From: Ian Kent <raven@themaw.net>
To: Mikael Pettersson <mikpe@it.uu.se>
Cc: Pavel Emelyanov <xemul@openvz.org>,
autofs mailing list <autofs@linux.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Konstantin Khlebnikov <khlebnikov@openvz.org>
Subject: Re: [PATCH] autofs4: fix 32-bit userspace vs 64-bit kernel communications
Date: Thu, 12 Jun 2008 10:52:28 +0800 [thread overview]
Message-ID: <1213239148.4994.70.camel@raven.themaw.net> (raw)
In-Reply-To: <18511.57661.944934.513223@harpo.it.uu.se>
On Wed, 2008-06-11 at 16:29 +0200, Mikael Pettersson wrote:
> Ian Kent writes:
> > What about other arches offer 32-bit within a 64-bit environment (has
> > this been the case on sparc64 at some point)?
> > What about the compiler padding on these?
>
> Both ppc64 and sparc64 commonly have 32-bit userspaces.
> But 64-bit and mixed 32/64-bit userspaces are of course possible.
I believe that both these archs have the same alignment characteristics
a x86_64. Can anyone confirm that?
Ian
prev parent reply other threads:[~2008-06-12 2:56 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-11 9:54 [PATCH] autofs4: fix 32-bit userspace vs 64-bit kernel communications Pavel Emelyanov
2008-06-11 12:32 ` Ian Kent
2008-06-11 12:47 ` Pavel Emelyanov
2008-06-11 13:08 ` Ian Kent
2008-06-11 13:15 ` Ian Kent
2008-06-11 13:25 ` Pavel Emelyanov
2008-06-11 13:40 ` Ian Kent
2008-06-11 14:29 ` Mikael Pettersson
2008-06-12 2:52 ` Ian Kent [this message]
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