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Message-ID: <1370690146.2938.64.camel@sauron.fi.intel.com>
Subject: Re: [PATCH] x86/PCI: setup data may be in highmem
From: Artem Bityutskiy <dedekind1@gmail.com>
Reply-To: dedekind1@gmail.com
To: Matt Fleming <matt@console-pimps.org>
Cc: Bjorn Helgaas <bhelgaas@google.com>, linux-pci@vger.kernel.org,
	linux-kernel@vger.kernel.org, x86@kernel.org,
	Matt Fleming <matt.fleming@intel.com>,
	Matthew Garrett <mjg59@srcf.ucam.org>,
	Seth Forshee <seth.forshee@canonical.com>,
	Jesse Barnes <jbarnes@virtuousgeek.org>, stable@vger.kernel.org
Date: Sat, 08 Jun 2013 14:15:46 +0300
In-Reply-To: <1369215782-32697-1-git-send-email-matt@console-pimps.org>
References: <1369215782-32697-1-git-send-email-matt@console-pimps.org>
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On Wed, 2013-05-22 at 10:43 +0100, Matt Fleming wrote:
> From: Matt Fleming <matt.fleming@intel.com>
> 
> pcibios_add_device() assumes that the physical addresses stored in
> setup_data are accessible via the direct kernel mapping, and that
> calling phys_to_virt() is valid. This isn't guaranteed to be true on x86
> where the direct mapping range is much smaller than on x86-64.
> 
> Calling phys_to_virt() on a highmem address results in the following,

Fixes paging request oops for me as well, thanks! Would you please add a
-stable tag to this patch?

-- 
Best Regards,
Artem Bityutskiy