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Subject: Re: [-next] ERROR: "epapr_hypercall_start"
 [drivers/tty/ehv_bytechan.ko] undefined!
From: Michael Ellerman <michael@ellerman.id.au>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Fri, 10 Aug 2012 18:58:58 +1000
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Cc: Linux-Next <linux-next@vger.kernel.org>, linuxppc-dev@lists.ozlabs.org,
 stuart.yoder@freescale.com, yu.liu@freescale.com,
 Timur Tabi <timur@freescale.com>
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On Fri, 2012-08-10 at 09:43 +0200, Geert Uytterhoeven wrote:
> Sicne a few days, powerpc allmodconfig fails with:
> 
> ERROR: "epapr_hypercall_start" [drivers/tty/ehv_bytechan.ko] undefined!
> make[2]: *** [__modpost] Error 1
> make[1]: *** [modules] Error 2
> 
> http://kisskb.ellerman.id.au/kisskb/buildresult/6883300/


Yep, modular build is broken.

Since this commit by the looks of it:

commit 6d2d82627f4f1e96a33664ace494fa363e0495cb
Author: Liu Yu-B13201 <Yu.Liu@freescale.com>
Date:   Tue Jul 3 05:48:56 2012 +0000

    PPC: Don't use hardcoded opcode for ePAPR hcall invocation
    
    Signed-off-by: Liu Yu <yu.liu@freescale.com>
    Signed-off-by: Stuart Yoder <stuart.yoder@freescale.com>
    Signed-off-by: Alexander Graf <agraf@suse.de>



cheers