linux-kernel - Re: [PATCH] RT: Add priority-queuing and priority-inheritance to workqueue infrastructure

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Date:	Wed, 01 Aug 2007 08:10:25 -0700
From:	Daniel Walker <dwalker@...sta.com>
To:	Gregory Haskins <ghaskins@...ell.com>
Cc:	linux-rt-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] RT: Add priority-queuing and priority-inheritance to
	workqueue infrastructure

On Wed, 2007-08-01 at 07:59 -0400, Gregory Haskins wrote:
> On Tue, 2007-07-31 at 20:52 -0700, Daniel Walker wrote:
> 
> > 
> > Here's a simpler version .. uses the plist data structure instead of the
> > 100 queues, which makes for a cleaner patch ..
> 
> Hi Daniel,
> 
> I like your idea on the plist simplification a lot.  I will definitely
> roll that into my series.
> 
> I am not too psyched about using the rt_mutex_setprio() API directly,
> however.  It seems broken to be calling that directly from non rt_mutex
> code, IMHO.  Perhaps the PI subsystem should be broken out from the
> rt_mutex code so it can be used generally?  There are other areas where
> PI could potentially be used besides rt_mutex (this patch as a prime
> example), so this might make sense.

rt_mutex_setprio() is just a function. It was also designed specifically
for PI , so it seems fairly sane to use it in other PI type
situations ..

Daniel

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