iommu/arm-smmu-v3: Add support for non-strict mode

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Now that io-pgtable knows how to dodge strict TLB maintenance, all
that's left to do is bridge the gap between the IOMMU core requesting
DOMAIN_ATTR_DMA_USE_FLUSH_QUEUE for default domains, and showing the
appropriate IO_PGTABLE_QUIRK_NON_STRICT flag to alloc_io_pgtable_ops().

Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
[rm: convert to domain attribute, tweak commit message]
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>

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Zhen Lei 2018-09-20 17:10:25 +01:00 • committed by Will Deacon

parent b6b65ca20b

commit 9662b99a19

1 changed files with 56 additions and 23 deletions

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drivers/iommu/arm-smmu-v3.c

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