From: Ingo Molnar <mingo@elte.hu>

Introduce a new WARN_ON variant: WARN_ON_SMP(cond).

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 include/asm-generic/bug.h |    6 ++++++
 1 file changed, 6 insertions(+)

diff -puN include/asm-generic/bug.h~pi-futex-introduce-warn_on_smp include/asm-generic/bug.h
--- devel/include/asm-generic/bug.h~pi-futex-introduce-warn_on_smp	2006-06-09 15:18:12.000000000 -0700
+++ devel-akpm/include/asm-generic/bug.h	2006-06-09 15:18:12.000000000 -0700
@@ -51,4 +51,10 @@
 	__ret;						\
 })
 
+#ifdef CONFIG_SMP
+# define WARN_ON_SMP(x)			WARN_ON(x)
+#else
+# define WARN_ON_SMP(x)			do { } while (0)
+#endif
+
 #endif
_