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Date: Tue, 10 Dec 2013 06:53:16 -0800
From: Arjan van de Ven <arjan@linux.intel.com>
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To: Alex Shi <alex.shi@linaro.org>,
        Preeti U Murthy <preeti@linux.vnet.ibm.com>
CC: Daniel Lezcano <daniel.lezcano@linaro.org>,
        Frederic Weisbecker <fweisbec@gmail.com>,
        LAK <linux-arm-kernel@lists.infradead.org>,
        "tglx@linutronix.de" <tglx@linutronix.de>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "len.brown@intel.com" <len.brown@intel.com>,
        rafael.j.wysocki@intel.com
Subject: Re: questions of cpuidle
References: <52A5C846.30308@linaro.org> <52A5E135.2020500@linux.vnet.ibm.com> <52A6AFD1.4010002@linaro.org>
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On 12/9/2013 10:08 PM, Alex Shi wrote:
> And for monitor/mwait idle method, seems deep c-state cpu need to keep a
> eye on memory bus. So seems the memory controller in cpu package is
> impossible to get into sleep, right?
not the memory bus
the cache coherency logic ;-)