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SubjectRe: [PATCH] crypto: ccm - avoid scatterlist for MAC encryption
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On Mon, 2016-10-17 at 08:37 +0100, Ard Biesheuvel wrote:

> Could we get a statement first whether it is supported to allocate
> aead_req (and other crypto req structures) on the stack?

Well, we haven't heard from Herbert :)

> If not, then
> we have our work cut out for us. But if it is, I'd rather we didn't
> apply the kzalloc/kfree patch, since it is just a workaround for the
> broken generic CCM driver, for which a fix is already available.

Yeah but I can't apply it. I just fixed up your kzalloc patch to also
handle GCM and GMAC, and to have error checking. Will send it in a
minute.

> Also, regarding your __percpu patch: those are located in the vmalloc
> area as well, at least on arm64, and likely other architectures too.

Crap. Any other bright ideas?

johannes

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