On Sat, 12 Feb 2022 22:13:49 +1100, Michael Ellerman wrote:
> Our skiroot_defconfig doesn't enable FTRACE, and so doesn't get
> STACKTRACE enabled either. That leads to a build failure since commit
> 1614b2b11fab ("arch: Make ARCH_STACKWALK independent of STACKTRACE")
> made stacktrace.c build even when STACKTRACE=n.
>
> arch/powerpc/kernel/stacktrace.c: In function ‘handle_backtrace_ipi’:
> arch/powerpc/kernel/stacktrace.c:171:2: error: implicit declaration of
> function ‘nmi_cpu_backtrace’
> 171 | nmi_cpu_backtrace(regs);
> | ^~~~~~~~~~~~~~~~~
> arch/powerpc/kernel/stacktrace.c: In function
> ‘arch_trigger_cpumask_backtrace’:
> arch/powerpc/kernel/stacktrace.c:226:2: error: implicit declaration of
> function ‘nmi_trigger_cpumask_backtrace’
> 226 | nmi_trigger_cpumask_backtrace(mask, exclude_self,
> raise_backtrace_ipi);
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> [...]
Applied to powerpc/next.
[1/1] powerpc: Fix STACKTRACE=n build
https://git.kernel.org/powerpc/c/5a72345e6a78120368fcc841b570331b6c5a50da
cheers
