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Date: Tue, 1 Sep 2015 10:50:39 +0200
From: Markus Trippelsdorf <markus@trippelsdorf.de>
To: Ingo Molnar <mingo@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
        linux-kernel@vger.kernel.org, Peter Zijlstra <a.p.zijlstra@chello.nl>,
        Thomas Gleixner <tglx@linutronix.de>,
        Andrew Morton <akpm@linux-foundation.org>,
        Mike Galbraith <efault@gmx.de>
Subject: Re: [GIT PULL] scheduler changes for v4.3
Message-ID: <20150901085039.GC421@x4>
References: <20150831172453.GA5429@gmail.com>
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 <20150901072741.GB20383@gmail.com>
 <20150901074449.GB430@x4>
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On 2015.09.01 at 10:38 +0200, Ingo Molnar wrote:
> The one you posted cannot possibly build, because access to __stop_machine() is 
> gone from cpu.c:
> 
> kernel/cpu.c: In function ‘_cpu_down’:
> kernel/cpu.c:404:2: error: implicit declaration of function ‘__stop_machine’ [-Werror=implicit-function-declaration]
>   err = __stop_machine(take_cpu_down, &tcd_param, cpumask_of(cpu));

Just to clear this up: It did build on my machine because it wasn't
compiled at all (CONFIG_HOTPLUG_CPU is not set).

-- 
Markus