To: Magnus Damm <magnus@valinux.co.jp>
Cc: fastboot@lists.osdl.org, linux-kernel@vger.kernel.org,
       Andrew Morton <akpm@osdl.org>
Subject: Re: [Fastboot] [PATCH 01/03] kexec: Avoid overwriting the current
 pgd (V2, stubs)
References: <20060524044232.14219.68240.sendpatchset@cherry.local>
	<20060524044237.14219.15615.sendpatchset@cherry.local>
From: ebiederm@xmission.com (Eric W. Biederman)
Date: Wed, 24 May 2006 20:41:36 -0600
In-Reply-To: <20060524044237.14219.15615.sendpatchset@cherry.local> (Magnus
 Damm's message of "Wed, 24 May 2006 13:40:36 +0900 (JST)")
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Magnus Damm <magnus@valinux.co.jp> writes:

> --===============059810052910035161==
>
> kexec: Avoid overwriting the current pgd (V2, stubs)
>
> This patch adds an architecture specific structure "struct kimage_arch" to 
> struct kimage. This structure is filled in with members by the architecture
> specific patches followed by this one.

You should be able to completely remove the need for this by simply
adding a single additional external variable to the control code
page.  Given that you abuse this information and store way more
than you need I am not persuaded that it is an interesting case.

Eric
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