linux-kernel - Re: CONFIG_NO_HZ_FULL + CONFIG_PREEMPT_RT

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Message-ID: <1383895880.4964.91.camel@marge.simpson.net>
Date:	Fri, 08 Nov 2013 08:31:20 +0100
From:	Mike Galbraith <bitbucket@...ine.de>
To:	paulmck@...ux.vnet.ibm.com
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Peter Zijlstra <peterz@...radead.org>,
	LKML <linux-kernel@...r.kernel.org>,
	RT <linux-rt-users@...r.kernel.org>
Subject: Re: CONFIG_NO_HZ_FULL + CONFIG_PREEMPT_RT_FULL = nogo

On Thu, 2013-11-07 at 19:23 -0800, Paul E. McKenney wrote:

> An untested patch that gets rid of the RCU_SOFTIRQs in this case is below.

Yup, toasted.

-Mike

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