On Tue, 26 Mar 2024 10:43:30 -0700 Garrett D'Amore <garr...@damore.org> wrote:
> This had occurred to me as well. I think most hardware DMA engines can align > on 32-bit boundaries. I've yet to see a device that actually requires 64-bit > DMA alignment. (But I have only looked at a subset of devices, and most of > the ones I have looked at are not ones that would be considered 'modern'.) There maybe a PCI transaction performance penalty if not aligned.