From: Remy Horton <remy.horton@intel.com>
To: Thomas Monjalon <thomas.monjalon@6wind.com>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH v1] ethdev: fix multi-process NULL dereference crashes
Date: Tue, 24 Jan 2017 08:16:29 +0000 [thread overview]
Message-ID: <9128e0fe-23b5-4a9f-31c5-29ee22358909@intel.com> (raw)
In-Reply-To: <1923485.xZPm2OXYXH@xps13>
On 20/01/2017 18:37, Thomas Monjalon wrote:
[..]
> 3 comments here:
> - it is in the wrong section (EAL instead of Drivers)
> - secondary processes can setup a vdev PMD
> - before Yuanhan's patch, even PCI PMD were blanking primary process data
Since the code being changed is in rte_ether rather than drivers/net it
seemed the logical place to me.. :)
> I propose this rebase:
>
> - memset(&rte_eth_dev_data[port_id], 0, sizeof(struct rte_eth_dev_data));
> eth_dev = eth_dev_get(port_id);
> + if (rte_eal_process_type() == RTE_PROC_PRIMARY)
> + memset(eth_dev->data, 0, sizeof(*eth_dev->data));
> snprintf(eth_dev->data->name, sizeof(eth_dev->data->name), "%s", name);
> eth_dev->data->port_id = port_id;
> eth_dev->data->mtu = ETHER_MTU;
Seems OK to me, assuming Yuanhan's patch is going in as-is.
..Remy
next prev parent reply other threads:[~2017-01-24 8:16 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-10 18:42 Remy Horton
2017-01-11 14:22 ` Thomas Monjalon
2017-01-11 15:01 ` Remy Horton
2017-01-20 18:37 ` Thomas Monjalon
2017-01-24 8:16 ` Remy Horton [this message]
2017-01-24 10:49 ` Thomas Monjalon
2017-01-24 11:03 ` Remy Horton
2017-01-24 15:01 ` [dpdk-dev] [PATCH v2] " Remy Horton
2017-01-25 11:56 ` Thomas Monjalon
2017-01-25 12:13 ` Remy Horton
2017-01-25 14:02 ` Remy Horton
2017-01-25 14:31 ` Thomas Monjalon
2017-01-25 14:38 ` Remy Horton
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