From: Stefan Richter <stefanr@s5r6.in-berlin.de>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: Peter Zijlstra <peterz@infradead.org>,
linux1394-devel@lists.sourceforge.net,
linux-kernel@vger.kernel.org,
Clemens Ladisch <clemens@ladisch.de>
Subject: Re: lockdep false positive? -- firewire-core transaction timer vs. scsi-core host lock
Date: Wed, 18 Aug 2010 15:17:43 +0200 [thread overview]
Message-ID: <4C6BDD77.5040301@s5r6.in-berlin.de> (raw)
In-Reply-To: <4C6AB741.9050804@s5r6.in-berlin.de>
Stefan Richter wrote:
> Johannes Berg wrote:
>> I'm convinced it's a false positive though, question is how to shut it
>> up :-)
>
> Is there anyway to differentiate the lockdep naming of shost->host_lock
> (initialized in scsi_host_alloc) at runtime by means of the
> scsi_host_template instance given to scsi_host_alloc?
So, even though the part of the lockdep report about nesting with a SCSI
host lock was a false positive, it did motivate Clemens' del_timer_sync
-> del_timer replacement, so it was helpful after all. I guess there is
no immediate need anymore to do something about the conflation of
shost->host_lock instances.
--
Stefan Richter
-=====-==-=- =--- =--=-
http://arcgraph.de/sr/
next prev parent reply other threads:[~2010-08-18 13:18 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-16 18:42 Stefan Richter
2010-08-16 21:42 ` Peter Zijlstra
2010-08-16 22:09 ` Johannes Berg
2010-08-16 22:27 ` Johannes Berg
2010-08-17 16:22 ` Stefan Richter
2010-08-18 13:17 ` Stefan Richter [this message]
2010-08-17 14:35 ` Yong Zhang
2010-08-17 16:23 ` Stefan Richter
2010-08-18 7:01 ` Clemens Ladisch
2010-08-18 8:09 ` Stefan Richter
2010-08-18 8:53 ` Clemens Ladisch
2010-08-18 9:08 ` Yong Zhang
2010-08-18 8:59 ` Peter Zijlstra
2010-08-18 9:26 ` Clemens Ladisch
2010-08-18 9:43 ` Peter Zijlstra
2010-08-18 12:50 ` Stefan Richter
2010-08-18 13:05 ` Clemens Ladisch
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