On Fri, Dec 01, 2017 at 09:19:22PM +0000, Ard Biesheuvel wrote: > Note that the remaining crypto drivers simply operate on fixed buffers, so > while the RT crowd may still feel the need to disable those (and the ones > below as well, perhaps), they don't call back into the crypto layer like > the ones updated by this series, and so there's no room for improvement > there AFAICT. Do these other drivers process all the blocks fed to them in one go under a single NEON section, or do they do a single fixed block per NEON invocation?