From: "Jason A. Donenfeld" <Jason@zx2c4.com>
To: Eric Biggers <ebiggers@kernel.org>
Cc: linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 3/3] crypto: lib - move crypto_simd_disabled_for_test into utils
Date: Sat, 16 Jul 2022 20:32:55 +0200 [thread overview]
Message-ID: <YtMEFyH8WyPS/vJB@zx2c4.com> (raw)
In-Reply-To: <20220716062920.210381-4-ebiggers@kernel.org>
Hi Eric,
On Fri, Jul 15, 2022 at 11:29:20PM -0700, Eric Biggers wrote:
> From: Eric Biggers <ebiggers@google.com>
>
> Move the definition of crypto_simd_disabled_for_test into
> lib/crypto/utils.c so that it can be accessed by library code.
>
> This is needed when code that is shared between a traditional crypto API
> implementation and a library implementation is built-in, but
> CRYPTO_ALGAPI=m. The x86 blake2s previously was an example of this
> (https://lore.kernel.org/linux-crypto/20220517033630.1182-1-gaochao49@huawei.com/T/#u).
> Although that case was resolved by removing the blake2s shash support,
> this problem could easily come back in the future, so let's address it.
I'm not sure I see the reason in general for a utility library rather
than doing these piecemeal like the rest of lib functions. Why is crypto
special here? But in particular to this patch: nothing is actually using
crypto_simd_disabled_for_test in lib/crypto, right? So is this
necessary?
Jason
next prev parent reply other threads:[~2022-07-16 18:33 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-16 6:29 [PATCH v2 0/3] crypto: lib - create utils module Eric Biggers
2022-07-16 6:29 ` [PATCH v2 1/3] crypto: lib - create utils module and move __crypto_memneq into it Eric Biggers
2022-07-16 6:29 ` [PATCH v2 2/3] crypto: lib - move __crypto_xor into utils Eric Biggers
2022-07-16 6:29 ` [PATCH v2 3/3] crypto: lib - move crypto_simd_disabled_for_test " Eric Biggers
2022-07-16 18:32 ` Jason A. Donenfeld [this message]
2022-07-19 4:34 ` Eric Biggers
2022-07-21 7:01 ` Eric Biggers
2022-07-21 7:36 ` Herbert Xu
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