From: Chris Down <chris@chrisdown.name>
To: Matthew Wilcox <willy@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, Tony Luck <tony.luck@intel.com>,
Fenghua Yu <fenghua.yu@intel.com>,
linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org,
kernel-team@fb.com
Subject: Re: [PATCH] ia64: Depend on non-static printk for cmpxchg debug
Date: Fri, 26 Feb 2021 13:47:20 +0000 [thread overview]
Message-ID: <YDj76FjQCL7YgQq+@chrisdown.name> (raw)
In-Reply-To: <YDj0T7H4ZbuEAYwK@chrisdown.name>
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.
next prev parent reply other threads:[~2021-02-26 13:48 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-13 14:41 [PATCH] ia64: Depend on non-static printk for cmpxchg debug Chris Down
2021-02-26 12:47 ` Chris Down
2021-02-26 13:00 ` Matthew Wilcox
2021-02-26 13:14 ` Chris Down
2021-02-26 13:47 ` Chris Down [this message]
2021-02-26 13:50 ` Matthew Wilcox
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