[dm-devel] [PATCH v2 0/7] crypto: add CRYPTO_ALG_ALLOCATES_MEMORY

[Herbert Xu]

On Fri, Jul 17, 2020 at 05:42:43PM +0300, Horia Geantă wrote:
>
> Looks like there's no mention of a limit on src, dst scatterlists size
> that crypto implementations could use when pre-allocating memory
> and crypto users needing CRYPTO_ALG_ALLOCATES_MEMORY should be aware of
> (for the contract to be honoured):
> https://lore.kernel.org/linux-crypto/780cb500-2241-61bc-eb44-6f872ad567d3@nxp.com

Good point.  I think we should limit this flag only to the cases
applicable to dm-crypt, which seems to be 4 entries maximum.

Anything else should be allowed to allocate extra memory as needed.

Thanks,
-- 
Email: Herbert Xu <herbert at gondor.apana.org.au>
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