[dpdk-dev] [PATCH v2] net/ixgbe: fix device hotplug remove

[Ye Xiaolong]

On 11/11, Di, ChenxuX wrote:
>Hi,
>
>> -----Original Message-----
>> From: Ye, Xiaolong
>> Sent: Monday, November 11, 2019 4:42 PM
>> To: Di, ChenxuX <chenxux.di at intel.com>
>> Cc: dev at dpdk.org; Yang, Qiming <qiming.yang at intel.com>
>> Subject: Re: [dpdk-dev] [PATCH v2] net/ixgbe: fix device hotplug remove
>> 
>> On 11/07, Di ChenxuX wrote:
>> >testpmd will occur infinite loops when device hotplug remove.
>> >We can fix the issue by using the pci generic remove function
>> >
>> >Fixes: f2f4990eff94 ("net/ixgbe: release port upon close")
>> >
>> >Signed-off-by: Di ChenxuX <chenxux.di at intel.com>
>> >
>> >v2:
>> >reverted the code about ixgbe_vf_representor_uninit.
>> >---
>> > drivers/net/ixgbe/ixgbe_ethdev.c | 5 +++--
>> > 1 file changed, 3 insertions(+), 2 deletions(-)
>> >
>> >diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c
>> b/drivers/net/ixgbe/ixgbe_ethdev.c
>> >index dbce7a80e..7ec55a4de 100644
>> >--- a/drivers/net/ixgbe/ixgbe_ethdev.c
>> >+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
>> >@@ -1800,12 +1800,13 @@ static int eth_ixgbe_pci_remove(struct
>> rte_pci_device *pci_dev)
>> >
>> > 	ethdev = rte_eth_dev_allocated(pci_dev->device.name);
>> > 	if (!ethdev)
>> >-		return -ENODEV;
>> >+		return 0;
>> >
>> > 	if (ethdev->data->dev_flags & RTE_ETH_DEV_REPRESENTOR)
>> > 		return rte_eth_dev_destroy(ethdev,
>> ixgbe_vf_representor_uninit);
>> 
>> Can we use rte_eth_dev_pci_generic_remove for vf representor as well?
>> 
>
>I think it can be used. Should I do it and send a new patch?

Yes, please send a new patch after verification, and don't forget to remove
rte_eth_dev_allocated check int eth_ixgbe_pci_remove, since it has been contained
in rte_eth_dev_pci_generic_remove.

Same for i40e patch.

Thanks,
Xiaolong

>
>Thx
>Di Chenxu
>
>> Thanks,
>> Xiaolong
>> > 	else
>> >-		return rte_eth_dev_destroy(ethdev, eth_ixgbe_dev_uninit);
>> >+		return rte_eth_dev_pci_generic_remove(pci_dev,
>> >+						eth_ixgbe_dev_uninit);
>> > }
>> >
>> > static struct rte_pci_driver rte_ixgbe_pmd = {
>> >--
>> >2.17.1
>> >