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Message-ID: <20061013061234.GA15305@elte.hu>
Date: Fri, 13 Oct 2006 08:12:34 +0200
From: Ingo Molnar <mingo@...e.hu>
To: Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>,
Jiri Kosina <jikos@...os.cz>,
Alessandro Suardi <alessandro.suardi@...il.com>,
Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: 2.6.18-git21, possible recursive locking in kseriod ends up in DWARF2 unwinder stuck
* Dmitry Torokhov <dmitry.torokhov@...il.com> wrote:
> >#define lockdep_set_subclass(lock, subclass) \
> > ({ static struct lock_key_class __key; \
> > lockdep_init_map(&(lock)->dep_map, concat(lock, subclass), \
> > &__key, subclass); })
>
> That leaves unneeded __key (another one was already created by
> mutex_init...) but it tucked away nicely in the define so it is fine
> by me.
>
> Ingo, do you want to send these changes on or you want me to push them
> through my tree?
could you send that commit to Andrew? It looks good to me, and the
unavailability of the lockdep_set_subclass() API upstream is hindering
Jiri now.
Ingo
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