Re: [PATCH 07/10] crypto: Use ARCH_DMA_MINALIGN instead of ARCH_KMALLOC_MINALIGN

Herbert Xu
2022-04-17T08:36:14Z

On Sun, Apr 17, 2022 at 09:31:09AM +0100, Catalin Marinas wrote:
>
> Not with my series, the non-sharing of cache lines is preserved.
> kmalloc() still returns objects aligned to a cache-line.
> ARCH_DMA_MINALIGN was chosen as the cover-all value for all SoCs
> supported but I want to reduce the kmalloc() alignment to a cache line
> size if a platform has a cache line smaller than ARCH_DMA_MINALIGN (most
> arm64 SoCs have a cache line of 64 bytes rather than 128).

OK, but then you don't need to play with CRYPTO_MINALIGN at all,
right? All you need to do is add the padding between the Crypto
API fields and the context structure, right?

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