linux-kernel - Re: [PATCH net-next v6 04/23] zinc: ChaCha20 x86

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Message-ID: <CAHmME9oR4=ajV4jPaFrB9G93B3boT+fzY+0FxO5AaoT5rrsORQ@mail.gmail.com>
Date:   Tue, 2 Oct 2018 05:20:06 +0200
From:   "Jason A. Donenfeld" <Jason@...c4.com>
To:     Herbert Xu <herbert@...dor.apana.org.au>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Netdev <netdev@...r.kernel.org>,
        Linux Crypto Mailing List <linux-crypto@...r.kernel.org>,
        David Miller <davem@...emloft.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Samuel Neves <sneves@....uc.pt>,
        Andrew Lutomirski <luto@...nel.org>,
        Jean-Philippe Aumasson <jeanphilippe.aumasson@...il.com>,
        Andy Polyakov <appro@...nssl.org>,
        Thomas Gleixner <tglx@...utronix.de>, mingo@...hat.com,
        X86 ML <x86@...nel.org>
Subject: Re: [PATCH net-next v6 04/23] zinc: ChaCha20 x86_64 implementation

Hi Herbert,

On Tue, Oct 2, 2018 at 5:18 AM Herbert Xu <herbert@...dor.apana.org.au> wrote:
> > size    old     new
> > ----    ----    ----
> > 0       62      52
>
> What is the old column? Is it the existing x86-64 implementation
> in the kernel or something else? This needs to be made clear in the
> patch description.

Good idea. I'll make that more clear.

> The same comment from the previous patch also stands here.  Please
> ensure that we only have one copy of chacha x86-64 code in the kernel.
> Either replace the existing one right here or in a follow-up patch
> in the same series.

Yes indeed this happens within this same series.

Jason