Re: [PATCH 00/11] rcu: Make rcu_core() safe in PREEMPT_RT with NOCB + a few other fixes

[Sebastian Andrzej Siewior]

On 2021-10-06 08:13:39 [-0700], Paul E. McKenney wrote:
> On Thu, Sep 30, 2021 at 12:10:01AM +0200, Frederic Weisbecker wrote:
> > PREEMPT_RT has made rcu_core() preemptible, making it unsafe against
> > concurrent NOCB (de-)offloading.
> > 
> > Thomas suggested to drop the local_lock() based solution and simply
> > check the offloaded state while context looks safe but that's not
> > enough. Here is a bit of rework.
> > 
> > git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git
> > 	rcu/rt
> > 
> > HEAD: aac1c58961446c731f2e989bd822ca1fd2659bad
> 
> Many of these look quite good, but any chance of getting an official
> Tested-by from someone in the -rt community?

I looked over the series, bootet the series and run a quick rcutorture
and didn't notice anything.

Tested-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>

> 							Thanx, Paul

Sebastian