Re: [PATCH tip/core/rcu 5/5] EXP: sched/cputime: Fix using smp_processor_id() in preemptible

From: Paul E. McKenney
Date: Mon Jul 24 2017 - 18:29:37 EST


On Tue, Jul 25, 2017 at 06:01:55AM +0800, Wanpeng Li wrote:
> 2017-07-25 5:58 GMT+08:00 Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>:
> > From: Wanpeng Li <wanpeng.li@xxxxxxxxxxx>
> >
> > BUG: using smp_processor_id() in preemptible [00000000] code: 99-trinity/181
>
> What's the meaning of EXP? Btw, the patch is in linus's tree currently.

The meaning of "EXP" is that I am not sure whether I am pushing it.
Which, since it is already in Linus's tree, I am not. I will drop it
when I rebase onto 4.13-rc2, but I will keep it until then given that
I get rcutorture failures without it.

Thanx, Paul