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From: Thomas Monjalon <thomas@monjalon.net>
To: Andrew Rybchenko <arybchenko@solarflare.com>
Cc: ferruh.yigit@intel.com, dev@dpdk.org, ophirmu@mellanox.com
Subject: Re: [dpdk-dev] [PATCH v3 2/4] ethdev: free all common data when releasing port
Date: Wed, 17 Oct 2018 10:22:34 +0200	[thread overview]
Message-ID: <17711677.o5lTiYJ96P@xps> (raw)
In-Reply-To: <7fcb80d5-7abd-3034-f271-bb87fea72de4@solarflare.com>

17/10/2018 09:13, Andrew Rybchenko:
> On 10/17/18 4:54 AM, Thomas Monjalon wrote:
> > This is a clean-up of common ethdev data freeing.
> > All data freeing are moved to rte_eth_dev_release_port()
> > and done only in case of primary process.
> >
> > It is probably fixing some memory leaks for PMDs which were
> > not freeing all data.
> >
> > Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
> 
> [...]
> 
> > diff --git a/lib/librte_ethdev/rte_ethdev_driver.h b/lib/librte_ethdev/rte_ethdev_driver.h
> > index ca31b5777..a1398a80c 100644
> > --- a/lib/librte_ethdev/rte_ethdev_driver.h
> > +++ b/lib/librte_ethdev/rte_ethdev_driver.h
> > @@ -58,7 +58,16 @@ struct rte_eth_dev *rte_eth_dev_attach_secondary(const char *name);
> >   
> >   /**
> >    * @internal
> > - * Release the specified ethdev port.
> > + * Notify RTE_ETH_EVENT_DESTROY and release the specified ethdev port.
> > + *
> > + * The following data fields will be freed:
> > + *   - rx_queues
> > + *   - tx_queues
> 
> I think rx_queues and tx_queues from should not be mentioned here.
> They are managed by ethdev and there is no options here.
> 
> > + *   - mac_addrs
> > + *   - hash_mac_addrs
> > + *   - dev_private
> > + * If one of these fields should not be freed,
> > + * it must be reset to NULL by the caller.
> 
> I'm afraid nobody will find it here. Let's add
> @see rte_eth_dev_release_port()
> to these members description in rte_ethdev_core.h
> struct rte_eth_dev_data.
> 
> Also I think "by the caller" is misleading here.
> Let's highlight that it is PMD responsibility, i.e.
> "by the PMD" may be with
> "typically in dev_close method implementation".

OK, thanks for the feedback.

  reply	other threads:[~2018-10-17  8:22 UTC|newest]

Thread overview: 78+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-07 23:39 [dpdk-dev] [RFC] ethdev: complete closing to free all resources Thomas Monjalon
2018-09-10  8:03 ` Andrew Rybchenko
2018-09-10  8:42   ` Thomas Monjalon
2018-09-10  8:54     ` Andrew Rybchenko
2018-09-12 14:57       ` Thomas Monjalon
2018-09-12 15:44         ` Andrew Rybchenko
2018-09-28 12:46 ` Ferruh Yigit
2018-10-09 22:00   ` Thomas Monjalon
2018-10-09 22:17 ` [dpdk-dev] [PATCH v2] ethdev: complete closing of port Thomas Monjalon
2018-10-10  6:15   ` Andrew Rybchenko
2018-10-10  7:44     ` Thomas Monjalon
2018-10-10  7:50       ` Andrew Rybchenko
2018-10-10  8:39         ` Thomas Monjalon
2018-10-10 15:01           ` Andrew Rybchenko
2018-10-10 16:43             ` Thomas Monjalon
2018-10-10 18:01               ` Andrew Rybchenko
2018-10-10 19:03                 ` Thomas Monjalon
2018-10-14 23:20 ` [dpdk-dev] [PATCH v3 0/2] ethdev port freeing Thomas Monjalon
2018-10-14 23:20   ` [dpdk-dev] [PATCH v3 1/2] ethdev: free all common data when releasing port Thomas Monjalon
2018-10-16 11:16     ` Andrew Rybchenko
2018-10-16 12:22       ` Thomas Monjalon
2018-10-16 12:47         ` Andrew Rybchenko
2018-10-16 12:52           ` Thomas Monjalon
2018-10-16 12:55             ` Andrew Rybchenko
2018-10-14 23:20   ` [dpdk-dev] [PATCH v3 2/2] ethdev: complete closing of port Thomas Monjalon
2018-10-16 11:24     ` Andrew Rybchenko
2018-10-16 12:25       ` Thomas Monjalon
2018-10-17  1:54 ` [dpdk-dev] [PATCH v3 0/4] ethdev port freeing Thomas Monjalon
2018-10-17  1:54   ` [dpdk-dev] [PATCH v3 1/4] app/testpmd: allow detaching a port not closed Thomas Monjalon
2018-10-17  2:06     ` Thomas Monjalon
2018-10-17  6:26     ` Andrew Rybchenko
2018-10-17  8:20       ` Thomas Monjalon
2018-10-17 10:30         ` Iremonger, Bernard
2018-10-17 11:33           ` Thomas Monjalon
2018-10-17  1:54   ` [dpdk-dev] [PATCH v3 2/4] ethdev: free all common data when releasing port Thomas Monjalon
2018-10-17  7:13     ` Andrew Rybchenko
2018-10-17  8:22       ` Thomas Monjalon [this message]
2018-10-17  1:54   ` [dpdk-dev] [PATCH v3 3/4] ethdev: remove release function for secondary process Thomas Monjalon
2018-10-17  7:25     ` Andrew Rybchenko
2018-10-17  9:27       ` Thomas Monjalon
2018-10-17  1:54   ` [dpdk-dev] [PATCH v3 4/4] ethdev: complete closing of port Thomas Monjalon
2018-10-17  2:12     ` Thomas Monjalon
2018-10-17 10:24   ` [dpdk-dev] [PATCH v3 0/4] ethdev port freeing Shreyansh Jain
2018-10-17 11:31     ` Thomas Monjalon
2018-10-18  1:23 ` [dpdk-dev] [PATCH v5 0/6] " Thomas Monjalon
2018-10-18  1:23   ` [dpdk-dev] [PATCH v5 1/6] app/testpmd: fix ports list after removing several at once Thomas Monjalon
2018-10-18 10:40     ` Iremonger, Bernard
2018-10-18 11:29       ` Thomas Monjalon
2018-10-18 11:41         ` Iremonger, Bernard
2018-10-18 14:21           ` Thomas Monjalon
2018-10-18 16:42             ` Iremonger, Bernard
2018-10-18 17:06               ` Thomas Monjalon
2018-10-18 11:49         ` Wisam Monther
2018-10-18 13:22           ` Iremonger, Bernard
2018-10-18  1:23   ` [dpdk-dev] [PATCH v5 2/6] app/testpmd: allow detaching a port not closed Thomas Monjalon
2018-10-18  7:45     ` Andrew Rybchenko
2018-10-18 10:51       ` Iremonger, Bernard
2018-10-18 11:24         ` Thomas Monjalon
2018-10-18  1:23   ` [dpdk-dev] [PATCH v5 3/6] ethdev: fix doxygen comments of shared data fields Thomas Monjalon
2018-10-18  7:11     ` Andrew Rybchenko
2018-10-18  1:24   ` [dpdk-dev] [PATCH v5 4/6] ethdev: free all common data when releasing port Thomas Monjalon
2018-10-18  7:13     ` Andrew Rybchenko
2018-10-18  1:24   ` [dpdk-dev] [PATCH v5 5/6] ethdev: remove release function for secondary process Thomas Monjalon
2018-10-18  7:15     ` Andrew Rybchenko
2018-10-18  1:24   ` [dpdk-dev] [PATCH v5 6/6] ethdev: complete closing of port Thomas Monjalon
2018-10-18  8:33     ` Andrew Rybchenko
2018-10-18  9:32       ` Thomas Monjalon
2018-10-19  2:07 ` [dpdk-dev] [PATCH v6 0/6] ethdev port freeing Thomas Monjalon
2018-10-19  2:07   ` [dpdk-dev] [PATCH v6 1/6] app/testpmd: update port list for multiple removals Thomas Monjalon
2018-10-19 14:32     ` Iremonger, Bernard
2018-10-19  2:07   ` [dpdk-dev] [PATCH v6 2/6] app/testpmd: allow detaching a port not closed Thomas Monjalon
2018-10-19 14:32     ` Iremonger, Bernard
2018-10-19  2:07   ` [dpdk-dev] [PATCH v6 3/6] ethdev: fix doxygen comments of shared data fields Thomas Monjalon
2018-10-19  2:07   ` [dpdk-dev] [PATCH v6 4/6] ethdev: free all common data when releasing port Thomas Monjalon
2018-10-19  2:07   ` [dpdk-dev] [PATCH v6 5/6] ethdev: remove release function for secondary process Thomas Monjalon
2018-10-19  2:07   ` [dpdk-dev] [PATCH v6 6/6] ethdev: complete closing of port Thomas Monjalon
2018-10-19 10:13     ` Andrew Rybchenko
2018-10-22 15:43   ` [dpdk-dev] [PATCH v6 0/6] ethdev port freeing Ferruh Yigit

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