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From: Peter Zijlstra <peterz@infradead.org>
To: "chengjian (D)" <cj.chengjian@huawei.com>
Cc: huawei.libin@huawei.com, xiexiuqi@huawei.com,
	yangyingliang@huawei.com, mingo@redhat.com,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] sched/fair: Use 'unsigned long' for group_shares,group_runnable
Date: Mon, 15 Apr 2019 17:25:49 +0200	[thread overview]
Message-ID: <20190415152549.GQ11158@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <eb7dede4-9668-9252-b95a-e20e313c5890@huawei.com>

On Mon, Apr 15, 2019 at 11:20:31PM +0800, chengjian (D) wrote:
> Hi, Peter
> 
> 
> On 2019/4/15 20:46, Peter Zijlstra wrote:
> 
> I write a demo about this, which I described it as overflow.

I'm not saying there's no overflow, I'm saying there's nothing UB about
it.

  reply	other threads:[~2019-04-15 15:25 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-13  3:32 Cheng Jian
2019-04-15 12:46 ` Peter Zijlstra
2019-04-15 15:20   ` chengjian (D)
2019-04-15 15:25     ` Peter Zijlstra [this message]
2019-04-15 15:50       ` chengjian (D)

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