linux-kernel - Re: [PATCH] cpumask: limit visibility of FORCE_NR

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Message-ID: <CAMuHMdWYnoYrCS=sa5F17RpE6MQdi+nOyo+n_6JydsYKfugn6g@mail.gmail.com>
Date:   Wed, 19 Oct 2022 21:42:43 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Yury Norov <yury.norov@...il.com>
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-kernel@...r.kernel.org,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        "Paul E . McKenney" <paulmck@...nel.org>,
        Vlastimil Babka <vbabka@...e.cz>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Valentin Schneider <vschneid@...hat.com>,
        Sander Vanheule <sander@...nheule.net>,
        Alexey Klimov <klimov.linux@...il.com>,
        Eric Biggers <ebiggers@...gle.com>
Subject: Re: [PATCH] cpumask: limit visibility of FORCE_NR_CPUS

Hi Yuri,

On Wed, Oct 19, 2022 at 8:25 PM Yury Norov <yury.norov@...il.com> wrote:
> On Wed, Oct 19, 2022 at 02:22:40PM +0300, Andy Shevchenko wrote:
> > On Tue, Oct 18, 2022 at 10:22:00PM -0700, Yury Norov wrote:
> > > In current form, FORCE_NR_CPUS is visible to all users building their
> > > kernels, even not experts. It is also set in allmodconfig or allyesconfig,
> > > which is not a correct behavior.
> >
> > Seems you forgot to update the commit message to explain the choise usage.
>
> OK, I'll fold-in something like this:
>
> The 'choice' and sudo config UNFORCE_NR_CPUS are used to ensure that

sudo?

> auto-generated configs that try to enable as much options as possible,
> like allmodconfig, don't enable FORCE_NR_CPUS.
>
> Is that what you mean?

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds