Messages in this thread Patches in this message | | | Date | Mon, 3 Mar 2008 13:02:51 +0100 | From | "Dmitry Adamushko" <> | Subject | Re: [BUG 2.6.25-rc3] scheduler/hotplug: some processes are dealocked when cpu is set to offline |
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On 03/03/2008, Ingo Molnar <mingo@elte.hu> wrote: > > * Dmitry Adamushko <dmitry.adamushko@gmail.com> wrote: > > > per_cpu(watchdog_task, hotcpu) = NULL; > > + mlseep(1); > > > that wont build very well ...
yeah, I forgot to mention that it's not even compile-tested :-/ I re-created it from scratch instead of looking for the original one.
please, this one (again, not compile-tested)
--- softlockup-prev-2.c 2008-03-03 12:38:36.000000000 +0100 +++ softlockup.c 2008-03-03 13:00:20.000000000 +0100 @@ -294,6 +294,7 @@ cpu_callback(struct notifier_block *nfb, case CPU_DEAD_FROZEN: p = per_cpu(watchdog_task, hotcpu); per_cpu(watchdog_task, hotcpu) = NULL; + msleep(1); kthread_stop(p); break; #endif /* CONFIG_HOTPLUG_CPU */
-- Best regards, Dmitry Adamushko --- softlockup-prev-2.c 2008-03-03 12:38:36.000000000 +0100 +++ softlockup.c 2008-03-03 13:00:20.000000000 +0100 @@ -294,6 +294,7 @@ cpu_callback(struct notifier_block *nfb, case CPU_DEAD_FROZEN: p = per_cpu(watchdog_task, hotcpu); per_cpu(watchdog_task, hotcpu) = NULL; + msleep(1); kthread_stop(p); break; #endif /* CONFIG_HOTPLUG_CPU */ | |