iommu/amd: Collect page-table pages in freelist

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Collect all pages that belong to a page-table in a list and
free them after the tree has been traversed. This allows to
implement safer page-table updates in subsequent patches.
Also move the functions for page-table freeing a bit upwards
in the file so that they are usable from the iommu_map() path.

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

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Joerg Roedel 2018-11-09 12:07:06 +01:00

parent ccda4af0f4

commit ac3a7092eb

1 changed files with 83 additions and 61 deletions

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drivers/iommu/amd_iommu.c

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