linux-kernel - Re: [PATCH 2/3] hwrng: cctrng

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Date:   Mon, 27 Apr 2020 10:19:28 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Hadar Gat <Hadar.Gat@....com>
Cc:     Ard Biesheuvel <ardb@...nel.org>, Matt Mackall <mpm@...enic.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Stefan Wahren <wahrenst@....net>,
        Zaibo Xu <xuzaibo@...wei.com>,
        Tomer Maimon <tmaimon77@...il.com>,
        Randy Dunlap <rdunlap@...radead.org>,
        Linux Crypto Mailing List <linux-crypto@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Gilad Ben-Yossef <gilad@...yossef.com>,
        Ofir Drang <Ofir.Drang@....com>, nd <nd@....com>
Subject: Re: [PATCH 2/3] hwrng: cctrng - change default to n

On Mon, Apr 27, 2020 at 9:26 AM Hadar Gat <Hadar.Gat@....com> wrote:
> > -----Original Message-----
> > From: Ard Biesheuvel <ardb@...nel.org>
> > > +       default n
> >
> > 'default n' is the default so you can just remove the line
>
> Is this a guideline or just optional?
> Personally I like things to be explicit and if allowed I prefer to keep this line.

It's a common convention, and we have had patches in the past that
mass-removed those lines. I'd also just leave it out. It is generally well
understood that all options default to 'n' unless specified otherwise.

        Arnd