All of lore.kernel.org
 help / color / mirror / Atom feed
From: Mathieu Desnoyers <compudj@krystal.dyndns.org>
To: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
	ltt-dev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [RFC git tree] Userspace RCU (urcu) for Linux
Date: Thu, 5 Feb 2009 22:05:43 -0500	[thread overview]
Message-ID: <20090206030543.GB8560@Krystal> (raw)

Hi Paul,

I figured out I needed some userspace RCU for the userspace tracing part
of LTTng (for quick read access to the control variables) to trace
userspace pthread applications. So I've done a quick-and-dirty userspace
RCU implementation.

It works so far, but I have not gone through any formal verification
phase. It seems to work on paper, and the tests are also OK (so far),
but I offer no guarantee for this 300-lines-ish 1-day hack. :-) If you
want to comment on it, it would be welcome. It's a userland-only
library. It's also currently x86-only, but only a few basic definitions
must be adapted in urcu.h to port it.

Here is the link to my git tree :

git://lttng.org/userspace-rcu.git

http://lttng.org/cgi-bin/gitweb.cgi?p=userspace-rcu.git;a=summary

Thanks,

Mathieu

-- 
Mathieu Desnoyers
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68

             reply	other threads:[~2009-02-06  3:05 UTC|newest]

Thread overview: 116+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-02-06  3:05 Mathieu Desnoyers [this message]
2009-02-06  4:58 ` [RFC git tree] Userspace RCU (urcu) for Linux (repost) Mathieu Desnoyers
2009-02-06 13:06   ` Paul E. McKenney
2009-02-06 16:34     ` Paul E. McKenney
2009-02-07 15:10       ` Paul E. McKenney
2009-02-07 22:16         ` Paul E. McKenney
2009-02-08  0:19           ` Mathieu Desnoyers
2009-02-07 23:38         ` Mathieu Desnoyers
2009-02-08  0:44           ` Paul E. McKenney
2009-02-08 21:46             ` Mathieu Desnoyers
2009-02-08 22:36               ` Paul E. McKenney
2009-02-09  0:24                 ` Paul E. McKenney
2009-02-09  0:54                   ` Mathieu Desnoyers
2009-02-09  1:08                     ` [ltt-dev] " Mathieu Desnoyers
2009-02-09  3:47                       ` Paul E. McKenney
2009-02-09  3:42                     ` Paul E. McKenney
2009-02-09  0:40                 ` [ltt-dev] " Mathieu Desnoyers
2009-02-08 22:44       ` Mathieu Desnoyers
2009-02-09  4:11         ` Paul E. McKenney
2009-02-09  4:53           ` Mathieu Desnoyers
2009-02-09  5:17             ` [ltt-dev] " Mathieu Desnoyers
2009-02-09  7:03               ` Mathieu Desnoyers
2009-02-09 15:33                 ` Paul E. McKenney
2009-02-10 19:17                   ` Mathieu Desnoyers
2009-02-10 21:16                     ` Paul E. McKenney
2009-02-10 21:28                       ` Mathieu Desnoyers
2009-02-10 22:21                         ` Paul E. McKenney
2009-02-10 22:58                           ` Paul E. McKenney
2009-02-10 23:01                             ` Paul E. McKenney
2009-02-11  0:57                           ` Mathieu Desnoyers
2009-02-11  5:28                             ` Paul E. McKenney
2009-02-11  6:35                               ` Mathieu Desnoyers
2009-02-11 15:32                                 ` Paul E. McKenney
2009-02-11 18:52                                   ` Mathieu Desnoyers
2009-02-11 20:09                                     ` Paul E. McKenney
2009-02-11 21:42                                       ` Mathieu Desnoyers
2009-02-11 22:08                                         ` Mathieu Desnoyers
     [not found]                                         ` <20090212003549.GU6694@linux.vnet.ibm.com>
2009-02-12  2:33                                           ` Paul E. McKenney
2009-02-12  2:37                                             ` Paul E. McKenney
2009-02-12  4:10                                               ` Mathieu Desnoyers
2009-02-12  5:09                                                 ` Paul E. McKenney
2009-02-12  5:47                                                   ` Mathieu Desnoyers
2009-02-12 16:18                                                     ` Paul E. McKenney
2009-02-12 18:40                                                       ` Mathieu Desnoyers
2009-02-12 20:28                                                         ` Paul E. McKenney
2009-02-12 21:27                                                           ` Mathieu Desnoyers
2009-02-12 23:26                                                             ` Paul E. McKenney
2009-02-13 13:12                                                               ` Mathieu Desnoyers
2009-02-12  4:08                                             ` Mathieu Desnoyers
2009-02-12  5:01                                               ` Paul E. McKenney
2009-02-12  7:05                                                 ` Mathieu Desnoyers
2009-02-12 16:46                                                   ` Paul E. McKenney
2009-02-12 19:29                                                     ` Mathieu Desnoyers
2009-02-12 20:02                                                       ` Paul E. McKenney
2009-02-12 20:09                                                         ` Mathieu Desnoyers
2009-02-12 20:35                                                           ` Paul E. McKenney
2009-02-12 21:15                                                             ` Mathieu Desnoyers
2009-02-12 20:13                                                         ` Linus Torvalds
2009-02-12 20:39                                                           ` Paul E. McKenney
2009-02-12 21:15                                                             ` Linus Torvalds
2009-02-12 21:59                                                               ` Paul E. McKenney
2009-02-13 13:50                                                                 ` Nick Piggin
2009-02-13 14:56                                                                   ` Paul E. McKenney
2009-02-13 15:10                                                                     ` Mathieu Desnoyers
2009-02-13 15:55                                                                       ` Mathieu Desnoyers
2009-02-13 16:18                                                                         ` Linus Torvalds
2009-02-13 17:33                                                                           ` Mathieu Desnoyers
2009-02-13 17:53                                                                             ` Linus Torvalds
2009-02-13 18:09                                                                               ` Linus Torvalds
2009-02-13 18:54                                                                                 ` Mathieu Desnoyers
2009-02-13 19:36                                                                                   ` Paul E. McKenney
2009-02-14  5:07                                                                                     ` Mike Frysinger
2009-02-14  5:20                                                                                       ` Paul E. McKenney
2009-02-14  5:46                                                                                         ` Mike Frysinger
2009-02-14 15:06                                                                                           ` Paul E. McKenney
2009-02-14 17:37                                                                                             ` Mike Frysinger
2009-02-22 14:23                                                                                           ` Pavel Machek
2009-02-22 18:28                                                                                             ` Mike Frysinger
2009-02-14  6:42                                                                                         ` Mathieu Desnoyers
2009-02-14  3:15                                                                                 ` [Uclinux-dist-devel] " Mike Frysinger
2009-02-13 18:40                                                                               ` Mathieu Desnoyers
2009-02-13 16:05                                                                   ` Linus Torvalds
2009-02-14  3:11                                                                     ` [Uclinux-dist-devel] " Mike Frysinger
2009-02-14  4:58                                                           ` Robin Getz
2009-02-12 19:38                                                     ` Mathieu Desnoyers
2009-02-12 20:17                                                       ` Paul E. McKenney
2009-02-12 21:53                                                         ` Mathieu Desnoyers
2009-02-12 23:04                                                           ` Paul E. McKenney
2009-02-13 12:49                                                             ` Mathieu Desnoyers
2009-02-11  5:08                     ` Lai Jiangshan
2009-02-11  8:58                       ` Mathieu Desnoyers
2009-02-09 13:23               ` Paul E. McKenney
2009-02-09 17:28                 ` Mathieu Desnoyers
2009-02-09 17:47                   ` Paul E. McKenney
2009-02-09 18:13                     ` Mathieu Desnoyers
2009-02-09 18:19                       ` Mathieu Desnoyers
2009-02-09 18:37                       ` Paul E. McKenney
2009-02-09 18:49                         ` Paul E. McKenney
2009-02-09 19:05                           ` Mathieu Desnoyers
2009-02-09 19:15                             ` Mathieu Desnoyers
2009-02-09 19:35                               ` Paul E. McKenney
2009-02-09 19:23                             ` Paul E. McKenney
2009-02-09 13:16             ` Paul E. McKenney
2009-02-09 17:19               ` Bert Wesarg
2009-02-09 17:34                 ` Paul E. McKenney
2009-02-09 17:35                   ` Bert Wesarg
2009-02-09 17:40                     ` Paul E. McKenney
2009-02-09 17:42                       ` Mathieu Desnoyers
2009-02-09 18:00                         ` Paul E. McKenney
2009-02-09 17:45                       ` Bert Wesarg
2009-02-09 17:59                         ` Paul E. McKenney
2009-02-07 22:56   ` Kyle Moffett
2009-02-07 23:50     ` Mathieu Desnoyers
2009-02-08  0:13     ` Paul E. McKenney
2009-02-06  8:55 ` [RFC git tree] Userspace RCU (urcu) for Linux Bert Wesarg
2009-02-06 11:36   ` Mathieu Desnoyers

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20090206030543.GB8560@Krystal \
    --to=compudj@krystal.dyndns.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=ltt-dev@vger.kernel.org \
    --cc=paulmck@linux.vnet.ibm.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.