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Message-ID: <SA1PR21MB1335BE6CEF491596BCF62FC5BF679@SA1PR21MB1335.namprd21.prod.outlook.com> Date: Mon, 24 Apr 2023 20:50:12 +0000 From: Dexuan Cui <decui@...rosoft.com> To: Simon Horman <simon.horman@...igine.com> CC: "bhelgaas@...gle.com" <bhelgaas@...gle.com>, "davem@...emloft.net" <davem@...emloft.net>, "edumazet@...gle.com" <edumazet@...gle.com>, Haiyang Zhang <haiyangz@...rosoft.com>, Jake Oshins <jakeo@...rosoft.com>, "kuba@...nel.org" <kuba@...nel.org>, "kw@...ux.com" <kw@...ux.com>, KY Srinivasan <kys@...rosoft.com>, "leon@...nel.org" <leon@...nel.org>, "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>, "lpieralisi@...nel.org" <lpieralisi@...nel.org>, "Michael Kelley (LINUX)" <mikelley@...rosoft.com>, "pabeni@...hat.com" <pabeni@...hat.com>, "robh@...nel.org" <robh@...nel.org>, "saeedm@...dia.com" <saeedm@...dia.com>, "wei.liu@...nel.org" <wei.liu@...nel.org>, Long Li <longli@...rosoft.com>, "boqun.feng@...il.com" <boqun.feng@...il.com>, Saurabh Singh Sengar <ssengar@...rosoft.com>, "helgaas@...nel.org" <helgaas@...nel.org>, "linux-hyperv@...r.kernel.org" <linux-hyperv@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>, Jose Teuttli Carranco <josete@...rosoft.com>, "stable@...r.kernel.org" <stable@...r.kernel.org> Subject: RE: [PATCH v3 6/6] PCI: hv: Use async probing to reduce boot time > From: Simon Horman <simon.horman@...igine.com> > Sent: Sunday, April 23, 2023 12:11 PM > To: Dexuan Cui <decui@...rosoft.com> > ... > On Wed, Apr 19, 2023 at 07:40:37PM -0700, Dexuan Cui wrote: > > Commit 414428c5da1c ("PCI: hv: Lock PCI bus on device eject") added > > pci_lock_rescan_remove() and pci_unlock_rescan_remove() in > > create_root_hv_pci_bus() and in hv_eject_device_work() to address the > > race between create_root_hv_pci_bus() and hv_eject_device_work(), but it > > turns that grabing the pci_rescan_remove_lock mutex is not enough: > > nit: s/grabing/grabbing/g Thanks for spotting this! I suppose the maintainer(s) would help fix this.
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