linux-kernel - Re: [PATCH v2 0/3] PCIe Capability accessor fixes [stable backports]

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Message-ID: <20131120071302.GE3821@adam-laptop>
Date:	Wed, 20 Nov 2013 15:13:02 +0800
From:	Adam Lee <adam.lee@...onical.com>
To:	Bjorn Helgaas <bhelgaas@...gle.com>
Cc:	stable@...r.kernel.org, Myron Stowe <myron.stowe@...hat.com>,
	linux-pci@...r.kernel.org, Amos Kong <kongjianjun@...il.com>,
	linux-kernel@...r.kernel.org, Yuval Mintz <yuvalmin@...adcom.com>,
	Ben Hutchings <ben@...adent.org.uk>,
	Thomas Renninger <trenn@...e.de>
Subject: Re: [PATCH v2 0/3] PCIe Capability accessor fixes [stable backports]

On Tue, Nov 19, 2013 at 02:35:37PM -0700, Bjorn Helgaas wrote:
> The following patches fix issues reported by Yuval Mintz
> <yuvalmin@...adcom.com> and Myron Stowe <myron.stowe@...hat.com>.
> 
> These fix pcie_capability_read_dword() and related accessors, which first
> appeared in v3.7.  I backported these to v3.10.19 because that appears to
> be the oldest maintained stable kernel that is affected.
> 
> These patches replace the ones I posted yesterday at [1], because Myron
> pointed out that an additional patch, "Remove PCIe Capability version
> checks," is needed to fix the issue he found [2].
> 
> ---
> Bjorn Helgaas (3):
>       PCI: Allow PCIe Capability link-related register access for switches
>       PCI: Remove PCIe Capability version checks
>       PCI: Support PCIe Capability Slot registers only for ports with slots
> 
>  drivers/pci/access.c |   19 ++++++++++---------
>  1 file changed, 10 insertions(+), 9 deletions(-)

Fixed a booting hang on some Lenovo laptops.

Tested-by: Adam Lee <adam.lee@...onical.com>

-- 
Adam Lee
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