On Wed, Feb 17, 2016 at 7:36 PM, Bjorn Helgaas <bhelgaas@xxxxxxxxxx> wrote:
> These are clean reverts of 991de2e59090 ("PCI, x86: Implement
> pcibios_alloc_irq() and pcibios_free_irq()") and related changes.
>
> We have two reports of drivers broken in v4.3 by Jiang's change,
> 991de2e59090 ("PCI, x86: Implement pcibios_alloc_irq() and
> pcibios_free_irq()").
>
> It would be best to fix the problem instead of reverting 991de2e59090, but
> I don't have time to do that myself, and we haven't heard from Jiang, so
> the only choice I have is to revert the commit.
>
> Note that reverting will likely break IOAPIC hotplug.
>
> Олег and Sunjin, can you please test this and see whether it fixes your
> drivers? This patch is based on v4.5-rc1.
>
> I intend to merge these for v4.5 unless I hear objections.
>
> They're on my for-linus branch, so they should appear in linux-next
> tomorrow.
>
> Changes from the v1 posting:
> - Explicitly revert related patches instead of resolving conflicts
> manually
> ---
>
> Bjorn Helgaas (3):
> Revert "x86/PCI: Don't alloc pcibios-irq when MSI is enabled"
> Revert "PCI: Add helpers to manage pci_dev->irq and pci_dev->irq_managed"
> Revert "PCI, x86: Implement pcibios_alloc_irq() and pcibios_free_irq()"
ACK for all three FWIW.
Thanks,
Rafael
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