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Subject: Re: [PATCH 14/24] msm: add hotplug stub functions
From: Daniel Walker <dwalker@codeaurora.org>
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Date: Thu, 02 Sep 2010 15:25:30 -0700
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To: Russell King - ARM Linux <linux@arm.linux.org.uk>
Cc: Jeff Ohlstein <johlstei@codeaurora.org>, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, David Brown <davidb@codeaurora.org>, Bryan Huntsman <bryanh@codeaurora.org>, Gregory Bean <gbean@codeaurora.org>, Stepan Moskovchenko <stepanm@codeaurora.org>, Abhijeet Dharmapurikar <adharmap@codeaurora.org>

On Thu, 2010-09-02 at 18:12 +0100, Russell King - ARM Linux wrote:
> 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@codeaurora.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

So every other SMP does this? I didn't see any other's besides RealView
implementing these. I just assumed they all had compile failures.

Daniel

-- 

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