linux-kernel - Re: [PATCH 1/3] crypto: sm4 - create SM4 library based on sm4 generic code

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Message-ID: <Yh32tEhUgGeSXf/A@zx2c4.com>
Date:   Tue, 1 Mar 2022 11:34:28 +0100
From:   "Jason A. Donenfeld" <Jason@...c4.com>
To:     Tianjia Zhang <tianjia.zhang@...ux.alibaba.com>
Cc:     Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>,
        Gilad Ben-Yossef <gilad@...yossef.com>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        "Markku-Juhani O . Saarinen" <mjos@....fi>,
        Jussi Kivilinna <jussi.kivilinna@....fi>, x86@...nel.org,
        linux-crypto@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] crypto: sm4 - create SM4 library based on sm4
 generic code

>  lib/crypto/Kconfig   |   3 +
>  lib/crypto/Makefile  |   3 +
>  lib/crypto/sm4.c     | 184 +++++++++++++++++++++++++++++++++++++++++++

If this is only used by the crypto API, it does not belong in
lib/crypto. I understand you want fallback generic code for the SIMD
implementation, but we've generally done that in crypto/ when the use
case is only the crypto API. Can you move this to the right place?