linux-kernel - Re: [PATCH] bug.h: Work around GCC PR82365 in BUG()

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Date:   Tue, 19 Dec 2017 12:49:24 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Linux-Arch <linux-arch@...r.kernel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        linux-kbuild <linux-kbuild@...r.kernel.org>,
        Vineet Gupta <vgupta@...opsys.com>,
        Mikael Starvik <starvik@...s.com>,
        Jesper Nilsson <jesper.nilsson@...s.com>,
        Tony Luck <tony.luck@...el.com>,
        Fenghua Yu <fenghua.yu@...el.com>,
        "David S. Miller" <davem@...emloft.net>,
        Christopher Li <sparse@...isli.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Kees Cook <keescook@...omium.org>,
        Ingo Molnar <mingo@...nel.org>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Will Deacon <will.deacon@....com>,
        "Steven Rostedt (VMware)" <rostedt@...dmis.org>,
        Mark Rutland <mark.rutland@....com>,
        arcml <linux-snps-arc@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Cris <linux-cris-kernel@...s.com>, linux-ia64@...r.kernel.org,
        linux-m68k <linux-m68k@...ts.linux-m68k.org>,
        sparclinux <sparclinux@...r.kernel.org>,
        linux-sparse@...r.kernel.org
Subject: Re: [PATCH] bug.h: Work around GCC PR82365 in BUG()

Hi Arnd,

On Tue, Dec 19, 2017 at 12:39 PM, Arnd Bergmann <arnd@...db.de> wrote:
> The name barrier_before_unreachable() is a bit suboptimal here,
> as it fails to describe the fact that it is needed for both
> __builtin_unreachable() and for calling noreturn functions.  Any other
> suggestions would be welcome here.

/me joins bikeshedding...

barrier_before_noreturn()?
barrier_before_dead_end()?

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