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authorIngo Molnar <mingo@elte.hu>2008-09-23 23:26:42 +0200
committerIngo Molnar <mingo@elte.hu>2008-09-23 23:26:42 +0200
commit07bbc16a8676b06950a21f35b59f69b2fe763bbd (patch)
treef87fbfea747e9d92591c8d0a54db7c487e3c3d78 /include/asm-generic
parent6a9e91846bf52cc70a0417de19fdfac224c435c4 (diff)
parentf8e256c687eb53850685747757c8d75e58756e15 (diff)
Merge branch 'timers/urgent' into x86/xen
Conflicts: arch/x86/kernel/process_32.c arch/x86/kernel/process_64.c Manual merge: arch/x86/kernel/smpboot.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-generic')
-rw-r--r--include/asm-generic/bug.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h
index a3f738cffdb..edc6ba82e09 100644
--- a/include/asm-generic/bug.h
+++ b/include/asm-generic/bug.h
@@ -97,6 +97,16 @@ extern void warn_slowpath(const char *file, const int line,
unlikely(__ret_warn_once); \
})
+#define WARN_ONCE(condition, format...) ({ \
+ static int __warned; \
+ int __ret_warn_once = !!(condition); \
+ \
+ if (unlikely(__ret_warn_once)) \
+ if (WARN(!__warned, format)) \
+ __warned = 1; \
+ unlikely(__ret_warn_once); \
+})
+
#define WARN_ON_RATELIMIT(condition, state) \
WARN_ON((condition) && __ratelimit(state))