linux-kernel - Re: [PATCH] autofs4: fix 32-bit userspace vs 64-bit kernel communications

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Message-ID: <18511.57661.944934.513223@harpo.it.uu.se>
Date:	Wed, 11 Jun 2008 16:29:17 +0200
From:	Mikael Pettersson <mikpe@...uu.se>
To:	Ian Kent <raven@...maw.net>
Cc:	Pavel Emelyanov <xemul@...nvz.org>,
	autofs mailing list <autofs@...ux.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Konstantin Khlebnikov <khlebnikov@...nvz.org>
Subject: Re: [PATCH] autofs4: fix 32-bit userspace vs 64-bit
	kernel	communications

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.
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