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Date: Sat, 10 Jun 2017 08:25:31 +0200
From: Greg KH <gregkh@linuxfoundation.org>
To: David Miller <davem@davemloft.net>
Cc: linux@roeck-us.net, stable@vger.kernel.org, wbx@openadk.org
Subject: Re: sparc64 build failures in linux-4.4.y-stable-queue
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 <20170610.000102.817980872175758480.davem@davemloft.net>
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On Sat, Jun 10, 2017 at 12:01:02AM -0400, David Miller wrote:
> From: Guenter Roeck <linux@roeck-us.net>
> Date: Fri, 9 Jun 2017 15:34:46 -0700
> 
> > Hi Greg,
> > 
> > [ just in case 0day didn't report it yet ]
> > 
> > sparc64 builds fail in v4.4-stable-queue with
> > 
> > arch/sparc/lib/multi3.S:2:24: fatal error:
> > 	asm/export.h: No such file or directory
> > 
> > This is with v4.4.71-20-gff35505 when building any sparc64 image.
> > 
> > Culprit is "sparc64: Add __multi3 for gcc 7.x and later".
> > Presumably some context patch is missing. Copying the author
> > and Dave.
> 
> Greg, a backport to 4.4 needs to export the symbol via
> arch/sparc/kernel/sparc64_ksyms.c or whatever it used
> to be called when we couldn't export symbols via assembler.

Yeah, this is my fault, I'll work on it later today, and if I can't
figure it out, just drop it.  The number of sparc users on 4.4 is pretty
small, if non-existant :)

thanks,

greg k-h