Am Freitag, 16. M?rz 2007 22:19 schrieb Thomas Gleixner: > On Fri, 2007-03-16 at 22:07 +0100, Hans-J?rgen Koch wrote: > > > > /* fan_voltage: 5=5V fan, 12=12V fan, 0=don't change */ > > > > static int fan_voltage = 0; > > > > /* prescaler: Possible values are 1,2,4,8,16, or 0 for don't change > > > > */ static int prescaler = 0; > > > > > > The trick is to _not_ initialize these variables at all. The compiler > > > will put them in a special section and will zero them all at once > > > automatically. > > > > Sounds dangerous. But I trust you :-) > > It's one of the things which actually work reliable in gcc :) > > tglx Fine, I'll remember that. But I think readability is better if you explicitly initialize to zero. Is that optimization really worth it? Hans
