Messages in this thread |  | | | Subject | Re: [stable][PATCH] PCIe hot-plug for Intel IOMMU | | From | David Woodhouse <> | | Date | Thu, 12 Nov 2009 02:37:15 +0000 |
| |
On Wed, 2009-11-11 at 07:23 -0800, Fenghua Yu 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> > > --- > > The patch missed 2.6.32 release. Could it be in 2.6.32 stable?
Not strictly a regression, but it would make a lot of sense.
Fenghua, please could you test what's in git://git.infradead.org/~dwmw2/iommu-2.6.32.git on IA64 before I send it to Linus? There are a couple of other fixes for HP brain damage there.
-- dwmw2
|  |