On Tue, 2013-06-25 at 10:38 -0700, Greg KH wrote:
> On Tue, Jun 25, 2013 at 10:29:50AM -0700, Joe Perches wrote:
> > a long needed extension to dev_dbg is to enable classes
> > of messages by level or mask.
> >
> > There are many existing macros like
> >
> > #define module_dbg(level, fmt, ...)
> > do {
> > if (level >= some_module_var)
> > debug_something(...);
> > } while (0)
> >
> > and
> >
> > #define module_dbg(mask, fmt, ...)
> > do {
> > if (mask & some_module_var)
> > debug_something(...)
> > } while (0)
> >
> > It'd be nice to consolidate those in dev_dbg
>
> I'd almost recommend that all of them just be removed, because most of
> them were only used for debugging the code the first time it was
> developed, right? Only for very limited usages would this type of thing
> be needed.
Maybe, though that's hard to know with certainty.
How often module options are used isn't easy to find out.
These forms are sometimes used to reduce object size.
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