linux-kernel - Re: [PATCH v4 3/5] cpufreq: Don't destroy/realloc policy/sysfs on hotplug/suspend

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Message-ID: <CAKohpokBE=r0oxF9Y-Cmu2HuLHnwKV4w+kFays=WY8TwD93oFw@mail.gmail.com>
Date:	Tue, 12 Aug 2014 14:47:43 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	"Rafael J. Wysocki" <rjw@...ysocki.net>
Cc:	Saravana Kannan <skannan@...eaurora.org>,
	Todd Poynor <toddpoynor@...gle.com>,
	"Srivatsa S . Bhat" <srivatsa@....edu>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Stephen Boyd <sboyd@...eaurora.org>
Subject: Re: [PATCH v4 3/5] cpufreq: Don't destroy/realloc policy/sysfs on hotplug/suspend

On 7 August 2014 16:21, Viresh Kumar <viresh.kumar@...aro.org> wrote:
> On 1 August 2014 03:26, Rafael J. Wysocki <rjw@...ysocki.net> wrote:
>> I'm still quite unsure how this is going to work with the real CPU hot-remove
>> that makes the entire sysfs cpu directories go away.  Can you please explain
>> that?
>
> I have little less knowledge on this kind of hotplugs, can you please enlighten
> me with some info about this?
>
> Are we talking about big servers which are actually a combination of multiple
> motherboards (with SoC's), and any motherboard can be plugged out at
> run time. Obviously a single kernel would be running for all these motherboards.
>
> I don't know if we already support that.. Sorry for my lack of
> knowledge on this..

Ping!!
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