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authorFenghua Yu <fenghua.yu@intel.com>2009-11-11 10:23:06 -0500
committerDavid Woodhouse <David.Woodhouse@intel.com>2009-11-11 21:28:45 -0500
commit99dcadede42f8898d4c963ef69192ef4b9b76ba8 (patch)
tree36db26e700bfa17f56a30ef05b4092372149e147 /include/linux/memory_hotplug.h
parente8bb910d1bbc65e7081e73aab4b3a3dd8630332c (diff)
intel-iommu: Support PCIe hot-plug
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> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'include/linux/memory_hotplug.h')
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