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Date: Thu, 29 Aug 2013 10:12:48 -0400 From: Tejun Heo <tj@...nel.org> To: Libin <huawei.libin@...wei.com> Cc: akpm@...ux-foundation.org, viro@...iv.linux.org.uk, eparis@...hat.com, tglx@...utronix.de, rusty@...tcorp.com.au, ebiederm@...ssion.com, paulmck@...ux.vnet.ibm.com, john.stultz@...aro.org, mingo@...hat.com, peterz@...radead.org, gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org, lizefan@...wei.com, jovi.zhangwei@...wei.com, guohanjun@...wei.com, zhangdianfang@...wei.com, wangyijing@...wei.com Subject: Re: [PATCH 00/14] Fix bug about invalid wake up problem Hello, again. On Thu, Aug 29, 2013 at 10:08:13PM +0800, Libin wrote: ... > static void simulate_preempted(void) > { > schedule(); > } Gees... of course, your test code will stall. Preemption != schedule(). Please take a look at PREEMPT_ACTIVE handling in __schedule(). Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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