Re: [patch] preempt: select PREEMPT_DYNAMIC under PREEMPTION instead of PREEMPT

From: Mike Galbraith
Date: Tue Feb 09 2021 - 11:50:22 EST


On Tue, 2021-02-09 at 17:19 +0100, Peter Zijlstra wrote:
> On Tue, Feb 09, 2021 at 05:13:15PM +0100, Peter Zijlstra wrote:
> > On Tue, Feb 09, 2021 at 05:05:14PM +0100, Mike Galbraith wrote:
> >
> > > ld: init/main.o: in function `trace_initcall_start':
> > > /backup/usr/local/src/kernel/linux-tip-rt/./include/trace/events/initcall.h:27: undefined reference to `__SCT__preempt_schedule_notrace'
> >
> > Ooohh... this is because x86 can't build PREEMPT without PREEMPT_DYNAMIC
> > anymore. Maybe I should fix that. Lemme see what that would take.
>
> Does this work?

Yup, worked fine.

-Mike