linux-kernel - Re: [PATCH] arm: smp: remove unused variable

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Message-ID: <CAMuHMdWD-8YxdrTmaTW7YTOFj+8hHM5LvegnC274QOTOO_gXcg@mail.gmail.com>
Date:   Tue, 26 Jan 2021 11:04:47 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Wolfram Sang <wsa+renesas@...g-engineering.com>
Cc:     Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>,
        Russell King <linux@...linux.org.uk>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] arm: smp: remove unused variable

Hi Wolfram,

On Mon, Dec 28, 2020 at 1:03 PM Wolfram Sang
<wsa+renesas@...g-engineering.com> wrote:
> Not used anymore after refactoring:
>
> arch/arm/kernel/smp.c: In function ‘show_ipi_list’:
> arch/arm/kernel/smp.c:543:16: warning: variable ‘irq’ set but not used [-Wunused-but-set-variable]
>   543 |   unsigned int irq;
>
> Fixes: 88c637748e31 ("ARM: smp: Use irq_desc_kstat_cpu() in show_ipi_list()")
> Signed-off-by: Wolfram Sang <wsa+renesas@...g-engineering.com>
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: Marc Zyngier <maz@...nel.org>

Known issue since Dec 15, and still not fixed...

Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>

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