Subject: Re: [PATCH v6 4/6] crypto: arm64/aes-ccm - remove non-SIMD fallback path

From: Eric Biggers <[email-masked]>
Date: Wed, 26 May 2021 09:57:49 -0700

On Wed, May 26, 2021 at 12:07:27PM +0200, Ard Biesheuvel wrote:
> AES/CCM on arm64 is implemented as a synchronous AEAD, and so it is
> guaranteed by the API that it is only invoked in task or softirq
> context. Since softirqs are now only handled when the SIMD is not
> being used in the task context that was interrupted to service the
> softirq, we no longer need a fallback path. Let's remove it.
> 
> Signed-off-by: Ard Biesheuvel <[email-masked]>
> ---
>  arch/arm64/crypto/aes-ce-ccm-glue.c | 153 ++++----------------
>  1 file changed, 32 insertions(+), 121 deletions(-)

Reviewed-by: Eric Biggers <[email-masked]>

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