From: "Fu, Patrick" <patrick.fu@intel.com>
To: "Liu, Yong" <yong.liu@intel.com>, "dev@dpdk.org" <dev@dpdk.org>,
"maxime.coquelin@redhat.com" <maxime.coquelin@redhat.com>,
"Xia, Chenbo" <chenbo.xia@intel.com>,
"Wang, Zhihong" <zhihong.wang@intel.com>
Cc: "Wang, Yinan" <yinan.wang@intel.com>,
"Jiang, Cheng1" <cheng1.jiang@intel.com>,
"Liang, Cunming" <cunming.liang@intel.com>
Subject: Re: [dpdk-dev] [PATCH v4 1/2] vhost: introduce async enqueue registration API
Date: Mon, 6 Jul 2020 09:08:15 +0000 [thread overview]
Message-ID: <BYAPR11MB3735A0E2A2AFE5DC76CC6E5084690@BYAPR11MB3735.namprd11.prod.outlook.com> (raw)
In-Reply-To: <86228AFD5BCD8E4EBFD2B90117B5E81E63616C54@SHSMSX103.ccr.corp.intel.com>
Hi,
> -----Original Message-----
> From: Liu, Yong <yong.liu@intel.com>
> Sent: Monday, July 6, 2020 11:06 AM
> To: Fu, Patrick <patrick.fu@intel.com>; dev@dpdk.org;
> maxime.coquelin@redhat.com; Xia, Chenbo <chenbo.xia@intel.com>; Wang,
> Zhihong <zhihong.wang@intel.com>
> Cc: Fu, Patrick <patrick.fu@intel.com>; Wang, Yinan
> <yinan.wang@intel.com>; Jiang, Cheng1 <cheng1.jiang@intel.com>; Liang,
> Cunming <cunming.liang@intel.com>
> Subject: RE: [dpdk-dev] [PATCH v4 1/2] vhost: introduce async enqueue
> registration API
>
> Hi Patrick,
> Few comments are inline, others are fine to me.
>
> Regards,
> Marvin
>
> > diff --git a/lib/librte_vhost/vhost.c b/lib/librte_vhost/vhost.c index
> > 0d822d6..58ee3ef 100644
> > --- a/lib/librte_vhost/vhost.c
> > +++ b/lib/librte_vhost/vhost.c
> > @@ -332,8 +332,13 @@
> > {
> > if (vq_is_packed(dev))
> > rte_free(vq->shadow_used_packed);
> > - else
> > + else {
> > rte_free(vq->shadow_used_split);
> > + if (vq->async_pkts_pending)
> > + rte_free(vq->async_pkts_pending);
> > + if (vq->async_pending_info)
> > + rte_free(vq->async_pending_info);
>
> Missed pointer set and feature set to 0.
>
This memory free statement is part of vq free operation, which should be safe to leave the vq member pointer just as is
> > + if (vq->async_pkts_pending) {
> > + rte_free(vq->async_pkts_pending);
> > + vq->async_pkts_pending = 0;
> > + }
> > +
> > + if (vq->async_pending_info) {
> > + rte_free(vq->async_pending_info);
> > + vq->async_pending_info = 0;
> > + }
> > +
>
> Please unify the async pending pointer check and free logic and pointer
> should be set to NULL.
>
Will change it in the next patch version
Thanks,
Patrick
next prev parent reply other threads:[~2020-07-06 9:08 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-11 10:02 [dpdk-dev] [PATCH v1 0/2] introduce asynchronous data path for vhost patrick.fu
2020-06-11 10:02 ` [dpdk-dev] [PATCH v1 1/2] vhost: introduce async data path registration API patrick.fu
2020-06-18 5:50 ` Liu, Yong
2020-06-18 9:08 ` Fu, Patrick
2020-06-19 0:40 ` Liu, Yong
2020-06-25 13:42 ` Maxime Coquelin
2020-06-26 14:28 ` Maxime Coquelin
2020-06-29 1:15 ` Fu, Patrick
2020-06-26 14:44 ` Maxime Coquelin
2020-06-11 10:02 ` [dpdk-dev] [PATCH v1 2/2] vhost: introduce async enqueue for split ring patrick.fu
2020-06-18 6:56 ` Liu, Yong
2020-06-18 11:36 ` Fu, Patrick
2020-06-26 14:39 ` Maxime Coquelin
2020-06-26 14:46 ` Maxime Coquelin
2020-06-29 1:25 ` Fu, Patrick
2020-06-26 14:42 ` [dpdk-dev] [PATCH v1 0/2] introduce asynchronous data path for vhost Maxime Coquelin
2020-07-03 10:27 ` [dpdk-dev] [PATCH v3 " patrick.fu
2020-07-03 10:27 ` [dpdk-dev] [PATCH v3 1/2] vhost: introduce async enqueue registration API patrick.fu
2020-07-03 10:27 ` [dpdk-dev] [PATCH v3 2/2] vhost: introduce async enqueue for split ring patrick.fu
2020-07-03 12:21 ` [dpdk-dev] [PATCH v4 0/2] introduce asynchronous data path for vhost patrick.fu
2020-07-03 12:21 ` [dpdk-dev] [PATCH v4 1/2] vhost: introduce async enqueue registration API patrick.fu
2020-07-06 3:05 ` Liu, Yong
2020-07-06 9:08 ` Fu, Patrick [this message]
2020-07-03 12:21 ` [dpdk-dev] [PATCH v4 2/2] vhost: introduce async enqueue for split ring patrick.fu
2020-07-06 11:53 ` [dpdk-dev] [PATCH v5 0/2] introduce asynchronous data path for vhost patrick.fu
2020-07-06 11:53 ` [dpdk-dev] [PATCH v5 1/2] vhost: introduce async enqueue registration API patrick.fu
2020-07-06 11:53 ` [dpdk-dev] [PATCH v5 2/2] vhost: introduce async enqueue for split ring patrick.fu
2020-07-07 5:07 ` [dpdk-dev] [PATCH v6 0/2] introduce asynchronous data path for vhost patrick.fu
2020-07-07 5:07 ` [dpdk-dev] [PATCH v6 1/2] vhost: introduce async enqueue registration API patrick.fu
2020-07-07 8:22 ` Xia, Chenbo
2020-07-07 5:07 ` [dpdk-dev] [PATCH v6 2/2] vhost: introduce async enqueue for split ring patrick.fu
2020-07-07 8:22 ` Xia, Chenbo
2020-07-07 16:45 ` [dpdk-dev] [PATCH v6 0/2] introduce asynchronous data path for vhost Ferruh Yigit
2020-07-20 13:26 ` Maxime Coquelin
2020-07-21 2:28 ` Fu, Patrick
2020-07-21 8:28 ` Maxime Coquelin
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