[PATCH 14/24] msm: add hotplug stub functions

Daniel Walker dwalker at codeaurora.org
Thu Sep 2 18:25:30 EDT 2010


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 at 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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