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.
WARNING: multiple messages have this Message-ID (diff)
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 14:23:20 +0200 [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=879482
>
> 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.
next prev parent reply other threads:[~2014-06-20 12:23 UTC|newest]
Thread overview: 4+ 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 7:08 ` Jiang Liu
2014-06-20 12:23 ` Joerg Roedel [this message]
2014-06-20 12:23 ` Joerg Roedel
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20140620122320.GJ31771@8bytes.org \
--to=joro@8bytes.org \
--cc=dwmw2@infradead.org \
--cc=iommu@lists.linux-foundation.org \
--cc=jiang.liu@linux.intel.com \
--cc=linux-hotplug@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pci@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.