iommu/vt-d: Implement is_attach_deferred iommu ops entry

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As a domain is now attached to a device earlier, we should
implement the is_attach_deferred call-back and use it to
defer the domain attach from iommu driver init to device
driver init when iommu is pre-enabled in kdump kernel.

Suggested-by: Tom Murphy <tmurphy@arista.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Lu Baolu 2019-05-25 13:41:32 +08:00 • committed by Joerg Roedel

parent fa212a97f3

commit 8af46c784e

1 changed files with 23 additions and 0 deletions

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drivers/iommu/intel-iommu.c

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