From: Rusty Russell <rusty@rustcorp.com.au>
To: frankeh@watson.ibm.com
Cc: linux-kernel@vger.kernel.org, Martin.Wirth@dlr.de,
pwaechler@loewe-Komp.de, drepper@redhat.com
Subject: Re: [PATCH] Futex Generalization Patch
Date: Thu, 11 Apr 2002 02:37:57 +1000 [thread overview]
Message-ID: <E16vL6l-00083d-00@wagner.rustcorp.com.au> (raw)
In-Reply-To: Your message of "Wed, 10 Apr 2002 10:24:42 -0400." <20020410152354.169FF3FE06@smtp.linux.ibm.com>
In message <20020410152354.169FF3FE06@smtp.linux.ibm.com> you write:
> Enclosed is an "asynchronous" extension to futexes.
Wow... I never thought of that. Cool!
My main concern is the DoS of multiple kmallocs. Alan Cox suggested
tying it to an fd (ie. naturally limited), and I think this might work
(I don't know much about async io). ie. (int)utime is the fd to wake
up, and then it can be used for async io OR a poll/select interface
using existing infrastructure.
Probably it has to be a special fd (/dev/futex?).
Thoughts?
Rusty.
--
Anyone who quotes me in their sig is an idiot. -- Rusty Russell.
next prev parent reply other threads:[~2002-04-10 16:34 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-04-04 7:52 Rusty Russell
2002-04-04 16:28 ` Hubertus Franke
2002-04-06 9:48 ` Rusty Russell
2002-04-10 14:24 ` Hubertus Franke
2002-04-10 16:37 ` Rusty Russell [this message]
2002-04-10 16:37 ` Hubertus Franke
2002-04-10 18:09 Bill Abt
2002-04-10 18:10 ` Hubertus Franke
2002-04-10 19:30 Bill Abt
2002-04-10 18:47 ` Hubertus Franke
2002-04-12 15:36 ` Peter Wächtler
2002-04-12 18:48 ` Hubertus Franke
2002-04-13 13:52 ` Peter Wächtler
2002-04-15 13:28 ` Hubertus Franke
2002-04-10 19:59 Bill Abt
2002-04-10 20:14 ` Hubertus Franke
2002-04-11 13:55 ` Rusty Russell
2002-04-15 14:49 Bill Abt
2002-04-15 16:22 ` Hubertus Franke
2002-04-15 20:57 ` Mark Mielke
2002-04-15 20:46 ` Hubertus Franke
2002-04-16 20:03 ` Peter Wächtler
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