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Date: Wed, 11 Nov 2009 13:27:07 -0800 From: Yinghai Lu <yhlu.kernel@...il.com> To: Fenghua Yu <fenghua.yu@...el.com>, "Barnes, Jesse" <jesse.barnes@...el.com> Cc: Greg KH <gregkh@...e.de>, Andrew Morton <akpm@...ux-foundation.org>, torvalds@...ux-foundation.org, David Woodhouse <dwmw2@...radead.org>, jbarnes@...tuousgeek.org, stable@...nel.org, iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org Subject: Re: [stable][PATCH] PCIe hot-plug for Intel IOMMU On Wed, Nov 11, 2009 at 7:23 AM, Fenghua Yu <fenghua.yu@...el.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@...el.com> Tested-by: Yinghai Lu <yinghai@...nel.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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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