[dpdk-dev] [PATCH v3] doc: add a restriction to multi-process support
Junjie Chen
junjie.j.chen at intel.com
Wed Nov 29 18:17:13 CET 2017
This patch add a restriction to multi-process support: secondary
processes should only run alongside primary process with same DPDK
version, so that secondary processes can use the same hugepage mmap
layout as primary process.
Signed-off-by: Junjie Chen <junjie.j.chen at intel.com>
---
v3 changes:
Use 'note' marker to make it clearer.
doc/guides/prog_guide/multi_proc_support.rst | 4 ++++
doc/guides/tools/proc_info.rst | 4 ++++
2 files changed, 8 insertions(+)
diff --git a/doc/guides/prog_guide/multi_proc_support.rst b/doc/guides/prog_guide/multi_proc_support.rst
index 9a9dca7fe..4ca3f2c22 100644
--- a/doc/guides/prog_guide/multi_proc_support.rst
+++ b/doc/guides/prog_guide/multi_proc_support.rst
@@ -52,6 +52,10 @@ Standalone DPDK processes are primary processes,
while secondary processes can only run alongside a primary process or
after a primary process has already configured the hugepage shared memory for them.
+.. note::
+
+ Secondary processes should run alongside primary process with same DPDK version.
+
To support these two process types, and other multi-process setups described later,
two additional command-line parameters are available to the EAL:
diff --git a/doc/guides/tools/proc_info.rst b/doc/guides/tools/proc_info.rst
index fd17e278c..1b81a7891 100644
--- a/doc/guides/tools/proc_info.rst
+++ b/doc/guides/tools/proc_info.rst
@@ -38,6 +38,10 @@ statistics, resetting port statistics and printing DPDK memory information.
This application extends the original functionality that was supported by
dump_cfg.
+.. note::
+
+ dpdk-procinfo should run alongside primary process with same DPDK version.
+
Running the Application
-----------------------
The application has a number of command line options:
--
2.15.0
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