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Date: Wed, 1 Jun 2016 15:58:21 +0800
From: Yuanhan Liu <yuanhan.liu@linux.intel.com>
To: "Tan, Jianfeng" <jianfeng.tan@intel.com>
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Subject: Re: [dpdk-dev] [PATCH v5 2/8] virtio: clean up
	virtio_dev_queue_setup
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On Wed, Jun 01, 2016 at 07:44:33AM +0000, Tan, Jianfeng wrote:
> Hi Yuanhan,
> 
> > -----Original Message-----
> > From: Yuanhan Liu [mailto:yuanhan.liu@linux.intel.com]
> > Sent: Wednesday, June 1, 2016 3:38 PM
> > To: Tan, Jianfeng
> > Cc: dev@dpdk.org; Xie, Huawei; rich.lane@bigswitch.com; mst@redhat.com;
> > nakajima.yoshihiro@lab.ntt.co.jp; p.fedin@samsung.com;
> > ann.zhuangyanying@huawei.com; mukawa@igel.co.jp;
> > nhorman@tuxdriver.com
> > Subject: Re: [PATCH v5 2/8] virtio: clean up virtio_dev_queue_setup
> > 
> > On Mon, May 30, 2016 at 10:55:33AM +0000, Jianfeng Tan wrote:
> > > Abstract vring hdr desc init as an inline method.
> > 
> > What's this patch for then? In your last version, it will be invoked
> > twice, but it turned out to be wrong. So, why keeping this change?
> > I didn't see it improves anything.
> > 
> 
> Yes, for now, only one version is kept because the position to call this function is changed. And I think this segment of code functions as a special purpose, which can be abstracted as a function, make sense?

Yeah, maybe. But idealy, we should move it to tx_queue_setup() function.
Let's see what we might do after applying Huawei's rx/tx split patch: it
needs a while (I saw bugs).

	--yliu