linux-kernel - Re: [PATCH] sched: fix cpu utilization account error

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Message-ID: <51D22FDA.1020200@huawei.com>
Date:	Tue, 2 Jul 2013 09:41:46 +0800
From:	Xie XiuQi <xiexiuqi@...wei.com>
To:	Greg KH <gregkh@...uxfoundation.org>
CC:	Mike Galbraith <efault@....de>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Ingo Molnar <mingo@...e.hu>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Li Zefan <lizefan@...wei.com>,
	Zhang Hang <bob.zhanghang@...wei.com>,
	Li Bin <huawei.libin@...wei.com>
Subject: Re: [PATCH] sched: fix cpu utilization account error

On 2013/7/1 23:19, Greg KH wrote:
> On Mon, Jul 01, 2013 at 02:45:04PM +0800, Xie XiuQi wrote:
>> We setting clock_skip_update = 1 based on the assumption that the
>> next call to update_rq_clock() will come nearly immediately
>> after being set. However, it is not always true especially on
>> non-preempt mode. In this case we may miss some clock update, which
>> would cause an error curr->sum_exec_runtime account.
>>
...
> 
> <formletter>
> 
> This is not the correct way to submit patches for inclusion in the
> stable kernel tree.  Please read Documentation/stable_kernel_rules.txt
> for how to do this properly.

Thanks Greg,
I've removed stable@...r.kernel.org from recipient list now.

> 
> </formletter>
> 



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