Re: [PATCH] ia64: Depend on non-static printk for cmpxchg debug

[Chris Down]

Chris Down writes:
> I must confess I have no idea of the history of why it was `extern 
> int` in the first place -- my fear was somehow we use cmpxchg.h from a 
> different context.  Do you have any idea? :-)

Ok, found where it's introduced in the pre-git archives: "New file 
asm-ia64/intrinsics.h." from David Mosberger <davidm@xxxxxxxxxxxxxxxx>, Dec 9 
2002. No indication why it's extern, but it's been there since the dawn of 
ia64.