iommu/amd: Let free_pagetable() not rely on domain->pt_root

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Use 'struct domain_pgtable' instead to free_pagetable(). This solves
the problem that amd_iommu_domain_direct_map() needs to restore
domain->pt_root after the device table has been updated just to make
free_pagetable release the domain page-table.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
Reviewed-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Link: https://lore.kernel.org/r/20200527115313.7426-4-joro@8bytes.org

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Joerg Roedel 2020-05-27 13:53:06 +02:00

parent fb1b6955bb

commit 1226c37074

1 changed files with 16 additions and 20 deletions

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drivers/iommu/amd_iommu.c

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