From mboxrd@z Thu Jan  1 00:00:00 1970
From: viresh.kumar@linaro.org (Viresh Kumar)
Date: Thu, 24 Jul 2014 10:34:58 +0530
Subject: [PATCH] cpufreq: Don't destroy/realloc policy/sysfs on
 hotplug/suspend
In-Reply-To: <53D07737.70904@codeaurora.org>
References: <1404959850-11617-1-git-send-email-skannan@codeaurora.org>
 <16164926.ZsJxe6UV3e@vostro.rjw.lan>
 <53D07737.70904@codeaurora.org>
Message-ID: <CAKohpokynnTttD7Wbq8uBB4SXK9xFEBdRJ2ozhMQscyvq69xRw@mail.gmail.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On 24 July 2014 08:32, Saravana Kannan <skannan@codeaurora.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.