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From: KOSAKI Motohiro <kosaki.motohiro@jp•fujitsu.com>
To: Yinghai Lu <yhlu.kernel@gmail•com>, Ingo Molnar <mingo@elte•hu>,
	LKML <linux-kernel@vger•kernel.org>,
	Andrew Morton <akpm@linux-foundation•org>,
	linux-next <linux-next@vger•kernel.org>
Cc: kosaki.motohiro@jp•fujitsu.com
Subject: [mmotm and linux-next][PATCH] irq: enclose irq_desc_lock_class in CONFIG_LOCKDEP
Date: Tue, 16 Dec 2008 17:08:43 +0900 (JST)	[thread overview]
Message-ID: <20081216170635.DBB8.KOSAKI.MOTOHIRO@jp.fujitsu.com> (raw)



Applied after: linux-next.patch

==
Subject: [mmotm][PATCH] irq: enclose irq_desc_lock_class in CONFIG_LOCKDEP

commit 08678b0841267c1d00d771fe01548d86043d065e introduced
irq_desc_lock_class variable.
But it is used only if CONFIG_LOCKDEP=Y.
otherwise, following warnings happend.

	  CC      kernel/irq/handle.o
	kernel/irq/handle.c:26: warning: 'irq_desc_lock_class' defined but not used


Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp•fujitsu.com>
CC: Yinghai Lu <yhlu.kernel@gmail•com>
CC: Ingo Molnar <mingo@elte•hu>
---
 kernel/irq/handle.c |    2 ++
 1 file changed, 2 insertions(+)

Index: b/kernel/irq/handle.c
===================================================================
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -20,10 +20,12 @@
 
 #include "internals.h"
 
+#ifdef CONFIG_LOCKDEP
 /*
  * lockdep: we want to handle all irq_desc locks as a single lock-class:
  */
 static struct lock_class_key irq_desc_lock_class;
+#endif
 
 /**
  * handle_bad_irq - handle spurious and unhandled irqs

             reply	other threads:[~2008-12-16  8:08 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-12-16  8:08 KOSAKI Motohiro [this message]
2008-12-16  8:34 ` [mmotm and linux-next][PATCH] irq: enclose irq_desc_lock_class in CONFIG_LOCKDEP Andrew Morton
2008-12-16 10:18   ` Ingo Molnar
2008-12-16 10:23     ` Ingo Molnar
2008-12-16 11:15       ` KOSAKI Motohiro
2008-12-16 11:20         ` Ingo Molnar
2008-12-16 11:45           ` KOSAKI Motohiro
2008-12-16 12:18             ` Ingo Molnar
2008-12-16 12:58               ` KOSAKI Motohiro
2008-12-17 10:40                 ` KOSAKI Motohiro
2008-12-18 13:36                   ` Ingo Molnar

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