From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Rafael J. Wysocki" <rafael@kernel.org>
Subject: Re: [PATCH v2 0/3] PCI: Revert "Implement pcibios_alloc_irq() and pcibios_free_irq()"
Date: Wed, 17 Feb 2016 20:47:16 +0100
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To: Bjorn Helgaas <bhelgaas@google.com>
Cc: Linux PCI <linux-pci@vger.kernel.org>, =?UTF-8?B?0J7Qu9C10LPQnNC+0YDQvtC3?= <oleg.moroz@mcc.vniiem.ru>, Joerg Roedel <jroedel@suse.de>, "Rafael J. Wysocki" <rjw@rjwysocki.net>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, Sunjin Yang <fan4326@gmail.com>, ACPI Devel Maling List <linux-acpi@vger.kernel.org>, Thomas Gleixner <tglx@linutronix.de>, Yinghai Lu <yinghai@kernel.org>, Jiang Liu <jiang.liu@linux.intel.com>

On Wed, Feb 17, 2016 at 7:36 PM, Bjorn Helgaas <bhelgaas@google.com> wr=
ote:
> 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.
>
> =D0=9E=D0=BB=D0=B5=D0=B3 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->ir=
q_managed"
>       Revert "PCI, x86: Implement pcibios_alloc_irq() and pcibios_fre=
e_irq()"

ACK for all three FWIW.

Thanks,
Rafael
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