linux-kernel - Re: [PATCH -mm] tracing: Fix section mismatch in trace_hw

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Message-Id: <20090223010906.BD48.A69D9226@jp.fujitsu.com>
Date:	Mon, 23 Feb 2009 01:15:08 +0900 (JST)
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	Frederic Weisbecker <fweisbec@...il.com>
Cc:	kosaki.motohiro@...fujitsu.com,
	Rakib Mullick <rakib.mullick@...il.com>,
	Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>, markus.t.metzger@...il.com
Subject: Re: [PATCH -mm] tracing: Fix section mismatch in trace_hw_branches.c

> When I saw this patch, I searched the real purpose of __cpuinit and its
> real impact.
> But I didn't find any comments about it inside the kernel.

AFAIK, __cpuinit mean

if UP,                     __cpuinit == __init
if SMP=Y && HOTPLUG_CPU=y, __cpuinit == "" (do nothing)
if SMP=Y && HOTPLUG_CPU=n, __cpuinit == __init



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