From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Hemminger <stephen@networkplumber.org>
Subject: Re: [PATCH v2 6/7] virtio: simple tx routine
Date: Sun, 18 Oct 2015 21:18:00 -0700
Message-ID: <20151018211800.30f4900c@xeon-e3>
References: <1443537953-23917-1-git-send-email-huawei.xie@intel.com>
 <1445149744-3217-1-git-send-email-huawei.xie@intel.com>
 <1445149744-3217-7-git-send-email-huawei.xie@intel.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
Cc: dev@dpdk.org
To: Huawei Xie <huawei.xie@intel.com>
Return-path: <dev-bounces@dpdk.org>
Received: from mail-pa0-f43.google.com (mail-pa0-f43.google.com
 [209.85.220.43]) by dpdk.org (Postfix) with ESMTP id 314DD8DA8
 for <dev@dpdk.org>; Mon, 19 Oct 2015 06:17:50 +0200 (CEST)
Received: by pabrc13 with SMTP id rc13so178002069pab.0
 for <dev@dpdk.org>; Sun, 18 Oct 2015 21:17:49 -0700 (PDT)
In-Reply-To: <1445149744-3217-7-git-send-email-huawei.xie@intel.com>
List-Id: patches and discussions about DPDK <dev.dpdk.org>
List-Unsubscribe: <http://dpdk.org/ml/options/dev>,
 <mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://dpdk.org/ml/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <http://dpdk.org/ml/listinfo/dev>,
 <mailto:dev-request@dpdk.org?subject=subscribe>
Errors-To: dev-bounces@dpdk.org
Sender: "dev" <dev-bounces@dpdk.org>

On Sun, 18 Oct 2015 14:29:03 +0800
Huawei Xie <huawei.xie@intel.com> wrote:

> +
> +	for (i = 1; i < VIRTIO_TX_FREE_NR; i++) {
> +		m = (struct rte_mbuf *)vq->vq_descx[desc_idx++].cookie;
> +		if (likely(m->pool == free[0]->pool))
> +			free[nb_free++] = m;
> +		else {
> +			rte_mempool_put_bulk(free[0]->pool, (void **)free,
> +				nb_free);
> +			free[0] = m;
> +			nb_free = 1;
> +		}
> +	}

This assumes all transmits are from the same pool, which is not necessarily true.