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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~

  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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