From: Jeremy Fitzhardinge <jeremy@goop.org>
Subject: Re: [RFC PATCH 09/33] Add start-of-day setup hooks to subarch
Date: Tue, 18 Jul 2006 13:49:26 -0700
Message-ID: <44BD4956.5020706@goop.org>
References: <20060718091807.467468000@sous-sol.org>	 <20060718091950.750213000@sous-sol.org> <1153217033.3038.25.camel@laptopd505.fenrus.org>
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To: Arjan van de Ven <arjan@infradead.org>
Cc: Chris Wright <chrisw@sous-sol.org>, linux-kernel@vger.kernel.org, virtualization@lists.osdl.org, xen-devel@lists.xensource.com, Andi Kleen <ak@suse.de>, Andrew Morton <akpm@osdl.org>, Rusty Russell <rusty@rustcorp.com.au>, Zachary Amsden <zach@vmware.com>, Ian Pratt <ian.pratt@xensource.com>, Christian Limpach <Christian.Limpach@cl.cam.ac.uk>, Jeremy Fitzhardinge <jeremy@xensource.com>
List-Id: xen-devel@lists.xenproject.org

Arjan van de Ven wrote:
> what is this for? Isn't this 1) undocumented and 2) unclear and 3)
> ugly ? (I'm pretty sure the HAVE_ARCH_* stuff is highly deprecated for
> new things nowadays)
>   

It appears to be completely unnecessary.  Xen doesn't use 
sanitize_e820_map(), but there's no obvious harm in leaving it there 
(and it's init code, so there's no long-term cost).


    J