linux-kernel - Re: [PATCH 1/3] m68k/mac: Improve NMI handler

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Date:   Mon, 2 Jan 2017 11:29:40 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Finn Thain <fthain@...egraphics.com.au>
Cc:     "Linux/m68k" <linux-m68k@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/3] m68k/mac: Improve NMI handler

Hi Finn,

On Mon, Jan 2, 2017 at 10:53 AM, Finn Thain <fthain@...egraphics.com.au> wrote:
> mac_nmi_handler() is useless in its present form and locks up my PowerBook
> 180. Let's throw out the dead code and make it do something useful: print
> a register dump and a stack trace.
>
> mac_debug_handler() is also dead code. Remove it along with its static
> data.

Thanks for your patch!

> --- a/arch/m68k/mac/macints.c
> +++ b/arch/m68k/mac/macints.c
> @@ -127,12 +127,9 @@
>
>  #define SHUTUP_SONIC
>
> -/*
> - * console_loglevel determines NMI handler function
> - */
> +extern void show_registers(struct pt_regs *);

Seems like we do have a declaration in ... <linux/kprobes.h>.

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