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Hi Anton,

On Thu, 6 Jun 2013 13:01:05 +1000 Anton Blanchard <anton@xxxxxxxxx> wrote:
>
> > 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.

What you really need is a set of common functions that the sys_ and
compat_sys_ functions can call - with the sys_ funtions forbidding
MSG_CMSG_COMPAT and the compat_sys_ functions setting it.

-- 
Cheers,
Stephen Rothwell                    sfr@xxxxxxxxxxxxxxxx
http://www.canb.auug.org.au/~sfr/

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