linux-kernel - Re: [PATCH 0/5] dev_<level> and dynamic

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Message-ID: <1346957026.13424.5.camel@joe2Laptop>
Date:	Thu, 06 Sep 2012 11:43:46 -0700
From:	Joe Perches <joe@...ches.com>
To:	Jason Baron <jbaron@...hat.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>, netdev@...r.kernel.org,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	"David S. Miller" <davem@...emloft.net>,
	Jim Cromie <jim.cromie@...il.com>, Kay Sievers <kay@...y.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/5] dev_<level> and dynamic_debug cleanups

On Thu, 2012-09-06 at 13:51 -0400, Jason Baron wrote:
> On Sun, Aug 26, 2012 at 04:25:25AM -0700, Joe Perches wrote:
> > The recent commit to fix dynamic_debug was a bit unclean.
> > Neaten the style for dynamic_debug.
> > Reduce the stack use of message logging that uses netdev_printk
> > Add utility functions dev_printk_emit and dev_vprintk_emit for /dev/kmsg.
> > 
> > Joe Perches (5):
> >   dev_dbg/dynamic_debug: Update to use printk_emit, optimize stack
> >   netdev_printk/dynamic_netdev_dbg: Directly call printk_emit
> >   netdev_printk/netif_printk: Remove a superfluous logging colon
> >   dev: Add dev_vprintk_emit and dev_printk_emit
> >   device and dynamic_debug: Use dev_vprintk_emit and dev_printk_emit
> > 
> 
> Looks Good.
> 
> The one thing that is bothering me though, is that for
> __dynamic_dev_dbg(), __dynamic_netdev_dbg(), we are copying much of the core
> logic of __dev_printk(), __netdev_printk(), respectively. I would prefer
> have this in one place. Can we add a 'prefix' argument to __dev_printk(),
> and __netdev_printk() that dynamic debug can use, but is simply empty
> for dev_printk() and netdev_printk().

I don't think that's an improvement actually.
Why don't you try it.

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