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From: Qi Zhang <qi.z.zhang@intel.com>
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Date: Wed, 11 Jul 2018 11:09:17 +0800
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Subject: [dpdk-dev] [PATCH v11 19/19] doc: update release notes for multi
process hotplug
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Update release notes for the new multi-process hotplug feature.
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
---
doc/guides/rel_notes/release_18_08.rst | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/doc/guides/rel_notes/release_18_08.rst b/doc/guides/rel_notes/release_18_08.rst
index bc0124295..1251e4b5b 100644
--- a/doc/guides/rel_notes/release_18_08.rst
+++ b/doc/guides/rel_notes/release_18_08.rst
@@ -46,6 +46,12 @@ New Features
Flow API support has been added to CXGBE Poll Mode Driver to offload
flows to Chelsio T5/T6 NICs.
+* **Support device multi-process hotplug.**
+
+ Hotplug and hot-unplug for devices will now be supported in multiprocessing
+ scenario. Any ethdev devices created in the primary process will be regarded
+ as shared and will be available for all DPDK processes. Synchronization between
+ processes will be done using DPDK IPC.
API Changes
-----------
@@ -60,6 +66,11 @@ API Changes
Also, make sure to start the actual text at the margin.
=========================================================
+* eal: scope of rte_eal_hotplug_add and rte_eal_hotplug_remove is extended.
+
+ In primary-secondary process model, ``rte_eal_hotplug_add`` will guarantee
+ that device be attached on all processes, while ``rte_eal_hotplug_remove``
+ will guarantee device be detached on all processes.
ABI Changes
-----------
--
2.13.6