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

[Michael Ellerman]

Guenter Roeck <linux at roeck-us.net> writes:
> 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.

Yeah fine by me. No one actually runs allmodconfig anyway.

cheers