linux-kernel - Re: [rfc patch-rt] posix_cpu_timers: Kill hotplug cpu notifier

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Message-ID: <1484935019.20890.20.camel@gmx.de>
Date:   Fri, 20 Jan 2017 18:56:59 +0100
From:   Mike Galbraith <efault@....de>
To:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        LKML <linux-kernel@...r.kernel.org>,
        linux-rt-users <linux-rt-users@...r.kernel.org>,
        Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [rfc patch-rt] posix_cpu_timers: Kill hotplug cpu notifier

On Fri, 2017-01-20 at 18:34 +0100, Sebastian Andrzej Siewior wrote:
> On 2017-01-20 18:29:54 [+0100], Mike Galbraith wrote:
> > On Fri, 2017-01-20 at 17:46 +0100, Sebastian Andrzej Siewior wrote:
> > > On 2016-12-26 08:00:54 [+0100], Mike Galbraith wrote:
> > > > Shamelessly steal softirq.c thread initialization method.
> > > What is the problem here?
> > 
> > There is no problem in 4.9.  I did that for upstream, thought it might 
> > save someone a minute or two.
> 
> I see. The subject says RT so I assumed it is somehow RT related. But as
> of now we should have this hotplug notifier removed, right?

Yeah, RT only, it adds the thread and soon to be obsolete hotplug bits.

patches/0101-posix-timers-Thread-posix-cpu-timers-on-rt.patch

	-Mike