From: "David S. Miller" <davem@redhat.com>
To: nigel@nrg.org
Cc: andrewm@uow.edu.au, linux-kernel@vger.kernel.org,
linux-audio-dev@ginette.musique.umontreal.ca
Subject: Re: [linux-audio-dev] low-latency scheduling patch for 2.4.0
Date: Thu, 11 Jan 2001 13:31:11 -0800 (PST) [thread overview]
Message-ID: <14942.9759.730641.804611@pizda.ninka.net> (raw)
In-Reply-To: <Pine.LNX.4.05.10101111233241.5936-100000@cosmic.nrg.org>
In-Reply-To: <200101110519.VAA02784@pizda.ninka.net> <Pine.LNX.4.05.10101111233241.5936-100000@cosmic.nrg.org>
Nigel Gamble writes:
> That's why MontaVista's kernel preemption patch uses sleeping mutex
> locks instead of spinlocks for the long held locks.
Anyone who uses sleeping mutex locks is asking for trouble. Priority
inversion is an issue I dearly hope we never have to deal with in the
Linux kernel, and sleeping SMP mutex locks lead to exactly this kind
of problem.
Later,
David S. Miller
davem@redhat.com
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next prev parent reply other threads:[~2001-01-11 21:31 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-01-11 11:30 Andrew Morton
2001-01-07 2:53 ` Andrew Morton
2001-01-11 3:12 ` [linux-audio-dev] " Jay Ts
2001-01-11 3:22 ` Cort Dougan
2001-01-11 12:38 ` Alan Cox
2001-01-11 5:19 ` David S. Miller
2001-01-11 13:57 ` Daniel Phillips
2001-01-11 20:55 ` Nigel Gamble
2001-01-12 13:30 ` Andrew Morton
2001-01-12 15:11 ` Tim Wright
2001-01-12 22:30 ` Nigel Gamble
2001-01-13 1:01 ` Andrew Morton
2001-01-15 19:46 ` Tim Wright
2001-01-12 22:46 ` Nigel Gamble
2001-01-12 23:08 ` george anzinger
2001-01-21 0:05 ` yodaiken
2001-01-22 0:54 ` Nigel Gamble
2001-01-22 1:49 ` Paul Barton-Davis
2001-01-22 2:21 ` Nigel Gamble
2001-01-22 3:31 ` J Sloan
2001-01-28 13:14 ` yodaiken
2001-01-28 14:07 ` Bill Huey
2001-01-28 14:26 ` Andrew Morton
2001-01-29 5:02 ` yodaiken
2001-01-28 14:19 ` Andrew Morton
2001-01-28 16:17 ` Joe deBlaquiere
2001-01-29 15:44 ` yodaiken
2001-01-29 17:23 ` Joe deBlaquiere
2001-01-29 17:38 ` yodaiken
2001-01-29 18:03 ` Joe deBlaquiere
2001-01-30 15:08 ` David Woodhouse
2001-01-30 15:44 ` Joe deBlaquiere
2001-01-30 16:29 ` Paul Davis
2001-01-30 16:35 ` David Woodhouse
2001-01-31 7:55 ` george anzinger
2001-01-30 16:19 ` David Woodhouse
2001-02-01 12:40 ` Pavel Machek
2001-02-01 22:33 ` David Woodhouse
2001-02-02 4:17 ` Joe deBlaquiere
2001-01-30 20:51 ` yodaiken
2001-01-30 21:00 ` David Woodhouse
2001-01-29 22:08 ` Pavel Machek
2001-01-29 22:31 ` Roger Larsson
2001-01-29 23:46 ` Joe deBlaquiere
2001-01-30 15:08 ` David Woodhouse
2001-01-11 21:31 ` David S. Miller [this message]
2001-01-15 5:27 ` george anzinger
2001-01-12 13:21 ` Andrew Morton
2001-01-14 11:35 ` Andrew Morton
2001-01-14 14:38 ` Gregory Maxwell
2001-01-15 10:59 ` Andrew Morton
2001-01-13 2:45 ` [linux-audio-dev] " Jay Ts
2001-01-21 0:10 ` yodaiken
2001-01-26 9:14 ` Pavel Machek
2001-01-13 18:11 ` video drivers hog pci bus ? [was:[linux-audio-dev] low-latency scheduling patch for 2.4.0] Jörn Nettingsmeier
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