Subject: Re: [PATCH -RT] Add softirq waitqueue for CONFIG_PREEMPT_SOFTIRQ
	(was: Re: [ANNOUNCE] 2.6.15-rc5-hrt2 ...)
From: Daniel Walker <dwalker@mvista.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: tglx@linutronix.de, Ingo Molnar <mingo@elte.hu>,
       john stultz <johnstul@us.ibm.com>, LKML <linux-kernel@vger.kernel.org>
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Date: Wed, 14 Dec 2005 08:17:57 -0800
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On Wed, 2005-12-14 at 10:43 -0500, Steven Rostedt wrote:

> I really would like to add priority inheritance to waitqueues, so things
> like this can benefit from PI as well.
> 

I submitted a generic PI patch a while back, but the design was not that
great. It had callback functions for getting the lock owner , and for
signaling when changing priorities .. 

Here it is,
http://lkml.org/lkml/2005/5/31/288

I think it may be pretty trivial to add priority sorted waitqueues by
just adding a plist .

Daniel

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