linux-kernel - Re: [PATCH] poly1305: generic C can be faster on chips with slow unaligned access

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Message-ID: <CAHmME9prw9b6=s25zUCQqWk+M8JEtJALEvZxa-HavWdpuicV0A@mail.gmail.com>
Date:   Mon, 7 Nov 2016 20:41:26 +0100
From:   "Jason A. Donenfeld" <Jason@...c4.com>
To:     Eric Biggers <ebiggers@...gle.com>
Cc:     David Miller <davem@...emloft.net>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        linux-crypto@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
        Martin Willi <martin@...ongswan.org>,
        WireGuard mailing list <wireguard@...ts.zx2c4.com>,
        René van Dorst <opensource@...rst.com>
Subject: Re: [PATCH] poly1305: generic C can be faster on chips with slow
 unaligned access

On Mon, Nov 7, 2016 at 8:25 PM, Eric Biggers <ebiggers@...gle.com> wrote:
> No it does *not* buffer all incoming blocks, which is why the source pointer can
> fall out of alignment.  Yes, I actually tested this.  In fact this situation is
> even hit, in both possible places, in the self-tests.

Urgh! v3 coming right up...