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SubjectRe: [PATCH 7/9] sched: Add migrate_disable()
On Fri, Sep 25, 2020 at 06:50:47PM +0200, Sebastian Andrzej Siewior wrote:
> On 2020-09-21 18:36:04 [+0200], Peter Zijlstra wrote:
> > --- a/kernel/sched/core.c
> > +++ b/kernel/sched/core.c
> > @@ -1700,6 +1700,68 @@ void check_preempt_curr(struct rq *rq, s
> >
> > #ifdef CONFIG_SMP
> >
> > +#ifdef CONFIG_PREEMPT_RT
> …
> > +static inline bool is_migration_disabled(struct task_struct *p)
> > +{
> > + return p->migration_disabled;
> > +}
>
> Just a thought: having this with int as return type and defined in a
> header file then it could be used in check_preemption_disabled() and in
> the tracing output.

Yeah, I didn't want it in a header where world can access it and attempt
creative use :/

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