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From: Greg Kroah-Hartman <gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>
To: Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
Cc: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
	jroedel-l3A5Bk7waGM@public.gmane.org,
	David Woodhouse <dwmw2-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>,
	Jiang Liu <jiang.liu-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
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-zLv9SwRftAIdnm+yROfE0A@public.gmane.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-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>

To the first patch.

thanks,

greg k-h

WARNING: multiple messages have this Message-ID (diff)
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

  parent reply	other threads:[~2014-10-01 22:35 UTC|newest]

Thread overview: 26+ 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 ` Joerg Roedel
     [not found] ` <1412074923-6342-1-git-send-email-joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2014-09-30 11:02   ` [PATCH 1/2] driver core: Add BUS_NOTIFY_REMOVED_DEVICE event Joerg Roedel
2014-09-30 11:02     ` Joerg Roedel
2014-09-30 11:02   ` [PATCH 2/2] iommu/vt-d: Only remove domain when device is removed Joerg Roedel
2014-09-30 11:02     ` Joerg Roedel
     [not found]     ` <1412074923-6342-3-git-send-email-joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2014-11-04 16:12       ` Alex Williamson
2014-11-04 16:12         ` Alex Williamson
     [not found]         ` <1415117537.27420.428.camel-85EaTFmN5p//9pzu0YdTqQ@public.gmane.org>
2014-11-06 12:54           ` Joerg Roedel
2014-11-06 12:54             ` Joerg Roedel
     [not found]             ` <20141106125405.GI8354-l3A5Bk7waGM@public.gmane.org>
2014-11-06 16:16               ` Alex Williamson
2014-11-06 16:16                 ` Alex Williamson
     [not found]                 ` <1415290565.16601.92.camel-85EaTFmN5p//9pzu0YdTqQ@public.gmane.org>
2014-11-06 16:43                   ` Alex Williamson
2014-11-06 16:43                     ` Alex Williamson
2014-12-09 12:15                   ` Joerg Roedel
2014-12-09 12:15                     ` Joerg Roedel
     [not found]                     ` <20141209121525.GM3762-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2014-12-11 16:35                       ` Jerry Hoemann
2014-12-11 16:35                         ` Jerry Hoemann
     [not found]                         ` <20141211163534.GA4765-dMAi7lA+vBPDUbYHzcRnttBPR1lH4CV8@public.gmane.org>
2014-12-12 15:56                           ` Joerg Roedel
2014-12-12 15:56                             ` Joerg Roedel
2014-10-01 22:35   ` Greg Kroah-Hartman [this message]
2014-10-01 22:35     ` [PATCH 0/2] iommu/vt-d: Keep RMRR mappings around on driver unbind Greg Kroah-Hartman
     [not found]     ` <20141001223510.GB12989-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
2014-10-02  9:20       ` Joerg Roedel
2014-10-02  9:20         ` Joerg Roedel
2014-10-02  0:30   ` Jerry Hoemann
2014-10-02  0:30     ` Jerry Hoemann

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