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Subject: Re: _machine removal breaks kexec?
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Haren Myneni <haren@us.ibm.com>
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Date: Tue, 04 Apr 2006 14:05:15 +0200
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> Basically, kexec-tools looks the platform property to determine whether 
> to read tce-base, tce-size and htab-* properties. The attached patch 
> find out the platform info based on /proc/device-tree/chosen/htab-base 
> property. Not tested yet.

You should just test if the properties exist ...

> Kumar,  kexec-tools completely depends on device-tree.  Not sure whether 
> the embedded system exports the device-tree.

With arch=powerpc, they do