Messages in this thread | | | From | Lu Baolu <> | Subject | Re: [PATCH v5 3/7] iommu: Allow the dma-iommu api to use bounce buffers | Date | Mon, 23 Nov 2020 19:40:57 +0800 |
| |
Hi Christoph,
On 2020/11/23 18:08, Christoph Hellwig wrote: >> + /* >> + * If both the physical buffer start address and size are >> + * page aligned, we don't need to use a bounce page. >> + */ >> + if (IS_ENABLED(CONFIG_SWIOTLB) && dev_is_untrusted(dev) && >> + iova_offset(iovad, phys | org_size)) { >> + aligned_size = iova_align(iovad, org_size); >> + phys = swiotlb_tbl_map_single(dev, >> + phys_to_dma(dev, io_tlb_start), >> + phys, org_size, aligned_size, dir, attrs); > > swiotlb_tbl_map_single takes one less argument in 5.10-rc now. >
Yes. But Will's iommu/next branch is based on 5.10-rc3. I synced with him, we agreed to keep it 5.10-rc3 and resolve this conflict when merging it.
Best regards, baolu
| |