[PowerPC] 4.10.0 fails to build on BE config

[Michael Ellerman]

abdul <abdhalee at linux.vnet.ibm.com> writes:

> Hi,
>
> Today's mainline build, breaks on Power6 and Power7 (all BE config) with 
> these build errors
>
> arch/powerpc/kernel/time.c: In function ‘running_clock’:
> arch/powerpc/kernel/time.c:712:2: error: implicit declaration of 
> function ‘cputime_to_nsecs’ [-Werror=implicit-function-declaration]
> return local_clock() - 
> cputime_to_nsecs(kcpustat_this_cpu->cpustat[CPUTIME_STEAL]);
> ^
> cc1: some warnings being treated as errors
> make[1]: *** [arch/powerpc/kernel/time.o] Error 1

What exact config is that?

And what compiler are you using?

I build ~250 configs with two different compilers multiple times a day,
so I'm curious how we failed to notice this.

cheers