Subject: Re: error: implicit declaration of function ‘rq_modified_clear’ (was [PATCH 5/5] sched: Rework sched_class::wakeup_preempt() and rq_modified_*())

From: Nathan Chancellor <[email-masked]>
Date: Mon, 15 Dec 2025 20:51:21 +0900

On Mon, Dec 15, 2025 at 08:12:13AM +0100, Ingo Molnar wrote:
> 
> * Thorsten Leemhuis <[email-masked]> wrote:
> 
> > On 11/27/25 16:39, Peter Zijlstra wrote:
> > > Change sched_class::wakeup_preempt() to also get called for
> > > cross-class wakeups, specifically those where the woken task is of a
> > > higher class than the previous highest class.
> >
> > I suspect you might be aware of this already, but this patch afaics
> > broke compilation of today's -next for me, as reverting fixed things.
> 
> Yeah, sorry about that, I fumbled a conflict resolution - should be
> fixed for tomorrow's -next.

It looks like you cleared up the rq_modified_clear() error but
rq_modified_above() is still present in kernel/sched/ext.c.

Cheers,
Nathan