From: Joerg Roedel <joro@8bytes.org>
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
Subject: Re: [Patch] iommu/vt-d: fix bug in handling multiple RMRRs for the same PCI device
Date: Fri, 20 Jun 2014 12:23:20 +0000 [thread overview]
Message-ID: <20140620122320.GJ31771@8bytes.org> (raw)
In-Reply-To: <1403248086-13853-1-git-send-email-jiang.liu@linux.intel.com>
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.
>
> Fixbug: https://bugzilla.novell.com/show_bug.cgi?id‡9482
>
> 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.
prev parent reply other threads:[~2014-06-20 12:23 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-20 7:08 [Patch] iommu/vt-d: fix bug in handling multiple RMRRs for the same PCI device Jiang Liu
2014-06-20 12:23 ` Joerg Roedel [this message]
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