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Date: Mon, 20 Jan 2014 17:00:20 +0530
Message-ID: <CAKohpond3wY25H_tsJQ9xs_D2dP2_wGGU5J8fBteyfB=7wmAdA@mail.gmail.com>
Subject: Re: [QUERY]: Is using CPU hotplug right for isolating CPUs?
From: Viresh Kumar <viresh.kumar@linaro.org>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: Frederic Weisbecker <fweisbec@gmail.com>,
        Peter Zijlstra <peterz@infradead.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Lists linaro-kernel <linaro-kernel@lists.linaro.org>,
        Steven Rostedt <rostedt@goodmis.org>,
        Linaro Networking <linaro-networking@linaro.org>
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Sender: linux-kernel-owner@vger.kernel.org

On 16 January 2014 15:16, Thomas Gleixner <tglx@linutronix.de> wrote:
> Just do the math.
>
>      max reload value / timer freq = max time span

Thanks.

> So:
>
>      0x7fffffff / 24MHz = 89.478485 sec
>
> Nothing to do here except to get rid of the requirement to arm the
> timer at all.

@Frederic: Any inputs on how to get rid of this timer here?
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