iommu/amd: Add helper functions to update domain->pt_root

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Do not call atomic64_set() directly to update the domain page-table
root and use two new helper functions.

This makes it easier to implement additional work necessary when
the page-table is updated.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
Link: https://lore.kernel.org/r/20200626080547.24865-2-joro@8bytes.org

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Joerg Roedel 2020-06-26 10:05:46 +02:00

parent 9a295ff0ff

commit 70fcd3592b

1 changed files with 20 additions and 11 deletions

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drivers/iommu/amd/iommu.c

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