Re: [PATCH 3/4] gcov: add gcov profiling infrastructure

[Michael Ellerman]

On Tue, 2009-06-02 at 15:03 -0700, Andrew Morton wrote:
> On Tue, 02 Jun 2009 13:44:02 +0200
> Peter Oberparleiter <oberpar@xxxxxxxxxxxxxxxxxx> wrote:

> > +void __gcov_init(struct gcov_info *info)
> > +{
> > +	static unsigned int gcov_version;
> > +
> > +	mutex_lock(&gcov_lock);
> > +	if (gcov_version == 0) {
> > +		gcov_version = info->version;
> > +		/*
> > +		 * Printing gcc's version magic may prove useful for debugging
> > +		 * incompatibility reports.
> > +		 */
> > +		pr_info("version magic: 0x%x\n", gcov_version);
> 
> Will this be spat out as simply
> 
> version magic: 0x1234
> 
> ?  If so, that'll be rather obscure because people won't know what
> subsystem printed it.  Prefixing this (and all other printks) with
> "gcov: " would fix that.

Great minds think alike, see a few lines above:

+#define pr_fmt(fmt)	"gcov: " fmt

cheers

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