Re: [RFC PATCH v1 18/18] nvme-pci: use new dma API

Christoph Hellwig
2024-07-06T06:08:24Z

On Fri, Jul 05, 2024 at 09:48:46PM +0300, Leon Romanovsky wrote:
> In that case the flow is dma_map_sg()->iommu_dma_map_sg()->dev_use_sg_swiotlb().

Even for that you'll still need to check the first and last entry
for being kmalloc misaligned if we assume that all middle entries are
aligned (which for NVMe they have to, but we're probably better off
figuring out a way to enforce that).