Re: [v2 PATCH 3/9] crypto: aead - Add ctx helpers with DMA alignment

Herbert Xu
2022-11-28T04:07:34Z

On Fri, Nov 25, 2022 at 12:24:31PM +0000, Catalin Marinas wrote:
>
> I wonder, if drivers end up calling this, isn't it easier to do the
> alignment in crypto_aead_ctx() directly? There are over 300 callers (not
> sure about the padding though, it may need still driver changes unless
> we can add it to something like crypto_tfm_alg_alignmask()). Or is the
> expectation that not all drivers need a DMA alignment?

I'm only changing the specific drivers that map things from the ctx
structures for DMA. So it's not as bad as a simple grep would suggest.

Cheers,
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
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