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From: Greg KH <gregkh@suse.de>
To: Stefan Richter <stefanr@s5r6.in-berlin.de>
Cc: Andrew Morton <akpm@osdl.org>, Miles Lane <miles.lane@gmail.com>,
	linux1394-devel@lists.sourceforge.net,
	LKML <linux-kernel@vger.kernel.org>,
	Herbert Xu <herbert@gondor.apana.org.au>,
	Ben Collins <bcollins@ubuntu.com>
Subject: Re: 2.6.18-rc5-mm1 + all hotfixes -- INFO: possible recursive	locking detected
Date: Wed, 6 Sep 2006 15:35:20 -0700	[thread overview]
Message-ID: <20060906223520.GA9658@suse.de> (raw)
In-Reply-To: <44FE751E.4030505@s5r6.in-berlin.de>

On Wed, Sep 06, 2006 at 09:13:34AM +0200, Stefan Richter wrote:
> Do class->subsys.rwsem, bus->subsys.rwsem, and bus_type.subsys.rwsem
> point to identical or different lock instances?

class->subsys.rwsem is different from the others.  bus->subsys.rwsem and
bus_type.subsys.rwsem are probably the same thing (depending on what
that bus-> pointer is to.)

> Either way, could it hurt to convert nodemgr to uniformly use
> ieee1394_bus_type.subsys.rwsem all over the place?

Probably a good idea.

thanks,

greg k-h

  parent reply	other threads:[~2006-09-06 22:35 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-09-05 17:37 2.6.18-rc5-mm1 + all hotfixes -- INFO: possible recursive locking detected Miles Lane
2006-09-05 18:13 ` Andrew Morton
2006-09-05 18:16   ` Miles Lane
2006-09-05 19:03     ` Stefan Richter
2006-09-05 19:19       ` Miles Lane
2006-09-05 19:51         ` Stefan Richter
2006-09-05 19:23   ` Stefan Richter
2006-09-05 21:07     ` Arjan van de Ven
2006-09-05 22:27       ` Stefan Richter
2006-09-06  0:10         ` Adrian Bunk
2006-09-06  7:13     ` Stefan Richter
2006-09-06 16:50       ` Stefan Richter
2006-09-06 17:04         ` [RFT PATCH 1/2] ieee1394: nodemgr: fix rwsem recursion Stefan Richter
2006-09-06 17:06           ` [RFT PATCH 2/2] ieee1394: nodemgr: grab class.subsys.rwsem in nodemgr_resume_ne Stefan Richter
2006-09-07 22:45         ` 2.6.18-rc5-mm1 + all hotfixes -- INFO: possible recursive locking detected Miles Lane
2006-09-07 23:23           ` Stefan Richter
2006-09-06 22:35       ` Greg KH [this message]
2006-09-05 19:49   ` Miles Lane
2006-09-05 20:19     ` Stefan Richter
2006-09-05 20:26       ` Stefan Richter
2006-09-05 20:33       ` Andrew Morton
2006-09-06  6:39 ` Arjan van de Ven

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