linux-kernel - Re: lockdep false positive? -- firewire-core transaction timer vs. scsi-core host lock

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Message-ID: <4C6B9F84.9010000@ladisch.de>
Date:	Wed, 18 Aug 2010 10:53:24 +0200
From:	Clemens Ladisch <clemens@...isch.de>
To:	Stefan Richter <stefanr@...6.in-berlin.de>
CC:	Yong Zhang <yong.zhang0@...il.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Johannes Berg <johannes@...solutions.net>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux1394-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org
Subject: Re: lockdep false positive? -- firewire-core transaction timer vs.
 scsi-core host lock

Stefan Richter wrote:
> Clemens Ladisch wrote:
> > Because we might be in interrupt context, replace del_timer_sync() with
> > del_timer().
> 
> Again, is the term "interrupt contexts" meant to include softIRQ contexts?

Yes:
http://www.kernel.org/pub/linux/kernel/people/rusty/kernel-locking/g618.html#GLOSS-INTERRUPTCONTEXT
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