On 2021-03-04 08:43, Pavel Machek wrote:
Hi!
[ Upstream commit d8c1df02ac7f2c802a9b2afc0f5c888c4217f1d5 ]
In the end of __iommu_map, It alway call iotlb_sync_map.
This patch moves iotlb_sync_map out from __iommu_map since it is
unnecessary to call this for each sg segment especially iotlb_syn
Hi!
> [ Upstream commit d8c1df02ac7f2c802a9b2afc0f5c888c4217f1d5 ]
>
> In the end of __iommu_map, It alway call iotlb_sync_map.
>
> This patch moves iotlb_sync_map out from __iommu_map since it is
> unnecessary to call this for each sg segment especially iotlb_sync_map
> is flush tlb all current
From: Yong Wu
[ Upstream commit d8c1df02ac7f2c802a9b2afc0f5c888c4217f1d5 ]
In the end of __iommu_map, It alway call iotlb_sync_map.
This patch moves iotlb_sync_map out from __iommu_map since it is
unnecessary to call this for each sg segment especially iotlb_sync_map
is flush tlb all currently.
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