iommu/io-pgtable-arm-v7s: Add support for non-strict mode
commit b2dfeba654cb08db327d0ed4547b66c2f8fce997 upstream As for LPAE, it's simply a case of skipping the leaf invalidation for a regular unmap, and ensuring that the one in split_blk_unmap() is paired with an explicit sync ASAP rather than relying on one which might only eventually happen way down the line. Signed-off-by: NRobin Murphy <robin.murphy@arm.com> Signed-off-by: NWill Deacon <will.deacon@arm.com> Signed-off-by: NZou Cao <zoucao@linux.alibaba.com> Reviewed-by: NBaoyou Xie <xie.baoyou@linux.alibaba.com>
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