Messages in this thread | | | Date | Thu, 26 Jan 2012 10:39:36 +0100 | From | Ingo Molnar <> | Subject | Re: [BUG] TASK_DEAD task is able to be woken up in special condition |
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* Peter Zijlstra <peterz@infradead.org> wrote:
> > It can generate delays at the exact same place, and can > > generate much longer delays than an SMI, if a high-prio RT > > task comes along. > > No it can't, since do_exit() plays silly games with > preempt_disable().
ok, it being a critical section on both -rt and vanilla upstream explains it.
Thanks,
Ingo
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