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Date: Thu, 9 Feb 2017 11:11:26 +0100
From: Peter Zijlstra <peterz@infradead.org>
To: Mars Cheng <mars.cheng@mediatek.com>
Cc: Ingo Molnar <mingo@redhat.com>, CC Hwang <cc.hwang@mediatek.com>,
        Loda Chou <loda.chou@mediatek.com>,
        Miles Chen <miles.chen@mediatek.com>,
        Jades Shih <jades.shih@mediatek.com>,
        Yingjoe Chen <yingjoe.chen@mediatek.com>,
        My Chuang <my.chuang@mediatek.com>, linux-kernel@vger.kernel.org,
        wsd_upstream@mediatek.com
Subject: Re: [PATCH] perf/core: remove useless cast when comparing
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On Thu, Feb 09, 2017 at 04:25:46PM +0800, Mars Cheng wrote:
> since nr_cpu_ids and cpu are both int, remove the casting

Please as to learn C before playing. Consider negative numbers.