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Date: Thu, 6 Jun 2013 13:01:05 +1000
From: Anton Blanchard <anton@samba.org>
To: Michael Neuling <mikey@neuling.org>
Subject: Re: [PATCH 5/5] net: Block MSG_CMSG_COMPAT in send(m)msg and
 recv(m)msg
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Cc: netdev@vger.kernel.org, x86@kernel.org, linux-kernel@vger.kernel.org,
 Andy Lutomirski <luto@amacapital.net>, Linux PPC dev <linuxppc-dev@ozlabs.org>,
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Hi,

> This is causing a regression on 64bit powerpc with 32bit usermode.
> When I hit userspace, udev is broken and I suspect all networking is
> broken as well.
> 
> Can we please revert 1be374a0518a288147c6a7398792583200a67261
> upstream?
> 
> Found via bisect.

Doesn't this patch break compat_sys_sendmsg and compat_sys_recvmsg?
We'd need to move the guts of sys_* into compat_sys_* to fix it.

Anton