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From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Subject: Re: [OSADL QA 3.18.9-rt5 #1]
Date: Wed, 13 May 2015 10:12:36 +0200
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Cc: Carsten Emde <C.Emde@osadl.org>,
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To: Steven Rostedt <rostedt@goodmis.org>
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* Steven Rostedt | 2015-05-11 20:15:06 [-0400]:

>I'm backporting this to the stable releases, and I'm a bit worried
>about the above comment. The new Scheduler IPI code uses work queues and
>requires it to be done in a hard irq.

The IPI part is only done for the high-prio which is only used by NOHZ.
Everyone else gets in via softiq as we did it before.

>-- Steve

Sebastian