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Date:	Thu, 24 Jul 2014 09:12:13 -0000
From:	skannan@...eaurora.org
To:	"Viresh Kumar" <viresh.kumar@...aro.org>
Cc:	"Saravana Kannan" <skannan@...eaurora.org>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	"Todd Poynor" <toddpoynor@...gle.com>,
	"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>
Subject: Re: [PATCH] cpufreq: Don't destroy/realloc policy/sysfs on
 hotplug/suspend


Viresh Kumar wrote:
> On 24 July 2014 08:32, Saravana Kannan <skannan@...eaurora.org> wrote:
>> Ok, I think I've figured this out. But one question. Is it possible to
>> physically remove one CPU in a bunch of "related cpus" without also
>> unplugging the rest? Put another way, can you unplug one core from a
>> cluster?
>
> Are we talking about doing this here:
>
> echo 0 > /sys/devices/system/cpu/cpuX/online      ??
>
> If yes, then what's the confusion all about? Yes we do it all the time.
>

No. That's why I said physically remove.

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