From: Keith Busch <kbusch@kernel.org>
To: "Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>
Cc: Keith Busch <kbusch@meta.com>,
linux-pci@vger.kernel.org, helgaas@kernel.org, alex@shazbot.org,
dan.j.williams@intel.com, Lukas Wunner <lukas@wunner.de>
Subject: Re: [PATCHv4 3/3] pci: make reset_subordinate hotplug safe
Date: Fri, 13 Feb 2026 07:34:21 -0700 [thread overview]
Message-ID: <aY82bXoCR43jQplq@kbusch-mbp> (raw)
In-Reply-To: <04516225-9967-fd1e-c756-6963719aa08d@linux.intel.com>
On Fri, Feb 13, 2026 at 09:32:32AM +0200, Ilpo Järvinen wrote:
> On Thu, 12 Feb 2026, Keith Busch wrote:
> > int pci_bus_error_reset(struct pci_dev *bridge)
> > {
> > - struct pci_bus *bus = bridge->subordinate;
> > - struct pci_slot *slot;
> > -
> > - if (!bus)
> > - return -ENOTTY;
> > -
> > - mutex_lock(&pci_slot_mutex);
> > - if (list_empty(&bus->slots))
> > - goto bus_reset;
> > -
> > - list_for_each_entry(slot, &bus->slots, list)
> > - if (pci_probe_reset_slot(slot))
> > - goto bus_reset;
> > -
> > - list_for_each_entry(slot, &bus->slots, list)
> > - if (pci_slot_reset(slot, PCI_RESET_DO_RESET))
> > - goto bus_reset;
> > -
> > - mutex_unlock(&pci_slot_mutex);
> > - return 0;
> > -bus_reset:
> > - mutex_unlock(&pci_slot_mutex);
> > - return pci_bus_reset(bridge->subordinate, PCI_RESET_DO_RESET);
> > + return pci_reset_bridge(bridge, PCI_RESET_NO_RESTORE);
> > }
>
> I think this should be moved down below pci_reset_bridge() and the forward
> declaration of pci_reset_bridge() removed.
Yes, thanks for the suggestion. A cleaner end result for sure.
prev parent reply other threads:[~2026-02-13 14:34 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-12 22:41 [PATCHv4 0/3] pci slot reset handling fixes Keith Busch
2026-02-12 22:41 ` [PATCHv4 1/3] pci: rename __pci_bus_reset and __pci_slot_reset Keith Busch
2026-02-12 22:41 ` [PATCHv4 2/3] pci: allow all bus devices to use the same slot Keith Busch
2026-02-13 7:26 ` Ilpo Järvinen
2026-02-13 14:10 ` Keith Busch
2026-02-13 7:27 ` Ilpo Järvinen
2026-02-12 22:41 ` [PATCHv4 3/3] pci: make reset_subordinate hotplug safe Keith Busch
2026-02-13 3:41 ` dan.j.williams
2026-02-13 7:32 ` Ilpo Järvinen
2026-02-13 14:34 ` Keith Busch [this message]
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