Re: linux-next: build failure after merge of the arm64 tree

From: Michael Ellerman
Date: Tue Aug 20 2019 - 03:27:50 EST


Will Deacon <will@xxxxxxxxxx> writes:
> Hi Michael,
>
> On Fri, Aug 16, 2019 at 02:52:40PM +1000, Michael Ellerman wrote:
>> Will Deacon <will@xxxxxxxxxx> writes:
>> > Although Alpha, Itanic and PowerPC all override NM, only PowerPC does it
>> > conditionally so I agree with you that passing '--synthetic' unconditionally
>> > would resolve the problem and is certainly my preferred approach if mpe is
>> > ok with it.
>>
>> I'd rather we keep passing --synthetic, otherwise there's the potential
>> that symbols go missing that were previously visible.
>
> Yup -- that was my suggestion above.
>
>> I think we can keep the new_nm check, but drop the dependency on
>> CONFIG_PPC64, and that will fix it. Worst case is we start passing
>> --synthetic on ppc32, but that's probably not a problem.
>>
>> This seems to fix it for me, and 32-bit builds fine.
>
> Brill, thanks for confirming!
>
>> Do you want me to send a proper patch for this, or do you want to squash
>> it into the original series?
>
> I'd prefer not to rebase the arm64 queue, so if you send this as a proper
> patch, please, then I can queue it on top before reverting the hack we
> currently have.

Cool, just sent a patch.

cheers