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Date: Fri, 28 Feb 2014 22:27:00 +0100
From: Peter Zijlstra <peterz@infradead.org>
To: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Steven Rostedt <rostedt@goodmis.org>,
        Vince Weaver <vincent.weaver@maine.edu>,
        "H. Peter Anvin" <hpa@zytor.com>,
        Linux Kernel <linux-kernel@vger.kernel.org>,
        Ingo Molnar <mingo@redhat.com>
Subject: Re: perf_fuzzer compiled for x32 causes reboot
Message-ID: <20140228212700.GH14089@laptop.programming.kicks-ass.net>
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On Fri, Feb 28, 2014 at 01:17:33PM -0800, Paul E. McKenney wrote:
> This code isn't running in idle context is it?  If so, RCU will happily
> free out from under it.  CONFIG_PROVE_RCU should detect this sort of thing,
> though.

Well, interrupts/NMIs can happen when idle, but the interrupt/NMI
entry code deals with the idle state AFAIK.