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

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Message-ID: <CAKohpo=QrZBmFoWq0hBRBDUbP=AiyTRjnTtJ1R5q_r=dhBO3Og@mail.gmail.com>
Date:	Thu, 7 Aug 2014 16:21:13 +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 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..

--
viresh
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