change system file

hc

2024-10-09 244b2c5ca8b14627e4a17755e5922221e121c771

 kernel/include/linux/delay.h
..
..
@@ -84,10 +84,4 @@
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 		msleep(DIV_ROUND_UP(usecs, 1000));
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 }
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-#ifdef CONFIG_PREEMPT_RT
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-extern void cpu_chill(void);
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-#else
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-# define cpu_chill()	cpu_relax()
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-#endif
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-
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 #endif /* defined(_LINUX_DELAY_H) */