From mboxrd@z Thu Jan  1 00:00:00 1970
From: Joerg Roedel <joro@8bytes.org>
Date: Fri, 20 Jun 2014 12:23:20 +0000
Subject: Re: [Patch] iommu/vt-d: fix bug in handling multiple RMRRs for the same PCI device
Message-Id: <20140620122320.GJ31771@8bytes.org>
List-Id: <linux-hotplug.vger.kernel.org>
References: <1403248086-13853-1-git-send-email-jiang.liu@linux.intel.com>
In-Reply-To: <1403248086-13853-1-git-send-email-jiang.liu@linux.intel.com>
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To: Jiang Liu <jiang.liu@linux.intel.com>
Cc: David Woodhouse <dwmw2@infradead.org>, iommu@lists.linux-foundation.org, linux-pci@vger.kernel.org, linux-hotplug@vger.kernel.org, linux-kernel@vger.kernel.org

On Fri, Jun 20, 2014 at 03:08:06PM +0800, Jiang Liu wrote:
> Function dmar_iommu_notify_scope_dev() makes a wrong assumption that
> there's one RMRR for each PCI device at most, which causes DMA failure
> on some HP platforms. So enhance dmar_iommu_notify_scope_dev() to
> handle multiple RMRRs for the same PCI device.
>=20
> Fixbug: https://bugzilla.novell.com/show_bug.cgi?id=879482
>=20
> Cc: <stable@vger.kernel.org> # 3.15
> Reported-by: Tom Mingarelli <thomas.mingarelli@hp.com>
> Tested-by: Linda Knippers <linda.knippers@hp.com>
> Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>

Applied to iommu/fixes, thans Jiang.