linux-kernel - [PATCH -next] bug.h: add empty warn_on_slowpath() for CONFIG

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Date:	Tue, 1 Jul 2008 10:33:39 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	lkml <linux-kernel@...r.kernel.org>
Cc:	akpm <akpm@...ux-foundation.org>, andi@...stfloor.org
Subject: [PATCH -next] bug.h: add empty warn_on_slowpath() for CONFIG_BUG=n

From: Randy Dunlap <randy.dunlap@...cle.com>

Add an empty function for warn_on_slowpath() when CONFIG_BUG=n so that
this build error does not happen:

linux-next-20080701/drivers/acpi/utilities/utmisc.c: In function 'acpi_ut_error':
linux-next-20080701/drivers/acpi/utilities/utmisc.c:1028: error: implicit declaration of function 'warn_on_slowpath'

Signed-off-by: Randy Dunlap <randy.dunlap@...cle.com>
---
 include/asm-generic/bug.h |    5 +++++
 1 file changed, 5 insertions(+)

--- linux-next-20080701.orig/include/asm-generic/bug.h
+++ linux-next-20080701/include/asm-generic/bug.h
@@ -81,4 +81,9 @@ extern void warn_on_slowpath(const char 
 # define WARN_ON_SMP(x)			do { } while (0)
 #endif
 
+#ifndef __ASSEMBLY__
+static inline void warn_on_slowpath(const char *file, const int line)
+{ }
+#endif
+
 #endif


---
~Randy
Linux Plumbers Conference, 17-19 September 2008, Portland, Oregon USA
http://linuxplumbersconf.org/
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