Re: [PATCH 2/6] Staging: hv: hv.c Removed all DPRINT and debug - using pr_err now

Greg KH
2011-02-24T01:28:30Z

On Wed, Feb 23, 2011 at 04:57:29PM -0800, Joe Perches wrote:
> On Wed, 2011-02-23 at 23:17 +0000, Hank Janssen wrote:
> > > -----Original Message-----
> > > From: Greg KH [mailto:greg@kroah.com]
> > > Sent: Wednesday, February 23, 2011 1:57 PM
> > > They where compile and run tested. And syslog was not a mess. What did
> > > > I mess up here? The amount of printouts now are a fraction of what
> > > > they where before.
> > > You forgot to put '\n' at the end of all of your pr_XXX lines, so they will be
> > > merged with the next one, messing up your syslog. Joe also pointed this
> > > problem out.
> > > Take a look at your syslog to see what I am talking about...
>
> Greg, there probably isn't any problem with his syslog.
>
> Running together of messages without terminating newlines
> did used to happen though until commit
> 5fd29d6ccbc98884569d6f3105aeca70858b3e0f
> ("printk: clean up handling of log-levels and newlines")
> changed behavior so that newlines are emitted if necessary
> before every "<.>" loglevel but "<c>".
>
> That means that adding trailing newlines to pr_<level>
> calls aren't _really_ necessary unless the pr_<level>
> is followed by a bare printk without KERN_<LEVEL>.

Ah, I didn't realize that this had changed, my mistake, nevermind :)

> I still think it's better from a style perspective to keep
> adding terminating newlines until most all of the printks
> are converted to pr_<level>.

Yes, that would be good to have done.

thanks,

greg k-h