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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: c5dd46a5-417e-4baf-63dd-08d719c72c2a X-MS-Exchange-CrossTenant-originalarrivaltime: 05 Aug 2019 17:05:52.3937 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 70e1fb47-1155-421d-87fc-2e58f638b6e0 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: jerinj@marvell.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR18MB2902 X-OriginatorOrg: marvell.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:5.22.84,1.0.8 definitions=2019-08-05_08:2019-07-31,2019-08-05 signatures=0 Subject: Re: [dpdk-stable] [PATCH] net/thunderx: fix nicvf cleanup on detaching PCI dev X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org Sender: "stable" > -----Original Message----- > From: agupta3@marvell.com > Sent: Monday, August 5, 2019 1:31 PM > To: Jerin Jacob Kollanukkaran ; Maciej Czekaj > ; Anatoly Burakov > Cc: dev@dpdk.org; stable@dpdk.org; Amit Gupta > Subject: [PATCH] net/thunderx: fix nicvf cleanup on detaching PCI dev >=20 > From: Amit Gupta >=20 > There was a bug while doing PCI detach because of that app gets seg fault= as > eth_dev is released without stopping/cleaning up mapped nicvf. >=20 > Fixed this bug by adding nicvf cleanup stupport on PCI detach. >=20 > Fixes: fdf91e0f2fac ("drivers/net: do not use ethdev driver") > Signed-off-by: Amit Gupta Cc: stable@dpdk.org Acked-by: Jerin Jacob Fixed check-git-log.sh issues and applied to dpdk-next-net-mrvl/master. Tha= nks > --- > drivers/net/thunderx/nicvf_ethdev.c | 12 +++++++++++- > 1 file changed, 11 insertions(+), 1 deletion(-) >=20 > diff --git a/drivers/net/thunderx/nicvf_ethdev.c > b/drivers/net/thunderx/nicvf_ethdev.c > index ec57692..56769ef 100644 > --- a/drivers/net/thunderx/nicvf_ethdev.c > +++ b/drivers/net/thunderx/nicvf_ethdev.c > @@ -2083,6 +2083,16 @@ static void nicvf_vf_stop(struct rte_eth_dev *dev, > struct nicvf *nic, > return ret; > } > static int > +nicvf_eth_dev_uninit(struct rte_eth_dev *dev) { > + PMD_INIT_FUNC_TRACE(); > + > + if (rte_eal_process_type() =3D=3D RTE_PROC_PRIMARY) > + nicvf_dev_close(dev); > + > + return 0; > +} > +static int > nicvf_eth_dev_init(struct rte_eth_dev *eth_dev) { > int ret; > @@ -2256,7 +2266,7 @@ static int nicvf_eth_pci_probe(struct rte_pci_drive= r > *pci_drv __rte_unused, >=20 > static int nicvf_eth_pci_remove(struct rte_pci_device *pci_dev) { > - return rte_eth_dev_pci_generic_remove(pci_dev, NULL); > + return rte_eth_dev_pci_generic_remove(pci_dev, > nicvf_eth_dev_uninit); > } >=20 > static struct rte_pci_driver rte_nicvf_pmd =3D { > -- > 1.8.3.1