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Date: Tue, 1 Apr 2014 10:24:18 +0800 From: Yijing Wang <wangyijing@...wei.com> To: Sebastian Andrzej Siewior <bigeasy@...utronix.de> CC: Ingo Molnar <mingo@...nel.org>, Peter Zijlstra <peterz@...radead.org>, LKML <linux-kernel@...r.kernel.org>, <linux-rt-users@...r.kernel.org>, "Li Zefan" <lizefan@...wei.com>, Zhangwei <jovi.zhangwei@...wei.com> Subject: Re: [BUGREPORT] Tasklet scheduled issue in Linux 3.4.x-rt >> Because this patch does not exist in the latest Linus kernel, so I >> have not reported this issue to kernel bugzilla. > > This patch exists in all -RT releases up to 3.12. If there is an issue > with it, it should be solved. > > If the sched bit set is and you can't get lock later then the tasklet > has be to active. Finally, not getting the lock in the tasklet code > itself means it is still occupied by the "add-to-the-list" part which > actually can't happen according to the code. > You said, that you have an eight-way. Is this also NUMA? If so, does > this problem happen if you disable NUMA (i.e. run only one NUMA node > and use only the memory that is directly attached to the node). Hi Sebastian, The target platform is not NUMA, there is only one node. Thanks! Yijing. > > -- Thanks! Yijing -- 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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