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Date: Fri, 16 Mar 2007 21:04:52 +0100
From: Olaf Hering <olaf@aepfle.de>
To: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Subject: Re: Don't pass the stack pointer to zImage's start() function
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On Fri, Mar 16, Josh Boyer wrote:

> How, why is that useful, and where is that ever used?

prom_init runs with the stack passed from the firmware (unless that
changed in since 2.6.13). Its better to know where the stack is when
looking at early boot bugreports.