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Date: Sat, 26 May 2018 14:19:43 -0500
From: Segher Boessenkool <segher@kernel.crashing.org>
To: Paul Menzel <pmenzel+linuxppc-dev@molgen.mpg.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Paul Mackerras <paulus@samba.org>,
        Michael Ellerman <mpe@ellerman.id.au>, linuxppc-dev@lists.ozlabs.org,
        linux-kernel@vger.kernel.org
Subject: Re: arch/powerpc/kernel/head_32.S:1106: Error: missing operand
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On Sat, May 26, 2018 at 06:35:34AM +0200, Paul Menzel wrote:
> Building the configuration created with `make tinyconfig` on the Power 8 
> system IBM S822LC with Ubuntu 18.04 fails with the error below.

>   AS      arch/powerpc/kernel/head_32.o
> arch/powerpc/kernel/head_32.S: Assembler messages:
> arch/powerpc/kernel/head_32.S:1106: Error: missing operand

You are building a 32-bit kernel for a 64-bit machine.  This is not
supported, and as you found out, does not work.


Segher