> -----Original Message----- > From: Richardson, Bruce > Sent: Tuesday, November 28, 2017 7:22 PM > To: Chen, Junjie J <junjie.j.c...@intel.com> > Cc: Gonzalez Monroy, Sergio <sergio.gonzalez.mon...@intel.com>; Mcnamara, > John <john.mcnam...@intel.com>; Tahhan, Maryam > <maryam.tah...@intel.com>; Pattan, Reshma <reshma.pat...@intel.com>; > dev@dpdk.org > Subject: Re: [dpdk-dev] [PATCH] doc: add a restriction to multi-process > support > > On Tue, Nov 28, 2017 at 04:56:54AM -0500, junjie.j.c...@intel.com wrote: > > From: Junjie Chen <junjie.j.c...@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.c...@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 > > ----------------------- > > -- > Good to add to the docs. I suggest that you add them using the proper "note" > markup to make it clearer in the docs.
> /Bruce Thanks, done. Junjie
