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doc: announce behavior change for device NUMA node field
deprecation_20220713
author
Olivier Matz
<olivier.matz@6wind.com>
Wed, 13 Jul 2022 14:34:57 +0000
(16:34 +0200)
committer
Olivier Matz
<olivier.matz@6wind.com>
Wed, 13 Jul 2022 14:39:55 +0000
(16:39 +0200)
The dev->device.numa_node field is set by the bus driver for each device
it manages to indicate on which NUMA node this device lies.
When this information is unknown, the assigned value is not consistent
accross the bus drivers. In v22.11, the value will be set to -1 in
this case.
Link:
https://patches.dpdk.org/project/dpdk/patch/20211026090610.10823-1-houssem.bouhlel@6wind.com/
Signed-off-by: Olivier Matz <olivier.matz@6wind.com>
doc/guides/rel_notes/deprecation.rst
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diff --git
a/doc/guides/rel_notes/deprecation.rst
b/doc/guides/rel_notes/deprecation.rst
index
4e5b23c
..
7855d8d
100644
(file)
--- a/
doc/guides/rel_notes/deprecation.rst
+++ b/
doc/guides/rel_notes/deprecation.rst
@@
-125,3
+125,9
@@
Deprecation Notices
applications should be updated to use the ``dmadev`` library instead,
with the underlying HW-functionality being provided by the ``ioat`` or
``idxd`` dma drivers
+
+* bus: The ``dev->device.numa_node`` field is set by the bus driver for
+ each device it manages to indicate on which NUMA node this device
+ lies. When this information is unknown, the assigned value is not
+ consistent accross the bus drivers. In v22.11, the value will be set
+ to -1 in this case.