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iommu/vt-d: Dynamically allocate and free seq_id for DMAR units
authorJiang Liu <jiang.liu@linux.intel.com>
Sun, 9 Nov 2014 14:47:57 +0000 (22:47 +0800)
committerJoerg Roedel <jroedel@suse.de>
Tue, 18 Nov 2014 10:18:35 +0000 (11:18 +0100)
Introduce functions to support dynamic IOMMU seq_id allocating and
releasing, which will be used to support DMAR hotplug.

Also rename IOMMU_UNITS_SUPPORTED as DMAR_UNITS_SUPPORTED.

Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Reviewed-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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