netdev - RE: [PATCH v2 6/6] PCI: hv: Use async probing to reduce boot time

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Message-ID: <SA1PR21MB1335E6B2D4D01649712FBF96BF979@SA1PR21MB1335.namprd21.prod.outlook.com>
Date:   Sat, 8 Apr 2023 00:23:16 +0000
From:   Dexuan Cui <decui@...rosoft.com>
To:     "Michael Kelley (LINUX)" <mikelley@...rosoft.com>,
        "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>,
        "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>
CC:     "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>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>
Subject: RE: [PATCH v2 6/6] PCI: hv: Use async probing to reduce boot time

> From: Michael Kelley (LINUX) <mikelley@...rosoft.com>
> Sent: Friday, April 7, 2023 9:15 AM
> ...
> > > 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 grubing the pci_rescan_remove_lock mutex is not enough:
> 
> There's some kind of spelling error or typo above.  Should "grubing" be
> "grabbing"?  Or did you intend something else?
> 
> Michael

Sorry, it's a typo. The "grubing" should be "grabbing".
I suppose the PCI maintainers can help fix this. Let me know if v3 is needed.