From: Lee Revell <rlrevell@joe-job.com>
To: "Patrik Hägglund" <patrik.hagglund@bredband.net>
Cc: linux-kernel@vger.kernel.org,
Steven Rostedt <rostedt@goodmis.org>,
Chris Friesen <cfriesen@nortel.com>
Subject: Re: SCHED_RR/SCHED_FIFO and kernel threads?
Date: Tue, 21 Jun 2005 20:13:57 -0400 [thread overview]
Message-ID: <1119399237.9814.15.camel@mindpipe> (raw)
In-Reply-To: <42B89227.6050501@bredband.net>
On Wed, 2005-06-22 at 00:18 +0200, Patrik Hägglund wrote:
> The only clean solution is probably to have priorities that are
> exclusively reserved for use by the kernel. I saw that kernel threads
> in LynxOS may use a priority of 1/2 above of the user-space tasks it
> serves. This seems like a good solution to the problem.
No, it's not, because some SCHED_FIFO/SCHED_RR threads do not need any
kernel services, and are perfectly happy with stalling the rest of the
kernel until they're done.
Lee
next prev parent reply other threads:[~2005-06-22 0:22 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-16 15:25 SCHED_RR/SCHED_FIFO and kernel threads? Patrik Hägglund
2005-06-16 15:48 ` Chris Friesen
2005-06-17 6:38 ` Patrik Hägglund
2005-06-17 12:37 ` Steven Rostedt
2005-06-18 8:14 ` Patrik Hägglund
2005-06-21 22:15 ` Patrik Hägglund
2005-06-21 22:18 ` Patrik Hägglund
2005-06-22 0:13 ` Lee Revell [this message]
2005-06-16 16:01 ` Lee Revell
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