From: Daniel Phillips <phillips@bonn-fries.net>
To: Linus Torvalds <torvalds@transmeta.com>,
Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Rusty Russell <rusty@rustcorp.com.au>, <mingo@elte.hu>,
Matthew Kirkwood <matthew@hairy.beasts.org>,
Benjamin LaHaise <bcrl@redhat.com>,
David Axmark <david@mysql.com>,
William Lee Irwin III <wli@holomorphy.com>,
<linux-kernel@vger.kernel.org>, Larry McVoy <lm@bitmover.com>
Subject: Re: [PATCH] Lightweight userspace semaphores...
Date: Sun, 24 Feb 2002 05:57:39 +0100 [thread overview]
Message-ID: <E16eqjD-0001QM-00@starship.berlin> (raw)
In-Reply-To: <Pine.LNX.4.33.0202251129480.8991-100000@penguin.transmeta.com>
In-Reply-To: <Pine.LNX.4.33.0202251129480.8991-100000@penguin.transmeta.com>
On February 25, 2002 08:31 pm, Linus Torvalds wrote:
> On Mon, 25 Feb 2002, Alan Cox wrote:
> > Ok I see where you are coming from now -- that makes sense for a few
> > cases.
>
> Note that the "few cases" in question imply _all_ of the current broken
> library spinlocks, for example.
>
> Don't think "POSIX semaphores", but think "fast locking" in the general
> case. I will bet you $1 in small change that most normal locking by far is
> for the kind of thread-safe stuff libc does right now.
This looks like another piece of the equation needed to make Larry's smp
cluster concept come true. So...
--
Daniel
next prev parent reply other threads:[~2002-02-26 4:06 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-02-23 3:47 Rusty Russell
2002-02-23 15:03 ` Ingo Molnar
2002-02-23 18:20 ` Linus Torvalds
2002-02-23 18:28 ` Larry McVoy
2002-02-23 20:31 ` Ingo Molnar
2002-02-23 21:22 ` Alan Cox
2002-02-26 16:09 ` Hubertus Franke
2002-02-24 23:29 ` Rusty Russell
2002-02-24 23:48 ` Linus Torvalds
2002-02-25 1:10 ` Rusty Russell
2002-02-25 1:23 ` Linus Torvalds
2002-02-25 13:14 ` Alan Cox
2002-02-25 16:11 ` Linus Torvalds
2002-02-25 16:39 ` Alan Cox
2002-02-25 16:32 ` Benjamin LaHaise
2002-02-25 17:42 ` Alan Cox
2002-02-25 18:23 ` Hubertus Franke
2002-02-25 20:57 ` Hubertus Franke
2002-02-25 17:06 ` Linus Torvalds
2002-02-25 17:31 ` Alan Cox
2002-02-25 17:20 ` Linus Torvalds
2002-02-25 17:50 ` Alan Cox
2002-02-25 17:44 ` Linus Torvalds
2002-02-25 18:06 ` Alan Cox
2002-02-25 19:31 ` Linus Torvalds
2002-02-24 4:57 ` Daniel Phillips [this message]
2002-02-25 19:51 ` Hubertus Franke
2002-02-26 12:15 ` [PATCH] 2.5.5 IDE clean 14 Martin Dalecki
2002-02-26 21:49 ` Keith Owens
2002-02-27 10:08 ` Martin Dalecki
2002-03-03 7:07 ` [PATCH] Lightweight userspace semaphores Rusty Russell
2002-03-01 4:56 ` Eric W. Biederman
2002-03-02 14:54 ` Pavel Machek
2002-02-25 15:00 ` Hubertus Franke
2002-03-01 4:44 ` Eric W. Biederman
2002-02-27 0:24 ` Rusty Russell
2002-02-27 15:53 ` Hubertus Franke
2002-03-01 0:24 ` Richard Henderson
2002-03-01 2:00 ` Hubertus Franke
2002-02-27 16:29 ` Hubertus Franke
2002-03-02 14:50 ` Hubertus Franke
2002-03-03 13:30 ` Rusty Russell
2002-03-04 16:51 ` Hubertus Franke
2002-03-05 4:41 ` Rusty Russell
2002-02-27 8:43 [PATCH] Lightweight userspace semphores Martin Wirth
2002-02-27 15:24 ` Hubertus Franke
2002-02-27 17:17 ` Martin Wirth
2002-02-27 19:04 ` Hubertus Franke
[not found] ` <3C7FDF76.9040903@dlr.de>
2002-03-02 14:08 ` [PATCH] Lightweight userspace semaphores Hubertus Franke
[not found] <20020227163834.GF322@reload.nmd.msu.ru>
2002-02-27 16:58 ` Hubertus Franke
[not found] ` <20020227173307.GH322@reload.nmd.msu.ru>
2002-02-27 22:09 ` Hubertus Franke
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