From: Andi Kleen <ak@suse.de>
To: Andrew Morton <akpm@osdl.org>
Cc: jkenisto@us.ibm.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH - RFC] [1/2] 2.6 must-fix list - kernel error reporting
Date: 08 Jul 2003 21:14:04 +0200 [thread overview]
Message-ID: <p733chgrfur.fsf@oldwotan.suse.de> (raw)
In-Reply-To: <20030708105912.57015026.akpm@osdl.org.suse.lists.linux.kernel>
Andrew Morton <akpm@osdl.org> writes:
> The layout of `struct kern_log_entry' may be problematic. Think of the
> situation where a 64-bit kernel constructs one of these and sends it up to
> 32-bit userspace. Will the structure layout be the same under the 32-bit
> compiler as under the 64-bit one?
No it won't. Best is to order the fields by size (arrays ordered by their
subtype). This should always give compatible alignment.
-Andi
next parent reply other threads:[~2003-07-08 18:59 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <3F0AFFE6.E85FF283@us.ibm.com.suse.lists.linux.kernel>
[not found] ` <20030708105912.57015026.akpm@osdl.org.suse.lists.linux.kernel>
2003-07-08 19:14 ` Andi Kleen [this message]
2003-07-08 17:31 [PATCH - RFC] [1/2] 2.6 must-fix list - kernel error reporting Jim Keniston
2003-07-08 17:59 ` Andrew Morton
2003-07-08 19:22 ` Jim Keniston
2003-07-08 19:45 ` Jim Keniston
2003-07-10 4:42 ` James Morris
2003-07-10 19:08 ` Jim Keniston
2003-07-11 15:37 ` James Morris
2003-07-12 5:09 ` David S. Miller
2003-07-12 5:41 ` David S. Miller
2003-07-13 1:17 ` James Morris
2003-07-13 5:34 ` David S. Miller
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