From: Richard Henderson <rth@twiddle.net>
To: Hubertus Franke <frankeh@watson.ibm.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>,
torvalds@transmeta.com, matthew@hairy.beasts.org,
bcrl@redhat.com, david@mysql.com, wli@holomorphy.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Lightweight userspace semaphores...
Date: Thu, 28 Feb 2002 16:24:22 -0800 [thread overview]
Message-ID: <20020228162422.A947@twiddle.net> (raw)
In-Reply-To: <E16eT9h-0000kE-00@wagner.rustcorp.com.au> <20020225100025.A1163@elinux01.watson.ibm.com> <20020227112417.3a302d31.rusty@rustcorp.com.au> <20020227105311.C838@elinux01.watson.ibm.com>
In-Reply-To: <20020227105311.C838@elinux01.watson.ibm.com>; from frankeh@watson.ibm.com on Wed, Feb 27, 2002 at 10:53:11AM -0500
On Wed, Feb 27, 2002 at 10:53:11AM -0500, Hubertus Franke wrote:
> As stated above, I allocate a kernel object <kulock_t> on demand and
> hash it. This way I don't have to pin any user address. What does everybody
> think about the merit of this approach versus the pinning approach?
[...]
> In your case, can the lock be allocated at different
> virtual addresses in the various address spaces.
I think this is a relatively important feature. It may not be
possible to use the same virtual address in different processes.
r~
next prev parent reply other threads:[~2002-03-01 0:34 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-02-23 3:47 [PATCH] Lightweight userspace semaphores 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
2002-03-03 7:07 ` Rusty Russell
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
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
2002-03-01 4:56 ` [PATCH] Lightweight userspace semaphores Eric W. Biederman
2002-03-02 14:54 ` Pavel Machek
2002-02-25 15:00 ` Hubertus Franke
2002-02-27 0:24 ` Rusty Russell
2002-02-27 15:53 ` Hubertus Franke
2002-03-01 0:24 ` Richard Henderson [this message]
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
2002-03-01 4:44 ` Eric W. Biederman
-- strict thread matches above, loose matches on Subject: below --
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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