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Date: Fri, 2 Nov 2012 22:21:07 +0100
Message-ID: <CAFTL4hy+LkqBsuf7_eBg+cEPn7yTJx_imXsZ-hunF7Z_ZLBdog@mail.gmail.com>
Subject: Re: [PATCH tip/core/rcu 1/2] rcu: Add callback-free CPUs
From: Frederic Weisbecker <fweisbec@gmail.com>
To: paulmck@linux.vnet.ibm.com
Cc: linux-kernel@vger.kernel.org, mingo@elte.hu, laijs@cn.fujitsu.com,
        dipankar@in.ibm.com, akpm@linux-foundation.org,
        mathieu.desnoyers@polymtl.ca, josh@joshtriplett.org, niv@us.ibm.com,
        tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org,
        Valdis.Kletnieks@vt.edu, dhowells@redhat.com, edumazet@google.com,
        darren@dvhart.com, sbw@mit.edu, patches@linaro.org, joe.korty@ccur.com,
        "Paul E. McKenney" <paul.mckenney@linaro.org>
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2012/11/2 Paul E. McKenney <paulmck@linux.vnet.ibm.com>:
> The no-callbacks CPU would execute its own callbacks only if the
> corresponding kthread happened to be executing on that CPU.
> If you wanted a given CPU to be completely free of callbacks,
> you would instead constrain the corresponding kthread to run
> elsewhere.

Ah ok, makes sense.

Thanks.
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