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

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Message-ID: <20100902171253.GX26319@n2100.arm.linux.org.uk>
Date:	Thu, 2 Sep 2010 18:12:53 +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 09:49:37AM -0700, Daniel Walker wrote:
> On Thu, 2010-09-02 at 12:11 +0100, Russell King - ARM Linux wrote:
> > On Tue, Aug 24, 2010 at 09:57:43PM -0700, Jeff Ohlstein wrote:
> > > From: Daniel Walker <dwalker@...eaurora.org>
> > > 
> > > We don't actually do anything for hotplug yet. This just lets
> > > everything compile, even when hotplug is enabled.
> > 
> > And the point of that is?  If you're not supporting hotplug CPU yet, then
> > don't allow it to be enabled.
> 
> How do we do that? I didn't see a easy way to prevent it.


config HOTPLUG_CPU
        bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
        depends on SMP && HOTPLUG && EXPERIMENTAL
+	depends on !ARCH_MSM
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