linux-kernel - Re: [RFC PATCH 0/6] RISC-V BLAKE2s Vector implementation

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Date:   Thu, 14 Sep 2023 22:24:57 +0800
From:   Andy Chiu <andy.chiu@...ive.com>
To:     Conor Dooley <conor@...nel.org>
Cc:     Björn Töpel <bjorn@...nel.org>,
        Conor Dooley <conor.dooley@...rochip.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        linux-riscv@...ts.infradead.org,
        Greentime Hu <greentime.hu@...ive.com>,
        "Jason A . Donenfeld" <Jason@...c4.com>,
        Samuel Neves <sneves@....uc.pt>,
        Björn Töpel <bjorn@...osinc.com>,
        Heiko Stuebner <heiko@...ech.de>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 0/6] RISC-V BLAKE2s Vector implementation

On Thu, Sep 14, 2023 at 10:18 PM Conor Dooley <conor@...nel.org> wrote:
>
> On Thu, Sep 14, 2023 at 04:15:10PM +0200, Björn Töpel wrote:
> > Conor Dooley <conor.dooley@...rochip.com> writes:
> >
> > > On Thu, Sep 14, 2023 at 02:59:30PM +0200, Björn Töpel wrote:
> > >> Conor Dooley <conor.dooley@...rochip.com> writes:
> > >>
> > >> > On Tue, Sep 12, 2023 at 01:57:22PM +0200, Björn Töpel wrote:
> > >> >> From: Björn Töpel <bjorn@...osinc.com>
> > >> >>
> > >> >> Hi,
> > >> >>
> > >> >> This is Andy's kernel mode vector V2 series [1], with my BLAKE2s
> > >> >> AVX-512-to-RISC-V translation patch appended.
> > >> >>
> > >> >> I've tagged it as RFC, since Andy's series is still not in-tree yet.
> > >> >>
> > >> >> It's a first step towards a Vector aided Wireguard! ;-)
> > >> >
> > >> > This has the same problems as Andy's stuff & doesn't build properly for the
> > >> > automation. What is the plan between yourself and Andy for submitting a
> > >> > version of the in-kernel vector support that passes build testing?
> > >>
> > >> I'll synch up with Andy! I'm not even sure the blake2s patch should part
> > >> of the "in-kernel vector" series at all.

Hi, yes, I have a plan to fix it recently. Please expect a respin of
the kernel-mode vector in 1~2 weeks, if this doesn't seem too long to
you.

> > >
> > > The in-kernel vector stuff should come with a user, otherwise it's dead
> > > code :)
> >
> > Sure, just so we're on the same page; Patch 3 (Vector XOR) is a user
> > from my perspective, no?
>
> D'oh

Thanks,
Andy