linux-kernel - Re: [PATCH v4] poly1305: generic C can be faster on chips with slow unaligned access

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Message-ID: <20161107204041.GC34388@google.com>
Date:   Mon, 7 Nov 2016 12:40:41 -0800
From:   Eric Biggers <ebiggers@...gle.com>
To:     "Jason A. Donenfeld" <Jason@...c4.com>
Cc:     Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
        Martin Willi <martin@...ongswan.org>,
        René van Dorst <opensource@...rst.com>
Subject: Re: [PATCH v4] poly1305: generic C can be faster on chips with slow
 unaligned access

On Mon, Nov 07, 2016 at 08:47:09PM +0100, Jason A. Donenfeld wrote:
> By using the unaligned access helpers, we drastically improve
> performance on small MIPS routers that have to go through the exception
> fix-up handler for these unaligned accesses.
> 
> Signed-off-by: Jason A. Donenfeld <Jason@...c4.com>
> ---

Reviewed-by: Eric Biggers <ebiggers@...gle.com>

Nit: the subject line is a little unclear about what was changed.
"make generic C faster on chips with slow unaligned access" would be better.