From: Arjan van de Ven <arjan@linux.intel.com>
To: Pavel Emelianov <xemul@sw.ru>
Cc: Ingo Molnar <mingo@redhat.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [RFC] Lockdep VS rw-semaphores strangeness
Date: Fri, 06 Apr 2007 07:04:45 -0700 [thread overview]
Message-ID: <4616537D.20702@linux.intel.com> (raw)
In-Reply-To: <46161D84.9030706@sw.ru>
Pavel Emelianov wrote:
> I've already caught a fake warning when trying to write-lock
> an mm->mmap_sem with another mm's mmap_sem write-locked. With the
> patch attached everything works, fine.
>
btw why is that a fake warning? what is your guarantee that you never
ever do it in the opposite direction from the other thread as well?
next prev parent reply other threads:[~2007-04-06 14:05 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-06 10:14 [RFC] Lockdep VS rw-semaphores strangeness Pavel Emelianov
2007-04-06 14:04 ` Arjan van de Ven [this message]
2007-04-06 14:19 ` Pavel Emelianov
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