linux-kernel - Re: [PATCH 14/24] msm: add hotplug stub functions

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Message-ID: <20100903073135.GD26319@n2100.arm.linux.org.uk>
Date:	Fri, 3 Sep 2010 08:31:35 +0100
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Daniel Walker <dwalker@...eaurora.org>
Cc:	Jeff Ohlstein <johlstei@...eaurora.org>,
	linux-arm-msm@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	David Brown <davidb@...eaurora.org>,
	Bryan Huntsman <bryanh@...eaurora.org>,
	Gregory Bean <gbean@...eaurora.org>,
	Stepan Moskovchenko <stepanm@...eaurora.org>,
	Abhijeet Dharmapurikar <adharmap@...eaurora.org>
Subject: Re: [PATCH 14/24] msm: add hotplug stub functions

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.
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