Re: tip.today - scheduler bam boom crash (cpu hotplug)

Peter Zijlstra
2017-01-19T17:20:59Z

On Thu, Jan 19, 2017 at 05:54:55PM +0100, Ingo Molnar wrote:
>
> * Peter Zijlstra <peterz@infradead.org> wrote:
>
> > On Thu, Jan 19, 2017 at 11:19:24AM +0100, Peter Zijlstra wrote:
> >
> > > I'll go have a prod. Thanks!
> >
> > This seems to cure it for me.
> >
> > ---
> > Subject: sched/clock: Fix hotplug issue
>
> JFYI:
>
> arch/x86/kernel/cpu/centaur.c: In function ‘early_init_centaur’:
> arch/x86/kernel/cpu/centaur.c:108:2: error: implicit declaration of function ‘clear_sched_clock_stable’ [-Werror=implicit-function-declaration]
>
> x86-64 defconfig-ish.

Duh.. that'd be a missing: #include <linux/sched.h>

Clearly that's not selected with the .config for the textbox ;-)