linux-kernel - Re: [PATCH v12 05/13] task_isolation: support CONFIG_TASK_ISOLATION

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Date:	Wed, 18 May 2016 15:35:29 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Chris Metcalf <cmetcalf@...lanox.com>
Cc:	Gilad Ben Yossef <giladb@...hip.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Ingo Molnar <mingo@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Rik van Riel <riel@...hat.com>, Tejun Heo <tj@...nel.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Christoph Lameter <cl@...ux.com>,
	Viresh Kumar <viresh.kumar@...aro.org>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	Andy Lutomirski <luto@...capital.net>,
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v12 05/13] task_isolation: support
 CONFIG_TASK_ISOLATION_ALL

On Tue, Apr 05, 2016 at 01:38:34PM -0400, Chris Metcalf wrote:
> This option, similar to NO_HZ_FULL_ALL, simplifies configuring
> a system to boot by default with all cores except the boot core
> running in task isolation mode.

Hurm, we still have that option? I thought we killed it, because random
people set it and 'complain' their system misbehaves.