From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: Jan Kiszka <jan.kiszka@domain.hid>
Cc: xenomai-core <xenomai@xenomai.org>
Subject: Re: [Xenomai-core] [RFC][PATCH 2/3] Switch to handle-based fast mutex owners
Date: Fri, 29 Aug 2008 14:19:55 +0200 [thread overview]
Message-ID: <48B7E96B.1080903@domain.hid> (raw)
In-Reply-To: <48B7D180.3070709@domain.hid>
Jan Kiszka wrote:
> Probably. But it will definitely need full fast locking support inside
> xnsynch, which is basically about defining and maintaining a generic
> user-shared lock word from within xnsynch services that has at least a
> 'claimed' and a 'assignment pending' bit. Looks like we will not run out
> of work soon... ;)
The way xnsynch_sleep_on checks the owner field and retries for the
implementation of the lock stealing already furiously look like a mutex
compare and exchange...
--
Gilles.
next prev parent reply other threads:[~2008-08-29 12:19 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-27 13:39 [Xenomai-core] [RFC][PATCH 0/3] Handle-based fast mutex owner tracking Jan Kiszka
2008-08-27 13:42 ` [Xenomai-core] [RFC][PATCH 1/3] Always register threads by their base Jan Kiszka
2008-08-27 14:06 ` [Xenomai-core] [RFC][PATCH 2/3] Switch to handle-based fast mutex owners Jan Kiszka
2008-08-27 14:14 ` Gilles Chanteperdrix
2008-08-27 14:38 ` Jan Kiszka
2008-08-27 14:44 ` Gilles Chanteperdrix
2008-08-27 14:49 ` Jan Kiszka
2008-08-27 14:57 ` Gilles Chanteperdrix
2008-08-27 23:49 ` Gilles Chanteperdrix
2008-08-27 14:36 ` Gilles Chanteperdrix
2008-08-27 14:45 ` Jan Kiszka
2008-08-27 14:47 ` Gilles Chanteperdrix
2008-08-27 14:51 ` Jan Kiszka
2008-08-27 14:55 ` Gilles Chanteperdrix
2008-08-27 15:00 ` Jan Kiszka
2008-08-27 15:04 ` Gilles Chanteperdrix
2008-08-27 15:10 ` Jan Kiszka
2008-08-27 15:13 ` Gilles Chanteperdrix
2008-08-27 15:15 ` Gilles Chanteperdrix
2008-08-27 15:18 ` Jan Kiszka
2008-08-27 15:29 ` Gilles Chanteperdrix
2008-08-27 15:34 ` Jan Kiszka
2008-08-27 15:36 ` Gilles Chanteperdrix
2008-08-27 15:37 ` Jan Kiszka
2008-08-27 23:44 ` Gilles Chanteperdrix
2008-08-27 14:48 ` Gilles Chanteperdrix
2008-08-27 14:50 ` Gilles Chanteperdrix
2008-08-27 15:20 ` Jan Kiszka
2008-08-27 15:28 ` Gilles Chanteperdrix
2008-08-27 15:43 ` Jan Kiszka
2008-08-27 15:46 ` Gilles Chanteperdrix
2008-08-27 16:08 ` Jan Kiszka
2008-08-27 16:13 ` Gilles Chanteperdrix
2008-08-27 18:15 ` Jan Kiszka
2008-08-27 19:02 ` Gilles Chanteperdrix
2008-08-27 19:04 ` Gilles Chanteperdrix
2008-08-27 20:35 ` Jan Kiszka
2008-08-27 21:26 ` Gilles Chanteperdrix
2008-08-27 21:46 ` Jan Kiszka
2008-08-27 21:55 ` Gilles Chanteperdrix
2008-08-27 20:33 ` Jan Kiszka
2008-08-27 22:45 ` Gilles Chanteperdrix
2008-08-28 10:01 ` Philippe Gerum
2008-08-28 10:37 ` Jan Kiszka
2008-08-28 10:52 ` Philippe Gerum
2008-08-28 12:21 ` Gilles Chanteperdrix
2008-08-29 6:41 ` Jan Kiszka
2008-08-29 7:00 ` Gilles Chanteperdrix
2008-08-29 7:22 ` Jan Kiszka
2008-08-29 7:29 ` Gilles Chanteperdrix
2008-08-29 9:36 ` Jan Kiszka
2008-08-29 9:41 ` Gilles Chanteperdrix
2008-08-29 10:37 ` Jan Kiszka
2008-08-29 12:19 ` Gilles Chanteperdrix [this message]
2008-08-29 10:39 ` Philippe Gerum
2008-08-29 10:46 ` Jan Kiszka
2008-08-29 12:30 ` Philippe Gerum
2008-08-29 12:40 ` Jan Kiszka
2008-08-29 13:10 ` Philippe Gerum
2008-08-29 13:25 ` Jan Kiszka
2008-08-27 23:05 ` Gilles Chanteperdrix
2008-08-28 7:29 ` Jan Kiszka
2008-08-28 7:38 ` Gilles Chanteperdrix
2008-08-27 23:14 ` Gilles Chanteperdrix
2008-08-28 7:30 ` Jan Kiszka
2008-08-28 8:20 ` Gilles Chanteperdrix
2008-08-28 9:21 ` Jan Kiszka
2008-08-27 14:08 ` [Xenomai-core] [RFC][PATCH 3/3] Remove xnarch_atomic_intptr wrappers Jan Kiszka
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=48B7E96B.1080903@domain.hid \
--to=gilles.chanteperdrix@xenomai.org \
--cc=jan.kiszka@domain.hid \
--cc=xenomai@xenomai.org \
/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.