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(parent: 7d1311b) | patch
iommu/vt-d: Defer domain removal if device is assigned to a driver
authorJoerg Roedel <[email protected]>
Tue, 5 Aug 2014 10:55:45 +0000 (12:55 +0200)
committerJoerg Roedel <[email protected]>
Mon, 18 Aug 2014 11:37:56 +0000 (13:37 +0200)
commite7f9fa5498d91fcdc63d93007ba43f36b1a30538
tree6dbc2a2cb2e5f4406e594d6782ce53347e3e60e1tree | snapshot
parent7d1311b93e58ed55f3a31cc8f94c4b8fe988a2b9commit | diff
iommu/vt-d: Defer domain removal if device is assigned to a driver

When the BUS_NOTIFY_DEL_DEVICE event is received the device
might still be attached to a driver. In this case the domain
can't be released as the mappings might still be in use.

Defer the domain removal in this case until we receivce the
BUS_NOTIFY_UNBOUND_DRIVER event.

Cc: Jiang Liu <[email protected]>
Cc: David Woodhouse <[email protected]>
Cc: [email protected] # v3.15, v3.16
Signed-off-by: Joerg Roedel <[email protected]>
drivers/iommu/intel-iommu.c diff | blob | history
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