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From: Mike Galbraith <efault@gmx.de>
To: Trevor Brandt <tjbrandt@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
	Josh Triplett <josh@joshtriplett.org>,
	Eric Paris <eparis@redhat.com>,
	Fabio Estevam <fabio.estevam@freescale.com>,
	Ingo Molnar <mingo@elte.hu>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	Thomas Gleixner <tglx@linutronix.de>,
	Suresh Siddha <suresh.b.siddha@intel.com>,
	Glauber Costa <glommer@parallels.com>,
	Steven Rostedt <rostedt@goodmis.org>,
	Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>,
	linux-kernel@vger.kernel.org, team-fjord@googlegroups.com
Subject: Re: [PATCH] sched: Support compiling out real-time scheduling with REALTIME_SCHED.
Date: Wed, 15 Aug 2012 09:12:20 +0200	[thread overview]
Message-ID: <1345014740.4515.104.camel@marge.simpson.net> (raw)
In-Reply-To: <1344977423-28900-1-git-send-email-tjbrandt@gmail.com>

On Tue, 2012-08-14 at 13:50 -0700, Trevor Brandt wrote:

> diff --git a/init/Kconfig b/init/Kconfig
> index 3f42cd6..768dc76 100644
> --- a/init/Kconfig
> +++ b/init/Kconfig
> @@ -27,6 +27,13 @@ config IRQ_WORK
>  	bool
>  	depends on HAVE_IRQ_WORK
>  
> +config REALTIME_SCHED
> +	bool "Realtime Scheduler" if EXPERT
> +	default y
> +	help
> +	  This option enables support for the realtime scheduler and the
> +	  corresponding scheduling classes SCHED_FIFO and SCHED_RR.
> +
>  menu "General setup"
>  
>  config EXPERIMENTAL

If you inverted that, it could be a proper default n new feature [1].

However, if weight loss is the goal, why not go whole hog, and create
sched/thin.c containing no lard... or just integrate an existing thin
scheduler as a config option?  Whole body replacement is a very radical
diet, but somehow seems less so than chopping off fingers and toes.

-Mike

(that SMP could select to greatly simplify RT)


  reply	other threads:[~2012-08-15  7:12 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-14 20:50 [PATCH] sched: Support compiling out real-time scheduling with REALTIME_SCHED Trevor Brandt
2012-08-15  7:12 ` Mike Galbraith [this message]
2012-08-15 15:10   ` Josh Triplett
2012-08-16  4:30     ` Mike Galbraith
2012-08-15 15:14 ` Peter Zijlstra
2012-08-15 19:58   ` Steven Rostedt

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