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Message-ID: <20070322061119.GA1466@ff.dom.local> Date: Thu, 22 Mar 2007 07:11:19 +0100 From: Jarek Poplawski <jarkao2@...pl> To: Oleg Nesterov <oleg@...sign.ru> Cc: Neil Brown <neilb@...e.de>, Andrew Morton <akpm@...ux-foundation.org>, Peter Zijlstra <a.p.zijlstra@...llo.nl>, Folkert van Heusden <folkert@...heusden.com>, linux-kernel@...r.kernel.org, "J\. Bruce Fields" <bfields@...ldses.org>, Ingo Molnar <mingo@...e.hu> Subject: [PATCH] lockdep: lockdep_depth vs. debug_locks Re: [2.6.20] BUG: workqueue leaked lock Here is some joke: [PATCH] lockdep: lockdep_depth vs. debug_locks lockdep really shouldn't be used when debug_locks == 0! Reported-by: Folkert van Heusden <folkert@...heusden.com> Inspired-by: Oleg Nesterov <oleg@...sign.ru> Signed-off-by: Jarek Poplawski <jarkao2@...pl> --- diff -Nurp 2.6.21-rc4-git4-/include/linux/lockdep.h 2.6.21-rc4-git4/include/linux/lockdep.h --- 2.6.21-rc4-git4-/include/linux/lockdep.h 2007-03-20 20:24:17.000000000 +0100 +++ 2.6.21-rc4-git4/include/linux/lockdep.h 2007-03-21 22:32:41.000000000 +0100 @@ -245,7 +245,7 @@ extern void lock_release(struct lockdep_ # define INIT_LOCKDEP .lockdep_recursion = 0, -#define lockdep_depth(tsk) ((tsk)->lockdep_depth) +#define lockdep_depth(tsk) (debug_locks ? (tsk)->lockdep_depth : 0) #else /* !LOCKDEP */ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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