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* [dpdk-dev] [PATCH] doc: add a restriction to multi-process support
@ 2017-11-28  9:56 junjie.j.chen
  2017-11-28 11:22 ` Bruce Richardson
  0 siblings, 1 reply; 3+ messages in thread
From: junjie.j.chen @ 2017-11-28  9:56 UTC (permalink / raw)
  To: sergio.gonzalez.monroy, john.mcnamara, maryam.tahhan, reshma.pattan, dev
  Cc: Junjie Chen

From: Junjie Chen <junjie.j.chen@intel.com>

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@intel.com>
---
 doc/guides/prog_guide/multi_proc_support.rst | 1 +
 doc/guides/tools/proc_info.rst               | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/doc/guides/prog_guide/multi_proc_support.rst b/doc/guides/prog_guide/multi_proc_support.rst
index 9a9dca7fe..0cd67ae2d 100644
--- a/doc/guides/prog_guide/multi_proc_support.rst
+++ b/doc/guides/prog_guide/multi_proc_support.rst
@@ -51,6 +51,7 @@ For now, there are two types of process specified:
 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.
+And secondary processes should only 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..512fd3263 100644
--- a/doc/guides/tools/proc_info.rst
+++ b/doc/guides/tools/proc_info.rst
@@ -36,7 +36,8 @@ The dpdk-procinfo application is a Data Plane Development Kit (DPDK) application
 that runs as a DPDK secondary process and is capable of retrieving port
 statistics, resetting port statistics and printing DPDK memory information.
 This application extends the original functionality that was supported by
-dump_cfg.
+dump_cfg. Note that dpdk-procinfo can only run alongside primary process with 
+same DPDK version.
 
 Running the Application
 -----------------------
-- 
2.15.0

^ permalink raw reply	[flat|nested] 3+ messages in thread

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2017-11-28  9:56 [dpdk-dev] [PATCH] doc: add a restriction to multi-process support junjie.j.chen
2017-11-28 11:22 ` Bruce Richardson
2017-11-29  9:38   ` Chen, Junjie J

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