From: Ingo Molnar <mingo@elte.hu>
To: Oleg Nesterov <oleg@tv-sign.ru>
Cc: "Perez-Gonzalez, Inaky" <inaky.perez-gonzalez@intel.com>,
linux-kernel@vger.kernel.org, Daniel Walker <dwalker@mvista.com>
Subject: Re: [PATCH] Priority Lists for the RT mutex
Date: Mon, 9 May 2005 11:11:33 +0200 [thread overview]
Message-ID: <20050509091133.GA25959@elte.hu> (raw)
In-Reply-To: <427F1A99.58BCCB88@tv-sign.ru>
* Oleg Nesterov <oleg@tv-sign.ru> wrote:
> > i've uploaded my latest tree to:
> >
> > http://redhat.com/~mingo/realtime-preempt/
> >
>
> Ok, I'll try to do it. Do you have any comments/objections to
> "[RFC][PATCH] alternative implementation of Priority Lists", see
> http://marc.theaimsgroup.com/?l=linux-kernel&m=111547290706136
> ?
i havent reviewed them closely, but on the face of it the changes seem
plausible.
What would be nice to achieve are [low-cost] reductions of the size of
struct rt_mutex (in include/linux/rt_lock.h), upon which all other
PI-aware locking objects are based. Right now it's 9 words, of which
struct plist is 5 words. Would be nice to trim this to 8 words - which
would give a nice round size of 32 bytes on 32-bit.
Ingo
next prev parent reply other threads:[~2005-05-09 9:17 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-05-06 18:13 [PATCH] Priority Lists for the RT mutex Perez-Gonzalez, Inaky
2005-05-07 7:25 ` Oleg Nesterov
2005-05-09 7:30 ` Ingo Molnar
2005-05-09 8:08 ` Oleg Nesterov
2005-05-09 9:11 ` Ingo Molnar [this message]
2005-05-09 14:32 ` Oleg Nesterov
2005-05-09 18:13 ` Daniel Walker
2005-05-09 19:21 ` Steven Rostedt
2005-05-09 21:29 ` Daniel Walker
2005-05-09 22:15 ` Daniel Walker
2005-05-09 14:07 ` Daniel Walker
-- strict thread matches above, loose matches on Subject: below --
2005-05-06 9:05 Oleg Nesterov
2005-05-06 11:13 ` Oleg Nesterov
2005-05-06 18:56 ` Daniel Walker
2005-04-12 0:36 Perez-Gonzalez, Inaky
2005-04-11 23:28 Perez-Gonzalez, Inaky
2005-04-12 0:27 ` Bill Huey
2005-04-11 22:31 Perez-Gonzalez, Inaky
2005-04-11 23:11 ` Bill Huey
2005-04-11 9:03 Perez-Gonzalez, Inaky
2005-04-11 8:49 Perez-Gonzalez, Inaky
2005-04-11 8:57 ` Ingo Molnar
2005-04-11 22:17 ` Bill Huey
2005-04-12 20:35 ` Esben Nielsen
2005-04-11 8:27 Perez-Gonzalez, Inaky
2005-04-11 8:42 ` Ingo Molnar
2005-04-08 23:05 Perez-Gonzalez, Inaky
2005-04-08 21:25 Perez-Gonzalez, Inaky
2005-04-08 22:53 ` Daniel Walker
2005-04-07 17:52 Daniel Walker
2005-04-08 6:28 ` Ingo Molnar
2005-04-08 8:05 ` Sven-Thorsten Dietrich
2005-04-10 11:09 ` Ingo Molnar
2005-04-12 17:56 ` Daniel Walker
2005-04-08 17:11 ` Daniel Walker
2005-04-10 10:53 ` Ingo Molnar
2005-04-11 16:19 ` Daniel Walker
2005-04-12 18:37 ` Paul E. McKenney
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