From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Joerg Roedel <joro@8bytes.org>
Cc: David Woodhouse <dwmw2@infradead.org>,
Jiang Liu <jiang.liu@linux.intel.com>,
iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org,
jroedel@suse.de
Subject: Re: [PATCH 0/2] iommu/vt-d: Keep RMRR mappings around on driver unbind
Date: Wed, 1 Oct 2014 15:35:10 -0700 [thread overview]
Message-ID: <20141001223510.GB12989@kroah.com> (raw)
In-Reply-To: <1412074923-6342-1-git-send-email-joro@8bytes.org>
On Tue, Sep 30, 2014 at 01:02:01PM +0200, Joerg Roedel wrote:
> Hi,
>
> here is a patch-set to fix an issue recently discovered when
> the Intel IOMMU is in use with devices that need RMRR
> mappings.
>
> The problem is that the RMRR mappings are destroyed when the
> device driver is unbound from the device, causing DMAR
> faults.
>
> To solve this problem a device driver core change is
> necessary to catch the right point in time for the IOMMU
> code to destroy any mappings for a device.
>
> With this patch-set the RMRR mappings are only destroyed
> when the device is actually removed from the system.
>
> Please review.
I have no objection to these, do you want me to take them through my
tree? Or if they are going through some other one feel free to add:
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To the first patch.
thanks,
greg k-h
next prev parent reply other threads:[~2014-10-01 22:35 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-30 11:02 [PATCH 0/2] iommu/vt-d: Keep RMRR mappings around on driver unbind Joerg Roedel
2014-09-30 11:02 ` [PATCH 1/2] driver core: Add BUS_NOTIFY_REMOVED_DEVICE event Joerg Roedel
2014-09-30 11:02 ` [PATCH 2/2] iommu/vt-d: Only remove domain when device is removed Joerg Roedel
2014-11-04 16:12 ` Alex Williamson
2014-11-06 12:54 ` Joerg Roedel
2014-11-06 16:16 ` Alex Williamson
2014-11-06 16:43 ` Alex Williamson
2014-12-09 12:15 ` Joerg Roedel
2014-12-11 16:35 ` Jerry Hoemann
2014-12-12 15:56 ` Joerg Roedel
2014-10-01 22:35 ` Greg Kroah-Hartman [this message]
2014-10-02 9:20 ` [PATCH 0/2] iommu/vt-d: Keep RMRR mappings around on driver unbind Joerg Roedel
2014-10-02 0:30 ` Jerry Hoemann
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