On Mon, Aug 04, 2025 at 03:42:50PM +0300, Leon Romanovsky wrote: > From: Leon Romanovsky <leo...@nvidia.com> > > Block layer maps MMIO memory through dma_map_phys() interface > with help of DMA_ATTR_MMIO attribute. There is a need to unmap > that memory with the appropriate unmap function.
Be specific, AFIACT the issue is that on dma_ops platforms the map will call ops->map_resource for ATTR_MMIO so we must have the unmap call ops->unmap_resournce Maybe these patches should be swapped then, as adding ATTR_MMIO seems like it created this issue? Jason