Re: [PATCH v6 0/6] crypto: skcipher - multi-data-unit request splitting

[Christoph Hellwig]

On Thu, Sep 24, 2026 at 07:58:40AM +0000, Leonid Ravich wrote:
> * No throughput *win* is claimed for software AES.  The win is for
>   accelerators that amortise setup across units; the software split
>   exists so the interface works on every existing skcipher today and
>   goes quiet as algorithms gain CRYPTO_ALG_REQ_SEG.

So what is the use case?  So far all crypto driver we've seen have
shown to be slower than cpu.  Which one are you using that isn't?
And if you have a genuinely useful one, should we have a proper
interface to it that doesn't pay the scatterlist overhead to start
with?