From: Ingo Molnar <mingo@elte.hu>
To: "Paul E. McKenney" <paulmck@us.ibm.com>
Cc: linux-kernel@vger.kernel.org, karim@opersys.com,
Dimitri Sivanich <sivanich@sgi.com>
Subject: Re: [RFC][PATCH] Restricted hard realtime
Date: Sat, 23 Oct 2004 22:17:24 +0200 [thread overview]
Message-ID: <20041023201724.GA23936@elte.hu> (raw)
In-Reply-To: <20041023194721.GB1268@us.ibm.com>
* Paul E. McKenney <paulmck@us.ibm.com> wrote:
> + bool "Reserve a CPU for hard realtime processes"
this has been implemented in a clean way already: check out the
"isolcpus=" boot option & scheduler feature (implemented by Dimitri
Sivanich) which isolates a set of CPUs via sched-domains for precisely
such purposes. The way to enter such a domain is via the affinity
syscall - and balancing will leave such domains isolated.
ingo
next prev parent reply other threads:[~2004-10-23 20:17 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-23 19:47 [RFC][PATCH] Restricted hard realtime Paul E. McKenney
2004-10-23 20:17 ` Ingo Molnar [this message]
2004-10-23 20:29 ` Paul E. McKenney
2004-10-24 18:18 ` Paul E. McKenney
2004-10-25 12:26 ` Dimitri Sivanich
2004-10-23 20:22 ` Thomas Gleixner
2004-10-23 21:24 ` Paul E. McKenney
2004-10-23 22:06 ` Jon Masters
2004-10-24 15:32 ` Paul E. McKenney
2004-10-24 21:08 ` Jon Masters
2004-10-24 21:23 ` Ingo Molnar
2004-10-24 21:49 ` Jon Masters
2004-10-24 21:52 ` Paul E. McKenney
2004-10-27 3:16 ` Karim Yaghmour
2004-10-27 4:29 ` Andrew Morton
2004-10-27 8:10 ` Ingo Molnar
2004-10-28 11:59 ` Karim Yaghmour
2004-10-28 13:16 ` Ingo Molnar
2004-10-28 11:54 ` Karim Yaghmour
2004-10-28 13:04 ` john cooper
2004-10-27 22:35 ` Bill Huey
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