linux-kernel - Re: [PATCH 01/22] m68k/atari: Modernize printing of kernel messages

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Date:   Thu, 8 Dec 2016 13:22:35 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Finn Thain <fthain@...egraphics.com.au>
Cc:     Greg Ungerer <gerg@...ux-m68k.org>, Sam Creasey <sammy@...my.net>,
        Joshua Thompson <funaho@...ai.org>,
        linux-m68k <linux-m68k@...ts.linux-m68k.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 01/22] m68k/atari: Modernize printing of kernel messages

On Wed, Dec 7, 2016 at 11:36 PM, Finn Thain <fthain@...egraphics.com.au> wrote:
> On Wed, 7 Dec 2016, Geert Uytterhoeven wrote:
>>   - Convert from printk() to pr_*(),
>>   - Add missing continuations, to fix user-visible breakage,
>>   - Drop useless WARNING prefix,
>>   - Move trailing spaces to start of continuations.
>>
>> Fixes: 4bcc595ccd80decb ("printk: reinstate KERN_CONT for printing continuation lines")
>> Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>
>> ---
>>  arch/m68k/atari/atakeyb.c | 14 ++++++------
>>  arch/m68k/atari/config.c  | 56 +++++++++++++++++++++++------------------------
>>  2 files changed, 35 insertions(+), 35 deletions(-)
>>
>> diff --git a/arch/m68k/atari/atakeyb.c b/arch/m68k/atari/atakeyb.c
>> index 264db11268039329..37091898adb3d3b5 100644
>> --- a/arch/m68k/atari/atakeyb.c
>> +++ b/arch/m68k/atari/atakeyb.c
>> @@ -149,7 +149,7 @@ static irqreturn_t atari_keyboard_interrupt(int irq, void *dummy)
>>       if (acia_stat & ACIA_OVRN) {
>>               /* a very fast typist or a slow system, give a warning */
>>               /* ...happens often if interrupts were disabled for too long */
>> -             printk(KERN_DEBUG "Keyboard overrun\n");
>> +             pr_debug("Keyboard overrun\n");
>>               scancode = acia.key_data;
>>               if (ikbd_self_test)
>>                       /* During self test, don't do resyncing, just process the code */
>
> This is not equivalent (unless there is a DEBUG macro definition hinding
> in a header file somewhere). Since the changelog doesn't mention
> suppressing any output, perhaps you were deceived by the questionable API,
> as I have been in the past (see 16b9d870a0 and d61c5427f6).

This is an actual message people want to see in the kernel log, even
when not debugging?

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