From: Andi Kleen <ak@suse.de>
To: "Christopher Friesen" <cfriesen@nortel.com>
Cc: Ulrich Drepper <drepper@redhat.com>, Ingo Molnar <mingo@elte.hu>,
Thomas Gleixner <tglx@linutronix.de>,
Arjan van de Ven <arjan@infradead.org>,
David Singleton <dsingleton@mvista.com>,
Andrew Morton <akpm@osdl.org>,
linux-kernel@vger.kernel.org
Subject: Re: [patch 0/5] lightweight robust futexes: -V1
Date: Wed, 15 Feb 2006 21:02:11 +0100 [thread overview]
Message-ID: <200602152102.12795.ak@suse.de> (raw)
In-Reply-To: <43F385C1.9020508@nortel.com>
On Wednesday 15 February 2006 20:49, Christopher Friesen wrote:
> The goal is for the kernel to unlock the mutex, but the next task to
> aquire it gets some special notification that the status is unknown. At
> that point the task can either validate/clean up the data and reset the
> mutex to clean (if it can) or it can give up the mutex and pass it on to
> some other task that does know how to validate/clean up.
The "send signal when any mapper dies" proposal would do that. The other process
could catch the signal and do something with it.
-Andi
next prev parent reply other threads:[~2006-02-15 20:02 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-15 15:17 [patch 0/5] lightweight robust futexes: -V1 Ingo Molnar
2006-02-15 15:22 ` Ingo Molnar
2006-02-15 17:35 ` Andi Kleen
2006-02-15 17:50 ` Ulrich Drepper
2006-02-15 18:42 ` Andi Kleen
2006-02-15 19:49 ` Christopher Friesen
2006-02-15 20:02 ` Andi Kleen [this message]
2006-02-15 20:13 ` Antonio Vargas
2006-02-15 20:25 ` Andi Kleen
2006-02-15 20:59 ` Ingo Molnar
2006-02-15 20:43 ` Ingo Molnar
2006-02-15 19:05 ` Daniel Walker
2006-02-15 19:11 ` Arjan van de Ven
2006-02-15 19:13 ` Daniel Walker
2006-02-15 21:31 ` Ingo Molnar
2006-02-16 15:43 ` Daniel Walker
2006-02-15 21:45 ` Andrew Morton
2006-02-15 22:14 ` Ingo Molnar
2006-02-17 21:59 ` Daniel Jacobowitz
2006-02-16 3:57 ` Darren Hart
2006-02-16 14:58 ` Johannes Stezenbach
2006-02-16 17:20 ` Ingo Molnar
2006-02-16 19:04 ` Daniel Walker
2006-02-17 9:09 ` Avi Kivity
2006-02-17 19:55 ` Johannes Stezenbach
2006-02-17 20:02 ` Arjan van de Ven
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