linux-kernel - Re: [QUERY]: Is using CPU hotplug right for isolating CPUs?

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Message-ID: <CAKohponrix+rueH025A1z6r0iaqTpbXHEgdXMKUCm6fvKWAbvQ@mail.gmail.com>
Date:	Tue, 21 Jan 2014 15:20:29 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	Lei Wen <adrian.wenl@...il.com>
Cc:	Frederic Weisbecker <fweisbec@...il.com>,
	Kevin Hilman <khilman@...aro.org>,
	Lists linaro-kernel <linaro-kernel@...ts.linaro.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Linaro Networking <linaro-networking@...aro.org>,
	Tejun Heo <tj@...nel.org>
Subject: Re: [QUERY]: Is using CPU hotplug right for isolating CPUs?

On 21 January 2014 07:37, Lei Wen <adrian.wenl@...il.com> wrote:
> What is more, I also did  similiar test, and find when I set two such
> cpuset group,
> like core 0-2 to cpuset1, core 3 to cpuset2, while hotunplug the core3
> afterwise.
> I find the cpuset's cpus member becomes NULL even I hotplug the core3
> back again.
> So is it a bug?

I confirm the same :)
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