On Mon, 24 Jun 2019 at 09:38, Ard Biesheuvel <ard.biesheu...@linaro.org> wrote:
>
> Provide an accelerated implementation of aegis128 by wiring up the
> SIMD hooks in the generic driver to an implementation based on NEON
> intrinsics, which can be compiled to both ARM and arm64 code.
>
> This results in a performance of 2.2 cycles per byte on Cortex-A53,
> which is a performance increase of ~11x compared to the generic
> code.
>
> Signed-off-by: Ard Biesheuvel <ard.biesheu...@linaro.org>
> ---
>  crypto/Kconfig               |   5 +
>  crypto/Makefile              |  12 ++
>  crypto/aegis128-neon-inner.c | 142 ++++++++++++++++++++
>  crypto/aegis128-neon.c       |  43 ++++++
>  4 files changed, 202 insertions(+)
>
...
> diff --git a/crypto/Makefile b/crypto/Makefile
> index 266a4cdbb9e2..f4a55cfb7f17 100644
> --- a/crypto/Makefile
> +++ b/crypto/Makefile
> @@ -92,6 +92,18 @@ obj-$(CONFIG_CRYPTO_GCM) += gcm.o
>  obj-$(CONFIG_CRYPTO_CCM) += ccm.o
>  obj-$(CONFIG_CRYPTO_CHACHA20POLY1305) += chacha20poly1305.o
>  obj-$(CONFIG_CRYPTO_AEGIS128) += aegis128.o
> +aegis128-y := aegis128.o
> +

This doesn't actually work when building a module. I'll have to rename
the .c file so that the module that combines the objects can retain
its name

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