linux-kernel - Re: [PATCH 23/30] printk: kmsg_dump: Introduce helper to inform number of dumpers

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Message-ID: <YoJkpAp8XdS7ROgd@alley>
Date:   Mon, 16 May 2022 16:50:12 +0200
From:   Petr Mladek <pmladek@...e.com>
To:     "Guilherme G. Piccoli" <gpiccoli@...lia.com>
Cc:     Steven Rostedt <rostedt@...dmis.org>, akpm@...ux-foundation.org,
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Subject: Re: [PATCH 23/30] printk: kmsg_dump: Introduce helper to inform
 number of dumpers

On Wed 2022-05-11 17:03:51, Guilherme G. Piccoli wrote:
> On 10/05/2022 14:40, Steven Rostedt wrote:
> > On Wed, 27 Apr 2022 19:49:17 -0300
> > "Guilherme G. Piccoli" <gpiccoli@...lia.com> wrote:
> > 
> >> Currently we don't have a way to check if there are dumpers set,
> >> except counting the list members maybe. This patch introduces a very
> >> simple helper to provide this information, by just keeping track of
> >> registered/unregistered kmsg dumpers. It's going to be used on the
> >> panic path in the subsequent patch.
> > 
> > FYI, it is considered "bad form" to reference in the change log "this
> > patch". We know this is a patch. The change log should just talk about what
> > is being done. So can you reword your change logs (you do this is almost
> > every patch). Here's what I would reword the above to be:
> > 
> >  Currently we don't have a way to check if there are dumpers set, except
> >  perhaps by counting the list members. Introduce a very simple helper to
> >  provide this information, by just keeping track of registered/unregistered
> >  kmsg dumpers. This will simplify the refactoring of the panic path.
> 
> Thanks for the hint, you're right - it's almost in all of my patches.
> I'll reword all of them (except the ones already merged) to remove this
> "bad form".

Shame on me that I do not care that much about the style of the commit
message :-)

Anyway, the code looks good to me. With the better commit message:

Reviewed-by: Petr Mladek <pmladek@...e.com>

Best Regards,
Petr