iommu: Add iova and size as parameters in iotlb_sync_map

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iotlb_sync_map allow IOMMU drivers tlb sync after completing the whole
mapping. This patch adds iova and size as the parameters in it. then the
IOMMU driver could flush tlb with the whole range once after iova mapping
to improve performance.

Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Acked-by: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20210107122909.16317-3-yong.wu@mediatek.com
Signed-off-by: Will Deacon <will@kernel.org>

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Yong Wu 2021-01-07 20:29:04 +08:00 • committed by Will Deacon

parent d8c1df02ac

commit 2ebbd25873

3 changed files with 9 additions and 5 deletions

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4

drivers/iommu/iommu.c

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7

drivers/iommu/tegra-gart.c

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3

include/linux/iommu.h

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