On Wed, Dec 13, 2023 at 7:11 PM Bjorn Helgaas <helgaas@xxxxxxxxxx> wrote: > > On Wed, Dec 13, 2023 at 01:36:12AM +0100, Igor Mammedov wrote: > > Hacks to mask a race between HBA scan job and bridge re-configuration(s) > > during hotplug. > > > > I don't like it a bit but it something that could be done quickly > > and solves problems that were reported. > > I agree, I don't like it either. Adding a 1s delay doesn't address > the real problem, and putting in a band-aid like this means the real > problem would likely never be addressed. > > At this point the best option I see is to revert these: > > cc22522fd55e2 ("PCI: acpiphp: Use pci_assign_unassigned_bridge_resources() only for non-root bus") > 40613da52b13f ("PCI: acpiphp: Reassign resources on bridge if necessary") > > I hate the fact that reverting them would mean the root bus hotplug > and ACPI bus check notifications would become issues again. > > But keeping these commits even though they add a new different problem > that breaks things for somebody else seems worse to me. Agreed.