Messages in this thread | | | From | Sven Eckelmann <> | Subject | Re: Using nested locking for spin_lock_bh | Date | Thu, 29 Mar 2012 12:41 +0200 |
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On Thursday, March 29, 2012 11:11:37 AM Yong Zhang wrote: > On Wed, Mar 28, 2012 at 06:36:39PM +0200, Sven Eckelmann wrote: > > Hi, > > > > I started to run some experimental batman-adv code inside some virtual > > machines with different debugging functions enabled. One of them was > > lockdep. There we noticed a false positive for a lock class that is > > actually used in two different data structures. > > Hmm, I think you can initialize the lock class in the two differnent data > structures with differnt lock_class_key.
Thanks. I think I understand the problem now a little bit better and could resolve it using lockdep_set_class.
Kind regards, Sven[unhandled content-type:application/pgp-signature] | |