From 3a6a62f96f168d192fb0cc9c0b5ee2584740b32d Mon Sep 17 00:00:00 2001
From: Olof Johansson <olof@lixom.net>
Date: Wed, 30 Jan 2008 13:32:50 +0100
Subject: [PATCH] debug: introduce __WARN()
Introduce __WARN() in the generic case, so the generic WARN_ON()
can use arch-specific code for when the condition is true.
Signed-off-by: Olof Johansson <olof@lixom.net>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
include/asm-generic/bug.h | 17 +++++++++++------
1 file changed, 11 insertions(+), 6 deletions(-)
diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h
index d56fedbb457ab..1a0e1a7684bd1 100644
--- a/include/asm-generic/bug.h
+++ b/include/asm-generic/bug.h
@@ -31,14 +31,19 @@ struct bug_entry {
#define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while(0)
#endif
-#ifndef HAVE_ARCH_WARN_ON
+#ifndef __WARN
+#define __WARN() do { \
+ printk("WARNING: at %s:%d %s()\n", __FILE__, \
+ __LINE__, __FUNCTION__); \
+ dump_stack(); \
+} while (0)
+#endif
+
+#ifndef WARN_ON
#define WARN_ON(condition) ({ \
int __ret_warn_on = !!(condition); \
- if (unlikely(__ret_warn_on)) { \
- printk("WARNING: at %s:%d %s()\n", __FILE__, \
- __LINE__, __FUNCTION__); \
- dump_stack(); \
- } \
+ if (unlikely(__ret_warn_on)) \
+ __WARN(); \
unlikely(__ret_warn_on); \
})
#endif
--
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