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Date: Mon, 1 Sep 2014 21:05:34 +0200
From: Peter Zijlstra <peterz@infradead.org>
To: Mark Rutland <mark.rutland@arm.com>
Cc: linux-kernel@vger.kernel.org, Yan@leverpostej.cambridge.arm.com,
        Zheng <zheng.z.yan@intel.com>, Stephane Eranian <eranian@google.com>,
        Ingo Molnar <mingo@kernel.org>
Subject: Re: Possible race between CPU hotplug and perf_pmu_migrate_context
Message-ID: <20140901190534.GC5806@worktop.ger.corp.intel.com>
References: <20140901181808.GA6427@leverpostej>
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On Mon, Sep 01, 2014 at 07:18:08PM +0100, Mark Rutland wrote:
> Hi all,

> [   66.780759]  [<ffffffff8109dd33>] rcu_process_callbacks+0x1e3/0x540

> Has anything seen anything like this before? Is this a known issue?

I've not seen it reported.. sounds like 'fun' though.