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From: "H. Peter Anvin" <hpa@linux.intel.com>
To: holzheu@linux.vnet.ibm.com
Cc: sam@ravnborg.org, tabbott@ksplice.com, vda.linux@googlemail.com,
	mmarek@suse.cz, akpm@linux-foundation.org,
	linux-kernel@vger.kernel.org, heiko.carstens@de.ibm.com,
	brueckner@linux.vnet.ibm.com, schwidefsky@de.ibm.com
Subject: Re: [PATCH] Fix initramfs size calculation
Date: Wed, 25 Aug 2010 13:10:14 -0700	[thread overview]
Message-ID: <4C7578A6.2080303@linux.intel.com> (raw)
In-Reply-To: <1282751832.3676.17.camel@holzheu-laptop>

On 08/25/2010 08:57 AM, Michael Holzheu wrote:
> Certain s390 instructions, especially instructions for loading addresses
> (larl) or branch addresses must be on even addresses. 

I have to admit to finding this fairly disturbing, as this is likely to
come up again and again.  Is there any way to tell gcc (e.g. with an
alignment attribute) that a particular symbol is not safe to be loaded
with larl?

	-hpa

  parent reply	other threads:[~2010-08-25 20:10 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-08-25 15:57 [PATCH] Fix initramfs size calculation Michael Holzheu
2010-08-25 18:06 ` Sam Ravnborg
2010-08-25 19:15   ` Hendrik Brueckner
2010-08-25 19:56     ` Sam Ravnborg
2010-08-26  8:55       ` Michael Holzheu
2010-08-26 11:41   ` [PATCH v2 0/2] initramfs: Cleanup and fix " Hendrik Brueckner
2010-08-26 11:41   ` [PATCH v2 1/2] initramfs: Generalize initramfs_data.xxx.S variants Hendrik Brueckner
2010-08-26 11:41   ` [PATCH v2 2/2] initramfs: Fix initramfs size calculation Hendrik Brueckner
2010-08-25 20:10 ` H. Peter Anvin [this message]
2010-08-26  8:46   ` [PATCH] " Michael Holzheu

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