Re: [PATCH RT 07/12] dump stack: dont disable preemption during trace

[Steven Rostedt]

On Sat, 27 Feb 2016 11:32:06 +0100
Sebastian Andrzej Siewior <sebastian@xxxxxxxxxxxxx> wrote:

> On 2016-02-26 16:32:42 [-0500], Steven Rostedt wrote:
> > 3.18.27-rt26-rc1 stable review patch.
> > If anyone has any objections, please let me know.  
> 
> Please merge this one along with "kernel: migrate_disable() do fastpath
> in atomic & irqs-off". Otherwise we might get recursive with lockdep and
> CPU-hotplug (if we go after hp->lock in pin_current_cpu()).

Interesting. When I pulled this patch into 4.1-rt, it caused the system
to lock up. I'm looking into it now.

-- Steve