Messages in this thread | | | Date | Mon, 7 May 2007 19:56:48 +0900 | From | KAMEZAWA Hiroyuki <> | Subject | Re: [BUG] cpu-hotplug: Can't offline the CPU with naughty realtime processes |
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On Mon, 07 May 2007 19:10:05 +0900 Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com> wrote:
> kstopmachine is created, bound to the CPU1, and woken up here, but > this process can't start to run because reschedule doesn't occur on > CPU1. Hence CPU0 also be able to run because it's waiting completion > of CPU1's offline work. > Is this Bug ? It seems the system works as designed...
Hmm, adding stop_machine_run_interruptible() and using wait_for_completion_interruptible() instead of wait_for_completion() is O.K. ? Then we can stop cpu hot-unplug by signal. Is this okay for you ?
-Kame
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