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Date: Tue, 17 Oct 2006 19:25:48 -0700 From: "Siddha, Suresh B" <suresh.b.siddha@...el.com> To: pj@....com, dino@...ibm.com, menage@...gle.com Cc: Simon.Derr@...l.net, linux-kernel@...r.kernel.org, mbligh@...gle.com, rohitseth@...gle.com, dipankar@...ibm.com, nickpiggin@...oo.com.au Subject: exclusive cpusets broken with cpu hotplug When ever a cpu hotplug happens, current kernel calls build_sched_domains() with cpu_online_map. That will destroy all the domain partitions(done by partition_sched_domains()) setup so far by exclusive cpusets. And its not just cpu hotplug, this happens even if someone changes multi core sched power savings policy. Anyone would like to fix it up? In the presence of cpusets, we basically need to traverse all the exclusive sets and setup the sched domains accordingly. If no one does :( then I will do that when I get some time... thanks, suresh - 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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