From mboxrd@z Thu Jan  1 00:00:00 1970
From: linux@arm.linux.org.uk (Russell King - ARM Linux)
Date: Fri, 3 Sep 2010 08:31:35 +0100
Subject: [PATCH 14/24] msm: add hotplug stub functions
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To: linux-arm-kernel@lists.infradead.org
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On Thu, Sep 02, 2010 at 03:36:40PM -0700, Daniel Walker wrote:
> If no others use it .. We can do this to fix them all. What do you
> think?

If no one else implements it, then you can't suspend, nor can you
support kexec.  (We should update Kconfig to add this as a dependency.)

So if you want these features, you'll need to implement hotplug CPU
support.