On Wed, Sep 02, 2009 at 06:44:19PM +0200, Marco Stornelli wrote: > > > Marc Andre Tanner ha scritto: > > +#define printk(fmt, ...) ( > > \ > > Shouldn't it be an and?
Don't think so. If the expression isn't constant we are unable to filter it and therefore printk is called anyway. However if the expression is constant the second part of the condition is evaluated and we filter based on the verbosity level. > > + (!__builtin_constant_p(PRINTK_FILTER((fmt))) || PRINTK_FILTER((fmt))) ? > > \ > > + printk((fmt), ##__VA_ARGS__) : 0 > > \ > > +) > > + > > +#endif /* CONFIG_PRINTK_VERBOSITY */ > > + Marc -- Marc Andre Tanner >< http://www.brain-dump.org/ >< GPG key: CF7D56C0 -- To unsubscribe from this list: send the line "unsubscribe linux-embedded" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
