Re: [PATCH net-next 2/2] net: ipv4 and ipv6: Convertprintk(KERN_DEBUG to pr_debug

From: Joe Perches
Date: Tue May 15 2012 - 21:49:45 EST


On Tue, 2012-05-15 at 18:35 -0700, Stephen Hemminger wrote:
> On Tue, 15 May 2012 17:11:54 -0700
> Joe Perches <joe@xxxxxxxxxxx> wrote:
>
> > Use the current debugging style and enable dynamic_debug.
> >
> > Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
>
> This changes the action of the system. By default:
> printk(KERN_DEBUG "foo\n");
> is enabled all the time and prints to log with debug level.
>
> But your version
> pr_debug("foo\n");
> defaults to being dropped until the system is built with dynamic
> debug, and that particular debug instance is enabled.
>
> Since these are all useful, but low priority messages, not I
> don't think disabling them by default is such a great idea now.

Just had that discussion with David Miller.

http://marc.info/?l=linux-sctp&m=133710673230503&w=2


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