linux-kernel - arch/powerpc/kernel/head_32.S:1106: Error: missing operand

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Message-ID: <e015d6b2-79b8-e05d-5053-5ca0036679d3@molgen.mpg.de>
Date:   Sat, 26 May 2018 06:35:34 +0200
From:   Paul Menzel <pmenzel+linuxppc-dev@...gen.mpg.de>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: arch/powerpc/kernel/head_32.S:1106: Error: missing operand

Dear Linux folks,


Building the configuration created with `make tinyconfig` on the Power 8 
system IBM S822LC with Ubuntu 18.04 fails with the error below.

```
$ git describe --dirty
v4.17-rc6-296-gbc2dbc5420e8
$ git log --oneline -1
bc2dbc5420e8 (HEAD -> master, origin/master, origin/HEAD) Merge branch 
'akpm' (patches from Andrew)
$ make tinyconfig
$ make -j120
[…]
   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
scripts/Makefile.build:413: recipe for target 
'arch/powerpc/kernel/head_32.o' failed
make[1]: *** [arch/powerpc/kernel/head_32.o] Error 1
[…]
```

Is this expected? *ppc64_defconfig* and *ppc64e_defconfig* build fine.


Kind regards,

Paul