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[v9,19/19] doc: update release notes for multi process hotplug

Message ID 20180706141826.204044-20-qi.z.zhang@intel.com (mailing list archive)
State Superseded, archived
Delegated to: Thomas Monjalon
Headers show
Series enable hotplug on multi-process | expand


Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation fail Compilation issues

Commit Message

Zhang, Qi Z July 6, 2018, 2:18 p.m. UTC
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(+)
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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