Messages in this thread | | | Date | Fri, 26 Feb 2021 13:47:20 +0000 | From | Chris Down <> | Subject | Re: [PATCH] ia64: Depend on non-static printk for cmpxchg debug |
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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@tiger.hpl.hp.com>, Dec 9 2002. No indication why it's extern, but it's been there since the dawn of ia64.
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