[PATCH 00/12] scsi/NCR5380: fix debugging macros and #include structure

[Joe Perches]

On Tue, 2014-03-18 at 14:13 +0100, Geert Uytterhoeven wrote:
> > no_printk keeps all side effects like
> > performing any function calls made by the
> > statement or accessing any volatiles.
> That's true...
> > Using
> > do { if (0) no_printk(fmt, ##__VA_ARGS__); } while (0)
> > does not have any side-effects.
> ... but all current users in include/ have the side-effects.

I believe that's intentional, but <shrug>.

I prefer debug statements to have _no_
side effects when not compiled-in/enabled.

Opinions vary.

cheers, Joe