linux-kernel - Re: [PATCH v2 0/3] PCI: Revert "Implement pcibios_alloc_irq() and pcibios_free

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Message-ID: <56C55305.2050404@mcc.vniiem.ru>
Date:	Thu, 18 Feb 2016 08:13:41 +0300
From:	Мороз Олег <oleg.moroz@....vniiem.ru>
To:	Bjorn Helgaas <bhelgaas@...gle.com>, linux-pci@...r.kernel.org
Cc:	Joerg Roedel <jroedel@...e.de>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	linux-kernel@...r.kernel.org, Sunjin Yang <fan4326@...il.com>,
	linux-acpi@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
	Yinghai Lu <yinghai@...nel.org>,
	Jiang Liu <jiang.liu@...ux.intel.com>
Subject: Re: [PATCH v2 0/3] PCI: Revert "Implement pcibios_alloc_irq() and
 pcibios_free_irq()"

On 17.02.2016 21:36, Bjorn Helgaas 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()"
>
>
>   arch/x86/include/asm/pci_x86.h |    2 ++
>   arch/x86/pci/common.c          |   26 ++++++++++----------------
>   arch/x86/pci/intel_mid_pci.c   |    9 +++------
>   arch/x86/pci/irq.c             |   23 +++++++++++++++++++----
>   drivers/acpi/pci_irq.c         |   17 +++++++++++++----
>   include/linux/pci.h            |   17 -----------------
>   6 files changed, 47 insertions(+), 47 deletions(-)
As i undestand this patch will appear in kernel git repo tomorrow? I 
don't need to apply in manyally to v4.5-rc1?