Messages in this thread | | | Date | Fri, 15 Apr 2022 15:51:54 +0800 | From | Herbert Xu <> | Subject | Re: [PATCH 07/10] crypto: Use ARCH_DMA_MINALIGN instead of ARCH_KMALLOC_MINALIGN |
| |
On Fri, Apr 15, 2022 at 09:49:12AM +0200, Ard Biesheuvel wrote: > > I'm not sure I understand what would go wrong if that assumption no > longer holds.
It's very simple, we don't do anything to the pointer returned by kmalloc before returning it as a tfm or other object with an alignment of CRYPTO_MINALIGN. IOW if kmalloc starts returning pointers that are not aligned to CRYPTO_MINALIGN then we'd be lying to the compiler.
Cheers, -- Email: Herbert Xu <herbert@gondor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
| |