Hi,
On Thu, Jan 7, 2021 at 4:31 AM Yong Wu wrote:
>
> @@ -2438,18 +2435,31 @@ static int __iommu_map(struct iommu_domain *domain,
> unsigned long iova,
> return ret;
> }
>
> +static int _iommu_map(struct iommu_domain *domain, unsigned long iova,
> + phys_addr_t paddr
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. Add a little helper _iommu_map for this.
Signed-off-by: Yong Wu
Reviewed-by
