Re: [PATCH] cpufreq: Don't destroy/realloc policy/sysfs on hotplug/suspend

From: skannan
Date: Thu Jul 24 2014 - 05:12:23 EST



Viresh Kumar wrote:
> On 24 July 2014 08:32, Saravana Kannan <skannan@xxxxxxxxxxxxxx> 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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