c 100644
--- a/lib/librte_eal/common/hotplug_mp.c
+++ b/lib/librte_eal/common/hotplug_mp.c
@@ -463,3 +463,8 @@ int eal_mp_dev_hotplug_init(void)
return 0;
}
+
+void eal_mp_dev_hotplug_cleanup(void)
+{
+ rte_mp_action_unregister(EAL_DEV_MP_ACTION_REQUEST);
+}
diff --git a/lib/librte_eal/common/hotplug_mp.h b/lib/librte_eal/common/hotplug_mp.h
index 8fcf9b52e24c..4848446c852d 100644
--- a/lib/librte_eal/common/hotplug_mp.h
+++ b/lib/librte_eal/common/hotplug_mp.h
@@ -37,6 +37,12 @@ struct eal_dev_mp_req {
int
eal_mp_dev_hotplug_init(void);
+/**
+ * Unregister all mp action callbacks for hotplug.
+ */
+void
+eal_mp_dev_hotplug_cleanup(void);
+
/**
* This is a synchronous wrapper for secondary process send
* request to primary process, this is invoked when an attach
diff --git a/lib/librte_eal/linux/eal.c b/lib/librte_eal/linux/eal.c
index 7c56dbf49508..ffb0678b864a 100644
--- a/lib/librte_eal/linux/eal.c
+++ b/lib/librte_eal/linux/eal.c
@@ -1350,6 +1350,7 @@ rte_eal_cleanup(void)
vfio_mp_sync_cleanup();
#endif
rte_eal_alarm_cleanup();
+ eal_mp_dev_hotplug_cleanup();
rte_mp_channel_cleanup();
rte_trace_save();
eal_trace_fini();
--
2.20.1