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Wed, 29 Mar 2023 16:54:02 +0000 Received: from SA1PR21MB1335.namprd21.prod.outlook.com ([fe80::2e52:d6aa:9a99:500a]) by SA1PR21MB1335.namprd21.prod.outlook.com ([fe80::2e52:d6aa:9a99:500a%5]) with mapi id 15.20.6277.010; Wed, 29 Mar 2023 16:54:02 +0000 From: Dexuan Cui To: "Michael Kelley (LINUX)" , "bhelgaas@google.com" , "davem@davemloft.net" , "edumazet@google.com" , Haiyang Zhang , Jake Oshins , "kuba@kernel.org" , "kw@linux.com" , KY Srinivasan , "leon@kernel.org" , "linux-pci@vger.kernel.org" , "lpieralisi@kernel.org" , "pabeni@redhat.com" , "robh@kernel.org" , "saeedm@nvidia.com" , "wei.liu@kernel.org" , Long Li , "boqun.feng@gmail.com" CC: "linux-hyperv@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-rdma@vger.kernel.org" , "netdev@vger.kernel.org" Subject: RE: [PATCH 5/6] PCI: hv: Add a per-bus mutex state_lock Thread-Topic: [PATCH 5/6] PCI: hv: Add a per-bus mutex state_lock Thread-Index: AQHZYTE1pEQ7gkU7iEqSar775+Y63q8R92VwgAAD0uA= Date: Wed, 29 Mar 2023 16:54:02 +0000 Message-ID: References: <20230328045122.25850-1-decui@microsoft.com> <20230328045122.25850-6-decui@microsoft.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: msip_labels: MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_ActionId=d326267c-94e2-4182-a6ec-05deec9dfec8;MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_ContentBits=0;MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Enabled=true;MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Method=Standard;MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Name=Internal;MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_SetDate=2023-03-29T16:38:28Z;MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_SiteId=72f988bf-86f1-41af-91ab-2d7cd011db47; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: SA1PR21MB1335.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 2eb34118-a597-41b0-f3b5-08db30763300 X-MS-Exchange-CrossTenant-originalarrivaltime: 29 Mar 2023 16:54:02.2561 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 2Mm6fbIfAYxxjhvPk6AxVp1VT1tLjK+RIE3exnQdVB2B/ieI3lEm4DVOaBpfxHMXjZaVKG6+gZpLmUCAfa4/xw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CYYPR21MB4022 X-Spam-Status: No, score=-0.2 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FORGED_SPF_HELO, RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > From: Michael Kelley (LINUX) > Sent: Wednesday, March 29, 2023 9:42 AM > ... > From: Dexuan Cui Sent: Monday, March 27, 2023 9:51 > PM > > >=20 > [snip] >=20 > > @@ -3945,20 +3962,26 @@ static int hv_pci_resume(struct hv_device > *hdev) > > if (ret) > > goto out; > > > > + mutex_lock(&hbus->state_lock); > > + > > ret =3D hv_pci_enter_d0(hdev); > > if (ret) > > goto out; >=20 > Shouldn't this be goto release_state_lock? Hmm, somehow I missed this. Will fix this in v2.