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Diffstat (limited to 'include/linux/once_lite.h')
-rw-r--r--include/linux/once_lite.h8
1 files changed, 5 insertions, 3 deletions
diff --git a/include/linux/once_lite.h b/include/linux/once_lite.h
index 236592c4eeb1..5e2b67039aaf 100644
--- a/include/linux/once_lite.h
+++ b/include/linux/once_lite.h
@@ -10,19 +10,21 @@
#define DO_ONCE_LITE(func, ...) \
DO_ONCE_LITE_IF(true, func, ##__VA_ARGS__)
-#define __ONCE_LITE_IF(condition) \
+#define __ONCE_LITE() \
({ \
static bool __section(".data..once") __already_done; \
- bool __ret_cond = !!(condition); \
bool __ret_once = false; \
\
- if (unlikely(__ret_cond) && unlikely(!__already_done)) {\
+ if (unlikely(!__already_done)) { \
__already_done = true; \
__ret_once = true; \
} \
unlikely(__ret_once); \
})
+#define __ONCE_LITE_IF(condition) \
+ (unlikely(condition) && __ONCE_LITE())
+
#define DO_ONCE_LITE_IF(condition, func, ...) \
({ \
bool __ret_do_once = !!(condition); \