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Re: RFC: Sentosa boot fix

To: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Subject: Re: RFC: Sentosa boot fix
From: Ralf Baechle <ralf@linux-mips.org>
Date: Tue, 30 Jan 2007 15:18:42 +0000
Cc: macro@linux-mips.org, dan@debian.org, vagabon.xyz@gmail.com, linux-mips@linux-mips.org
In-reply-to: <20070130.234537.126574565.anemo@mba.ocn.ne.jp>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <cda58cb80701290806p5d68ba5ck5e3e3b2b3490126f@mail.gmail.com> <20070129161450.GA3384@nevyn.them.org> <Pine.LNX.4.64N.0701291833480.26916@blysk.ds.pg.gda.pl> <20070130.234537.126574565.anemo@mba.ocn.ne.jp>
Sender: linux-mips-bounce@linux-mips.org
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On Tue, Jan 30, 2007 at 11:45:37PM +0900, Atsushi Nemoto wrote:

> On Mon, 29 Jan 2007 18:47:12 +0000 (GMT), "Maciej W. Rozycki" 
> <macro@linux-mips.org> wrote:
> >  I have BUILD_ELF64 enabled for my SWARM configuration and I do not plan 
> > to change it.  If there is a bug in the definition of __pa_page_offset() 
> > for such a setup it should be fixed indeed.
> 
> Though I do not object to remove "&& !defined(CONFIG_BUILD_ELF64)"
> from __pa_page_offset(), are there any point of CONFIG_BUILD_ELF64=y
> if your load address was CKSEG0?

Code in CKSEG0 allows shorter a shorter code sequence for address loads.
Yet some machines such as IP27 require 64-bit ELF for booting.

  Ralf

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