From: Oliver Neukum <oliver@neukum.org>
To: Liu Tao <liutao@safe-mail.net>
Cc: lkml <linux-kernel@vger.kernel.org>
Subject: Re: [patch] Add a writer prior lock methord for rwlock
Date: Wed, 4 Aug 2004 11:45:06 +0200 [thread overview]
Message-ID: <200408041145.07452.oliver@neukum.org> (raw)
In-Reply-To: <4110A7AF.2060903@safe-mail.net>
Am Mittwoch, 4. August 2004 11:09 schrieb Liu Tao:
> The patch adds the write_forcelock() methord, which has higher priority than
> read_lock() and write_lock(). The original read_lock() and write_lock()
> is not
> touched, and the unlock methord is still write_unlock();
It seems to me that with this a recursive read_lock() with
a read lock already held may deadlock.
Regards
Oliver
next prev parent reply other threads:[~2004-08-04 9:44 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-04 9:09 Liu Tao
2004-08-04 9:16 ` Arjan van de Ven
2004-08-04 10:29 ` Liu Tao
2004-08-04 10:33 ` William Lee Irwin III
2004-08-04 11:30 ` Liu Tao
2004-08-04 12:14 ` Rik van Riel
2004-08-04 9:45 ` Oliver Neukum [this message]
2004-08-04 10:30 ` Liu Tao
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