linux-kernel - Re: [PATCH 8 of 13] Add a bootparameter to reserve high linear address space for hypervisors

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Message-ID: <p73lkq7zvu3.fsf@verdi.suse.de>
Date:	02 Aug 2006 04:59:32 +0200
From:	Andi Kleen <ak@...e.de>
To:	Rusty Russell <rusty@...tcorp.com.au>
Cc:	virtualization@...ts.osdl.org, Andrew Morton <akpm@...l.org>,
	Ian Pratt <ian.pratt@...source.com>,
	Xen-devel <xen-devel@...ts.xensource.com>,
	Chris Wright <chrisw@...s-sol.org>,
	Christoph Lameter <clameter@....com>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	"Eric W. Biederman" <ebiederm@...ssion.com>
Subject: Re: [PATCH 8 of 13] Add a bootparameter to reserve high linear address space for hypervisors

Rusty Russell <rusty@...tcorp.com.au> writes:
> 
> I only implemented parse_early_param two years ago; maybe it is time for
> i386 to use it...

Problem is that it's too late. Some of the stuff is already needed
in setup_arch. You would need to move it before it first.

Unfortunately touching the order might cause very subtle problem
on other architectures - this tends to be fragile.

-Andi
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