Re: [RFC PATCH] sysfs: Add /sys/kernel/realtime entry

Sebastian Andrzej Siewior <[email protected]> Thu, 16 Jul 2026 15:02:16 +0200
Newsgroups org.kernel.vger.linux-rt-users,dev.linux.lists.driver-core,dev.linux.lists.linux-rt-devel
Message-ID <[email protected]>
On 2026-07-15 12:18:21 [-0500], Clark Williams wrote:
> > Clark, what is the status on your end?
> > 
> 
> I still carry it in v6.1-rt and v6.6-rt and don't really see a reason
> not to. I don't believe it's a security risk since a write to
> /sys/kernel/realtime gets ignored; it's just there to say that this is a
> PREEMPT_RT kernel. 
> 
> So, I'm ambivalent on the keep or drop question. I'll go ahead and clean
> up what I'm carrying in v6.1-rt and v6.6-rt and if we decide to keep it
> I'll send you the updated changes. 

I'm not suggesting to drop it from existing stable trees. It is just, if
there is no wider audience asking for it and reasoning why, I will drop
it from my queue and not submit it upstream. I just don't want do it
quietly.

In
	https://lore.kernel.org/all/ak_GDsJS6kVoUM2f@lysander/

you mentioned that it was needed in the past. If that requirement is
gone and everyone can live without it, I see no reason to pursue it ;)

> Clark
> 

Sebastian