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Date: Sun, 21 Aug 2005 05:47:36 -0400
From: Chuck Ebbert <76306.1226@compuserve.com>
Subject: Re: [patch 2.6.13-rc6] i386: semaphore ownership tracking
To: Lee Revell <rlrevell@joe-job.com>
Cc: linux-kernel@vger.kernel.org, torvalds@osdl.org, ak@suse.de, mingo@elte.hu,
       Andrew Morton <akpm@osdl.org>
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On Sat, 20 Aug 2005 15:01:27 -0400, Lee Revell wrote:

> How is it different from the ownership tracking used for PI in the -rt
> kernel?

 Those are a completely new type of mutex (rt_mutex.)  Mine is a very
low-overhead (3 extra instructions in down()) addition to the normal
Linux semaphores.  I guess they are called compat_semaphores in -rt,
and I didn't see any ownership tracking for them in the -rt patch.

__
Chuck