Re: [patch] warn-on-once.patch
From: Ingo Molnar
Date: Sat Nov 26 2005 - 10:20:39 EST
* Ingo Molnar <mingo@xxxxxxx> wrote:
> > - introduce WARN_ON_ONCE(cond)
>
> replacement patch below - fixed bug found by Thomas Gleixner. (I've
> updated the gtod-B11-cleanup.tar.gz patchqueue with both this fix and
> the x64 fix.)
replacement of the replacement (fix trailing semicolon).
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
include/asm-generic/bug.h | 10 ++++++++++
1 files changed, 10 insertions(+)
Index: linux/include/asm-generic/bug.h
===================================================================
--- linux.orig/include/asm-generic/bug.h
+++ linux/include/asm-generic/bug.h
@@ -39,4 +39,14 @@
#endif
#endif
+#define WARN_ON_ONCE(condition) \
+do { \
+ static int warn_once = 1; \
+ \
+ if (warn_once && (condition)) { \
+ warn_once = 0; \
+ WARN_ON(1); \
+ } \
+} while (0)
+
#endif
-
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