Re: [PATCH 0/2] Scheduler time extension

[Sebastian Andrzej Siewior]

On 2025-04-14 12:41:49 [-0400], Steven Rostedt wrote:
> On Fri, 11 Apr 2025 20:54:14 +0000
> Prakash Sangappa <prakash.sangappa@xxxxxxxxxx> wrote:
> 
> > > On Mar 22, 2025, at 3:14 AM, Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
> > > 
> > > On Tue, 18 Mar 2025 16:10:09 +0000
> > > Prakash Sangappa <prakash.sangappa@xxxxxxxxxx> wrote:
> > >   
> > >> How do we proceed on this feature? 
> > >> Are we leaning towards enabling this feature for SCHED_OTHER only under PREEMPT_LAZY?  
> > > 
> > > The merge window is about to open and I'm way behind in what needs to go in.
> > > 
> > > Let's continue this discussion after rc1 comes out.  
> > 
> > Can the API be finalized? We have an use case which will benefit from it. So like to see this feature
> > merged. 
> 
> I'm still not for SCHED_OTHER tasks being allowed to delay RT or deadline
> tasks, even for 5us. But if that's what Peter wants, I'm not going to nack
> it.

I tried to explain in
	https://lore.kernel.org/all/20250206150152.-5Fauhtm@xxxxxxxxxxxxx

that I don't see how this delay could work for PREEMPT_RT.

> Just keep it configurable so that it can be easily disabled, as I have no
> intentions of using it.

same here.

> -- Steve

Sebastian