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From: Olaf Hering <olh@suse.de>
To: Andrew Morton <akpm@osdl.org>, Paul Mackerras <paulus@samba.org>,
	Anton Blanchard <anton@samba.org>,
	Stephen Rothwell <sfr@canb.auug.org.au>,
	linuxppc64-dev@ozlabs.org, linux-kernel@vger.kernel.org
Subject: Re: [PPC64] Remove another fixed address constraint
Date: Mon, 1 Aug 2005 08:29:29 +0200	[thread overview]
Message-ID: <20050801062929.GA22102@suse.de> (raw)
In-Reply-To: <20050725061635.GD19817@localhost.localdomain>

 On Mon, Jul 25, David Gibson wrote:

> Presently the LparMap, one of the structures the kernel shares with
> the legacy iSeries hypervisor has a fixed offset address in head.S.
> This patch changes this so the LparMap is a normally initialized
> structure, without fixed address.  This allows us to use macros to
> compute some of the values in the structure, which wasn't previously
> possible because the assembler always uses signed-% which gets the
> wrong answers for the computations in question.
> 
> Unfortunately, a gcc bug means that doing this requires another
> structure (hvReleaseData) to be initialized in asm instead of C, but
> on the whole the result is cleaner than before.

I think this change caused this compile error in rc4:

{standard input}: Assembler messages:
{standard input}:254: Error: value of 4000000000002080 too large for field of 4 bytes at 0000000000002108
make[1]: *** [arch/ppc64/kernel/LparData.o] Error 1

binutils-2.16.91.0.2
gcc-4.0.2_20050727


  reply	other threads:[~2005-08-01  6:29 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-07-25  6:16 [PPC64] Remove another fixed address constraint David Gibson
2005-08-01  6:29 ` Olaf Hering [this message]
2005-08-01  6:35   ` David Gibson
2005-08-01  6:45     ` Olaf Hering
2005-08-01  7:10       ` David Gibson

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