linux-kernel - Re: [PATCH tip/core/rcu 5/5] EXP: sched/cputime: Fix using smp_processor

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Message-ID: <CANRm+CwVGNPZb=ZMeTVhA=tUZHAvwPEBGgTUo2-Gj8D6q69+XA@mail.gmail.com>
Date:   Tue, 25 Jul 2017 06:01:55 +0800
From:   Wanpeng Li <kernellwp@...il.com>
To:     "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Lai Jiangshan <jiangshanlai@...il.com>, dipankar@...ibm.com,
        Andrew Morton <akpm@...ux-foundation.org>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Josh Triplett <josh@...htriplett.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Steven Rostedt <rostedt@...dmis.org>, dhowells@...hat.com,
        Eric Dumazet <edumazet@...gle.com>,
        Frederic Weisbecker <fweisbec@...il.com>,
        Oleg Nesterov <oleg@...hat.com>,
        Wanpeng Li <wanpeng.li@...mail.com>,
        Luiz Capitulino <lcapitulino@...hat.com>,
        Rik van Riel <riel@...hat.com>
Subject: Re: [PATCH tip/core/rcu 5/5] EXP: sched/cputime: Fix using
 smp_processor_id() in preemptible

2017-07-25 5:58 GMT+08:00 Paul E. McKenney <paulmck@...ux.vnet.ibm.com>:
> From: Wanpeng Li <wanpeng.li@...mail.com>
>
>  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.

Regards,
Wanpeng Li