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Date: Mon, 13 Nov 2017 17:54:34 +0100 (CET)
From: Thomas Gleixner <tglx@linutronix.de>
To: Zhenzhong Duan <zhenzhong.duan@oracle.com>
cc: mingo@kernel.org, fweisbec@gmail.com,
        Srinivas REDDY Eeda <srinivas.eeda@oracle.com>,
        Joe Jin <joe.jin@oracle.com>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] tick/broadcast: Remove redundant code in
 tick_check_new_device()
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On Wed, 8 Nov 2017, Zhenzhong Duan wrote:

> There is no way a timer used as broadcast clockevent device is also used as
> percpu tick clockevent device currently.

Correct.

> It's better to put related code in tick_install_broadcast_device(), but I feel
> it's harmless to give it back to the clockevents layer. Pls correct me if I'm
> wrong.

You already established, that it _cannot_ be the broadcast device and the
per cpu device at the same time. So that condition can never be true. What
do you want to put into tick_install_broadcast_device()? This second
paragraph doesn't make sense, unless I'm missing something.

Thanks,

	tglx