[dpdk-dev] [PATCH] add one option memory-only for those secondary PRBs
Thomas Monjalon
thomas.monjalon at 6wind.com
Tue Dec 2 11:01:03 CET 2014
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
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