From: Ingo Molnar <mingo@elte.hu>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Mark Johnson <Mark_H_Johnson@RAYTHEON.COM>,
Amit Shah <amit.shah@codito.com>,
Karsten Wiese <annabellesgarden@yahoo.de>,
Bill Huey <bhuey@lnxw.com>, Adam Heath <doogie@debian.org>,
emann@mrv.com, Gunther Persoons <gunther_persoons@spymac.com>,
"K.R. Foley" <kr@cybsft.com>, LKML <linux-kernel@vger.kernel.org>,
Florian Schmidt <mista.tapas@gmx.net>,
Fernando Pablo Lopez-Lezcano <nando@ccrma.Stanford.EDU>,
Lee Revell <rlrevell@joe-job.com>,
Rui Nuno Capela <rncbc@rncbc.org>,
Shane Shrybman <shrybman@aei.ca>,
Esben Nielsen <simlo@phys.au.dk>,
Thomas Gleixner <tglx@linutronix.de>,
Michal Schmidt <xschmi00@stud.feec.vutbr.cz>
Subject: Re: [patch] Real-Time Preemption, -RT-2.6.10-rc2-mm3-V0.7.32-6
Date: Mon, 13 Dec 2004 23:31:53 +0100 [thread overview]
Message-ID: <20041213223153.GA6793@elte.hu> (raw)
In-Reply-To: <1102722147.3300.7.camel@localhost.localdomain>
* Steven Rostedt <rostedt@goodmis.org> wrote:
> [RFC] Has there been previously any thought of adding priority
> inheriting wait queues. [...]
this will make sense at a certain point.
> [...] it would really help to solve the problem of a high priority
> process waiting for an interrupt that can be starved by other high
> priority processes.
the primary use i think would be kernel-internal task <-> task
waitqueues such as the futex queues, to transport the effects of RT
priorities across waitqueues as well. IRQ related waitqueues are a nice
'side-effect'.
another next step would be to transport PI effects to userspace code,
for user-controlled synchronization objects such as futexes or e.g. SysV
semaphores.
Ingo
next prev parent reply other threads:[~2004-12-13 22:36 UTC|newest]
Thread overview: 72+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-12-09 18:10 [patch] Real-Time Preemption, -RT-2.6.10-rc2-mm3-V0.7.32-6 Mark_H_Johnson
2004-12-09 19:40 ` Ingo Molnar
2004-12-09 19:58 ` Ingo Molnar
2004-12-10 23:42 ` Steven Rostedt
2004-12-11 16:59 ` john cooper
2004-12-12 4:36 ` Steven Rostedt
2004-12-13 23:45 ` john cooper
2004-12-14 13:01 ` Steven Rostedt
2004-12-14 14:28 ` john cooper
2004-12-14 16:53 ` Steven Rostedt
2004-12-11 17:59 ` Esben Nielsen
2004-12-11 18:59 ` Steven Rostedt
2004-12-11 19:50 ` Esben Nielsen
2004-12-11 22:34 ` Steven Rostedt
2004-12-13 21:55 ` Bill Huey
2004-12-13 22:15 ` Steven Rostedt
2004-12-13 22:20 ` Ingo Molnar
2004-12-13 22:31 ` Ingo Molnar [this message]
-- strict thread matches above, loose matches on Subject: below --
2004-12-13 14:10 Mark_H_Johnson
2004-12-09 21:58 Mark_H_Johnson
2004-12-09 22:55 ` Ingo Molnar
2004-12-09 20:49 Mark_H_Johnson
2004-12-09 21:56 ` Ingo Molnar
2004-12-09 20:38 Mark_H_Johnson
2004-12-09 19:54 Mark_H_Johnson
2004-12-09 19:23 Mark_H_Johnson
2004-12-09 20:04 ` Ingo Molnar
2004-12-10 5:01 ` Bill Huey
2004-12-10 5:14 ` Steven Rostedt
2004-12-10 5:58 ` Bill Huey
2004-12-09 18:15 Mark_H_Johnson
2004-12-09 20:11 ` Ingo Molnar
2004-12-09 17:22 Mark_H_Johnson
2004-12-09 17:31 ` Ingo Molnar
2004-12-09 20:34 ` K.R. Foley
2004-12-09 22:06 ` Ingo Molnar
2004-12-09 23:16 ` K.R. Foley
2004-12-10 4:26 ` K.R. Foley
2004-12-10 11:22 ` Ingo Molnar
2004-12-10 15:26 ` K.R. Foley
2004-12-09 16:56 Mark_H_Johnson
2004-12-09 17:28 ` Ingo Molnar
2004-12-09 17:41 ` Ingo Molnar
2004-12-09 18:26 ` Ingo Molnar
2004-12-09 19:04 ` Esben Nielsen
2004-12-09 19:58 ` john cooper
2004-12-09 20:16 ` Lee Revell
2004-12-09 15:16 Mark_H_Johnson
2004-12-09 16:17 ` Florian Schmidt
2004-12-09 17:13 ` Ingo Molnar
2004-12-09 14:46 Mark_H_Johnson
2004-12-09 14:14 Mark_H_Johnson
2004-12-07 21:41 Mark_H_Johnson
2004-11-16 13:09 [patch] Real-Time Preemption, -RT-2.6.10-rc2-mm1-V0.7.27-1 Ingo Molnar
2004-11-16 13:40 ` [patch] Real-Time Preemption, -RT-2.6.10-rc2-mm1-V0.7.27-3 Ingo Molnar
2004-11-17 12:42 ` [patch] Real-Time Preemption, -RT-2.6.10-rc2-mm1-V0.7.28-0 Ingo Molnar
2004-11-18 12:35 ` [patch] Real-Time Preemption, -RT-2.6.10-rc2-mm1-V0.7.28-1 Ingo Molnar
2004-11-18 16:46 ` [patch] Real-Time Preemption, -RT-2.6.10-rc2-mm2-V0.7.29-0 Ingo Molnar
2004-11-22 0:54 ` [patch] Real-Time Preemption, -RT-2.6.10-rc2-mm2-V0.7.30-2 Ingo Molnar
2004-11-23 17:58 ` [patch] Real-Time Preemption, -RT-2.6.10-rc2-mm2-V0.7.30-9 Ingo Molnar
2004-11-24 10:16 ` [patch] Real-Time Preemption, -RT-2.6.10-rc2-mm2-V0.7.30-10 Ingo Molnar
2004-12-03 20:58 ` [patch] Real-Time Preemption, -RT-2.6.10-rc2-mm2-V0.7.32-0 Ingo Molnar
2004-12-07 13:29 ` [patch] Real-Time Preemption, -RT-2.6.10-rc2-mm3-V0.7.32-4 Ingo Molnar
2004-12-07 14:11 ` [patch] Real-Time Preemption, -RT-2.6.10-rc2-mm3-V0.7.32-6 Ingo Molnar
2004-12-08 4:31 ` K.R. Foley
2004-12-08 8:34 ` Ingo Molnar
2004-12-08 16:07 ` K.R. Foley
2004-12-08 16:18 ` Lee Revell
2004-12-08 16:52 ` K.R. Foley
2004-12-08 16:58 ` Lee Revell
2004-12-09 9:02 ` Ingo Molnar
2004-12-09 2:45 ` K.R. Foley
2004-12-09 12:11 ` Ingo Molnar
2004-12-09 14:50 ` K.R. Foley
2004-12-08 17:13 ` Steven Rostedt
2004-12-08 18:14 ` Rui Nuno Capela
2004-12-08 19:03 ` Steven Rostedt
2004-12-08 21:39 ` Rui Nuno Capela
2004-12-08 22:11 ` Steven Rostedt
2004-12-09 9:32 ` Ingo Molnar
2004-12-09 13:36 ` Steven Rostedt
2004-12-09 9:06 ` Ingo Molnar
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