iommu: Make sure a device is always attached to a domain

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Make use of the default domain and re-attach a device to it
when it is detached from another domain. Also enforce that a
device has to be in the default domain before it can be
attached to a different domain.

Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Joerg Roedel 2015-05-28 18:41:31 +02:00

parent 426a273834

commit e39cb8a3aa

1 changed files with 76 additions and 8 deletions

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drivers/iommu/iommu.c

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