From: Rusty Russell <rusty@rustcorp.com.au>
To: Jamie Lokier <jamie@shareable.org>
Cc: Linus Torvalds <torvalds@osdl.org>
Cc: Hugh Dickins <hugh@veritas.com>, Andrew Morton <akpm@osdl.org>,
Ingo Molnar <mingo@redhat.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Alternate futex non-page-pinning and COW fix
Date: Fri, 05 Sep 2003 13:55:56 +1000 [thread overview]
Message-ID: <20030905052006.72B952C135@lists.samba.org> (raw)
In-Reply-To: Your message of "Thu, 04 Sep 2003 18:16:09 +0100." <20030904171609.GA30394@mail.jlokier.co.uk>
In message <20030904171609.GA30394@mail.jlokier.co.uk> you write:
> What does PROT_SEM mean for Linux, btw?
It's a relic: some archs might need a special flag to ensure
inter-process atomic ops worked as expected. It was never fully
implemented, with the assumption that such archs just won't be able to
use futexes, and if someone really wants to fix it, they will.
Rusty.
--
Anyone who quotes me in their sig is an idiot. -- Rusty Russell.
next prev parent reply other threads:[~2003-09-05 5:20 UTC|newest]
Thread overview: 102+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-08-26 3:12 [PATCH 2/2] Futex non-page-pinning fix Rusty Russell
2003-08-26 4:06 ` Andrew Morton
2003-08-26 5:30 ` Ingo Molnar
2003-08-26 5:50 ` Andrew Morton
2003-08-26 5:58 ` Ingo Molnar
2003-08-26 6:14 ` Andrew Morton
2003-08-26 6:36 ` Ingo Molnar
2003-08-26 7:02 ` Andrew Morton
2003-08-26 7:56 ` Arjan van de Ven
2003-08-26 8:08 ` Muli Ben-Yehuda
2003-08-26 8:11 ` Arjan van de Ven
2003-08-26 8:25 ` Andrew Morton
2003-08-26 9:02 ` Muli Ben-Yehuda
2003-08-26 10:38 ` William Lee Irwin III
2003-08-26 10:44 ` Andrew Morton
2003-08-26 10:45 ` William Lee Irwin III
2003-08-26 17:29 ` Andrew Morton
2003-08-26 19:35 ` William Lee Irwin III
2003-08-27 5:17 ` Rusty Russell
2003-08-27 6:20 ` Andrew Morton
2003-08-28 0:47 ` Rusty Russell
2003-08-28 8:21 ` Andrew Morton
2003-08-29 3:46 ` Rusty Russell
2003-08-29 4:17 ` Andrew Morton
2003-08-30 7:49 ` Rusty Russell
2003-09-01 0:35 ` Jamie Lokier
2003-09-01 4:11 ` Rusty Russell
2003-09-01 20:57 ` Hugh Dickins
2003-09-02 3:12 ` Rusty Russell
2003-09-02 6:51 ` Jamie Lokier
2003-09-02 16:14 ` Hugh Dickins
2003-09-02 19:54 ` Jamie Lokier
2003-09-02 20:15 ` Andrew Morton
2003-09-02 21:20 ` Jamie Lokier
2003-09-03 2:40 ` Rusty Russell
2003-09-03 7:36 ` [PATCH] Alternate futex non-page-pinning and COW fix Jamie Lokier
2003-09-03 11:19 ` Hugh Dickins
2003-09-03 14:38 ` Jamie Lokier
2003-09-03 17:39 ` Jamie Lokier
2003-09-03 17:55 ` Linus Torvalds
2003-09-03 18:06 ` Hugh Dickins
2003-09-03 18:19 ` Linus Torvalds
2003-09-03 18:43 ` Hugh Dickins
2003-09-03 19:05 ` Linus Torvalds
2003-09-03 19:40 ` Hugh Dickins
2003-09-03 20:04 ` Linus Torvalds
2003-09-04 2:43 ` Rusty Russell
2003-09-04 8:28 ` Linus Torvalds
2003-09-04 12:20 ` Hugh Dickins
2003-09-04 15:40 ` Linus Torvalds
2003-09-04 16:55 ` Hugh Dickins
2003-09-04 18:38 ` Jamie Lokier
2003-09-04 18:46 ` Linus Torvalds
2003-09-04 20:04 ` Jamie Lokier
2003-09-04 21:49 ` Linus Torvalds
2003-09-04 22:10 ` Jamie Lokier
2003-09-04 17:16 ` Jamie Lokier
2003-09-04 17:38 ` Linus Torvalds
2003-09-04 18:42 ` Linus Torvalds
2003-09-04 18:42 ` Linus Torvalds
2003-09-05 3:55 ` Rusty Russell [this message]
2003-09-05 17:55 ` Jamie Lokier
2003-09-04 17:26 ` Jamie Lokier
2003-09-04 1:30 ` Rusty Russell
2003-09-04 21:00 ` Jamie Lokier
2003-09-05 5:19 ` Rusty Russell
2003-09-05 20:54 ` Jamie Lokier
2003-09-07 6:45 ` Rusty Russell
2003-09-07 13:20 ` Jamie Lokier
2003-09-08 1:49 ` Rusty Russell
2003-09-08 9:44 ` Jamie Lokier
2003-09-03 14:40 ` [PATCH 2] Little fixes to previous futex patch Jamie Lokier
2003-09-04 16:45 ` Hugh Dickins
2003-09-04 17:59 ` Jamie Lokier
2003-09-04 18:35 ` Hugh Dickins
2003-09-04 20:11 ` Jamie Lokier
2003-09-04 21:36 ` Hugh Dickins
2003-09-04 21:58 ` Jamie Lokier
2003-09-07 7:23 ` Ingo Molnar
2003-09-07 12:27 ` Hugh Dickins
2003-09-07 15:03 ` Jamie Lokier
2003-09-08 1:56 ` Rusty Russell
2003-09-07 13:00 ` Jamie Lokier
2003-09-08 3:32 ` Ingo Molnar
2003-09-08 9:33 ` Jamie Lokier
2003-09-08 9:57 ` Ingo Molnar
2003-09-05 4:56 ` Rusty Russell
2003-09-03 15:34 ` [PATCH] Alternate futex non-page-pinning and COW fix Andrew Morton
2003-09-03 17:16 ` Jamie Lokier
2003-09-04 1:35 ` Rusty Russell
2003-09-04 17:35 ` Jamie Lokier
2003-09-03 0:14 ` [PATCH 2/2] Futex non-page-pinning fix Rusty Russell
2003-09-03 1:16 ` Andrew Morton
2003-09-03 1:54 ` Dave Hansen
2003-09-03 2:54 ` Andrew Morton
2003-09-02 3:23 ` Hugh Dickins
2003-09-02 23:58 ` Rusty Russell
2003-08-27 8:37 ` Hugh Dickins
2003-08-27 8:56 ` William Lee Irwin III
2003-08-27 10:38 ` Andrew Morton
2003-08-27 10:57 ` Hugh Dickins
2003-08-28 8:03 ` Rusty Russell
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