Subject: Re: [PATCH] mac80211: aes_ccm: move struct aead_req off the stack

From: Johannes Berg <[email-masked]>
Date: Fri, 14 Oct 2016 15:15:41 +0200

On Fri, 2016-10-14 at 14:13 +0100, Ard Biesheuvel wrote:
> 
> > But if we allocate things anyway, is it worth expending per-CPU
> > buffers on these?
> 
> Ehmm, maybe not. I could spin a v2 that allocates a bigger buffer,
> and copies aad[] into it as well

Copies in/out, I guess. Also there's B_0/J_0 for CCM/GCM, and the
'zero' thing that GMAC has.

> That does not help the other algos though

What do you mean?

johannes