From: Thomas Monjalon <thomas.monjalon-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
To: "Chi,
Xiaobo (NSN - CN/Hangzhou)"
<xiaobo.chi-OYasijW0DpE@public.gmane.org>
Cc: dev-VfR2kkLFssw@public.gmane.org
Subject: Re: [PATCH] add one option memory-only for those secondary PRBs
Date: Tue, 02 Dec 2014 11:01:03 +0100 [thread overview]
Message-ID: <2039360.IUUcaknktz@xps13> (raw)
In-Reply-To: <EF703E8970265941A1316EEFE0AA7B6C40A63042-vxsKAgvzMM8+o/1KEruIITjhXmbd+16H@public.gmane.org>
Hi,
2014-12-02 09:55, Chi, Xiaobo:
> Problem:
> Here, these DPDK based SECONDARY processes need only the DPDK's hugepage
> based sharememory mechanism and it's upper libs (such as ring, mempool,
> etc.), they need not cpu core pinning, iopl privilege changing , pci device,
> timer, alarm, interrupt, shared_driver_list, core_info, threads for each
> core, etc. Then, for such kind of SECONDARY processes, the current
> rte_eal_init() is too heavy.
> I have seen some others also met similar troubles.
>
> Solution:
> One new EAL initializing argument, --memory-only, is added. It is only for
> those SECONDARY processes which only want to share memory with primary
> process. When this argument is defined, users need not define those
> madentory arguments, such as "-c xx -n xx", due to we don't want to pin such
> kind of processes to any CPUs.
That's exactly the type of things that you should put in the commit log.
It misses also a Signed-off-by.
All guidelines are explained in this page:
http://dpdk.org/dev#send
Please check your patch with checkpatch for indentation and other details.
--
Thomas
next prev parent reply other threads:[~2014-12-02 10:01 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-02 9:41 [PATCH] add one option memory-only for those secondary PRBs chixiaobo
[not found] ` <1417513268-6040-1-git-send-email-xiaobo.chi-OYasijW0DpE@public.gmane.org>
2014-12-02 9:55 ` Chi, Xiaobo (NSN - CN/Hangzhou)
[not found] ` <EF703E8970265941A1316EEFE0AA7B6C40A63042-vxsKAgvzMM8+o/1KEruIITjhXmbd+16H@public.gmane.org>
2014-12-02 10:01 ` Thomas Monjalon [this message]
2014-12-02 10:20 ` Bruce Richardson
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