linux-kernel - Re: [PATCH v2 19/19] crypto: x86/sha

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Message-ID: <Y0erL2k1PGVN4qme@sol.localdomain>
Date:   Wed, 12 Oct 2022 23:07:43 -0700
From:   Eric Biggers <ebiggers@...nel.org>
To:     Robert Elliott <elliott@....com>
Cc:     herbert@...dor.apana.org.au, davem@...emloft.net,
        tim.c.chen@...ux.intel.com, ap420073@...il.com, ardb@...nel.org,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 19/19] crypto: x86/sha - register only the best
 function

On Wed, Oct 12, 2022 at 04:59:31PM -0500, Robert Elliott wrote:
> Don't register and unregister each of the functions from least-
> to most-optimized (SSSE3 then AVX then AVX2); determine the
> most-optimized function and load only that version.
> 
> Suggested-by: Tim Chen <tim.c.chen@...ux.intel.com>
> Signed-off-by: Robert Elliott <elliott@....com>

I thought that it's done the way it is so that it's easy to run the self-tests
for all the different variants.

- Eric