linux-kernel - Re: [PATCH v2 0/6] bitops: let optimize out non-atomic bitops on compile-time constants

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Date:   Mon, 13 Jun 2022 17:22:30 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Alexander Lobakin <alexandr.lobakin@...el.com>
Cc:     Arnd Bergmann <arnd@...db.de>, Yury Norov <yury.norov@...il.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Mark Rutland <mark.rutland@....com>,
        Matt Turner <mattst88@...il.com>,
        Brian Cain <bcain@...cinc.com>,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Rich Felker <dalias@...c.org>,
        "David S. Miller" <davem@...emloft.net>,
        Kees Cook <keescook@...omium.org>,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        Marco Elver <elver@...gle.com>, Borislav Petkov <bp@...e.de>,
        Tony Luck <tony.luck@...el.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        alpha <linux-alpha@...r.kernel.org>,
        "open list:QUALCOMM HEXAGON..." <linux-hexagon@...r.kernel.org>,
        "linux-ia64@...r.kernel.org" <linux-ia64@...r.kernel.org>,
        linux-m68k <linux-m68k@...ts.linux-m68k.org>,
        Linux-sh list <linux-sh@...r.kernel.org>,
        sparclinux <sparclinux@...r.kernel.org>,
        Linux-Arch <linux-arch@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 0/6] bitops: let optimize out non-atomic bitops on
 compile-time constants

Hi Olek,

On Mon, Jun 13, 2022 at 4:28 PM Alexander Lobakin
<alexandr.lobakin@...el.com> wrote:
> From: Geert Uytterhoeven <geert@...ux-m68k.org>
> > On Fri, Jun 10, 2022 at 1:35 PM Alexander Lobakin
> > <alexandr.lobakin@...el.com> wrote:
> > On m68k, using gcc version 9.4.0 (Ubuntu 9.4.0-1ubuntu1~20.04), this
> > blows up immediately with:
>
> Yeah I saw the kernel bot report already, sorry for that >_< Fixed
> in v3 already, will send in 1-2 days.

Is it simple to fix?
I might be able to give the fixed v2 a try before that.
Thanks!

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