From: Yinghai Lu <yhlu.kernel@gmail.com>
To: Fenghua Yu <fenghua.yu@intel.com>,
"Barnes, Jesse" <jesse.barnes@intel.com>
Cc: Greg KH <gregkh@suse.de>,
Andrew Morton <akpm@linux-foundation.org>,
torvalds@linux-foundation.org,
David Woodhouse <dwmw2@infradead.org>,
jbarnes@virtuousgeek.org, stable@kernel.org,
iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org
Subject: Re: [stable][PATCH] PCIe hot-plug for Intel IOMMU
Date: Wed, 11 Nov 2009 13:27:07 -0800 [thread overview]
Message-ID: <86802c440911111327o49bb2b09xc8ab801ce281d04@mail.gmail.com> (raw)
In-Reply-To: <20091111152306.GA29256@linux-os.sc.intel.com>
On Wed, Nov 11, 2009 at 7:23 AM, Fenghua Yu <fenghua.yu@intel.com> wrote:
> To support PCIe hot plug in IOMMU, we register a notifier to respond to device
> change action.
>
> When the notifier gets BUS_NOTIFY_UNBOUND_DRIVER, it removes the device from its
> DMAR domain.
>
> A hot added device will be added into an IOMMU domain when it first does IOMMU
> op. So there is no need to add more code for hot add.
>
> Without the patch, after a hot-remove, a hot-added device on the same slot will
> not work.
>
> Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Tested-by: Yinghai Lu <yinghai@kernel.org>
>
> ---
>
> The patch missed 2.6.32 release. Could it be in 2.6.32 stable?
Jesse,
can you push to Linus?
looks like David is too busy.
YH
next prev parent reply other threads:[~2009-11-11 21:27 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-04 22:59 [PATCH] intel-iommu: Obey coherent_dma_mask for alloc_coherent on passthrough Alex Williamson
2009-11-06 2:41 ` FUJITA Tomonori
2009-11-06 3:19 ` Alex Williamson
2009-11-06 3:34 ` FUJITA Tomonori
2009-11-06 4:09 ` Alex Williamson
2009-11-09 23:02 ` David Woodhouse
2009-11-09 23:32 ` Alex Williamson
2009-11-10 0:19 ` David Woodhouse
2009-11-11 15:23 ` [stable][PATCH] PCIe hot-plug for Intel IOMMU Fenghua Yu
2009-11-11 21:27 ` Yinghai Lu [this message]
2009-11-28 6:17 ` David Woodhouse
2009-11-12 2:37 ` David Woodhouse
2009-11-12 23:32 ` Yu, Fenghua
2009-11-10 0:46 ` [PATCH] intel-iommu: Obey coherent_dma_mask for alloc_coherent on passthrough David Woodhouse
2009-11-10 1:01 ` David Woodhouse
2009-11-10 1:28 ` Alex Williamson
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