Build failure in v4.4.y.queue (ppc:allmodconfig)

[Guenter Roeck]

On Fri, May 10, 2019 at 12:31:05AM +1000, Michael Ellerman wrote:
> Greg Kroah-Hartman <gregkh at linuxfoundation.org> writes:
> > On Wed, May 08, 2019 at 01:26:42PM -0700, Guenter Roeck wrote:
> >> I see multiple instances of:
> >> 
> >> arch/powerpc/kernel/exceptions-64s.S:839: Error:
> >> 	attempt to move .org backwards
> >> 
> >> in v4.4.y.queue (v4.4.179-143-gc4db218e9451).
> >> 
> >> This is due to commit 9b2d4e06d7f1 ("powerpc/64s: Add support for a store
> >> forwarding barrier at kernel entry/exit"), which is part of a large patch
> >> series and can not easily be reverted.
> >> 
> >> Guess I'll stop doing ppc:allmodconfig builds in v4.4.y ?
> >
> > Michael, I thought this patch series was supposed to fix ppc issues, not
> > add to them :)
> 
> Well it fixes some, but creates others :}
> 
> > Any ideas on what to do here?
> 
> Turning off CONFIG_CBE_RAS (obscure IBM Cell Blade RAS features) is
> sufficient to get it building. Is that an option for your build tests
> Guenter?
> 
I could turn it off unconditionally, meaning it would affect all other
branches. I would rather stop building ppc:allmodconfig for v4.4.y.

Guenter